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chunkiter: handle large reads more efficiently - for large reads, don't attempt to read more than necessary - if we've gathered the exact number of bytes needed, avoid a string copy
author Matt Mackall <mpm@selenic.com>
date Thu, 11 Oct 2007 00:46:52 -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])