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annotate mercurial/diffutil.py @ 49599:48e38b179106 stable

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demandimport: fix a crash in LazyFinder.__delattr__ I was tinkering with `with hgdemandimport.deactivated()` wrapped around loading the keyring module, and got spew that seemed to be confirmed by PyCharm. But I can't believe we haven't seen this before (and phabricator uses the same pattern): ** Unknown exception encountered with possibly-broken third-party extension "mercurial_keyring" 1.4.3 (keyring 23.11.0, backend unknown) ** which supports versions unknown of Mercurial. ** Please disable "mercurial_keyring" and try your action again. ** If that fixes the bug please report it to https://foss.heptapod.net/mercurial/mercurial_keyring/issues ** Python 3.9.15 (main, Oct 13 2022, 04:28:25) [GCC 7.5.0] ** Mercurial Distributed SCM (version 6.3.1) ** Extensions loaded: absorb, attorc 20220315, blackbox, eol, extdiff, fastannotate, lfs, mercurial_keyring 1.4.3 (keyring 23.11.0, backend unknown), phabblocker 20220315, phabricator 20220315, purge, rebase, schemes, share, show, strip, uncommit Traceback (most recent call last): File "/usr/local/bin/hg", line 59, in <module> dispatch.run() File "/usr/local/lib/python3.9/site-packages/mercurial/dispatch.py", line 143, in run status = dispatch(req) File "/usr/local/lib/python3.9/site-packages/mercurial/dispatch.py", line 232, in dispatch status = _rundispatch(req) File "/usr/local/lib/python3.9/site-packages/mercurial/dispatch.py", line 276, in _rundispatch ret = _runcatch(req) or 0 File "/usr/local/lib/python3.9/site-packages/mercurial/dispatch.py", line 451, in _runcatch return _callcatch(ui, _runcatchfunc) File "/usr/local/lib/python3.9/site-packages/mercurial/dispatch.py", line 461, in _callcatch return scmutil.callcatch(ui, func) File "/usr/local/lib/python3.9/site-packages/mercurial/scmutil.py", line 153, in callcatch return func() File "/usr/local/lib/python3.9/site-packages/mercurial/dispatch.py", line 441, in _runcatchfunc return _dispatch(req) File "/usr/local/lib/python3.9/site-packages/mercurial/dispatch.py", line 1265, in _dispatch return runcommand( File "/usr/local/lib/python3.9/site-packages/mercurial/dispatch.py", line 899, in runcommand ret = _runcommand(ui, options, cmd, d) File "/usr/local/lib/python3.9/site-packages/mercurial/dispatch.py", line 1277, in _runcommand return cmdfunc() File "/usr/local/lib/python3.9/site-packages/mercurial/dispatch.py", line 1263, in <lambda> d = lambda: util.checksignature(func)(ui, *args, **strcmdopt) File "/usr/local/lib/python3.9/site-packages/mercurial/util.py", line 1880, in check return func(*args, **kwargs) File "/root/mercurial_keyring/mercurial_keyring/mercurial_keyring.py", line 962, in cmd_keyring_check user, pwd, source, final_url = handler.get_credentials( File "/root/mercurial_keyring/mercurial_keyring/mercurial_keyring.py", line 497, in get_credentials keyring_pwd = password_store.get_http_password(keyring_url, actual_user) File "/root/mercurial_keyring/mercurial_keyring/mercurial_keyring.py", line 287, in get_http_password return self._read_password_from_keyring( File "/root/mercurial_keyring/mercurial_keyring/mercurial_keyring.py", line 335, in _read_password_from_keyring keyring = import_keyring() >> `with hgdemandimport.deactivated()` inserted here File "/root/mercurial_keyring/mercurial_keyring/mercurial_keyring.py", line 120, in import_keyring return _import_keyring() File "/root/mercurial_keyring/mercurial_keyring/mercurial_keyring.py", line 133, in _import_keyring mod, was_imported_now = meu.direct_import_ext( File "/usr/lib/python3.9/site-packages/mercurial_extension_utils.py", line 