Mercurial > hg > mercurial-crew-with-dirclash
view mercurial/node.py @ 5327:f46ab9cacd3c
dirstate: speed up read and write
read:
- single call to len(st)
- fewer assignments for position tracking
- don't split apart tuple from unpack
- use a literal for the unpack spec
write:
- localize variables and functions
- avoid copied function call
- use % for string concatenation
| author | Matt Mackall <mpm@selenic.com> |
|---|---|
| date | Mon, 24 Sep 2007 12:41:54 -0500 |
| parents | e45fc5d03798 |
| children |
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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, incorporated herein by reference. """ 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])