Use the new {methoddesc} and {memberdesc} environments as appropriate.
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@ -37,6 +37,7 @@ initialized.
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One data element is defined at the module level:
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One data element is defined at the module level:
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\begin{datadesc}{AS_IS}
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\begin{datadesc}{AS_IS}
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Value which can be used in the font specification passed to the
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Value which can be used in the font specification passed to the
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\code{push_font()} method described below, or as the new value to any
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\code{push_font()} method described below, or as the new value to any
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@ -47,33 +48,30 @@ be called without having to track whether the property was changed.
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The following attributes are defined for formatter instance objects:
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The following attributes are defined for formatter instance objects:
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\setindexsubitem{(formatter attribute)}
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\begin{datadesc}{writer}
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\begin{memberdesc}[formatter]{writer}
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The writer instance with which the formatter interacts.
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The writer instance with which the formatter interacts.
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\end{datadesc}
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\end{memberdesc}
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\setindexsubitem{(formatter method)}
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\begin{methoddesc}[formatter]{end_paragraph}{blanklines}
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\begin{funcdesc}{end_paragraph}{blanklines}
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Close any open paragraphs and insert at least \var{blanklines}
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Close any open paragraphs and insert at least \var{blanklines}
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before the next paragraph.
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before the next paragraph.
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\end{funcdesc}
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\end{methoddesc}
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\begin{funcdesc}{add_line_break}{}
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\begin{methoddesc}[formatter]{add_line_break}{}
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Add a hard line break if one does not already exist. This does not
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Add a hard line break if one does not already exist. This does not
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break the logical paragraph.
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break the logical paragraph.
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\end{funcdesc}
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\end{methoddesc}
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\begin{funcdesc}{add_hor_rule}{*args, **kw}
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\begin{methoddesc}[formatter]{add_hor_rule}{*args, **kw}
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Insert a horizontal rule in the output. A hard break is inserted if
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Insert a horizontal rule in the output. A hard break is inserted if
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there is data in the current paragraph, but the logical paragraph is
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there is data in the current paragraph, but the logical paragraph is
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not broken. The arguments and keywords are passed on to the writer's
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not broken. The arguments and keywords are passed on to the writer's
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\method{send_line_break()} method.
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\method{send_line_break()} method.
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\end{funcdesc}
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\end{methoddesc}
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\begin{funcdesc}{add_flowing_data}{data}
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\begin{methoddesc}[formatter]{add_flowing_data}{data}
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Provide data which should be formatted with collapsed whitespaces.
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Provide data which should be formatted with collapsed whitespaces.
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Whitespace from preceeding and successive calls to
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Whitespace from preceeding and successive calls to
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\method{add_flowing_data()} is considered as well when the whitespace
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\method{add_flowing_data()} is considered as well when the whitespace
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@ -81,15 +79,15 @@ collapse is performed. The data which is passed to this method is
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expected to be word-wrapped by the output device. Note that any
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expected to be word-wrapped by the output device. Note that any
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word-wrapping still must be performed by the writer object due to the
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word-wrapping still must be performed by the writer object due to the
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need to rely on device and font information.
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need to rely on device and font information.
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\end{funcdesc}
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\end{methoddesc}
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\begin{funcdesc}{add_literal_data}{data}
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\begin{methoddesc}[formatter]{add_literal_data}{data}
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Provide data which should be passed to the writer unchanged.
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Provide data which should be passed to the writer unchanged.
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Whitespace, including newline and tab characters, are considered legal
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Whitespace, including newline and tab characters, are considered legal
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in the value of \var{data}.
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in the value of \var{data}.
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\end{funcdesc}
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\end{methoddesc}
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\begin{funcdesc}{add_label_data}{format, counter}
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\begin{methoddesc}[formatter]{add_label_data}{format, counter}
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Insert a label which should be placed to the left of the current left
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Insert a label which should be placed to the left of the current left
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margin. This should be used for constructing bulleted or numbered
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margin. This should be used for constructing bulleted or numbered
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lists. If the \var{format} value is a string, it is interpreted as a
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lists. If the \var{format} value is a string, it is interpreted as a
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@ -111,74 +109,74 @@ lower case, respectively, and \character{I} and \character{i}
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represent the counter value in Roman numerals, in upper and lower
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represent the counter value in Roman numerals, in upper and lower
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case. Note that the alphabetic and roman transforms require that the
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case. Note that the alphabetic and roman transforms require that the
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counter value be greater than zero.
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counter value be greater than zero.
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\end{funcdesc}
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\end{methoddesc}
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\begin{funcdesc}{flush_softspace}{}
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\begin{methoddesc}[formatter]{flush_softspace}{}
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Send any pending whitespace buffered from a previous call to
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Send any pending whitespace buffered from a previous call to
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\method{add_flowing_data()} to the associated writer object. This
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\method{add_flowing_data()} to the associated writer object. This
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should be called before any direct manipulation of the writer object.
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should be called before any direct manipulation of the writer object.
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\end{funcdesc}
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\end{methoddesc}
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\begin{funcdesc}{push_alignment}{align}
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\begin{methoddesc}[formatter]{push_alignment}{align}
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Push a new alignment setting onto the alignment stack. This may be
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Push a new alignment setting onto the alignment stack. This may be
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\constant{AS_IS} if no change is desired. If the alignment value is
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\constant{AS_IS} if no change is desired. If the alignment value is
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changed from the previous setting, the writer's \method{new_alignment()}
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changed from the previous setting, the writer's \method{new_alignment()}
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method is called with the \var{align} value.
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method is called with the \var{align} value.
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\end{funcdesc}
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\end{methoddesc}
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\begin{funcdesc}{pop_alignment}{}
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\begin{methoddesc}[formatter]{pop_alignment}{}
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Restore the previous alignment.
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Restore the previous alignment.
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\end{funcdesc}
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\end{methoddesc}
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\begin{funcdesc}{push_font}{\code{(}size, italic, bold, teletype\code{)}}
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\begin{methoddesc}[formatter]{push_font}{\code{(}size, italic, bold, teletype\code{)}}
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Change some or all font properties of the writer object. Properties
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Change some or all font properties of the writer object. Properties
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which are not set to \constant{AS_IS} are set to the values passed in
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which are not set to \constant{AS_IS} are set to the values passed in
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while others are maintained at their current settings. The writer's
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while others are maintained at their current settings. The writer's
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\method{new_font()} method is called with the fully resolved font
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\method{new_font()} method is called with the fully resolved font
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specification.
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specification.
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\end{funcdesc}
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\end{methoddesc}
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\begin{funcdesc}{pop_font}{}
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\begin{methoddesc}[formatter]{pop_font}{}
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Restore the previous font.
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Restore the previous font.
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\end{funcdesc}
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\end{methoddesc}
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\begin{funcdesc}{push_margin}{margin}
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\begin{methoddesc}[formatter]{push_margin}{margin}
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Increase the number of left margin indentations by one, associating
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Increase the number of left margin indentations by one, associating
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the logical tag \var{margin} with the new indentation. The initial
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the logical tag \var{margin} with the new indentation. The initial
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margin level is \code{0}. Changed values of the logical tag must be
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margin level is \code{0}. Changed values of the logical tag must be
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true values; false values other than \constant{AS_IS} are not
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true values; false values other than \constant{AS_IS} are not
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sufficient to change the margin.
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sufficient to change the margin.
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\end{funcdesc}
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\end{methoddesc}
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\begin{funcdesc}{pop_margin}{}
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\begin{methoddesc}[formatter]{pop_margin}{}
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Restore the previous margin.
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Restore the previous margin.
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\end{funcdesc}
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\end{methoddesc}
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\begin{funcdesc}{push_style}{*styles}
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\begin{methoddesc}[formatter]{push_style}{*styles}
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Push any number of arbitrary style specifications. All styles are
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Push any number of arbitrary style specifications. All styles are
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pushed onto the styles stack in order. A tuple representing the
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pushed onto the styles stack in order. A tuple representing the
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entire stack, including \constant{AS_IS} values, is passed to the
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entire stack, including \constant{AS_IS} values, is passed to the
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writer's \method{new_styles()} method.
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writer's \method{new_styles()} method.
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\end{funcdesc}
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\end{methoddesc}
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\begin{funcdesc}{pop_style}{\optional{n\code{ = 1}}}
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\begin{methoddesc}[formatter]{pop_style}{\optional{n\code{ = 1}}}
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Pop the last \var{n} style specifications passed to
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Pop the last \var{n} style specifications passed to
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\method{push_style()}. A tuple representing the revised stack,
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\method{push_style()}. A tuple representing the revised stack,
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including \constant{AS_IS} values, is passed to the writer's
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including \constant{AS_IS} values, is passed to the writer's
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\method{new_styles()} method.
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\method{new_styles()} method.
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\end{funcdesc}
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\end{methoddesc}
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\begin{funcdesc}{set_spacing}{spacing}
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\begin{methoddesc}[formatter]{set_spacing}{spacing}
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Set the spacing style for the writer.
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Set the spacing style for the writer.
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\end{funcdesc}
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\end{methoddesc}
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\begin{funcdesc}{assert_line_data}{\optional{flag\code{ = 1}}}
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\begin{methoddesc}[formatter]{assert_line_data}{\optional{flag\code{ = 1}}}
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Inform the formatter that data has been added to the current paragraph
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Inform the formatter that data has been added to the current paragraph
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out-of-band. This should be used when the writer has been manipulated
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out-of-band. This should be used when the writer has been manipulated
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directly. The optional \var{flag} argument can be set to false if
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directly. The optional \var{flag} argument can be set to false if
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the writer manipulations produced a hard line break at the end of the
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the writer manipulations produced a hard line break at the end of the
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output.
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output.
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\end{funcdesc}
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\end{methoddesc}
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\subsection{Formatter Implementations}
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\subsection{Formatter Implementations}
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@ -213,21 +211,20 @@ Note that while most applications can use the
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\class{AbstractFormatter} class as a formatter, the writer must
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\class{AbstractFormatter} class as a formatter, the writer must
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typically be provided by the application.
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typically be provided by the application.
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\setindexsubitem{(writer method)}
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\begin{funcdesc}{flush}{}
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\begin{methoddesc}[writer]{flush}{}
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Flush any buffered output or device control events.
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Flush any buffered output or device control events.
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\end{funcdesc}
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\end{methoddesc}
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\begin{funcdesc}{new_alignment}{align}
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\begin{methoddesc}[writer]{new_alignment}{align}
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Set the alignment style. The \var{align} value can be any object,
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Set the alignment style. The \var{align} value can be any object,
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but by convention is a string or \code{None}, where \code{None}
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but by convention is a string or \code{None}, where \code{None}
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indicates that the writer's ``preferred'' alignment should be used.
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indicates that the writer's ``preferred'' alignment should be used.
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Conventional \var{align} values are \code{'left'}, \code{'center'},
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Conventional \var{align} values are \code{'left'}, \code{'center'},
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\code{'right'}, and \code{'justify'}.
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\code{'right'}, and \code{'justify'}.
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\end{funcdesc}
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\end{methoddesc}
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\begin{funcdesc}{new_font}{font}
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\begin{methoddesc}[writer]{new_font}{font}
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Set the font style. The value of \var{font} will be \code{None},
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Set the font style. The value of \var{font} will be \code{None},
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indicating that the device's default font should be used, or a tuple
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indicating that the device's default font should be used, or a tuple
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of the form \code{(}\var{size}, \var{italic}, \var{bold},
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of the form \code{(}\var{size}, \var{italic}, \var{bold},
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@ -236,67 +233,67 @@ font that should be used; specific strings and their interpretation
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must be defined by the application. The \var{italic}, \var{bold}, and
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must be defined by the application. The \var{italic}, \var{bold}, and
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\var{teletype} values are boolean indicators specifying which of those
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\var{teletype} values are boolean indicators specifying which of those
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font attributes should be used.
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font attributes should be used.
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\end{funcdesc}
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\end{methoddesc}
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\begin{funcdesc}{new_margin}{margin, level}
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\begin{methoddesc}[writer]{new_margin}{margin, level}
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Set the margin level to the integer \var{level} and the logical tag
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Set the margin level to the integer \var{level} and the logical tag
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to \var{margin}. Interpretation of the logical tag is at the
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to \var{margin}. Interpretation of the logical tag is at the
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writer's discretion; the only restriction on the value of the logical
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writer's discretion; the only restriction on the value of the logical
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tag is that it not be a false value for non-zero values of
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tag is that it not be a false value for non-zero values of
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\var{level}.
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\var{level}.
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\end{funcdesc}
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\end{methoddesc}
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\begin{funcdesc}{new_spacing}{spacing}
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\begin{methoddesc}[writer]{new_spacing}{spacing}
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Set the spacing style to \var{spacing}.
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Set the spacing style to \var{spacing}.
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\end{funcdesc}
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\end{methoddesc}
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\begin{funcdesc}{new_styles}{styles}
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\begin{methoddesc}[writer]{new_styles}{styles}
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Set additional styles. The \var{styles} value is a tuple of
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Set additional styles. The \var{styles} value is a tuple of
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arbitrary values; the value \constant{AS_IS} should be ignored. The
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arbitrary values; the value \constant{AS_IS} should be ignored. The
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\var{styles} tuple may be interpreted either as a set or as a stack
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\var{styles} tuple may be interpreted either as a set or as a stack
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depending on the requirements of the application and writer
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depending on the requirements of the application and writer
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implementation.
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implementation.
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\end{funcdesc}
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\end{methoddesc}
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\begin{funcdesc}{send_line_break}{}
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\begin{methoddesc}[writer]{send_line_break}{}
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Break the current line.
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Break the current line.
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\end{funcdesc}
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\end{methoddesc}
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\begin{funcdesc}{send_paragraph}{blankline}
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\begin{methoddesc}[writer]{send_paragraph}{blankline}
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Produce a paragraph separation of at least \var{blankline} blank
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Produce a paragraph separation of at least \var{blankline} blank
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lines, or the equivelent. The \var{blankline} value will be an
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lines, or the equivelent. The \var{blankline} value will be an
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integer.
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integer.
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\end{funcdesc}
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\end{methoddesc}
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\begin{funcdesc}{send_hor_rule}{*args, **kw}
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\begin{methoddesc}[writer]{send_hor_rule}{*args, **kw}
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Display a horizontal rule on the output device. The arguments to this
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Display a horizontal rule on the output device. The arguments to this
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method are entirely application- and writer-specific, and should be
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method are entirely application- and writer-specific, and should be
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interpreted with care. The method implementation may assume that a
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interpreted with care. The method implementation may assume that a
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line break has already been issued via \method{send_line_break()}.
