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comparison mercurial/util.py @ 12051:ff5cec76b1c5 stable 1.6.3

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util: avoid using hashlib on Python < 2.5 (issue2278) The following patch allows the use of python2.4 with a standalone hashlib rather than assuming that python2.5 is in use when hashlib is imported successfully.
author Sol Jerome <sol.jerome@gmail.com>
date Tue, 17 Aug 2010 17:38:19 -0500
parents a79214972da2
children 5d22e631c365 b6173aee4a47
comparison
equal deleted inserted replaced
12050:c5fd25c1bc4a 12051:ff5cec76b1c5
26 26
27 def _fastsha1(s): 27 def _fastsha1(s):
28 # This function will import sha1 from hashlib or sha (whichever is 28 # This function will import sha1 from hashlib or sha (whichever is
29 # available) and overwrite itself with it on the first call. 29 # available) and overwrite itself with it on the first call.
30 # Subsequent calls will go directly to the imported function. 30 # Subsequent calls will go directly to the imported function.
31 try: 31 if sys.version_info >= (2, 5):
32 from hashlib import sha1 as _sha1 32 from hashlib import sha1 as _sha1
33 except ImportError: 33 else:
34 from sha import sha as _sha1 34 from sha import sha as _sha1
35 global _fastsha1, sha1 35 global _fastsha1, sha1
36 _fastsha1 = sha1 = _sha1 36 _fastsha1 = sha1 = _sha1
37 return _sha1(s) 37 return _sha1(s)
38 38