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Python Programming On Win32 by Mark Hammond, Andy Robinson

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module os.path: Common Pathname Manipulations

This module implements some useful functions on pathnames:

abspath(path )

Returns a normalized, absolute version of the pathname path. On most platforms, this is equivalent to normpath(join(os.getcwd()), path ). New in Version 1.5.2.

basename(path )

Returns the base name of pathname path. This is the second half of the pair returned by split( path ).

commonprefix(list )

Returns the longest string that is a prefix of all strings in list. If list is empty, returns the empty string (' ').

dirname(path )

Returns the directory name of pathname path. This is the first half of the pair returned by split( path ).

exists(path )

Returns true if path refers to an existing path.

expanduser(path )

Returns the argument with an initial component of "~" or "~user" replaced by that user’s home directory. An initial “~” is replaced by the environment variable $HOME; an initial "~user" is looked up in the password directory through the built-in module pwd. If the expansion fails, or if the path doesn’t begin with a tilde, the path is returned unchanged. On the Macintosh, this always returns path unchanged.

expandvars(path )

Returns the argument with environment variables expanded. Substrings of the form $name or ${name} are replaced by the value of environment variable name. Malformed variable names and references to nonexisting variables are left unchanged. On the Macintosh, this always returns path unchanged.

getatime(path )

Returns the time of last ...

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