1381, in direct_import_ext __import__(module_name) File "<frozen importlib._bootstrap>", line 1007, in _find_and_load File "<frozen importlib._bootstrap>", line 986, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 680, in _load_unlocked File "/usr/local/lib/python3.9/site-packages/hgdemandimport/demandimportpy3.py", line 46, in exec_module self.loader.exec_module(module) File "/usr/lib/python3.9/site-packages/keyring/__init__.py", line 1, in <module> from .core import ( File "<frozen importlib._bootstrap>", line 1007, in _find_and_load File "<frozen importlib._bootstrap>", line 986, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 680, in _load_unlocked File "/usr/local/lib/python3.9/site-packages/hgdemandimport/demandimportpy3.py", line 46, in exec_module self.loader.exec_module(module) File "/usr/lib/python3.9/site-packages/keyring/core.py", line 11, in <module> from . import backend, credentials File "<frozen importlib._bootstrap>", line 1007, in _find_and_load File "<frozen importlib._bootstrap>", line 986, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 680, in _load_unlocked File "/usr/local/lib/python3.9/site-packages/hgdemandimport/demandimportpy3.py", line 46, in exec_module self.loader.exec_module(module) File "/usr/lib/python3.9/site-packages/keyring/backend.py", line 13, in <module> from .py312compat import metadata File "<frozen importlib._bootstrap>", line 1007, in _find_and_load File "<frozen importlib._bootstrap>", line 986, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 680, in _load_unlocked File "/usr/local/lib/python3.9/site-packages/hgdemandimport/demandimportpy3.py", line 46, in exec_module self.loader.exec_module(module) File "/usr/lib/python3.9/site-packages/keyring/py312compat.py", line 10, in <module> import importlib_metadata as metadata # type: ignore File "<frozen importlib._bootstrap>", line 1007, in _find_and_load File "<frozen importlib._bootstrap>", line 986, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 680, in _load_unlocked File "/usr/local/lib/python3.9/site-packages/hgdemandimport/demandimportpy3.py", line 46, in exec_module self.loader.exec_module(module) File "/usr/lib/python3.9/site-packages/importlib_metadata/__init__.py", line 715, in <module> class MetadataPathFinder(NullFinder, DistributionFinder): File "/usr/lib/python3.9/site-packages/importlib_metadata/_compat.py", line 24, in install disable_stdlib_finder() File "/usr/lib/python3.9/site-packages/importlib_metadata/_compat.py", line 43, in disable_stdlib_finder del finder.find_distributions File "/usr/local/lib/python3.9/site-packages/hgdemandimport/demandimportpy3.py", line 88, in __delattr__ return delattr(object.__getattribute__(self, "_finder")) TypeError: delattr expected 2 arguments, got 1
author Matt Harbison <matt_harbison@yahoo.com>
date Thu, 08 Dec 2022 21:45:47 -0500
parents 6000f5b25c9b
children b8cac4e37100 024e0580b853
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1 # diffutil.py - utility functions related to diff and patch
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2 #
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3 # Copyright 2006 Brendan Cully <brendan@kublai.com>
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4 # Copyright 2007 Chris Mason <chris.mason@oracle.com>
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5 # Copyright 2018 Octobus <octobus@octobus.net>
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6 #
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7 # This software may be used and distributed according to the terms of the
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8 # GNU General Public License version 2 or any later version.
