view mercurial/node.py @ 10281:e7d3b509af8b

Introduce check-code.py check-code is a simple regex-based framework for checking our code and tests for common style and portability errors. Currently, it knows a fair amount about our Python and C style, and a little about common shell script portability problems.
author Matt Mackall <mpm@selenic.com>
date Mon, 25 Jan 2010 00:05:22 -0600
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])