annotate contrib/python3-ratchet.py @ 40592:83e571ea06a9

commandserver: attach prompt default and choices to message These attributes are important to provide a GUI prompt to user.
author Yuya Nishihara <yuya@tcha.org>
date Sun, 04 Nov 2018 12:17:20 +0900
parents 3790610c2793
children 2372284d9457
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28f429d19a71 contrib: add a ratchet for tests in Python 3
Augie Fackler <augie@google.com>
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1 # Copyright 2012 Facebook
28f429d19a71 contrib: add a ratchet for tests in Python 3
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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 def _runhg(*args):
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35 return subprocess.check_output(args, env=_hgenv)
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36
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37 def _is_hg_repo(path):
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38 return _runhg('hg', 'log', '-R', path,
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39 '-r0', '--template={node}').strip() == _HG_FIRST_CHANGE
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40
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41 def _py3default():
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42 if sys.version_info[0] >= 3:
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43 return sys.executable
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44 return 'python3'
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45
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46 def main(argv=()):
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47 p = argparse.ArgumentParser()
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48 p.add_argument('--working-tests',
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49 help='List of tests that already work in Python 3.')
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50 p.add_argument('--commit-to-repo',
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51 help='If set, commit newly fixed tests to the given repo')
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52 p.add_argument('-j', default=os.sysconf(r'SC_NPROCESSORS_ONLN'), type=int,
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53 help='Number of parallel tests to run.')
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54 p.add_argument('--python3', default=_py3default(),
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55 help='python3 interpreter to use for test run')
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56 p.add_argument('--commit-user',
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57 default='python3-ratchet@mercurial-scm.org',
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58 help='Username to specify when committing to a repo.')
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59 opts = p.parse_args(argv)
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60 if opts.commit_to_repo:
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61 if not _is_hg_repo(opts.commit_to_repo):
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62 print('abort: specified repository is not the hg repository')
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63 sys.exit(1)
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64 if not opts.working_tests or not os.path.isfile(opts.working_tests):
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65 print('abort: --working-tests must exist and be a file (got %r)' %
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66 opts.working_tests)
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67 sys.exit(1)
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68 elif opts.commit_to_repo:
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69 root = _runhg('hg', 'root').strip()
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70 if not opts.working_tests.startswith(root):
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71 print('abort: if --commit-to-repo is given, '
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72 '--working-tests must be from that repo')
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73 sys.exit(1)
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74 try:
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75 subprocess.check_call([opts.python3, '-c',
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76 'import sys ; '
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77 'assert ((3, 5) <= sys.version_info < (3, 6) '
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78 'or sys.version_info >= (3, 6, 2))'])
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79 except subprocess.CalledProcessError:
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80 print('warning: Python 3.6.0 and 3.6.1 have '
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81 'a bug which breaks Mercurial')
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82 print('(see https://bugs.python.org/issue29714 for details)')
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83 sys.exit(1)
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84
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85 rt = subprocess.Popen([opts.python3, 'run-tests.py', '-j', str(opts.j),
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86 '--blacklist', opts.working_tests, '--json'])
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87 rt.wait()
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88 with open('report.json') as f:
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89 data = f.read()
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90 report = json.loads(data.split('=', 1)[1])
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91 newpass = set()
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92 for test, result in report.items():
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93 if result['result'] != 'success':
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94 continue
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95 # A new passing test! Huzzah!
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96 newpass.add(test)
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97 if newpass:
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98 # We already validated the repo, so we can just dive right in
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99 # and commit.
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100 if opts.commit_to_repo:
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101 print(len(newpass), 'new passing tests on Python 3!')
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102 with open(opts.working_tests) as f:
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103 oldpass = {l for l in f.read().splitlines() if l}
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104 with open(opts.working_tests, 'w') as f:
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105 for p in sorted(oldpass | newpass):
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106 f.write('%s\n' % p)
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107 _runhg('hg', 'commit', '-R', opts.commit_to_repo,
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108 '--user', opts.commit_user,
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109 '--message', 'python3: expand list of passing tests')
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110 else:
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111 print('Newly passing tests:', '\n'.join(sorted(newpass)))
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112 sys.exit(2)
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113
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114 if __name__ == '__main__':
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115 main(sys.argv[1:])