Mercurial > cpython-lru_cache-weakref
diff Lib/ntpath.py @ 64495:f6dfd6c563e1
Implement #7566 - os.path.sameopenfile for Windows.
This uses the GetFileInformationByHandle function to return a tuple of values
to identify a file, then ntpath.sameopenfile compares file tuples, which
is exposed as os.path.sameopenfile.
| author | Brian Curtin <brian.curtin@gmail.com> |
|---|---|
| date | Mon, 06 Sep 2010 17:07:27 +0000 |
| parents | 6f5ba71316e7 |
| children | 541338795950 |
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--- a/Lib/ntpath.py Mon Sep 06 16:29:29 2010 +0000 +++ b/Lib/ntpath.py Mon Sep 06 17:07:27 2010 +0000 @@ -10,6 +10,7 @@ import stat import genericpath from genericpath import * +from nt import _getfileinformation __all__ = ["normcase","isabs","join","splitdrive","split","splitext", "basename","dirname","commonprefix","getsize","getmtime", @@ -17,7 +18,7 @@ "ismount", "expanduser","expandvars","normpath","abspath", "splitunc","curdir","pardir","sep","pathsep","defpath","altsep", "extsep","devnull","realpath","supports_unicode_filenames","relpath", - "samefile",] + "samefile", "sameopenfile",] # strings representing various path-related bits and pieces # These are primarily for export; internally, they are hardcoded. @@ -652,3 +653,7 @@ # Also, on other operating systems, fake this method with a # Windows-XP approximation. return abspath(f1) == abspath(f2) + +def sameopenfile(f1, f2): + """Test whether two file objects reference the same file""" + return _getfileinformation(f1) == _getfileinformation(f2)