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line break has already been issued via \method{send_line_break()}.
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\end{funcdesc}
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\end{methoddesc}
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\begin{funcdesc}{send_flowing_data}{data}
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\begin{methoddesc}[writer]{send_flowing_data}{data}
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Output character data which may be word-wrapped and re-flowed as
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Output character data which may be word-wrapped and re-flowed as
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needed. Within any sequence of calls to this method, the writer may
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needed. Within any sequence of calls to this method, the writer may
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assume that spans of multiple whitespace characters have been
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assume that spans of multiple whitespace characters have been
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collapsed to single space characters.
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collapsed to single space characters.
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\end{funcdesc}
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\end{methoddesc}
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\begin{funcdesc}{send_literal_data}{data}
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\begin{methoddesc}[writer]{send_literal_data}{data}
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Output character data which has already been formatted
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Output character data which has already been formatted
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for display. Generally, this should be interpreted to mean that line
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for display. Generally, this should be interpreted to mean that line
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breaks indicated by newline characters should be preserved and no new
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breaks indicated by newline characters should be preserved and no new
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line breaks should be introduced. The data may contain embedded
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line breaks should be introduced. The data may contain embedded
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newline and tab characters, unlike data provided to the
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newline and tab characters, unlike data provided to the
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\method{send_formatted_data()} interface.
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\method{send_formatted_data()} interface.
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\end{funcdesc}
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\end{methoddesc}
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\begin{funcdesc}{send_label_data}{data}
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\begin{methoddesc}[writer]{send_label_data}{data}
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Set \var{data} to the left of the current left margin, if possible.
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Set \var{data} to the left of the current left margin, if possible.
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The value of \var{data} is not restricted; treatment of non-string
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The value of \var{data} is not restricted; treatment of non-string
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values is entirely application- and writer-dependent. This method
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values is entirely application- and writer-dependent. This method
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will only be called at the beginning of a line.
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will only be called at the beginning of a line.
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\end{funcdesc}
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\end{methoddesc}
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\subsection{Writer Implementations}
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\subsection{Writer Implementations}
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@ -70,53 +70,50 @@ handlers for all HTML 2.0 and many HTML 3.0 and 3.2 elements.
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In addition to tag methods, the \class{HTMLParser} class provides some
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In addition to tag methods, the \class{HTMLParser} class provides some
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additional methods and instance variables for use within tag methods.
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additional methods and instance variables for use within tag methods.
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\setindexsubitem{(HTMLParser attribute)}
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\begin{memberdesc}{formatter}
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\begin{datadesc}{formatter}
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This is the formatter instance associated with the parser.
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This is the formatter instance associated with the parser.
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\end{datadesc}
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\end{memberdesc}
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\begin{datadesc}{nofill}
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\begin{memberdesc}{nofill}
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Boolean flag which should be true when whitespace should not be
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Boolean flag which should be true when whitespace should not be
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collapsed, or false when it should be. In general, this should only
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collapsed, or false when it should be. In general, this should only
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be true when character data is to be treated as ``preformatted'' text,
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be true when character data is to be treated as ``preformatted'' text,
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as within a \code{<PRE>} element. The default value is false. This
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as within a \code{<PRE>} element. The default value is false. This
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affects the operation of \method{handle_data()} and \method{save_end()}.
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affects the operation of \method{handle_data()} and \method{save_end()}.
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\end{datadesc}
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\end{memberdesc}
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\setindexsubitem{(HTMLParser method)}
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\begin{funcdesc}{anchor_bgn}{href, name, type}
|
\begin{methoddesc}{anchor_bgn}{href, name, type}
|
||||||
This method is called at the start of an anchor region. The arguments
|
This method is called at the start of an anchor region. The arguments
|
||||||
correspond to the attributes of the \code{<A>} tag with the same
|
correspond to the attributes of the \code{<A>} tag with the same
|
||||||
names. The default implementation maintains a list of hyperlinks
|
names. The default implementation maintains a list of hyperlinks
|
||||||
(defined by the \code{href} attribute) within the document. The list
|
(defined by the \code{href} attribute) within the document. The list
|
||||||
of hyperlinks is available as the data attribute \code{anchorlist}.
|
of hyperlinks is available as the data attribute \code{anchorlist}.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{anchor_end}{}
|
\begin{methoddesc}{anchor_end}{}
|
||||||
This method is called at the end of an anchor region. The default
|
This method is called at the end of an anchor region. The default
|
||||||
implementation adds a textual footnote marker using an index into the
|
implementation adds a textual footnote marker using an index into the
|
||||||
list of hyperlinks created by \method{anchor_bgn()}.
|
list of hyperlinks created by \method{anchor_bgn()}.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{handle_image}{source, alt\optional{, ismap\optional{, align\optional{, width\optional{, height}}}}}
|
\begin{methoddesc}{handle_image}{source, alt\optional{, ismap\optional{, align\optional{, width\optional{, height}}}}}
|
||||||
This method is called to handle images. The default implementation
|
This method is called to handle images. The default implementation
|
||||||
simply passes the \var{alt} value to the \method{handle_data()}
|
simply passes the \var{alt} value to the \method{handle_data()}
|
||||||
method.
|
method.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{save_bgn}{}
|
\begin{methoddesc}{save_bgn}{}
|
||||||
Begins saving character data in a buffer instead of sending it to the
|
Begins saving character data in a buffer instead of sending it to the
|
||||||
formatter object. Retrieve the stored data via \method{save_end()}.
|
formatter object. Retrieve the stored data via \method{save_end()}.
|
||||||
Use of the \method{save_bgn()} / \method{save_end()} pair may not be
|
Use of the \method{save_bgn()} / \method{save_end()} pair may not be
|
||||||
nested.
|
nested.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{save_end}{}
|
\begin{methoddesc}{save_end}{}
|
||||||
Ends buffering character data and returns all data saved since the
|
Ends buffering character data and returns all data saved since the
|
||||||
preceeding call to \method{save_bgn()}. If the \code{nofill} flag is
|
preceeding call to \method{save_bgn()}. If the \code{nofill} flag is
|
||||||
false, whitespace is collapsed to single spaces. A call to this
|
false, whitespace is collapsed to single spaces. A call to this
|
||||||
method without a preceeding call to \method{save_bgn()} will raise a
|
method without a preceeding call to \method{save_bgn()} will raise a
|
||||||
\exception{TypeError} exception.
|
\exception{TypeError} exception.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
|
@ -142,32 +142,31 @@ l/lib/python1.4/test', '/usr/local/lib/python1.4/sunos5', '/usr/local/lib/python
|
||||||
|
|
||||||
\class{PrettyPrinter} instances have the following methods:
|
\class{PrettyPrinter} instances have the following methods:
|
||||||
|
|
||||||
\setindexsubitem{(PrettyPrinter method)}
|
|
||||||
|
|
||||||
\begin{funcdesc}{pformat}{object}
|
\begin{methoddesc}{pformat}{object}
|
||||||
Return the formatted representation of \var{object}. This takes into
|
Return the formatted representation of \var{object}. This takes into
|
||||||
account the options passed to the \class{PrettyPrinter} constructor.
|
Account the options passed to the \class{PrettyPrinter} constructor.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{pprint}{object}
|
\begin{methoddesc}{pprint}{object}
|
||||||
Print the formatted representation of \var{object} on the configured
|
Print the formatted representation of \var{object} on the configured
|
||||||
stream, followed by a newline.
|
stream, followed by a newline.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
The following methods provide the implementations for the
|
The following methods provide the implementations for the
|
||||||
corresponding functions of the same names. Using these methods on an
|
corresponding functions of the same names. Using these methods on an
|
||||||
instance is slightly more efficient since new \class{PrettyPrinter}
|
instance is slightly more efficient since new \class{PrettyPrinter}
|
||||||
objects don't need to be created.
|
objects don't need to be created.
|
||||||
|
|
||||||
\begin{funcdesc}{isreadable}{object}
|
\begin{methoddesc}{isreadable}{object}
|
||||||
Determine if the formatted representation of the object is
|
Determine if the formatted representation of the object is
|
||||||
``readable,'' or can be used to reconstruct the value using
|
``readable,'' or can be used to reconstruct the value using
|
||||||
\function{eval()}\bifuncindex{eval}. Note that this returns false for
|
\function{eval()}\bifuncindex{eval}. Note that this returns false for
|
||||||
recursive objects. If the \var{depth} parameter of the
|
recursive objects. If the \var{depth} parameter of the
|
||||||
\class{PrettyPrinter} is set and the object is deeper than allowed,
|
\class{PrettyPrinter} is set and the object is deeper than allowed,
|
||||||
this returns false.
|
this returns false.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{isrecursive}{object}
|
\begin{methoddesc}{isrecursive}{object}
|
||||||
Determine if the object requires a recursive representation.
|
Determine if the object requires a recursive representation.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
|
@ -1,7 +1,5 @@
|
||||||
\chapter{The Python Profiler}
|
\chapter{The Python Profiler}
|
||||||
\label{profile}
|
\label{profile}
|
||||||
\stmodindex{profile}
|
|
||||||
\stmodindex{pstats}
|
|
||||||
|
|
||||||
Copyright \copyright{} 1994, by InfoSeek Corporation, all rights reserved.
|
Copyright \copyright{} 1994, by InfoSeek Corporation, all rights reserved.
|
||||||
|
|
||||||
|
@ -256,8 +254,9 @@ of algorithms to be directly compared to iterative implementations.
|
||||||
|
|
||||||
|
|
||||||
\section{Reference Manual}
|
\section{Reference Manual}
|
||||||
|
\stmodindex{profile}
|
||||||
|
\label{module-profile}
|
||||||
|
|
||||||
\setindexsubitem{(in module profile)}
|
|
||||||
|
|
||||||
The primary entry point for the profiler is the global function
|
The primary entry point for the profiler is the global function
|
||||||
\function{profile.run()}. It is typically used to create any profile
|
\function{profile.run()}. It is typically used to create any profile
|
||||||
|
@ -269,7 +268,7 @@ Profiler Extensions, which includes discussion of how to derive
|
||||||
``better'' profilers from the classes presented, or reading the source
|
``better'' profilers from the classes presented, or reading the source
|
||||||
code for these modules.
|
code for these modules.
|
||||||
|
|
||||||
\begin{funcdesc}{profile.run}{string\optional{, filename\optional{, ...}}}
|
\begin{funcdesc}{run}{string\optional{, filename\optional{, ...}}}
|
||||||
|
|
||||||
This function takes a single argument that has can be passed to the
|
This function takes a single argument that has can be passed to the
|
||||||
\keyword{exec} statement, and an optional file name. In all cases this
|
\keyword{exec} statement, and an optional file name. In all cases this
|
||||||
|
@ -336,7 +335,8 @@ printed.
|
||||||
Analysis of the profiler data is done using this class from the
|
Analysis of the profiler data is done using this class from the
|
||||||
\module{pstats} module:
|
\module{pstats} module:
|
||||||
|
|
||||||
\setindexsubitem{(in module pstats)}
|
% now switch modules....
|
||||||
|
\stmodindex{pstats}
|
||||||
|
|
||||||
\begin{classdesc}{Stats}{filename\optional{, ...}}
|
\begin{classdesc}{Stats}{filename\optional{, ...}}
|
||||||
This class constructor creates an instance of a ``statistics object''
|
This class constructor creates an instance of a ``statistics object''
|
||||||
|
@ -361,7 +361,7 @@ need to be combined with data in an existing \class{Stats} object, the
|
||||||
|
|
||||||
\setindexsubitem{(Stats method)}
|
\setindexsubitem{(Stats method)}
|
||||||
|
|
||||||
\begin{funcdesc}{strip_dirs}{}
|
\begin{methoddesc}{strip_dirs}{}
|
||||||
This method for the \class{Stats} class removes all leading path
|
This method for the \class{Stats} class removes all leading path
|
||||||
information from file names. It is very useful in reducing the size
|
information from file names. It is very useful in reducing the size
|
||||||
of the printout to fit within (close to) 80 columns. This method
|
of the printout to fit within (close to) 80 columns. This method
|
||||||
|
@ -372,19 +372,19 @@ initialization and loading. If \method{strip_dirs()} causes two
|
||||||
function names to be indistinguishable (i.e., they are on the same
|
function names to be indistinguishable (i.e., they are on the same
|
||||||
line of the same filename, and have the same function name), then the
|
line of the same filename, and have the same function name), then the
|
||||||
statistics for these two entries are accumulated into a single entry.
|
statistics for these two entries are accumulated into a single entry.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
|
|
||||||
\begin{funcdesc}{add}{filename\optional{, ...}}
|
\begin{methoddesc}{add}{filename\optional{, ...}}
|
||||||
This method of the \class{Stats} class accumulates additional
|
This method of the \class{Stats} class accumulates additional
|
||||||
profiling information into the current profiling object. Its
|
profiling information into the current profiling object. Its
|
||||||
arguments should refer to filenames created by the corresponding
|
arguments should refer to filenames created by the corresponding
|
||||||
version of \function{profile.run()}. Statistics for identically named
|
version of \function{profile.run()}. Statistics for identically named
|
||||||
(re: file, line, name) functions are automatically accumulated into
|
(re: file, line, name) functions are automatically accumulated into
|
||||||
single function statistics.
|
single function statistics.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{sort_stats}{key\optional{, ...}}
|
\begin{methoddesc}{sort_stats}{key\optional{, ...}}
|
||||||
This method modifies the \class{Stats} object by sorting it according
|
This method modifies the \class{Stats} object by sorting it according
|
||||||
to the supplied criteria. The argument is typically a string
|
to the supplied criteria. The argument is typically a string
|
||||||
identifying the basis of a sort (example: \code{"time"} or
|
identifying the basis of a sort (example: \code{"time"} or
|
||||||
|
@ -430,18 +430,18 @@ interpreted as \code{"stdname"}, \code{"calls"}, \code{"time"}, and
|
||||||
\code{"cumulative"} respectively. If this old style format (numeric)
|
\code{"cumulative"} respectively. If this old style format (numeric)
|
||||||
is used, only one sort key (the numeric key) will be used, and
|
is used, only one sort key (the numeric key) will be used, and
|
||||||
additional arguments will be silently ignored.
