mirror of https://github.com/python/cpython
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\section{Standard Modules \sectcode{anydbm} and \sectcode{dumbdbm}}
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\label{module-anydbm}
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\label{module-dumbdbm}
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\stmodindex{anydbm}
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\stmodindex{dumbdbm}
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\code{anydbm} is a generic interface to variants of the DBM
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\module{anydbm} is a generic interface to variants of the DBM
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database--DBM, GDBM, or dbhash. If none of these modules is
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installed, the slow-but-simple implementation in module \code{dumbdbm}
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installed, the slow-but-simple implementation in module \module{dumbdbm}
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will be used. Both modules provide the same interface:
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% not the best solution, but it's what you get for documenting both
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@ -12,7 +14,7 @@ will be used. Both modules provide the same interface:
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\setindexsubitem{(in modules anydbm, dumbdbm)}
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\begin{funcdesc}{open}{filename\optional{\, flag\, mode}}
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Open the database file \var{filename} and return a corresponding object.
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Open the database file \var{filename} and return a corresponding object.
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The optional \var{flag} argument can be
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\code{'r'} to open an existing database for reading only,
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\code{'w'} to open an existing database for reading and writing,
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@ -25,13 +27,13 @@ only when the database has to be created. It defaults to octal
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\code{0666} (and will be modified by the prevailing umask).
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\end{funcdesc}
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The object returned by \code{open()} supports most of the same
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The object returned by \function{open()} supports most of the same
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functionality as dictionaries; keys and their corresponding values can
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be stored, retrieved, and deleted, and the \code{has_key()} and
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\code{keys()} methods are available. Keys and values must always be
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be stored, retrieved, and deleted, and the \method{has_key()} and
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\method{keys()} methods are available. Keys and values must always be
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strings.
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Both modules also export the exception \code{error}, which is raised
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for various problems. The \code{anydbm.error} exception is simply a
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different name for the \code{error} exception of the underlying
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implementation module used.
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Both modules also export the exception \exception{error}, which is
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raised for various problems. The \exception{anydbm.error} exception
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is simply a different name for the \exception{error} exception of the
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underlying implementation module used.
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@ -1,4 +1,5 @@
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\section{Standard Module \sectcode{errno}}
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\label{module-errno}
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\stmodindex{errno}
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\setindexsubitem{(in module errno)}
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The module also defines the dictionary variable \code{errorcode} which
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maps numeric error codes back to their symbol names, so that e.g.
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\code{errno.errorcode[errno.EPERM] == 'EPERM'}. To translate a
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numeric error code to an error message, use \code{os.strerror()}.
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\samp{errno.errorcode[errno.EPERM] == 'EPERM'}. To translate a
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numeric error code to an error message, use \function{os.strerror()}.
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Symbols available can include:
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\begin{datadesc}{EPERM} Operation not permitted \end{datadesc}
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@ -1,10 +1,12 @@
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\section{Standard Modules \sectcode{anydbm} and \sectcode{dumbdbm}}
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\label{module-anydbm}
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\label{module-dumbdbm}
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\stmodindex{anydbm}
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\stmodindex{dumbdbm}
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\code{anydbm} is a generic interface to variants of the DBM
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\module{anydbm} is a generic interface to variants of the DBM
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database--DBM, GDBM, or dbhash. If none of these modules is
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installed, the slow-but-simple implementation in module \code{dumbdbm}
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installed, the slow-but-simple implementation in module \module{dumbdbm}
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will be used. Both modules provide the same interface:
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% not the best solution, but it's what you get for documenting both
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@ -12,7 +14,7 @@ will be used. Both modules provide the same interface:
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\setindexsubitem{(in modules anydbm, dumbdbm)}
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\begin{funcdesc}{open}{filename\optional{\, flag\, mode}}
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Open the database file \var{filename} and return a corresponding object.
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Open the database file \var{filename} and return a corresponding object.
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The optional \var{flag} argument can be
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\code{'r'} to open an existing database for reading only,
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\code{'w'} to open an existing database for reading and writing,
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@ -25,13 +27,13 @@ only when the database has to be created. It defaults to octal
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\code{0666} (and will be modified by the prevailing umask).
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\end{funcdesc}
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The object returned by \code{open()} supports most of the same
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The object returned by \function{open()} supports most of the same
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functionality as dictionaries; keys and their corresponding values can
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be stored, retrieved, and deleted, and the \code{has_key()} and
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\code{keys()} methods are available. Keys and values must always be
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be stored, retrieved, and deleted, and the \method{has_key()} and
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\method{keys()} methods are available. Keys and values must always be
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strings.
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Both modules also export the exception \code{error}, which is raised
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for various problems. The \code{anydbm.error} exception is simply a
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different name for the \code{error} exception of the underlying
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implementation module used.
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Both modules also export the exception \exception{error}, which is
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raised for various problems. The \exception{anydbm.error} exception
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is simply a different name for the \exception{error} exception of the
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underlying implementation module used.
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@ -1,4 +1,5 @@
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\section{Standard Module \sectcode{errno}}
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\label{module-errno}
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\stmodindex{errno}
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\setindexsubitem{(in module errno)}
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@ -12,8 +13,8 @@ module.
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The module also defines the dictionary variable \code{errorcode} which
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maps numeric error codes back to their symbol names, so that e.g.
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\code{errno.errorcode[errno.EPERM] == 'EPERM'}. To translate a
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numeric error code to an error message, use \code{os.strerror()}.
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\samp{errno.errorcode[errno.EPERM] == 'EPERM'}. To translate a
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numeric error code to an error message, use \function{os.strerror()}.
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Symbols available can include:
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\begin{datadesc}{EPERM} Operation not permitted \end{datadesc}
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