view mercurial/node.py @ 3578:3b4e00cba57a

Define and use nullrev (revision of nullid) instead of -1.
author Thomas Arendsen Hein <thomas@intevation.de>
date Sun, 29 Oct 2006 10:53:51 +0100
parents 345bac2bc4ec
children abaee83ce0a6
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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.
"""

from demandload import demandload
demandload(globals(), "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])