|
additional arguments will be silently ignored.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
|
|
||||||
\begin{funcdesc}{reverse_order}{}
|
\begin{methoddesc}{reverse_order}{}
|
||||||
This method for the \class{Stats} class reverses the ordering of the basic
|
This method for the \class{Stats} class reverses the ordering of the basic
|
||||||
list within the object. This method is provided primarily for
|
list within the object. This method is provided primarily for
|
||||||
compatibility with the old profiler. Its utility is questionable
|
compatibility with the old profiler. Its utility is questionable
|
||||||
now that ascending vs descending order is properly selected based on
|
now that ascending vs descending order is properly selected based on
|
||||||
the sort key of choice.
|
the sort key of choice.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{print_stats}{restriction\optional{, ...}}
|
\begin{methoddesc}{print_stats}{restriction\optional{, ...}}
|
||||||
This method for the \class{Stats} class prints out a report as described
|
This method for the \class{Stats} class prints out a report as described
|
||||||
in the \function{profile.run()} definition.
|
in the \function{profile.run()} definition.
|
||||||
|
|
||||||
|
@ -473,10 +473,10 @@ print_stats("foo:", .1)
|
||||||
|
|
||||||
would limit the list to all functions having file names \samp{.*foo:},
|
would limit the list to all functions having file names \samp{.*foo:},
|
||||||
and then proceed to only print the first 10\% of them.
|
and then proceed to only print the first 10\% of them.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
|
|
||||||
\begin{funcdesc}{print_callers}{restrictions\optional{, ...}}
|
\begin{methoddesc}{print_callers}{restrictions\optional{, ...}}
|
||||||
This method for the \class{Stats} class prints a list of all functions
|
This method for the \class{Stats} class prints a list of all functions
|
||||||
that called each function in the profiled database. The ordering is
|
that called each function in the profiled database. The ordering is
|
||||||
identical to that provided by \method{print_stats()}, and the definition
|
identical to that provided by \method{print_stats()}, and the definition
|
||||||
|
@ -484,16 +484,16 @@ of the restricting argument is also identical. For convenience, a
|
||||||
number is shown in parentheses after each caller to show how many
|
number is shown in parentheses after each caller to show how many
|
||||||
times this specific call was made. A second non-parenthesized number
|
times this specific call was made. A second non-parenthesized number
|
||||||
is the cumulative time spent in the function at the right.
|
is the cumulative time spent in the function at the right.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{print_callees}{restrictions\optional{, ...}}
|
\begin{methoddesc}{print_callees}{restrictions\optional{, ...}}
|
||||||
This method for the \class{Stats} class prints a list of all function
|
This method for the \class{Stats} class prints a list of all function
|
||||||
that were called by the indicated function. Aside from this reversal
|
that were called by the indicated function. Aside from this reversal
|
||||||
of direction of calls (re: called vs was called by), the arguments and
|
of direction of calls (re: called vs was called by), the arguments and
|
||||||
ordering are identical to the \method{print_callers()} method.
|
ordering are identical to the \method{print_callers()} method.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{ignore}{}
|
\begin{methoddesc}{ignore}{}
|
||||||
This method of the \class{Stats} class is used to dispose of the value
|
This method of the \class{Stats} class is used to dispose of the value
|
||||||
returned by earlier methods. All standard methods in this class
|
returned by earlier methods. All standard methods in this class
|
||||||
return the instance that is being processed, so that the commands can
|
return the instance that is being processed, so that the commands can
|
||||||
|
@ -503,7 +503,7 @@ be strung together. For example:
|
||||||
pstats.Stats('foofile').strip_dirs().sort_stats('cum') \
|
pstats.Stats('foofile').strip_dirs().sort_stats('cum') \
|
||||||
.print_stats().ignore()
|
.print_stats().ignore()
|
||||||
\end{verbatim}
|
\end{verbatim}
|
||||||
%
|
|
||||||
would perform all the indicated functions, but it would not return
|
would perform all the indicated functions, but it would not return
|
||||||
the final reference to the \class{Stats} instance.%
|
the final reference to the \class{Stats} instance.%
|
||||||
\footnote{
|
\footnote{
|
||||||
|
@ -511,7 +511,7 @@ This was once necessary, when Python would print any unused expression
|
||||||
result that was not \code{None}. The method is still defined for
|
result that was not \code{None}. The method is still defined for
|
||||||
backward compatibility.
|
backward compatibility.
|
||||||
}
|
}
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
|
|
||||||
\section{Limitations}
|
\section{Limitations}
|
||||||
|
|
|
@ -37,34 +37,32 @@ other queue organizations (e.g. stack) but the inheritable interface
|
||||||
is not described here. See the source code for details. The public
|
is not described here. See the source code for details. The public
|
||||||
methods are:
|
methods are:
|
||||||
|
|
||||||
\setindexsubitem{(Queue method)}
|
\begin{methoddesc}{qsize}{}
|
||||||
|
|
||||||
\begin{funcdesc}{qsize}{}
|
|
||||||
Returns the approximate size of the queue. Because of multithreading
|
Returns the approximate size of the queue. Because of multithreading
|
||||||
semantics, this number is not reliable.
|
semantics, this number is not reliable.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{empty}{}
|
\begin{methoddesc}{empty}{}
|
||||||
Returns \code{1} if the queue is empty, \code{0} otherwise. Because
|
Returns \code{1} if the queue is empty, \code{0} otherwise. Because
|
||||||
of multithreading semantics, this is not reliable.
|
of multithreading semantics, this is not reliable.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{full}{}
|
\begin{methoddesc}{full}{}
|
||||||
Returns \code{1} if the queue is full, \code{0} otherwise. Because of
|
Returns \code{1} if the queue is full, \code{0} otherwise. Because of
|
||||||
multithreading semantics, this is not reliable.
|
multithreading semantics, this is not reliable.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{put}{item}
|
\begin{methoddesc}{put}{item}
|
||||||
Puts \var{item} into the queue.
|
Puts \var{item} into the queue.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{get}{}
|
\begin{methoddesc}{get}{}
|
||||||
Gets and returns an item from the queue, blocking if necessary until
|
Gets and returns an item from the queue, blocking if necessary until
|
||||||
one is available.
|
one is available.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{get_nowait}{}
|
\begin{methoddesc}{get_nowait}{}
|
||||||
Gets and returns an item from the queue if one is immediately
|
Gets and returns an item from the queue if one is immediately
|
||||||
available. Raises an \exception{Empty} exception if the queue is
|
available. Raises an \exception{Empty} exception if the queue is
|
||||||
empty or if the queue's emptiness cannot be determined.
|
empty or if the queue's emptiness cannot be determined.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
|
@ -38,37 +38,36 @@ spaces, tabs, and newlines are allowed between the trailing
|
||||||
|
|
||||||
\class{SGMLParser} instances have the following interface methods:
|
\class{SGMLParser} instances have the following interface methods:
|
||||||
|
|
||||||
\setindexsubitem{(SGMLParser method)}
|
|
||||||
|
|
||||||
\begin{funcdesc}{reset}{}
|
\begin{methoddesc}{reset}{}
|
||||||
Reset the instance. Loses all unprocessed data. This is called
|
Reset the instance. Loses all unprocessed data. This is called
|
||||||
implicitly at instantiation time.
|
implicitly at instantiation time.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{setnomoretags}{}
|
\begin{methoddesc}{setnomoretags}{}
|
||||||
Stop processing tags. Treat all following input as literal input
|
Stop processing tags. Treat all following input as literal input
|
||||||
(CDATA). (This is only provided so the HTML tag \code{<PLAINTEXT>}
|
(CDATA). (This is only provided so the HTML tag \code{<PLAINTEXT>}
|
||||||
can be implemented.)
|
can be implemented.)
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{setliteral}{}
|
\begin{methoddesc}{setliteral}{}
|
||||||
Enter literal mode (CDATA mode).
|
Enter literal mode (CDATA mode).
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{feed}{data}
|
\begin{methoddesc}{feed}{data}
|
||||||
Feed some text to the parser. It is processed insofar as it consists
|
Feed some text to the parser. It is processed insofar as it consists
|
||||||
of complete elements; incomplete data is buffered until more data is
|
of complete elements; incomplete data is buffered until more data is
|
||||||
fed or \method{close()} is called.
|
fed or \method{close()} is called.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{close}{}
|
\begin{methoddesc}{close}{}
|
||||||
Force processing of all buffered data as if it were followed by an
|
Force processing of all buffered data as if it were followed by an
|
||||||
end-of-file mark. This method may be redefined by a derived class to
|
end-of-file mark. This method may be redefined by a derived class to
|
||||||
define additional processing at the end of the input, but the
|
define additional processing at the end of the input, but the
|
||||||
redefined version should always call \method{close()}.
|
redefined version should always call \method{close()}.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{handle_starttag}{tag, method, attributes}
|
\begin{methoddesc}{handle_starttag}{tag, method, attributes}
|
||||||
This method is called to handle start tags for which either a
|
This method is called to handle start tags for which either a
|
||||||
\code{start_\var{tag}()} or \code{do_\var{tag}()} method has been
|
\code{start_\var{tag}()} or \code{do_\var{tag}()} method has been
|
||||||
defined. The \var{tag} argument is the name of the tag converted to
|
defined. The \var{tag} argument is the name of the tag converted to
|
||||||
|
@ -82,9 +81,9 @@ instance, for the tag \code{<A HREF="http://www.cwi.nl/">}, this
|
||||||
method would be called as \samp{unknown_starttag('a', [('href',
|
method would be called as \samp{unknown_starttag('a', [('href',
|
||||||
'http://www.cwi.nl/')])}. The base implementation simply calls
|
'http://www.cwi.nl/')])}. The base implementation simply calls
|
||||||
\var{method} with \var{attributes} as the only argument.
|
\var{method} with \var{attributes} as the only argument.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{handle_endtag}{tag, method}
|
\begin{methoddesc}{handle_endtag}{tag, method}
|
||||||
This method is called to handle endtags for which an
|
This method is called to handle endtags for which an
|
||||||
\code{end_\var{tag}()} method has been defined. The \var{tag}
|
\code{end_\var{tag}()} method has been defined. The \var{tag}
|
||||||
argument is the name of the tag converted to lower case, and the
|
argument is the name of the tag converted to lower case, and the
|
||||||
|
@ -93,15 +92,15 @@ support semantic interpretation of the end tag. If no
|
||||||
\code{end_\var{tag}()} method is defined for the closing element,
|
\code{end_\var{tag}()} method is defined for the closing element,
|
||||||
this handler is not called. The base implementation simply calls
|
this handler is not called. The base implementation simply calls
|
||||||
\var{method}.
|
\var{method}.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{handle_data}{data}
|
\begin{methoddesc}{handle_data}{data}
|
||||||
This method is called to process arbitrary data. It is intended to be
|
This method is called to process arbitrary data. It is intended to be
|
||||||
overridden by a derived class; the base class implementation does
|
overridden by a derived class; the base class implementation does
|
||||||
nothing.
|
nothing.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{handle_charref}{ref}
|
\begin{methoddesc}{handle_charref}{ref}
|
||||||
This method is called to process a character reference of the form
|
This method is called to process a character reference of the form
|
||||||
\samp{\&\#\var{ref};}. In the base implementation, \var{ref} must
|
\samp{\&\#\var{ref};}. In the base implementation, \var{ref} must
|
||||||
be a decimal number in the
|
be a decimal number in the
|
||||||
|
@ -111,9 +110,9 @@ method \method{handle_data()} with the character as argument. If
|
||||||
\code{unknown_charref(\var{ref})} is called to handle the error. A
|
\code{unknown_charref(\var{ref})} is called to handle the error. A
|
||||||
subclass must override this method to provide support for named
|
subclass must override this method to provide support for named
|
||||||
character entities.
|
character entities.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{handle_entityref}{ref}
|
\begin{methoddesc}{handle_entityref}{ref}
|
||||||
This method is called to process a general entity reference of the
|
This method is called to process a general entity reference of the
|
||||||
form \samp{\&\var{ref};} where \var{ref} is an general entity
|
form \samp{\&\var{ref};} where \var{ref} is an general entity
|
||||||
reference. It looks for \var{ref} in the instance (or class)
|
reference. It looks for \var{ref} in the instance (or class)
|
||||||
|
@ -124,46 +123,46 @@ with the translation; otherwise, it calls the method
|
||||||
\code{unknown_entityref(\var{ref})}. The default \member{entitydefs}
|
\code{unknown_entityref(\var{ref})}. The default \member{entitydefs}
|
||||||
defines translations for \code{\&}, \code{\&apos}, \code{\>},
|
defines translations for \code{\&}, \code{\&apos}, \code{\>},
|
||||||
\code{\<}, and \code{\"}.
|
\code{\<}, and \code{\"}.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{handle_comment}{comment}
|
\begin{methoddesc}{handle_comment}{comment}
|
||||||
This method is called when a comment is encountered. The
|
This method is called when a comment is encountered. The
|
||||||
\var{comment} argument is a string containing the text between the
|
\var{comment} argument is a string containing the text between the
|
||||||
\samp{<!--} and \samp{-->} delimiters, but not the delimiters
|
\samp{<!--} and \samp{-->} delimiters, but not the delimiters
|
||||||
themselves. For example, the comment \samp{<!--text-->} will
|
themselves. For example, the comment \samp{<!--text-->} will
|
||||||
cause this method to be called with the argument \code{'text'}. The
|
cause this method to be called with the argument \code{'text'}. The
|
||||||
default method does nothing.
|
default method does nothing.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{report_unbalanced}{tag}
|
\begin{methoddesc}{report_unbalanced}{tag}
|
||||||
This method is called when an end tag is found which does not
|
This method is called when an end tag is found which does not
|
||||||
correspond to any open element.
|
correspond to any open element.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{unknown_starttag}{tag, attributes}
|
\begin{methoddesc}{unknown_starttag}{tag, attributes}
|
||||||
This method is called to process an unknown start tag. It is intended
|
This method is called to process an unknown start tag. It is intended
|
||||||
to be overridden by a derived class; the base class implementation
|
to be overridden by a derived class; the base class implementation
|
||||||
does nothing.
|
does nothing.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{unknown_endtag}{tag}
|
\begin{methoddesc}{unknown_endtag}{tag}
|
||||||
This method is called to process an unknown end tag. It is intended
|
This method is called to process an unknown end tag. It is intended
|
||||||
to be overridden by a derived class; the base class implementation
|
to be overridden by a derived class; the base class implementation
|
||||||
does nothing.
