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view mercurial/node.py @ 4976:79c39cc9ff69

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revlog: only allow lazy parsing with revlogng files This will allow us to store indices in memory in a single entry format
author Matt Mackall <mpm@selenic.com>
date Mon, 23 Jul 2007 20:44:08 -0500
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])