mirror of https://github.com/python/cpython
28 lines
1.1 KiB
TeX
28 lines
1.1 KiB
TeX
\section{Standard Module \module{copy_reg}}
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% Note that the label is a little off; the underscore causes LaTeX to
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% yell & scream.
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\label{module-copyreg}
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\stmodindex{copy_reg}
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The \code{copy_reg} module provides support for the
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\code{pickle}\refstmodindex{pickle} and
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\code{cPickle}\refbimodindex{cPickle} modules. The
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\code{copy}\refstmodindex{copy} module is likely to use this in the
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future as well. It provides configuration information about object
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constructors which are not classes. Such constructors may be factory
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functions or class instances.
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\begin{funcdesc}{constructor}{object}
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Declares \var{object} to be a valid constructor.
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\end{funcdesc}
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\begin{funcdesc}{pickle}{type, function\optional{, constructor}}
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Declares that \var{function} should be used as a ``reduction''
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function for objects of type or class \var{type}. \var{function}
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should return either a string or a tuple. The optional
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\var{constructor} parameter, if provided, is a callable object which
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can be used to reconstruct the object when called with the tuple of
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arguments returned by \var{function} at pickling time.
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\end{funcdesc}
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