|
does nothing.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{unknown_charref}{ref}
|
\begin{methoddesc}{unknown_charref}{ref}
|
||||||
This method is called to process unresolvable numeric character
|
This method is called to process unresolvable numeric character
|
||||||
references. Refer to \method{handle_charref()} to determine what is
|
references. Refer to \method{handle_charref()} to determine what is
|
||||||
handled by default. It is intended to be overridden by a derived
|
handled by default. It is intended to be overridden by a derived
|
||||||
class; the base class implementation does nothing.
|
class; the base class implementation does nothing.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{unknown_entityref}{ref}
|
\begin{methoddesc}{unknown_entityref}{ref}
|
||||||
This method is called to process an unknown entity reference. It is
|
This method is called to process an unknown entity reference. It is
|
||||||
intended to be overridden by a derived class; the base class
|
intended to be overridden by a derived class; the base class
|
||||||
implementation does nothing.
|
implementation does nothing.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
Apart from overriding or extending the methods listed above, derived
|
Apart from overriding or extending the methods listed above, derived
|
||||||
classes may also define methods of the following form to define
|
classes may also define methods of the following form to define
|
||||||
|
@ -171,22 +170,22 @@ processing of specific tags. Tag names in the input stream are case
|
||||||
independent; the \var{tag} occurring in method names must be in lower
|
independent; the \var{tag} occurring in method names must be in lower
|
||||||
case:
|
case:
|
||||||
|
|
||||||
\begin{funcdescni}{start_\var{tag}}{attributes}
|
\begin{methoddescni}{start_\var{tag}}{attributes}
|
||||||
This method is called to process an opening tag \var{tag}. It has
|
This method is called to process an opening tag \var{tag}. It has
|
||||||
preference over \code{do_\var{tag}()}. The \var{attributes}
|
preference over \code{do_\var{tag}()}. The \var{attributes}
|
||||||
argument has the same meaning as described for
|
argument has the same meaning as described for
|
||||||
\method{handle_starttag()} above.
|
\method{handle_starttag()} above.
|
||||||
\end{funcdescni}
|
\end{methoddescni}
|
||||||
|
|
||||||
\begin{funcdescni}{do_\var{tag}}{attributes}
|
\begin{methoddescni}{do_\var{tag}}{attributes}
|
||||||
This method is called to process an opening tag \var{tag} that does
|
This method is called to process an opening tag \var{tag} that does
|
||||||
not come with a matching closing tag. The \var{attributes} argument
|
not come with a matching closing tag. The \var{attributes} argument
|
||||||
has the same meaning as described for \method{handle_starttag()} above.
|
has the same meaning as described for \method{handle_starttag()} above.
|
||||||
\end{funcdescni}
|
\end{methoddescni}
|
||||||
|
|
||||||
\begin{funcdescni}{end_\var{tag}}{}
|
\begin{methoddescni}{end_\var{tag}}{}
|
||||||
This method is called to process a closing tag \var{tag}.
|
This method is called to process a closing tag \var{tag}.
|
||||||
\end{funcdescni}
|
\end{methoddescni}
|
||||||
|
|
||||||
Note that the parser maintains a stack of open elements for which no
|
Note that the parser maintains a stack of open elements for which no
|
||||||
end tag has been found yet. Only tags processed by
|
end tag has been found yet. Only tags processed by
|
||||||
|
|
|
@ -3,15 +3,21 @@
|
||||||
|
|
||||||
\stmodindex{StringIO}
|
\stmodindex{StringIO}
|
||||||
|
|
||||||
This module implements a file-like class, \code{StringIO},
|
This module implements a file-like class, \class{StringIO},
|
||||||
that reads and writes a string buffer (also known as \emph{memory
|
that reads and writes a string buffer (also known as \emph{memory
|
||||||
files}). See the description on file objects for operations.
|
files}). See the description on file objects for operations.
|
||||||
|
|
||||||
When a \code{StringIO} object is created, it can be initialized
|
\begin{classdesc}{StringIO}{\optional{buffer}}
|
||||||
|
When a \class{StringIO} object is created, it can be initialized
|
||||||
to an existing string by passing the string to the constructor.
|
to an existing string by passing the string to the constructor.
|
||||||
If no string is given, the \code{StringIO} will start empty.
|
If no string is given, the \class{StringIO} will start empty.
|
||||||
|
\end{classdesc}
|
||||||
|
|
||||||
The method \code{getvalue()} can be called to retrieve the entire
|
\begin{methoddesc}{getvalue}{}
|
||||||
contents of the ``file'' at any time before the \code{StringIO}
|
Retrieve the entire contents of the ``file'' at any time before the
|
||||||
object's \code{close()} method is called. Calling \code{close()} will
|
\class{StringIO} object's \method{close()} method is called.
|
||||||
free the memory buffer.
|
\end{methoddesc}
|
||||||
|
|
||||||
|
\begin{methoddesc}{close}{}
|
||||||
|
Free the memory buffer.
|
||||||
|
\end{methoddesc}
|
||||||
|
|
|
@ -707,30 +707,28 @@ device or writing a file opened for reading.
|
||||||
Files have the following methods:
|
Files have the following methods:
|
||||||
|
|
||||||
|
|
||||||
\setindexsubitem{(file method)}
|
\begin{methoddesc}[file]{close}{}
|
||||||
|
|
||||||
\begin{funcdesc}{close}{}
|
|
||||||
Close the file. A closed file cannot be read or written anymore.
|
Close the file. A closed file cannot be read or written anymore.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{flush}{}
|
\begin{methoddesc}[file]{flush}{}
|
||||||
Flush the internal buffer, like \code{stdio}'s \code{fflush()}.
|
Flush the internal buffer, like \code{stdio}'s \code{fflush()}.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{isatty}{}
|
\begin{methoddesc}[file]{isatty}{}
|
||||||
Return \code{1} if the file is connected to a tty(-like) device, else
|
Return \code{1} if the file is connected to a tty(-like) device, else
|
||||||
\code{0}.
|
\code{0}.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{fileno}{}
|
\begin{methoddesc}[file]{fileno}{}
|
||||||
Return the integer ``file descriptor'' that is used by the underlying
|
Return the integer ``file descriptor'' that is used by the underlying
|
||||||
implementation to request I/O operations from the operating system.
|
implementation to request I/O operations from the operating system.
|
||||||
This can be useful for other, lower level interfaces that use file
|
This can be useful for other, lower level interfaces that use file
|
||||||
descriptors, e.g. module \code{fcntl} or \code{os.read()} and friends.
|
descriptors, e.g. module \code{fcntl} or \code{os.read()} and friends.
|
||||||
\refbimodindex{fcntl}
|
\refbimodindex{fcntl}
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{read}{\optional{size}}
|
\begin{methoddesc}[file]{read}{\optional{size}}
|
||||||
Read at most \var{size} bytes from the file (less if the read hits
|
Read at most \var{size} bytes from the file (less if the read hits
|
||||||
\EOF{} or no more data is immediately available on a pipe, tty or
|
\EOF{} or no more data is immediately available on a pipe, tty or
|
||||||
similar device). If the \var{size} argument is negative or omitted,
|
similar device). If the \var{size} argument is negative or omitted,
|
||||||
|
@ -738,9 +736,9 @@ descriptors, e.g. module \code{fcntl} or \code{os.read()} and friends.
|
||||||
object. An empty string is returned when \EOF{} is encountered
|
object. An empty string is returned when \EOF{} is encountered
|
||||||
immediately. (For certain files, like ttys, it makes sense to
|
immediately. (For certain files, like ttys, it makes sense to
|
||||||
continue reading after an \EOF{} is hit.)
|
continue reading after an \EOF{} is hit.)
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{readline}{\optional{size}}
|
\begin{methoddesc}[file]{readline}{\optional{size}}
|
||||||
Read one entire line from the file. A trailing newline character is
|
Read one entire line from the file. A trailing newline character is
|
||||||
kept in the string%
|
kept in the string%
|
||||||
\footnote{The advantage of leaving the newline on is that an empty string
|
\footnote{The advantage of leaving the newline on is that an empty string
|
||||||
|
@ -757,71 +755,71 @@ descriptors, e.g. module \code{fcntl} or \code{os.read()} and friends.
|
||||||
immediately. Note: unlike \code{stdio}'s \code{fgets()}, the returned
|
immediately. Note: unlike \code{stdio}'s \code{fgets()}, the returned
|
||||||
string contains null characters (\code{'\e 0'}) if they occurred in the
|
string contains null characters (\code{'\e 0'}) if they occurred in the
|
||||||
input.
|
input.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{readlines}{\optional{sizehint}}
|
\begin{methoddesc}[file]{readlines}{\optional{sizehint}}
|
||||||
Read until \EOF{} using \code{readline()} and return a list containing
|
Read until \EOF{} using \code{readline()} and return a list containing
|
||||||
the lines thus read. If the optional \var{sizehint} argument is
|
the lines thus read. If the optional \var{sizehint} argument is
|
||||||
present, instead of reading up to \EOF{}, whole lines totalling
|
present, instead of reading up to \EOF{}, whole lines totalling
|
||||||
approximately \var{sizehint} bytes (possibly after rounding up to an
|
approximately \var{sizehint} bytes (possibly after rounding up to an
|
||||||
internal buffer size) are read.
|
internal buffer size) are read.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{seek}{offset, whence}
|
\begin{methoddesc}[file]{seek}{offset, whence}
|
||||||
Set the file's current position, like \code{stdio}'s \code{fseek()}.
|
Set the file's current position, like \code{stdio}'s \code{fseek()}.
|
||||||
The \var{whence} argument is optional and defaults to \code{0}
|
The \var{whence} argument is optional and defaults to \code{0}
|
||||||
(absolute file positioning); other values are \code{1} (seek
|
(absolute file positioning); other values are \code{1} (seek
|
||||||
relative to the current position) and \code{2} (seek relative to the
|
relative to the current position) and \code{2} (seek relative to the
|
||||||
file's end). There is no return value.
|
file's end). There is no return value.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{tell}{}
|
\begin{methoddesc}[file]{tell}{}
|
||||||
Return the file's current position, like \code{stdio}'s \code{ftell()}.
|
Return the file's current position, like \code{stdio}'s \code{ftell()}.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{truncate}{\optional{size}}
|
\begin{methoddesc}[file]{truncate}{\optional{size}}
|
||||||
Truncate the file's size. If the optional size argument present, the
|
Truncate the file's size. If the optional size argument present, the
|
||||||
file is truncated to (at most) that size. The size defaults to the
|
file is truncated to (at most) that size. The size defaults to the
|
||||||
current position. Availability of this function depends on the
|
current position. Availability of this function depends on the
|
||||||
operating system version (e.g., not all \UNIX{} versions support this
|
operating system version (e.g., not all \UNIX{} versions support this
|
||||||
operation).
|
operation).
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{write}{str}
|
\begin{methoddesc}[file]{write}{str}
|
||||||
Write a string to the file. There is no return value. Note: due to
|
Write a string to the file. There is no return value. Note: due to
|
||||||
buffering, the string may not actually show up in the file until
|
buffering, the string may not actually show up in the file until
|
||||||
the \code{flush()} or \code{close()} method is called.
|
the \code{flush()} or \code{close()} method is called.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{writelines}{list}
|
\begin{methoddesc}[file]{writelines}{list}
|
||||||
Write a list of strings to the file. There is no return value.
|
Write a list of strings to the file. There is no return value.
|
||||||
(The name is intended to match \code{readlines}; \code{writelines}
|
(The name is intended to match \code{readlines}; \code{writelines}
|
||||||
does not add line separators.)
|
does not add line separators.)
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
File objects also offer the following attributes:
|
File objects also offer the following attributes:
|
||||||
|
|
||||||
\setindexsubitem{(file attribute)}
|
\setindexsubitem{(file attribute)}
|
||||||
|
|
||||||
\begin{datadesc}{closed}
|
\begin{memberdesc}[file]{closed}
|
||||||
Boolean indicating the current state of the file object. This is a
|
Boolean indicating the current state of the file object. This is a
|
||||||
read-only attribute; the \method{close()} method changes the value.
|
read-only attribute; the \method{close()} method changes the value.
|
||||||
\end{datadesc}
|
\end{memberdesc}
|
||||||
|
|
||||||
\begin{datadesc}{mode}
|
\begin{memberdesc}[file]{mode}
|
||||||
The I/O mode for the file. If the file was created using the
|
The I/O mode for the file. If the file was created using the
|
||||||
\function{open()} built-in function, this will be the value of the
|
\function{open()} built-in function, this will be the value of the
|
||||||
\var{mode} parameter. This is a read-only attribute.
|
\var{mode} parameter. This is a read-only attribute.
|
||||||
\end{datadesc}
|
\end{memberdesc}
|
||||||
|
|
||||||
\begin{datadesc}{name}
|
\begin{memberdesc}[file]{name}
|
||||||
If the file object was created using \function{open()}, the name of
|
If the file object was created using \function{open()}, the name of
|
||||||
the file. Otherwise, some string that indicates the source of the
|
the file. Otherwise, some string that indicates the source of the
|
||||||
file object, of the form \samp{<\mbox{\ldots}>}. This is a read-only
|
file object, of the form \samp{<\mbox{\ldots}>}. This is a read-only
|
||||||
attribute.
|
attribute.
|
||||||
\end{datadesc}
|
\end{memberdesc}
|
||||||
|
|
||||||
\begin{datadesc}{softspace}
|
\begin{memberdesc}[file]{softspace}
|
||||||
Boolean that indicates whether a space character needs to be printed
|
Boolean that indicates whether a space character needs to be printed
|
||||||
before another value when using the \keyword{print} statement.
|
before another value when using the \keyword{print} statement.
|
||||||
Classes that are trying to simulate a file object should also have a
|
Classes that are trying to simulate a file object should also have a
|
||||||
|
@ -829,7 +827,7 @@ writable \code{softspace} attribute, which should be initialized to
|
||||||
zero. This will be automatic for classes implemented in Python; types
|
zero. This will be automatic for classes implemented in Python; types
|
||||||
implemented in \C{} will have to provide a writable \code{softspace}
|
implemented in \C{} will have to provide a writable \code{softspace}
|
||||||
attribute.
|
attribute.
|
||||||
\end{datadesc}
|
\end{memberdesc}
|
||||||
|
|
||||||
\subsubsection{Internal Objects}
|
\subsubsection{Internal Objects}
|
||||||
|
|
||||||
|
|
|
@ -37,6 +37,7 @@ initialized.
