node.py
47 lines
| 1.5 KiB
| text/x-python
|
PythonLexer
/ mercurial / node.py
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r8226 | # 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 | ||||
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r10263 | # GNU General Public License version 2 or any later version. | ||
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r1089 | |||
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r25962 | from __future__ import absolute_import | ||
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r3877 | import binascii | ||
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r1089 | |||
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r26980 | # This ugly style has a noticeable effect in manifest parsing | ||
hex = binascii.hexlify | ||||
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r36256 | # Adapt to Python 3 API changes. If this ends up showing up in | ||
# profiles, we can use this version only on Python 3, and forward | ||||
# binascii.unhexlify like we used to on Python 2. | ||||
def bin(s): | ||||
try: | ||||
return binascii.unhexlify(s) | ||||
except binascii.Error as e: | ||||
raise TypeError(e) | ||||
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r26980 | |||
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r3578 | nullrev = -1 | ||
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r39178 | # In hex, this is '0000000000000000000000000000000000000000' | ||
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r28585 | nullid = b"\0" * 20 | ||
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r26980 | nullhex = hex(nullid) | ||
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r1089 | |||
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r30360 | # Phony node value to stand-in for new files in some uses of | ||
# manifests. | ||||
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r39178 | # In hex, this is '2121212121212121212121212121212121212121' | ||
newnodeid = '!!!!!!!!!!!!!!!!!!!!' | ||||
# In hex, this is '0000000000000000000000000000006164646564' | ||||
addednodeid = '000000000000000added' | ||||
# In hex, this is '0000000000000000000000006d6f646966696564' | ||||
modifiednodeid = '000000000000modified' | ||||
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r30360 | |||
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r37466 | wdirfilenodeids = {newnodeid, addednodeid, modifiednodeid} | ||
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r30360 | |||
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r25737 | # pseudo identifiers for working directory | ||
# (they are experimental, so don't add too many dependencies on them) | ||||
wdirrev = 0x7fffffff | ||||
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r39178 | # In hex, this is 'ffffffffffffffffffffffffffffffffffffffff' | ||
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r28585 | wdirid = b"\xff" * 20 | ||
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r32684 | wdirhex = hex(wdirid) | ||
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r25737 | |||
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r1089 | def short(node): | ||
return hex(node[:6]) | ||||