sapling/eden/scm/edenscm/mercurial/node.py
Mateusz Kwapich 3cfb8a6a7c py3: node: get rid of extra encoding
Summary:
The extra call to encode makes everything a big slower, fortunately python
standard library provides functions that do the right thing.

Reviewed By: xavierd

Differential Revision: D19634034

fbshipit-source-id: 6bb0de26300c41667824422c016e8d4f0aee70d3
2020-01-29 16:48:41 -08:00

50 lines
1.2 KiB
Python

# Portions Copyright (c) Facebook, Inc. and its affiliates.
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2.
# 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.
from __future__ import absolute_import
import binascii
import sys
# This ugly style has a noticeable effect in manifest parsing
bhex = binascii.hexlify
bbin = binascii.unhexlify
if sys.version_info.major == 3:
bin = bbin
hex = bytes.hex
else:
bin = bbin
hex = bhex
nullrev = -1
nullid = b"\0" * 20
nullhex = hex(nullid)
# Phony node value to stand-in for new files in some uses of
# manifests.
newnodeid = b"!" * 20
addednodeid = (b"0" * 15) + b"added"
modifiednodeid = (b"0" * 12) + b"modified"
wdirnodes = {newnodeid, addednodeid, modifiednodeid}
# pseudo identifiers for working directory
# (they are experimental, so don't add too many dependencies on them)
wdirrev = 0x7FFFFFFF
wdirid = b"\xff" * 20
wdirhex = hex(wdirid)
def short(node):
return hex(node[:6])