|
||||||
|
|
||||||
One data element is defined at the module level:
|
One data element is defined at the module level:
|
||||||
|
|
||||||
|
|
||||||
\begin{datadesc}{AS_IS}
|
\begin{datadesc}{AS_IS}
|
||||||
Value which can be used in the font specification passed to the
|
Value which can be used in the font specification passed to the
|
||||||
\code{push_font()} method described below, or as the new value to any
|
\code{push_font()} method described below, or as the new value to any
|
||||||
|
@ -47,33 +48,30 @@ be called without having to track whether the property was changed.
|
||||||
|
|
||||||
The following attributes are defined for formatter instance objects:
|
The following attributes are defined for formatter instance objects:
|
||||||
|
|
||||||
\setindexsubitem{(formatter attribute)}
|
|
||||||
|
|
||||||
\begin{datadesc}{writer}
|
\begin{memberdesc}[formatter]{writer}
|
||||||
The writer instance with which the formatter interacts.
|
The writer instance with which the formatter interacts.
|
||||||
\end{datadesc}
|
\end{memberdesc}
|
||||||
|
|
||||||
|
|
||||||
\setindexsubitem{(formatter method)}
|
\begin{methoddesc}[formatter]{end_paragraph}{blanklines}
|
||||||
|
|
||||||
\begin{funcdesc}{end_paragraph}{blanklines}
|
|
||||||
Close any open paragraphs and insert at least \var{blanklines}
|
Close any open paragraphs and insert at least \var{blanklines}
|
||||||
before the next paragraph.
|
before the next paragraph.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{add_line_break}{}
|
\begin{methoddesc}[formatter]{add_line_break}{}
|
||||||
Add a hard line break if one does not already exist. This does not
|
Add a hard line break if one does not already exist. This does not
|
||||||
break the logical paragraph.
|
break the logical paragraph.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{add_hor_rule}{*args, **kw}
|
\begin{methoddesc}[formatter]{add_hor_rule}{*args, **kw}
|
||||||
Insert a horizontal rule in the output. A hard break is inserted if
|
Insert a horizontal rule in the output. A hard break is inserted if
|
||||||
there is data in the current paragraph, but the logical paragraph is
|
there is data in the current paragraph, but the logical paragraph is
|
||||||
not broken. The arguments and keywords are passed on to the writer's
|
not broken. The arguments and keywords are passed on to the writer's
|
||||||
\method{send_line_break()} method.
|
\method{send_line_break()} method.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{add_flowing_data}{data}
|
\begin{methoddesc}[formatter]{add_flowing_data}{data}
|
||||||
Provide data which should be formatted with collapsed whitespaces.
|
Provide data which should be formatted with collapsed whitespaces.
|
||||||
Whitespace from preceeding and successive calls to
|
Whitespace from preceeding and successive calls to
|
||||||
\method{add_flowing_data()} is considered as well when the whitespace
|
\method{add_flowing_data()} is considered as well when the whitespace
|
||||||
|
@ -81,15 +79,15 @@ collapse is performed. The data which is passed to this method is
|
||||||
expected to be word-wrapped by the output device. Note that any
|
expected to be word-wrapped by the output device. Note that any
|
||||||
word-wrapping still must be performed by the writer object due to the
|
word-wrapping still must be performed by the writer object due to the
|
||||||
need to rely on device and font information.
|
need to rely on device and font information.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{add_literal_data}{data}
|
\begin{methoddesc}[formatter]{add_literal_data}{data}
|
||||||
Provide data which should be passed to the writer unchanged.
|
Provide data which should be passed to the writer unchanged.
|
||||||
Whitespace, including newline and tab characters, are considered legal
|
Whitespace, including newline and tab characters, are considered legal
|
||||||
in the value of \var{data}.
|
in the value of \var{data}.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{add_label_data}{format, counter}
|
\begin{methoddesc}[formatter]{add_label_data}{format, counter}
|
||||||
Insert a label which should be placed to the left of the current left
|
Insert a label which should be placed to the left of the current left
|
||||||
margin. This should be used for constructing bulleted or numbered
|
margin. This should be used for constructing bulleted or numbered
|
||||||
lists. If the \var{format} value is a string, it is interpreted as a
|
lists. If the \var{format} value is a string, it is interpreted as a
|
||||||
|
@ -111,74 +109,74 @@ lower case, respectively, and \character{I} and \character{i}
|
||||||
represent the counter value in Roman numerals, in upper and lower
|
represent the counter value in Roman numerals, in upper and lower
|
||||||
case. Note that the alphabetic and roman transforms require that the
|
case. Note that the alphabetic and roman transforms require that the
|
||||||
counter value be greater than zero.
|
counter value be greater than zero.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{flush_softspace}{}
|
\begin{methoddesc}[formatter]{flush_softspace}{}
|
||||||
Send any pending whitespace buffered from a previous call to
|
Send any pending whitespace buffered from a previous call to
|
||||||
\method{add_flowing_data()} to the associated writer object. This
|
\method{add_flowing_data()} to the associated writer object. This
|
||||||
should be called before any direct manipulation of the writer object.
|
should be called before any direct manipulation of the writer object.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{push_alignment}{align}
|
\begin{methoddesc}[formatter]{push_alignment}{align}
|
||||||
Push a new alignment setting onto the alignment stack. This may be
|
Push a new alignment setting onto the alignment stack. This may be
|
||||||
\constant{AS_IS} if no change is desired. If the alignment value is
|
\constant{AS_IS} if no change is desired. If the alignment value is
|
||||||
changed from the previous setting, the writer's \method{new_alignment()}
|
changed from the previous setting, the writer's \method{new_alignment()}
|
||||||
method is called with the \var{align} value.
|
method is called with the \var{align} value.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{pop_alignment}{}
|
\begin{methoddesc}[formatter]{pop_alignment}{}
|
||||||
Restore the previous alignment.
|
Restore the previous alignment.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{push_font}{\code{(}size, italic, bold, teletype\code{)}}
|
\begin{methoddesc}[formatter]{push_font}{\code{(}size, italic, bold, teletype\code{)}}
|
||||||
Change some or all font properties of the writer object. Properties
|
Change some or all font properties of the writer object. Properties
|
||||||
which are not set to \constant{AS_IS} are set to the values passed in
|
which are not set to \constant{AS_IS} are set to the values passed in
|
||||||
while others are maintained at their current settings. The writer's
|
while others are maintained at their current settings. The writer's
|
||||||
\method{new_font()} method is called with the fully resolved font
|
\method{new_font()} method is called with the fully resolved font
|
||||||
specification.
|
specification.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{pop_font}{}
|
\begin{methoddesc}[formatter]{pop_font}{}
|
||||||
Restore the previous font.
|
Restore the previous font.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{push_margin}{margin}
|
\begin{methoddesc}[formatter]{push_margin}{margin}
|
||||||
Increase the number of left margin indentations by one, associating
|
Increase the number of left margin indentations by one, associating
|
||||||
the logical tag \var{margin} with the new indentation. The initial
|
the logical tag \var{margin} with the new indentation. The initial
|
||||||
margin level is \code{0}. Changed values of the logical tag must be
|
margin level is \code{0}. Changed values of the logical tag must be
|
||||||
true values; false values other than \constant{AS_IS} are not
|
true values; false values other than \constant{AS_IS} are not
|
||||||
sufficient to change the margin.
|
sufficient to change the margin.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{pop_margin}{}
|
\begin{methoddesc}[formatter]{pop_margin}{}
|
||||||
Restore the previous margin.
|
Restore the previous margin.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{push_style}{*styles}
|
\begin{methoddesc}[formatter]{push_style}{*styles}
|
||||||
Push any number of arbitrary style specifications. All styles are
|
Push any number of arbitrary style specifications. All styles are
|
||||||
pushed onto the styles stack in order. A tuple representing the
|
pushed onto the styles stack in order. A tuple representing the
|
||||||
entire stack, including \constant{AS_IS} values, is passed to the
|
entire stack, including \constant{AS_IS} values, is passed to the
|
||||||
writer's \method{new_styles()} method.
|
writer's \method{new_styles()} method.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{pop_style}{\optional{n\code{ = 1}}}
|
\begin{methoddesc}[formatter]{pop_style}{\optional{n\code{ = 1}}}
|
||||||
Pop the last \var{n} style specifications passed to
|
Pop the last \var{n} style specifications passed to
|
||||||
\method{push_style()}. A tuple representing the revised stack,
|
\method{push_style()}. A tuple representing the revised stack,
|
||||||
including \constant{AS_IS} values, is passed to the writer's
|
including \constant{AS_IS} values, is passed to the writer's
|
||||||
\method{new_styles()} method.
|
\method{new_styles()} method.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{set_spacing}{spacing}
|
\begin{methoddesc}[formatter]{set_spacing}{spacing}
|
||||||
Set the spacing style for the writer.
|
Set the spacing style for the writer.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{assert_line_data}{\optional{flag\code{ = 1}}}
|
\begin{methoddesc}[formatter]{assert_line_data}{\optional{flag\code{ = 1}}}
|
||||||
Inform the formatter that data has been added to the current paragraph
|
Inform the formatter that data has been added to the current paragraph
|
||||||
out-of-band. This should be used when the writer has been manipulated
|
out-of-band. This should be used when the writer has been manipulated
|
||||||
directly. The optional \var{flag} argument can be set to false if
|
directly. The optional \var{flag} argument can be set to false if
|
||||||
the writer manipulations produced a hard line break at the end of the
|
the writer manipulations produced a hard line break at the end of the
|
||||||
output.
|
output.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
|
|
||||||
\subsection{Formatter Implementations}
|
\subsection{Formatter Implementations}
|
||||||
|
@ -213,21 +211,20 @@ Note that while most applications can use the
|
||||||
\class{AbstractFormatter} class as a formatter, the writer must
|
\class{AbstractFormatter} class as a formatter, the writer must
|
||||||
typically be provided by the application.
|
typically be provided by the application.
|
||||||
|
|
||||||
\setindexsubitem{(writer method)}
|
|
||||||
|
|
||||||
\begin{funcdesc}{flush}{}
|
\begin{methoddesc}[writer]{flush}{}
|
||||||
Flush any buffered output or device control events.
|
Flush any buffered output or device control events.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{new_alignment}{align}
|
\begin{methoddesc}[writer]{new_alignment}{align}
|
||||||
Set the alignment style. The \var{align} value can be any object,
|
Set the alignment style. The \var{align} value can be any object,
|
||||||
but by convention is a string or \code{None}, where \code{None}
|
but by convention is a string or \code{None}, where \code{None}
|
||||||
indicates that the writer's ``preferred'' alignment should be used.
|
indicates that the writer's ``preferred'' alignment should be used.
|
||||||
Conventional \var{align} values are \code{'left'}, \code{'center'},
|
Conventional \var{align} values are \code{'left'}, \code{'center'},
|
||||||
\code{'right'}, and \code{'justify'}.
|
\code{'right'}, and \code{'justify'}.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{new_font}{font}
|
\begin{methoddesc}[writer]{new_font}{font}
|
||||||
Set the font style. The value of \var{font} will be \code{None},
|
Set the font style. The value of \var{font} will be \code{None},
|
||||||
indicating that the device's default font should be used, or a tuple
|
indicating that the device's default font should be used, or a tuple
|
||||||
of the form \code{(}\var{size}, \var{italic}, \var{bold},
|
of the form \code{(}\var{size}, \var{italic}, \var{bold},
|
||||||
|
@ -236,67 +233,67 @@ font that should be used; specific strings and their interpretation
|
||||||
must be defined by the application. The \var{italic}, \var{bold}, and
|
must be defined by the application. The \var{italic}, \var{bold}, and
|
||||||
\var{teletype} values are boolean indicators specifying which of those
|
\var{teletype} values are boolean indicators specifying which of those
|
||||||
font attributes should be used.
|
font attributes should be used.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{new_margin}{margin, level}
|
\begin{methoddesc}[writer]{new_margin}{margin, level}
|
||||||
Set the margin level to the integer \var{level} and the logical tag
|
Set the margin level to the integer \var{level} and the logical tag
|
||||||
to \var{margin}. Interpretation of the logical tag is at the
|
to \var{margin}. Interpretation of the logical tag is at the
|
||||||
writer's discretion; the only restriction on the value of the logical
|
writer's discretion; the only restriction on the value of the logical
|
||||||
tag is that it not be a false value for non-zero values of
|
tag is that it not be a false value for non-zero values of
|
||||||
\var{level}.
|
\var{level}.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{new_spacing}{spacing}
|
\begin{methoddesc}[writer]{new_spacing}{spacing}
|
||||||
Set the spacing style to \var{spacing}.
|
Set the spacing style to \var{spacing}.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{new_styles}{styles}
|
\begin{methoddesc}[writer]{new_styles}{styles}
|
||||||
Set additional styles. The \var{styles} value is a tuple of
|
Set additional styles. The \var{styles} value is a tuple of
|
||||||
arbitrary values; the value \constant{AS_IS} should be ignored. The
|
arbitrary values; the value \constant{AS_IS} should be ignored. The
|
||||||
\var{styles} tuple may be interpreted either as a set or as a stack
|
\var{styles} tuple may be interpreted either as a set or as a stack
|
||||||
depending on the requirements of the application and writer
|
depending on the requirements of the application and writer
|
||||||
implementation.
|
implementation.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{send_line_break}{}
|
\begin{methoddesc}[writer]{send_line_break}{}
|
||||||
Break the current line.
|
Break the current line.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{send_paragraph}{blankline}
|
\begin{methoddesc}[writer]{send_paragraph}{blankline}
|
||||||
Produce a paragraph separation of at least \var{blankline} blank
|
Produce a paragraph separation of at least \var{blankline} blank
|
||||||
lines, or the equivelent. The \var{blankline} value will be an
|
lines, or the equivelent. The \var{blankline} value will be an
|
||||||
integer.
|
integer.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{send_hor_rule}{*args, **kw}
|
\begin{methoddesc}[writer]{send_hor_rule}{*args, **kw}
|
||||||
Display a horizontal rule on the output device. The arguments to this
|
Display a horizontal rule on the output device. The arguments to this
|
||||||
method are entirely application- and writer-specific, and should be
|
method are entirely application- and writer-specific, and should be
|
||||||
interpreted with care. The method implementation may assume that a
|
interpreted with care. The method implementation may assume that a
|
||||||
line break has already been issued via \method{send_line_break()}.