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9
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11 from .i18n import _
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12
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13 from . import (
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14 mdiff,
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15 pycompat,
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16 )
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17
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18
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19 def diffallopts(
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20 ui, opts=None, untrusted=False, section=b'diff', configprefix=b''
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21 ):
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22 '''return diffopts with all features supported and parsed'''
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23 return difffeatureopts(
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24 ui,
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25 opts=opts,
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26 untrusted=untrusted,
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27 section=section,
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28 git=True,
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29 whitespace=True,
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30 formatchanging=True,
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31 configprefix=configprefix,
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32 )
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34
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35 def difffeatureopts(
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36 ui,
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37 opts=None,
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38 untrusted=False,
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39 section=b'diff',
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40 git=False,
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41 whitespace=False,
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42 formatchanging=False,
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43 configprefix=b'',
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44 ):
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45 """return diffopts with only opted-in features parsed
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46
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47 Features:
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48 - git: git-style diffs
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49 - whitespace: whitespace options like ignoreblanklines and ignorews
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50 - formatchanging: options that will likely break or cause correctness issues
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51 with most diff parsers
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52 """
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53
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54 def get(key, name=None, getter=ui.configbool, forceplain=None):
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55 if opts:
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56 v = opts.get(key)
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57 # diffopts flags are either None-default (which is passed
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58 # through unchanged, so we can identify unset values), or
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59 # some other falsey default (eg --unified, which defaults
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60 # to an empty string). We only want to override the config
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61 # entries from hgrc with command line values if they
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62 # appear to have been set, which is any truthy value,
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63 # True, or False.
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64 if v or isinstance(v, bool):
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65 return v
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66 if forceplain is not None and ui.plain():
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67 return forceplain
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68 return getter(
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69 section, configprefix + (name or key), untrusted=untrusted
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70 )
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71
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72 # core options, expected to be understood by every diff parser
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73 buildopts = {
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74 b'nodates': get(b'nodates'),
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75 b'showfunc': get(b'show_function', b'showfunc'),
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76 b'context': get(b'unified', getter=ui.config),
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77 }
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78 buildopts[b'xdiff'] = ui.configbool(b'experimental', b'xdiff')
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79
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80 if git:
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81 buildopts[b'git'] = get(b'git')
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82
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83 # since this is in the experimental section, we need to call
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84 # ui.configbool directory
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85 buildopts[b'showsimilarity'] = ui.configbool(
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86 b'experimental', b'extendedheader.similarity'
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87 )
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88
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89 # need to inspect the ui object instead of using get() since we want to
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90 # test for an int
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91 hconf = ui.config(b'experimental', b'extendedheader.index')
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92 if hconf is not None:
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93 hlen = None
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94 try:
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95 # the hash config could be an integer (for length of hash) or a
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96 # word (e.g. short, full, none)
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97 hlen = int(hconf)
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98 if hlen < 0 or hlen > 40:
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99 msg = _(b"invalid length for extendedheader.index: '%d'\n")
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100 ui.warn(msg % hlen)
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101 except ValueError:
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102 # default value
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103 if hconf == b'short' or hconf == b'':
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104 hlen = 12
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105 elif hconf == b'full':
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106 hlen = 40
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107 elif hconf != b'none':
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108 msg = _(b"invalid value for extendedheader.index: '%s'\n")
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109 ui.warn(msg % hconf)
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110 finally:
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111 buildopts[b'index'] = hlen
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112
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Siddharth Agarwal <sid0@fb.com>
parents: 23432
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113 if whitespace:
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114 buildopts[b'ignorews'] = get(b'ignore_all_space', b'ignorews')
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115 buildopts[b'ignorewsamount'] = get(
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116 b'ignore_space_change', b'ignorewsamount'
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117 )
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118 buildopts[b'ignoreblanklines'] = get(
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119 b'ignore_blank_lines', b'ignoreblanklines'
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120 )
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121 buildopts[b'ignorewseol'] = get(b'ignore_space_at_eol', b'ignorewseol')
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Siddharth Agarwal <sid0@fb.com>
parents: 23433
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122 if formatchanging:
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123 buildopts[b'text'] = opts and opts.get(b'text')
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124 binary = None if opts is None else opts.get(b'binary')
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125 buildopts[b'nobinary'] = (
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126 not binary
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127 if binary is not None
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128 else get(b'nobinary', forceplain=False)
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129 )
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130 buildopts[b'noprefix'] = get(b'noprefix', forceplain=False)
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131 buildopts[b'worddiff'] = get(
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132 b'word_diff', b'word-diff', forceplain=False
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133 )
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134
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Pulkit Goyal <7895pulkit@gmail.com>
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135 return mdiff.diffopts(**pycompat.strkwargs(buildopts))