annotate contrib/python3-ratchet.py @ 45628:7f033a587414

log: extract function that builds (revs, makefilematcher) from walkopts "hg grep" and "hg churn" will use this interface.
author Yuya Nishihara <yuya@tcha.org>
date Thu, 10 Sep 2020 17:44:34 +0900
parents 9f70512ae2cf
children 89a2afe31e82
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1 # Copyright 2012 Facebook
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2 #
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3 # This software may be used and distributed according to the terms of the
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4 # GNU General Public License version 2 or any later version.
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5 """Find tests that newly pass under Python 3.
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6
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7 The approach is simple: we maintain a whitelist of Python 3 passing
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8 tests in the repository, and periodically run all the /other/ tests
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9 and look for new passes. Any newly passing tests get automatically
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10 added to the whitelist.
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11
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12 You probably want to run it like this:
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13
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14 $ cd tests
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15 $ python3 ../contrib/python3-ratchet.py \
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16 > --working-tests=../contrib/python3-whitelist
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17 """
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18 from __future__ import print_function
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19 from __future__ import absolute_import
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20
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21 import argparse
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22 import json
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23 import os
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24 import subprocess
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25 import sys
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26
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27 _hgenv = dict(os.environ)
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28 _hgenv.update(
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29 {'HGPLAIN': '1',}
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30 )
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31
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32 _HG_FIRST_CHANGE = '9117c6561b0bd7792fa13b50d28239d51b78e51f'
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33
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34
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35 def _runhg(*args):
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36 return subprocess.check_output(args, env=_hgenv)
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37
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38
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39 def _is_hg_repo(path):
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40 return (
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41 _runhg('hg', 'log', '-R', path, '-r0', '--template={node}').strip()
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42 == _HG_FIRST_CHANGE
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43 )
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44
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45
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46 def _py3default():
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47 if sys.version_info[0] >= 3:
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48 return sys.executable
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49 return 'python3'
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50
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51
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52 def main(argv=()):
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53 p = argparse.ArgumentParser()
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54 p.add_argument(
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55 '--working-tests', help='List of tests that already work in Python 3.'
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56 )
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57 p.add_argument(
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58 '--commit-to-repo',
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59 help='If set, commit newly fixed tests to the given repo',
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60 )
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61 p.add_argument(
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62 '-j',
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63 default=os.sysconf('SC_NPROCESSORS_ONLN'),
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64 type=int,
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65 help='Number of parallel tests to run.',
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66 )
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67 p.add_argument(
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68 '--python3',
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69 default=_py3default(),
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70 help='python3 interpreter to use for test run',
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71 )
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72 p.add_argument(
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73 '--commit-user',
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74 default='python3-ratchet@mercurial-scm.org',
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75 help='Username to specify when committing to a repo.',
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76 )
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77 opts = p.parse_args(argv)
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78 if opts.commit_to_repo:
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79 if not _is_hg_repo(opts.commit_to_repo):
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80 print('abort: specified repository is not the hg repository')
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81 sys.exit(1)
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82 if not opts.working_tests or not os.path.isfile(opts.working_tests):
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83 print(
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84 'abort: --working-tests must exist and be a file (got %r)'
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85 % opts.working_tests
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86 )
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87 sys.exit(1)
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88 elif opts.commit_to_repo:
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89 root = _runhg('hg', 'root').strip()
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90 if not opts.working_tests.startswith(root):
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91 print(
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92 'abort: if --commit-to-repo is given, '
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93 '--working-tests must be from that repo'
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94 )
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95 sys.exit(1)
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96 try:
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97 subprocess.check_call(
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98 [
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99 opts.python3,
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100 '-c',
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101 'import sys ; '
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102 'assert ((3, 5) <= sys.version_info < (3, 6) '
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103 'or sys.version_info >= (3, 6, 2))',
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104 ]
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105 )
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106 except subprocess.CalledProcessError:
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107 print(
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108 'warning: Python 3.6.0 and 3.6.1 have '
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109 'a bug which breaks Mercurial'
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110 )
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111 print('(see https://bugs.python.org/issue29714 for details)')
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112 sys.exit(1)
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113
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114 rt = subprocess.Popen(
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115 [
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116 opts.python3,
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117 'run-tests.py',
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118 '-j',
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119 str(opts.j),
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120 '--blacklist',
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121 opts.working_tests,
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122 '--json',
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123 ]
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124 )
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125 rt.wait()
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126 with open('report.json') as f:
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127 data = f.read()
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128 report = json.loads(data.split('=', 1)[1])
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129 newpass = set()
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130 for test, result in report.items():
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131 if result['result'] != 'success':
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132 continue
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133 # A new passing test! Huzzah!
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134 newpass.add(test)
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135 if newpass:
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136 # We already validated the repo, so we can just dive right in
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137 # and commit.
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138 if opts.commit_to_repo:
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139 print(len(newpass), 'new passing tests on Python 3!')
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140 with open(opts.working_tests) as f:
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141 oldpass = {l for l in f.read().splitlines() if l}
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142 with open(opts.working_tests, 'w') as f:
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143 for p in sorted(oldpass | newpass):
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144 f.write('%s\n' % p)
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145 _runhg(
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146 'hg',
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147 'commit',
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148 '-R',
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149 opts.commit_to_repo,
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150 '--user',
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151 opts.commit_user,
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152 '--message',
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153 'python3: expand list of passing tests',
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154 )
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155 else:
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156 print('Newly passing tests:', '\n'.join(sorted(newpass)))
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157 sys.exit(2)
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158
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159
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160 if __name__ == '__main__':
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161 main(sys.argv[1:])