|
line break has already been issued via \method{send_line_break()}.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{send_flowing_data}{data}
|
\begin{methoddesc}[writer]{send_flowing_data}{data}
|
||||||
Output character data which may be word-wrapped and re-flowed as
|
Output character data which may be word-wrapped and re-flowed as
|
||||||
needed. Within any sequence of calls to this method, the writer may
|
needed. Within any sequence of calls to this method, the writer may
|
||||||
assume that spans of multiple whitespace characters have been
|
assume that spans of multiple whitespace characters have been
|
||||||
collapsed to single space characters.
|
collapsed to single space characters.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{send_literal_data}{data}
|
\begin{methoddesc}[writer]{send_literal_data}{data}
|
||||||
Output character data which has already been formatted
|
Output character data which has already been formatted
|
||||||
for display. Generally, this should be interpreted to mean that line
|
for display. Generally, this should be interpreted to mean that line
|
||||||
breaks indicated by newline characters should be preserved and no new
|
breaks indicated by newline characters should be preserved and no new
|
||||||
line breaks should be introduced. The data may contain embedded
|
line breaks should be introduced. The data may contain embedded
|
||||||
newline and tab characters, unlike data provided to the
|
newline and tab characters, unlike data provided to the
|
||||||
\method{send_formatted_data()} interface.
|
\method{send_formatted_data()} interface.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{send_label_data}{data}
|
\begin{methoddesc}[writer]{send_label_data}{data}
|
||||||
Set \var{data} to the left of the current left margin, if possible.
|
Set \var{data} to the left of the current left margin, if possible.
|
||||||
The value of \var{data} is not restricted; treatment of non-string
|
The value of \var{data} is not restricted; treatment of non-string
|
||||||
values is entirely application- and writer-dependent. This method
|
values is entirely application- and writer-dependent. This method
|
||||||
will only be called at the beginning of a line.
|
will only be called at the beginning of a line.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
|
|
||||||
\subsection{Writer Implementations}
|
\subsection{Writer Implementations}
|
||||||
|
|
|
@ -70,53 +70,50 @@ handlers for all HTML 2.0 and many HTML 3.0 and 3.2 elements.
|
||||||
In addition to tag methods, the \class{HTMLParser} class provides some
|
In addition to tag methods, the \class{HTMLParser} class provides some
|
||||||
additional methods and instance variables for use within tag methods.
|
additional methods and instance variables for use within tag methods.
|
||||||
|
|
||||||
\setindexsubitem{(HTMLParser attribute)}
|
\begin{memberdesc}{formatter}
|
||||||
|
|
||||||
\begin{datadesc}{formatter}
|
|
||||||
This is the formatter instance associated with the parser.
|
This is the formatter instance associated with the parser.
|
||||||
\end{datadesc}
|
\end{memberdesc}
|
||||||
|
|
||||||
\begin{datadesc}{nofill}
|
\begin{memberdesc}{nofill}
|
||||||
Boolean flag which should be true when whitespace should not be
|
Boolean flag which should be true when whitespace should not be
|
||||||
collapsed, or false when it should be. In general, this should only
|
collapsed, or false when it should be. In general, this should only
|
||||||
be true when character data is to be treated as ``preformatted'' text,
|
be true when character data is to be treated as ``preformatted'' text,
|
||||||
as within a \code{<PRE>} element. The default value is false. This
|
as within a \code{<PRE>} element. The default value is false. This
|
||||||
affects the operation of \method{handle_data()} and \method{save_end()}.
|
affects the operation of \method{handle_data()} and \method{save_end()}.
|
||||||
\end{datadesc}
|
\end{memberdesc}
|
||||||
|
|
||||||
\setindexsubitem{(HTMLParser method)}
|
|
||||||
|
|
||||||
\begin{funcdesc}{anchor_bgn}{href, name, type}
|
\begin{methoddesc}{anchor_bgn}{href, name, type}
|
||||||
This method is called at the start of an anchor region. The arguments
|
This method is called at the start of an anchor region. The arguments
|
||||||
correspond to the attributes of the \code{<A>} tag with the same
|
correspond to the attributes of the \code{<A>} tag with the same
|
||||||
names. The default implementation maintains a list of hyperlinks
|
names. The default implementation maintains a list of hyperlinks
|
||||||
(defined by the \code{href} attribute) within the document. The list
|
(defined by the \code{href} attribute) within the document. The list
|
||||||
of hyperlinks is available as the data attribute \code{anchorlist}.
|
of hyperlinks is available as the data attribute \code{anchorlist}.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{anchor_end}{}
|
\begin{methoddesc}{anchor_end}{}
|
||||||
This method is called at the end of an anchor region. The default
|
This method is called at the end of an anchor region. The default
|
||||||
implementation adds a textual footnote marker using an index into the
|
implementation adds a textual footnote marker using an index into the
|
||||||
list of hyperlinks created by \method{anchor_bgn()}.
|
list of hyperlinks created by \method{anchor_bgn()}.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{handle_image}{source, alt\optional{, ismap\optional{, align\optional{, width\optional{, height}}}}}
|
\begin{methoddesc}{handle_image}{source, alt\optional{, ismap\optional{, align\optional{, width\optional{, height}}}}}
|
||||||
This method is called to handle images. The default implementation
|
This method is called to handle images. The default implementation
|
||||||
simply passes the \var{alt} value to the \method{handle_data()}
|
simply passes the \var{alt} value to the \method{handle_data()}
|
||||||
method.
|
method.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{save_bgn}{}
|
\begin{methoddesc}{save_bgn}{}
|
||||||
Begins saving character data in a buffer instead of sending it to the
|
Begins saving character data in a buffer instead of sending it to the
|
||||||
formatter object. Retrieve the stored data via \method{save_end()}.
|
formatter object. Retrieve the stored data via \method{save_end()}.
|
||||||
Use of the \method{save_bgn()} / \method{save_end()} pair may not be
|
Use of the \method{save_bgn()} / \method{save_end()} pair may not be
|
||||||
nested.
|
nested.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{save_end}{}
|
\begin{methoddesc}{save_end}{}
|
||||||
Ends buffering character data and returns all data saved since the
|
Ends buffering character data and returns all data saved since the
|
||||||
preceeding call to \method{save_bgn()}. If the \code{nofill} flag is
|
preceeding call to \method{save_bgn()}. If the \code{nofill} flag is
|
||||||
false, whitespace is collapsed to single spaces. A call to this
|
false, whitespace is collapsed to single spaces. A call to this
|
||||||
method without a preceeding call to \method{save_bgn()} will raise a
|
method without a preceeding call to \method{save_bgn()} will raise a
|
||||||
\exception{TypeError} exception.
|
\exception{TypeError} exception.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
|
@ -142,32 +142,31 @@ l/lib/python1.4/test', '/usr/local/lib/python1.4/sunos5', '/usr/local/lib/python
|
||||||
|
|
||||||
\class{PrettyPrinter} instances have the following methods:
|
\class{PrettyPrinter} instances have the following methods:
|
||||||
|
|
||||||
\setindexsubitem{(PrettyPrinter method)}
|
|
||||||
|
|
||||||
\begin{funcdesc}{pformat}{object}
|
\begin{methoddesc}{pformat}{object}
|
||||||
Return the formatted representation of \var{object}. This takes into
|
Return the formatted representation of \var{object}. This takes into
|
||||||
account the options passed to the \class{PrettyPrinter} constructor.
|
Account the options passed to the \class{PrettyPrinter} constructor.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{pprint}{object}
|
\begin{methoddesc}{pprint}{object}
|
||||||
Print the formatted representation of \var{object} on the configured
|
Print the formatted representation of \var{object} on the configured
|
||||||
stream, followed by a newline.
|
stream, followed by a newline.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
The following methods provide the implementations for the
|
The following methods provide the implementations for the
|
||||||
corresponding functions of the same names. Using these methods on an
|
corresponding functions of the same names. Using these methods on an
|
||||||
instance is slightly more efficient since new \class{PrettyPrinter}
|
instance is slightly more efficient since new \class{PrettyPrinter}
|
||||||
objects don't need to be created.
|
objects don't need to be created.
|
||||||
|
|
||||||
\begin{funcdesc}{isreadable}{object}
|
\begin{methoddesc}{isreadable}{object}
|
||||||
Determine if the formatted representation of the object is
|
Determine if the formatted representation of the object is
|
||||||
``readable,'' or can be used to reconstruct the value using
|
``readable,'' or can be used to reconstruct the value using
|
||||||
\function{eval()}\bifuncindex{eval}. Note that this returns false for
|
\function{eval()}\bifuncindex{eval}. Note that this returns false for
|
||||||
recursive objects. If the \var{depth} parameter of the
|
recursive objects. If the \var{depth} parameter of the
|
||||||
\class{PrettyPrinter} is set and the object is deeper than allowed,
|
\class{PrettyPrinter} is set and the object is deeper than allowed,
|
||||||
this returns false.
|
this returns false.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{isrecursive}{object}
|
\begin{methoddesc}{isrecursive}{object}
|
||||||
Determine if the object requires a recursive representation.
|
Determine if the object requires a recursive representation.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
|
@ -1,7 +1,5 @@
|
||||||
\chapter{The Python Profiler}
|
\chapter{The Python Profiler}
|
||||||
\label{profile}
|
\label{profile}
|
||||||
\stmodindex{profile}
|
|
||||||
\stmodindex{pstats}
|
|
||||||
|
|
||||||
Copyright \copyright{} 1994, by InfoSeek Corporation, all rights reserved.
|
Copyright \copyright{} 1994, by InfoSeek Corporation, all rights reserved.
|
||||||
|
|
||||||
|
@ -256,8 +254,9 @@ of algorithms to be directly compared to iterative implementations.
|
||||||
|
|
||||||
|
|
||||||
\section{Reference Manual}
|
\section{Reference Manual}
|
||||||
|
\stmodindex{profile}
|
||||||
|
\label{module-profile}
|
||||||
|
|
||||||
\setindexsubitem{(in module profile)}
|
|
||||||
|
|
||||||
The primary entry point for the profiler is the global function
|
The primary entry point for the profiler is the global function
|
||||||
\function{profile.run()}. It is typically used to create any profile
|
\function{profile.run()}. It is typically used to create any profile
|
||||||
|
@ -269,7 +268,7 @@ Profiler Extensions, which includes discussion of how to derive
|
||||||
``better'' profilers from the classes presented, or reading the source
|
``better'' profilers from the classes presented, or reading the source
|
||||||
code for these modules.
|
code for these modules.
|
||||||
|
|
||||||
\begin{funcdesc}{profile.run}{string\optional{, filename\optional{, ...}}}
|
\begin{funcdesc}{run}{string\optional{, filename\optional{, ...}}}
|
||||||
|
|
||||||
This function takes a single argument that has can be passed to the
|
This function takes a single argument that has can be passed to the
|
||||||
\keyword{exec} statement, and an optional file name. In all cases this
|
\keyword{exec} statement, and an optional file name. In all cases this
|
||||||
|
@ -336,7 +335,8 @@ printed.
|
||||||
Analysis of the profiler data is done using this class from the
|
Analysis of the profiler data is done using this class from the
|
||||||
\module{pstats} module:
|
\module{pstats} module:
|
||||||
|
|
||||||
\setindexsubitem{(in module pstats)}
|
% now switch modules....
|
||||||
|
\stmodindex{pstats}
|
||||||
|
|
||||||
\begin{classdesc}{Stats}{filename\optional{, ...}}
|
\begin{classdesc}{Stats}{filename\optional{, ...}}
|
||||||
This class constructor creates an instance of a ``statistics object''
|
This class constructor creates an instance of a ``statistics object''
|
||||||
|
@ -361,7 +361,7 @@ need to be combined with data in an existing \class{Stats} object, the
|
||||||
|
|
||||||
\setindexsubitem{(Stats method)}
|
\setindexsubitem{(Stats method)}
|
||||||
|
|
||||||
\begin{funcdesc}{strip_dirs}{}
|
\begin{methoddesc}{strip_dirs}{}
|
||||||
This method for the \class{Stats} class removes all leading path
|
This method for the \class{Stats} class removes all leading path
|
||||||
information from file names. It is very useful in reducing the size
|
information from file names. It is very useful in reducing the size
|
||||||
of the printout to fit within (close to) 80 columns. This method
|
of the printout to fit within (close to) 80 columns. This method
|
||||||
|
@ -372,19 +372,19 @@ initialization and loading. If \method{strip_dirs()} causes two
|
||||||
function names to be indistinguishable (i.e., they are on the same
|
function names to be indistinguishable (i.e., they are on the same
|
||||||
line of the same filename, and have the same function name), then the
|
line of the same filename, and have the same function name), then the
|
||||||
statistics for these two entries are accumulated into a single entry.
|
statistics for these two entries are accumulated into a single entry.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
|
|
||||||
\begin{funcdesc}{add}{filename\optional{, ...}}
|
\begin{methoddesc}{add}{filename\optional{, ...}}
|
||||||
This method of the \class{Stats} class accumulates additional
|
This method of the \class{Stats} class accumulates additional
|
||||||
profiling information into the current profiling object. Its
|
profiling information into the current profiling object. Its
|
||||||
arguments should refer to filenames created by the corresponding
|
arguments should refer to filenames created by the corresponding
|
||||||
version of \function{profile.run()}. Statistics for identically named
|
version of \function{profile.run()}. Statistics for identically named
|
||||||
(re: file, line, name) functions are automatically accumulated into
|
(re: file, line, name) functions are automatically accumulated into
|
||||||
single function statistics.
|
single function statistics.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{sort_stats}{key\optional{, ...}}
|
\begin{methoddesc}{sort_stats}{key\optional{, ...}}
|
||||||
This method modifies the \class{Stats} object by sorting it according
|
This method modifies the \class{Stats} object by sorting it according
|
||||||
to the supplied criteria. The argument is typically a string
|
to the supplied criteria. The argument is typically a string
|
||||||
identifying the basis of a sort (example: \code{"time"} or
|
identifying the basis of a sort (example: \code{"time"} or
|
||||||
|
@ -430,18 +430,18 @@ interpreted as \code{"stdname"}, \code{"calls"}, \code{"time"}, and
|
||||||
\code{"cumulative"} respectively. If this old style format (numeric)
|
\code{"cumulative"} respectively. If this old style format (numeric)
|
||||||
is used, only one sort key (the numeric key) will be used, and
|
is used, only one sort key (the numeric key) will be used, and
|
||||||
additional arguments will be silently ignored.
