Santoso Wijaya <santoso.wij...@gmail.com> added the comment: Additionally, there might be issues in other APIs when handling with extended path lengths:
D:\Temp\tempdir>dir Volume in drive D is Data Volume Serial Number is 7E3D-EC81 Directory of D:\Temp\tempdir 10/24/2011 04:22 PM <DIR> . 10/24/2011 04:22 PM <DIR> .. 10/24/2011 04:28 PM <DIR> AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA 10/24/2011 01:31 PM <DIR> sub1 10/24/2011 03:39 PM 262 test1.txt 1 File(s) 262 bytes 4 Dir(s) 244,483,321,856 bytes free D:\Temp\tempdir>cd AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAA D:\Temp\tempdir\AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAA>dir Volume in drive D is Data Volume Serial Number is 7E3D-EC81 Directory of D:\Temp\tempdir\AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAA 10/24/2011 04:28 PM <DIR> . 10/24/2011 04:28 PM <DIR> .. 10/24/2011 04:14 PM 0 1234567.txt 10/24/2011 04:28 PM <DIR> BBBBBBBBBBBBB 1 File(s) 0 bytes 3 Dir(s) 244,483,321,856 bytes free Python 3.2 (r32:88445, Feb 20 2011, 21:30:00) [MSC v.1500 64 bit (AMD64)] on win 32 Type "help", "copyright", "credits" or "license" for more information. >>> import os >>> subdir = 'B'*13 >>> os.path.isdir(subdir) False >>> os.getcwd() 'D:\\Temp\\tempdir\\AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAA' >>> subdir_abs = os.path.join(os.getcwd(), subdir) >>> os.path.isdir(subdir) False >>> subdir_ext = r'\\?\%s' % subdir_abs >>> os.path.isdir(subdir_ext) True In the above example, perhaps a ValueError('path too long') is better than returning False? ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue13234> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com