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comparison mercurial/win32.py @ 49305:53e9422a9b45

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py3: catch FileExistsError instead of checking errno == EEXIST
author Manuel Jacob <me@manueljacob.de>
date Tue, 31 May 2022 21:16:17 +0200
parents d44e3c45f0e4
children a9faacdc5943
comparison
equal deleted inserted replaced
49304:48f1b314056b 49305:53e9422a9b45
733 # implicit zombie filename blocking on a temporary name. 733 # implicit zombie filename blocking on a temporary name.
734 734
735 for tries in range(10): 735 for tries in range(10):
736 temp = b'%s-%08x' % (f, random.randint(0, 0xFFFFFFFF)) 736 temp = b'%s-%08x' % (f, random.randint(0, 0xFFFFFFFF))
737 try: 737 try:
738 os.rename(f, temp) # raises OSError EEXIST if temp exists 738 os.rename(f, temp)
739 break 739 break
740 except OSError as e: 740 except FileExistsError:
741 if e.errno != errno.EEXIST: 741 pass
742 raise
743 else: 742 else:
744 raise IOError(errno.EEXIST, "No usable temporary filename found") 743 raise IOError(errno.EEXIST, "No usable temporary filename found")
745 744
746 try: 745 try:
747 os.unlink(temp) 746 os.unlink(temp)