|
additional arguments will be silently ignored.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
|
|
||||||
\begin{funcdesc}{reverse_order}{}
|
\begin{methoddesc}{reverse_order}{}
|
||||||
This method for the \class{Stats} class reverses the ordering of the basic
|
This method for the \class{Stats} class reverses the ordering of the basic
|
||||||
list within the object. This method is provided primarily for
|
list within the object. This method is provided primarily for
|
||||||
compatibility with the old profiler. Its utility is questionable
|
compatibility with the old profiler. Its utility is questionable
|
||||||
now that ascending vs descending order is properly selected based on
|
now that ascending vs descending order is properly selected based on
|
||||||
the sort key of choice.
|
the sort key of choice.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{print_stats}{restriction\optional{, ...}}
|
\begin{methoddesc}{print_stats}{restriction\optional{, ...}}
|
||||||
This method for the \class{Stats} class prints out a report as described
|
This method for the \class{Stats} class prints out a report as described
|
||||||
in the \function{profile.run()} definition.
|
in the \function{profile.run()} definition.
|
||||||
|
|
||||||
|
@ -473,10 +473,10 @@ print_stats("foo:", .1)
|
||||||
|
|
||||||
would limit the list to all functions having file names \samp{.*foo:},
|
would limit the list to all functions having file names \samp{.*foo:},
|
||||||
and then proceed to only print the first 10\% of them.
|
and then proceed to only print the first 10\% of them.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
|
|
||||||
\begin{funcdesc}{print_callers}{restrictions\optional{, ...}}
|
\begin{methoddesc}{print_callers}{restrictions\optional{, ...}}
|
||||||
This method for the \class{Stats} class prints a list of all functions
|
This method for the \class{Stats} class prints a list of all functions
|
||||||
that called each function in the profiled database. The ordering is
|
that called each function in the profiled database. The ordering is
|
||||||
identical to that provided by \method{print_stats()}, and the definition
|
identical to that provided by \method{print_stats()}, and the definition
|
||||||
|
@ -484,16 +484,16 @@ of the restricting argument is also identical. For convenience, a
|
||||||
number is shown in parentheses after each caller to show how many
|
number is shown in parentheses after each caller to show how many
|
||||||
times this specific call was made. A second non-parenthesized number
|
times this specific call was made. A second non-parenthesized number
|
||||||
is the cumulative time spent in the function at the right.
|
is the cumulative time spent in the function at the right.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{print_callees}{restrictions\optional{, ...}}
|
\begin{methoddesc}{print_callees}{restrictions\optional{, ...}}
|
||||||
This method for the \class{Stats} class prints a list of all function
|
This method for the \class{Stats} class prints a list of all function
|
||||||
that were called by the indicated function. Aside from this reversal
|
that were called by the indicated function. Aside from this reversal
|
||||||
of direction of calls (re: called vs was called by), the arguments and
|
of direction of calls (re: called vs was called by), the arguments and
|
||||||
ordering are identical to the \method{print_callers()} method.
|
ordering are identical to the \method{print_callers()} method.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{ignore}{}
|
\begin{methoddesc}{ignore}{}
|
||||||
This method of the \class{Stats} class is used to dispose of the value
|
This method of the \class{Stats} class is used to dispose of the value
|
||||||
returned by earlier methods. All standard methods in this class
|
returned by earlier methods. All standard methods in this class
|
||||||
return the instance that is being processed, so that the commands can
|
return the instance that is being processed, so that the commands can
|
||||||
|
@ -503,7 +503,7 @@ be strung together. For example:
|
||||||
pstats.Stats('foofile').strip_dirs().sort_stats('cum') \
|
pstats.Stats('foofile').strip_dirs().sort_stats('cum') \
|
||||||
.print_stats().ignore()
|
.print_stats().ignore()
|
||||||
\end{verbatim}
|
\end{verbatim}
|
||||||
%
|
|
||||||
would perform all the indicated functions, but it would not return
|
would perform all the indicated functions, but it would not return
|
||||||
the final reference to the \class{Stats} instance.%
|
the final reference to the \class{Stats} instance.%
|
||||||
\footnote{
|
\footnote{
|
||||||
|
@ -511,7 +511,7 @@ This was once necessary, when Python would print any unused expression
|
||||||
result that was not \code{None}. The method is still defined for
|
result that was not \code{None}. The method is still defined for
|
||||||
backward compatibility.
|
backward compatibility.
|
||||||
}
|
}
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
|
|
||||||
\section{Limitations}
|
\section{Limitations}
|
||||||
|
|
|
@ -37,34 +37,32 @@ other queue organizations (e.g. stack) but the inheritable interface
|
||||||
is not described here. See the source code for details. The public
|
is not described here. See the source code for details. The public
|
||||||
methods are:
|
methods are:
|
||||||
|
|
||||||
\setindexsubitem{(Queue method)}
|
\begin{methoddesc}{qsize}{}
|
||||||
|
|
||||||
\begin{funcdesc}{qsize}{}
|
|
||||||
Returns the approximate size of the queue. Because of multithreading
|
Returns the approximate size of the queue. Because of multithreading
|
||||||
semantics, this number is not reliable.
|
semantics, this number is not reliable.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{empty}{}
|
\begin{methoddesc}{empty}{}
|
||||||
Returns \code{1} if the queue is empty, \code{0} otherwise. Because
|
Returns \code{1} if the queue is empty, \code{0} otherwise. Because
|
||||||
of multithreading semantics, this is not reliable.
|
of multithreading semantics, this is not reliable.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{full}{}
|
\begin{methoddesc}{full}{}
|
||||||
Returns \code{1} if the queue is full, \code{0} otherwise. Because of
|
Returns \code{1} if the queue is full, \code{0} otherwise. Because of
|
||||||
multithreading semantics, this is not reliable.
|
multithreading semantics, this is not reliable.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{put}{item}
|
\begin{methoddesc}{put}{item}
|
||||||
Puts \var{item} into the queue.
|
Puts \var{item} into the queue.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{get}{}
|
\begin{methoddesc}{get}{}
|
||||||
Gets and returns an item from the queue, blocking if necessary until
|
Gets and returns an item from the queue, blocking if necessary until
|
||||||
one is available.
|
one is available.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{get_nowait}{}
|
\begin{methoddesc}{get_nowait}{}
|
||||||
Gets and returns an item from the queue if one is immediately
|
Gets and returns an item from the queue if one is immediately
|
||||||
available. Raises an \exception{Empty} exception if the queue is
|
available. Raises an \exception{Empty} exception if the queue is
|
||||||
empty or if the queue's emptiness cannot be determined.
|
empty or if the queue's emptiness cannot be determined.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
|
@ -38,37 +38,36 @@ spaces, tabs, and newlines are allowed between the trailing
|
||||||
|
|
||||||
\class{SGMLParser} instances have the following interface methods:
|
\class{SGMLParser} instances have the following interface methods:
|
||||||
|
|
||||||
\setindexsubitem{(SGMLParser method)}
|
|
||||||
|
|
||||||
\begin{funcdesc}{reset}{}
|
\begin{methoddesc}{reset}{}
|
||||||
Reset the instance. Loses all unprocessed data. This is called
|
Reset the instance. Loses all unprocessed data. This is called
|
||||||
implicitly at instantiation time.
|
implicitly at instantiation time.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{setnomoretags}{}
|
\begin{methoddesc}{setnomoretags}{}
|
||||||
Stop processing tags. Treat all following input as literal input
|
Stop processing tags. Treat all following input as literal input
|
||||||
(CDATA). (This is only provided so the HTML tag \code{<PLAINTEXT>}
|
(CDATA). (This is only provided so the HTML tag \code{<PLAINTEXT>}
|
||||||
can be implemented.)
|
can be implemented.)
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{setliteral}{}
|
\begin{methoddesc}{setliteral}{}
|
||||||
Enter literal mode (CDATA mode).
|
Enter literal mode (CDATA mode).
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{feed}{data}
|
\begin{methoddesc}{feed}{data}
|
||||||
Feed some text to the parser. It is processed insofar as it consists
|
Feed some text to the parser. It is processed insofar as it consists
|
||||||
of complete elements; incomplete data is buffered until more data is
|
of complete elements; incomplete data is buffered until more data is
|
||||||
fed or \method{close()} is called.
|
fed or \method{close()} is called.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{close}{}
|
\begin{methoddesc}{close}{}
|
||||||
Force processing of all buffered data as if it were followed by an
|
Force processing of all buffered data as if it were followed by an
|
||||||
end-of-file mark. This method may be redefined by a derived class to
|
end-of-file mark. This method may be redefined by a derived class to
|
||||||
define additional processing at the end of the input, but the
|
define additional processing at the end of the input, but the
|
||||||
redefined version should always call \method{close()}.
|
redefined version should always call \method{close()}.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{handle_starttag}{tag, method, attributes}
|
\begin{methoddesc}{handle_starttag}{tag, method, attributes}
|
||||||
This method is called to handle start tags for which either a
|
This method is called to handle start tags for which either a
|
||||||
\code{start_\var{tag}()} or \code{do_\var{tag}()} method has been
|
\code{start_\var{tag}()} or \code{do_\var{tag}()} method has been
|
||||||
defined. The \var{tag} argument is the name of the tag converted to
|
defined. The \var{tag} argument is the name of the tag converted to
|
||||||
|
@ -82,9 +81,9 @@ instance, for the tag \code{<A HREF="http://www.cwi.nl/">}, this
|
||||||
method would be called as \samp{unknown_starttag('a', [('href',
|
method would be called as \samp{unknown_starttag('a', [('href',
|
||||||
'http://www.cwi.nl/')])}. The base implementation simply calls
|
'http://www.cwi.nl/')])}. The base implementation simply calls
|
||||||
\var{method} with \var{attributes} as the only argument.
|
\var{method} with \var{attributes} as the only argument.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{handle_endtag}{tag, method}
|
\begin{methoddesc}{handle_endtag}{tag, method}
|
||||||
This method is called to handle endtags for which an
|
This method is called to handle endtags for which an
|
||||||
\code{end_\var{tag}()} method has been defined. The \var{tag}
|
\code{end_\var{tag}()} method has been defined. The \var{tag}
|
||||||
argument is the name of the tag converted to lower case, and the
|
argument is the name of the tag converted to lower case, and the
|
||||||
|
@ -93,15 +92,15 @@ support semantic interpretation of the end tag. If no
|
||||||
\code{end_\var{tag}()} method is defined for the closing element,
|
\code{end_\var{tag}()} method is defined for the closing element,
|
||||||
this handler is not called. The base implementation simply calls
|
this handler is not called. The base implementation simply calls
|
||||||
\var{method}.
|
\var{method}.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{handle_data}{data}
|
\begin{methoddesc}{handle_data}{data}
|
||||||
This method is called to process arbitrary data. It is intended to be
|
This method is called to process arbitrary data. It is intended to be
|
||||||
overridden by a derived class; the base class implementation does
|
overridden by a derived class; the base class implementation does
|
||||||
nothing.
|
nothing.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{handle_charref}{ref}
|
\begin{methoddesc}{handle_charref}{ref}
|
||||||
This method is called to process a character reference of the form
|
This method is called to process a character reference of the form
|
||||||
\samp{\&\#\var{ref};}. In the base implementation, \var{ref} must
|
\samp{\&\#\var{ref};}. In the base implementation, \var{ref} must
|
||||||
be a decimal number in the
|
be a decimal number in the
|
||||||
|
@ -111,9 +110,9 @@ method \method{handle_data()} with the character as argument. If
|
||||||
\code{unknown_charref(\var{ref})} is called to handle the error. A
|
\code{unknown_charref(\var{ref})} is called to handle the error. A
|
||||||
subclass must override this method to provide support for named
|
subclass must override this method to provide support for named
|
||||||
character entities.
|
character entities.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{handle_entityref}{ref}
|
\begin{methoddesc}{handle_entityref}{ref}
|
||||||
This method is called to process a general entity reference of the
|
This method is called to process a general entity reference of the
|
||||||
form \samp{\&\var{ref};} where \var{ref} is an general entity
|
form \samp{\&\var{ref};} where \var{ref} is an general entity
|
||||||
reference. It looks for \var{ref} in the instance (or class)
|
reference. It looks for \var{ref} in the instance (or class)
|
||||||
|
@ -124,46 +123,46 @@ with the translation; otherwise, it calls the method
|
||||||
\code{unknown_entityref(\var{ref})}. The default \member{entitydefs}
|
\code{unknown_entityref(\var{ref})}. The default \member{entitydefs}
|
||||||
defines translations for \code{\&}, \code{\&apos}, \code{\>},
|
defines translations for \code{\&}, \code{\&apos}, \code{\>},
|
||||||
\code{\<}, and \code{\"}.
|
\code{\<}, and \code{\"}.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{handle_comment}{comment}
|
\begin{methoddesc}{handle_comment}{comment}
|
||||||
This method is called when a comment is encountered. The
|
This method is called when a comment is encountered. The
|
||||||
\var{comment} argument is a string containing the text between the
|
\var{comment} argument is a string containing the text between the
|
||||||
\samp{<!--} and \samp{-->} delimiters, but not the delimiters
|
\samp{<!--} and \samp{-->} delimiters, but not the delimiters
|
||||||
themselves. For example, the comment \samp{<!--text-->} will
|
themselves. For example, the comment \samp{<!--text-->} will
|
||||||
cause this method to be called with the argument \code{'text'}. The
|
cause this method to be called with the argument \code{'text'}. The
|
||||||
default method does nothing.
|
default method does nothing.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{report_unbalanced}{tag}
|
\begin{methoddesc}{report_unbalanced}{tag}
|
||||||
This method is called when an end tag is found which does not
|
This method is called when an end tag is found which does not
|
||||||
correspond to any open element.
|
correspond to any open element.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{unknown_starttag}{tag, attributes}
|
\begin{methoddesc}{unknown_starttag}{tag, attributes}
|
||||||
This method is called to process an unknown start tag. It is intended
|
This method is called to process an unknown start tag. It is intended
|
||||||
to be overridden by a derived class; the base class implementation
|
to be overridden by a derived class; the base class implementation
|
||||||
does nothing.
|
does nothing.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{unknown_endtag}{tag}
|
\begin{methoddesc}{unknown_endtag}{tag}
|
||||||
This method is called to process an unknown end tag. It is intended
|
This method is called to process an unknown end tag. It is intended
|
||||||
to be overridden by a derived class; the base class implementation
|
to be overridden by a derived class; the base class implementation
|
||||||
does nothing.
