view mercurial/node.py @ 4507:289ec1f36b11

Use atomictemp files to write the dirstate. atomic files are not safe in all cases.
author Alexis S. L. Carvalho <alexis@cecm.usp.br>
date Tue, 05 Jun 2007 19:55:27 -0300
parents abaee83ce0a6
children e45fc5d03798
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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

def hex(node):
    return binascii.hexlify(node)

def bin(node):
    return binascii.unhexlify(node)

def short(node):
    return hex(node[:6])