annotate mercurial/node.py @ 37084:f0b6fbea00cf

stringutil: bulk-replace call sites to point to new module This might conflict with other patches floating around, sorry.
author Yuya Nishihara <yuya@tcha.org>
date Thu, 22 Mar 2018 21:56:20 +0900
parents f574cc00831a
children d7114f883505
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Martin Geisler <mg@lazybytes.net>
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1 # node.py - basic nodeid manipulation for mercurial
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2 #
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3 # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>
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4 #
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5 # This software may be used and distributed according to the terms of the
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6 # GNU General Public License version 2 or any later version.
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7
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8 from __future__ import absolute_import
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9
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10 import binascii
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11
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12 # This ugly style has a noticeable effect in manifest parsing
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13 hex = binascii.hexlify
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14 # Adapt to Python 3 API changes. If this ends up showing up in
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15 # profiles, we can use this version only on Python 3, and forward
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16 # binascii.unhexlify like we used to on Python 2.
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17 def bin(s):
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18 try:
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19 return binascii.unhexlify(s)
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20 except binascii.Error as e:
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21 raise TypeError(e)
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22
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23 nullrev = -1
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24 nullid = b"\0" * 20
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25 nullhex = hex(nullid)
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26
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27 # Phony node value to stand-in for new files in some uses of
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28 # manifests.
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29 newnodeid = '!' * 20
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30 addednodeid = ('0' * 15) + 'added'
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31 modifiednodeid = ('0' * 12) + 'modified'
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32
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33 wdirnodes = {newnodeid, addednodeid, modifiednodeid}
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34
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35 # pseudo identifiers for working directory
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36 # (they are experimental, so don't add too many dependencies on them)
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37 wdirrev = 0x7fffffff
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38 wdirid = b"\xff" * 20
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39 wdirhex = hex(wdirid)
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40
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41 def short(node):
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42 return hex(node[:6])