|
does nothing.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{unknown_charref}{ref}
|
\begin{methoddesc}{unknown_charref}{ref}
|
||||||
This method is called to process unresolvable numeric character
|
This method is called to process unresolvable numeric character
|
||||||
references. Refer to \method{handle_charref()} to determine what is
|
references. Refer to \method{handle_charref()} to determine what is
|
||||||
handled by default. It is intended to be overridden by a derived
|
handled by default. It is intended to be overridden by a derived
|
||||||
class; the base class implementation does nothing.
|
class; the base class implementation does nothing.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{unknown_entityref}{ref}
|
\begin{methoddesc}{unknown_entityref}{ref}
|
||||||
This method is called to process an unknown entity reference. It is
|
This method is called to process an unknown entity reference. It is
|
||||||
intended to be overridden by a derived class; the base class
|
intended to be overridden by a derived class; the base class
|
||||||
implementation does nothing.
|
implementation does nothing.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
Apart from overriding or extending the methods listed above, derived
|
Apart from overriding or extending the methods listed above, derived
|
||||||
classes may also define methods of the following form to define
|
classes may also define methods of the following form to define
|
||||||
|
@ -171,22 +170,22 @@ processing of specific tags. Tag names in the input stream are case
|
||||||
independent; the \var{tag} occurring in method names must be in lower
|
independent; the \var{tag} occurring in method names must be in lower
|
||||||
case:
|
case:
|
||||||
|
|
||||||
\begin{funcdescni}{start_\var{tag}}{attributes}
|
\begin{methoddescni}{start_\var{tag}}{attributes}
|
||||||
This method is called to process an opening tag \var{tag}. It has
|
This method is called to process an opening tag \var{tag}. It has
|
||||||
preference over \code{do_\var{tag}()}. The \var{attributes}
|
preference over \code{do_\var{tag}()}. The \var{attributes}
|
||||||
argument has the same meaning as described for
|
argument has the same meaning as described for
|
||||||
\method{handle_starttag()} above.
|
\method{handle_starttag()} above.
|
||||||
\end{funcdescni}
|
\end{methoddescni}
|
||||||
|
|
||||||
\begin{funcdescni}{do_\var{tag}}{attributes}
|
\begin{methoddescni}{do_\var{tag}}{attributes}
|
||||||
This method is called to process an opening tag \var{tag} that does
|
This method is called to process an opening tag \var{tag} that does
|
||||||
not come with a matching closing tag. The \var{attributes} argument
|
not come with a matching closing tag. The \var{attributes} argument
|
||||||
has the same meaning as described for \method{handle_starttag()} above.
|
has the same meaning as described for \method{handle_starttag()} above.
|
||||||
\end{funcdescni}
|
\end{methoddescni}
|
||||||
|
|
||||||
\begin{funcdescni}{end_\var{tag}}{}
|
\begin{methoddescni}{end_\var{tag}}{}
|
||||||
This method is called to process a closing tag \var{tag}.
|
This method is called to process a closing tag \var{tag}.
|
||||||
\end{funcdescni}
|
\end{methoddescni}
|
||||||
|
|
||||||
Note that the parser maintains a stack of open elements for which no
|
Note that the parser maintains a stack of open elements for which no
|
||||||
end tag has been found yet. Only tags processed by
|
end tag has been found yet. Only tags processed by
|
||||||
|
|
|
@ -3,15 +3,21 @@
|
||||||
|
|
||||||
\stmodindex{StringIO}
|
\stmodindex{StringIO}
|
||||||
|
|
||||||
This module implements a file-like class, \code{StringIO},
|
This module implements a file-like class, \class{StringIO},
|
||||||
that reads and writes a string buffer (also known as \emph{memory
|
that reads and writes a string buffer (also known as \emph{memory
|
||||||
files}). See the description on file objects for operations.
|
files}). See the description on file objects for operations.
|
||||||
|
|
||||||
When a \code{StringIO} object is created, it can be initialized
|
\begin{classdesc}{StringIO}{\optional{buffer}}
|
||||||
|
When a \class{StringIO} object is created, it can be initialized
|
||||||
to an existing string by passing the string to the constructor.
|
to an existing string by passing the string to the constructor.
|
||||||
If no string is given, the \code{StringIO} will start empty.
|
If no string is given, the \class{StringIO} will start empty.
|
||||||
|
\end{classdesc}
|
||||||
|
|
||||||
The method \code{getvalue()} can be called to retrieve the entire
|
\begin{methoddesc}{getvalue}{}
|
||||||
contents of the ``file'' at any time before the \code{StringIO}
|
Retrieve the entire contents of the ``file'' at any time before the
|
||||||
object's \code{close()} method is called. Calling \code{close()} will
|
\class{StringIO} object's \method{close()} method is called.
|
||||||
free the memory buffer.
|
\end{methoddesc}
|
||||||
|
|
||||||
|
\begin{methoddesc}{close}{}
|
||||||
|
Free the memory buffer.
|
||||||
|
\end{methoddesc}
|
||||||
|
|
|
@ -707,30 +707,28 @@ device or writing a file opened for reading.
|
||||||
Files have the following methods:
|
Files have the following methods:
|
||||||
|
|
||||||
|
|
||||||
\setindexsubitem{(file method)}
|
\begin{methoddesc}[file]{close}{}
|
||||||
|
|
||||||
\begin{funcdesc}{close}{}
|
|
||||||
Close the file. A closed file cannot be read or written anymore.
|
Close the file. A closed file cannot be read or written anymore.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{flush}{}
|
\begin{methoddesc}[file]{flush}{}
|
||||||
Flush the internal buffer, like \code{stdio}'s \code{fflush()}.
|
Flush the internal buffer, like \code{stdio}'s \code{fflush()}.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{isatty}{}
|
\begin{methoddesc}[file]{isatty}{}
|
||||||
Return \code{1} if the file is connected to a tty(-like) device, else
|
Return \code{1} if the file is connected to a tty(-like) device, else
|
||||||
\code{0}.
|
\code{0}.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{fileno}{}
|
\begin{methoddesc}[file]{fileno}{}
|
||||||
Return the integer ``file descriptor'' that is used by the underlying
|
Return the integer ``file descriptor'' that is used by the underlying
|
||||||
implementation to request I/O operations from the operating system.
|
implementation to request I/O operations from the operating system.
|
||||||
This can be useful for other, lower level interfaces that use file
|
This can be useful for other, lower level interfaces that use file
|
||||||
descriptors, e.g. module \code{fcntl} or \code{os.read()} and friends.
|
descriptors, e.g. module \code{fcntl} or \code{os.read()} and friends.
|
||||||
\refbimodindex{fcntl}
|
\refbimodindex{fcntl}
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{read}{\optional{size}}
|
\begin{methoddesc}[file]{read}{\optional{size}}
|
||||||
Read at most \var{size} bytes from the file (less if the read hits
|
Read at most \var{size} bytes from the file (less if the read hits
|
||||||
\EOF{} or no more data is immediately available on a pipe, tty or
|
\EOF{} or no more data is immediately available on a pipe, tty or
|
||||||
similar device). If the \var{size} argument is negative or omitted,
|
similar device). If the \var{size} argument is negative or omitted,
|
||||||
|
@ -738,9 +736,9 @@ descriptors, e.g. module \code{fcntl} or \code{os.read()} and friends.
|
||||||
object. An empty string is returned when \EOF{} is encountered
|
object. An empty string is returned when \EOF{} is encountered
|
||||||
immediately. (For certain files, like ttys, it makes sense to
|
immediately. (For certain files, like ttys, it makes sense to
|
||||||
continue reading after an \EOF{} is hit.)
|
continue reading after an \EOF{} is hit.)
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{readline}{\optional{size}}
|
\begin{methoddesc}[file]{readline}{\optional{size}}
|
||||||
Read one entire line from the file. A trailing newline character is
|
Read one entire line from the file. A trailing newline character is
|
||||||
kept in the string%
|
kept in the string%
|
||||||
\footnote{The advantage of leaving the newline on is that an empty string
|
\footnote{The advantage of leaving the newline on is that an empty string
|
||||||
|
@ -757,71 +755,71 @@ descriptors, e.g. module \code{fcntl} or \code{os.read()} and friends.
|
||||||
immediately. Note: unlike \code{stdio}'s \code{fgets()}, the returned
|
immediately. Note: unlike \code{stdio}'s \code{fgets()}, the returned
|
||||||
string contains null characters (\code{'\e 0'}) if they occurred in the
|
string contains null characters (\code{'\e 0'}) if they occurred in the
|
||||||
input.
|
input.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{readlines}{\optional{sizehint}}
|
\begin{methoddesc}[file]{readlines}{\optional{sizehint}}
|
||||||
Read until \EOF{} using \code{readline()} and return a list containing
|
Read until \EOF{} using \code{readline()} and return a list containing
|
||||||
the lines thus read. If the optional \var{sizehint} argument is
|
the lines thus read. If the optional \var{sizehint} argument is
|
||||||
present, instead of reading up to \EOF{}, whole lines totalling
|
present, instead of reading up to \EOF{}, whole lines totalling
|
||||||
approximately \var{sizehint} bytes (possibly after rounding up to an
|
approximately \var{sizehint} bytes (possibly after rounding up to an
|
||||||
internal buffer size) are read.
|
internal buffer size) are read.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{seek}{offset, whence}
|
\begin{methoddesc}[file]{seek}{offset, whence}
|
||||||
Set the file's current position, like \code{stdio}'s \code{fseek()}.
|
Set the file's current position, like \code{stdio}'s \code{fseek()}.
|
||||||
The \var{whence} argument is optional and defaults to \code{0}
|
The \var{whence} argument is optional and defaults to \code{0}
|
||||||
(absolute file positioning); other values are \code{1} (seek
|
(absolute file positioning); other values are \code{1} (seek
|
||||||
relative to the current position) and \code{2} (seek relative to the
|
relative to the current position) and \code{2} (seek relative to the
|
||||||
file's end). There is no return value.
|
file's end). There is no return value.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{tell}{}
|
\begin{methoddesc}[file]{tell}{}
|
||||||
Return the file's current position, like \code{stdio}'s \code{ftell()}.
|
Return the file's current position, like \code{stdio}'s \code{ftell()}.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{truncate}{\optional{size}}
|
\begin{methoddesc}[file]{truncate}{\optional{size}}
|
||||||
Truncate the file's size. If the optional size argument present, the
|
Truncate the file's size. If the optional size argument present, the
|
||||||
file is truncated to (at most) that size. The size defaults to the
|
file is truncated to (at most) that size. The size defaults to the
|
||||||
current position. Availability of this function depends on the
|
current position. Availability of this function depends on the
|
||||||
operating system version (e.g., not all \UNIX{} versions support this
|
operating system version (e.g., not all \UNIX{} versions support this
|
||||||
operation).
|
operation).
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{write}{str}
|
\begin{methoddesc}[file]{write}{str}
|
||||||
Write a string to the file. There is no return value. Note: due to
|
Write a string to the file. There is no return value. Note: due to
|
||||||
buffering, the string may not actually show up in the file until
|
buffering, the string may not actually show up in the file until
|
||||||
the \code{flush()} or \code{close()} method is called.
|
the \code{flush()} or \code{close()} method is called.
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
\begin{funcdesc}{writelines}{list}
|
\begin{methoddesc}[file]{writelines}{list}
|
||||||
Write a list of strings to the file. There is no return value.
|
Write a list of strings to the file. There is no return value.
|
||||||
(The name is intended to match \code{readlines}; \code{writelines}
|
(The name is intended to match \code{readlines}; \code{writelines}
|
||||||
does not add line separators.)
|
does not add line separators.)
|
||||||
\end{funcdesc}
|
\end{methoddesc}
|
||||||
|
|
||||||
File objects also offer the following attributes:
|
File objects also offer the following attributes:
|
||||||
|
|
||||||
\setindexsubitem{(file attribute)}
|
\setindexsubitem{(file attribute)}
|
||||||
|
|
||||||
\begin{datadesc}{closed}
|
\begin{memberdesc}[file]{closed}
|
||||||
Boolean indicating the current state of the file object. This is a
|
Boolean indicating the current state of the file object. This is a
|
||||||
read-only attribute; the \method{close()} method changes the value.
|
read-only attribute; the \method{close()} method changes the value.
|
||||||
\end{datadesc}
|
\end{memberdesc}
|
||||||
|
|
||||||
\begin{datadesc}{mode}
|
\begin{memberdesc}[file]{mode}
|
||||||
The I/O mode for the file. If the file was created using the
|
The I/O mode for the file. If the file was created using the
|
||||||
\function{open()} built-in function, this will be the value of the
|
\function{open()} built-in function, this will be the value of the
|
||||||
\var{mode} parameter. This is a read-only attribute.
|
\var{mode} parameter. This is a read-only attribute.
|
||||||
\end{datadesc}
|
\end{memberdesc}
|
||||||
|
|
||||||
\begin{datadesc}{name}
|
\begin{memberdesc}[file]{name}
|
||||||
If the file object was created using \function{open()}, the name of
|
If the file object was created using \function{open()}, the name of
|
||||||
the file. Otherwise, some string that indicates the source of the
|
the file. Otherwise, some string that indicates the source of the
|
||||||
file object, of the form \samp{<\mbox{\ldots}>}. This is a read-only
|
file object, of the form \samp{<\mbox{\ldots}>}. This is a read-only
|
||||||
attribute.
|
attribute.
|
||||||
\end{datadesc}
|
\end{memberdesc}
|
||||||
|
|
||||||
\begin{datadesc}{softspace}
|
\begin{memberdesc}[file]{softspace}
|
||||||
Boolean that indicates whether a space character needs to be printed
|
Boolean that indicates whether a space character needs to be printed
|
||||||
before another value when using the \keyword{print} statement.
|
before another value when using the \keyword{print} statement.
|
||||||
Classes that are trying to simulate a file object should also have a
|
Classes that are trying to simulate a file object should also have a
|
||||||
|
@ -829,7 +827,7 @@ writable \code{softspace} attribute, which should be initialized to
|
||||||
zero. This will be automatic for classes implemented in Python; types
|
zero. This will be automatic for classes implemented in Python; types
|
||||||
implemented in \C{} will have to provide a writable \code{softspace}
|
implemented in \C{} will have to provide a writable \code{softspace}
|
||||||
attribute.
|
attribute.
|
||||||
\end{datadesc}
|
\end{memberdesc}
|
||||||
|
|
||||||
\subsubsection{Internal Objects}
|
\subsubsection{Internal Objects}
|
||||||
|
|
||||||
|
|
Loading…
Reference in New Issue