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More bytes vs. strings documentation.
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@ -710,10 +710,11 @@ are always available. They are listed here in alphabetical order.
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Open a file. If the file cannot be opened, :exc:`IOError` is raised.
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*file* is either a string giving the name (and the path if the file isn't in
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the current working directory) of the file to be opened or an integer file
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descriptor of the file to be wrapped. (If a file descriptor is given, it is
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closed when the returned I/O object is closed, unless *closefd* is set to
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*file* is either a string or bytes object giving the name (and the
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path if the file isn't in the current working directory) of the
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file to be opened or an integer file descriptor of the file to be
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wrapped. (If a file descriptor is given, it is closed when the
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returned I/O object is closed, unless *closefd* is set to
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``False``.)
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*mode* is an optional string that specifies the mode in which the file is
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@ -10,7 +10,14 @@
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This module implements some useful functions on pathnames. To read or
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write files see :func:`open`, and for accessing the filesystem see the
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:mod:`os` module.
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:mod:`os` module. The path parameters can be passed as either strings,
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or bytes. Applications are encouraged to represent file names as
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(Unicode) character strings. Unfortunately, some file names may not be
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representable as strings on Unix, so applications that need to support
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arbitrary file names on Unix should use bytes objects to represent
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path names. Vice versa, using bytes objects cannot represent all file
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names on Windows (in the standard ``mbcs`` encoding), hence Windows
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applications should use string objects to access all files.
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.. warning::
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@ -694,6 +694,8 @@ Files and Directories
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.. function:: getcwd()
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Return a string representing the current working directory.
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May raise UnicodeDecodeError if the current directory path fails
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to decode in the file system encoding.
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Availability: Unix, Windows.
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