Mercurial > hg
view mercurial/node.py @ 18776:87441497ecaa
grep: use re2 if possible
Since re2 is enormously faster than Python's re module, this should
help performance, ceteris paribus. grep currently has other huge
performance problems that mask any gain :-(
author | Bryan O'Sullivan <bryano@fb.com> |
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date | Mon, 11 Mar 2013 12:07:33 -0700 |
parents | 25e572394f5c |
children | 1a5211f2f87f |
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# node.py - basic nodeid manipulation for mercurial # # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com> # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. import binascii nullrev = -1 nullid = "\0" * 20 # This ugly style has a noticeable effect in manifest parsing hex = binascii.hexlify bin = binascii.unhexlify def short(node): return hex(node[:6])