Mercurial > hg
annotate contrib/genosxversion.py @ 46444:6c778d20c8c2
rust: replace ToString impls with Display
ToString is automatically implementing for everything that implements
Display, and Display can avoid allocating intermediate strings.
Differential Revision: https://phab.mercurial-scm.org/D9904
author | Simon Sapin <simon.sapin@octobus.net> |
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date | Thu, 28 Jan 2021 19:21:57 +0100 |
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1 #!/usr/bin/env python2 |
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2 from __future__ import absolute_import, print_function |
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3 |
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4 import argparse |
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5 import os |
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6 import subprocess |
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7 import sys |
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8 |
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9 try: |
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10 # Always load hg libraries from the hg we can find on $PATH. |
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11 hglib = subprocess.check_output(['hg', 'debuginstall', '-T', '{hgmodules}']) |
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12 sys.path.insert(0, os.path.dirname(hglib)) |
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13 except subprocess.CalledProcessError: |
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14 # We're probably running with a PyOxidized Mercurial, so just |
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15 # proceed and hope it works out okay. |
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16 pass |
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17 |
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18 from mercurial import util |
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19 |
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20 ap = argparse.ArgumentParser() |
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21 ap.add_argument( |
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22 '--paranoid', |
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23 action='store_true', |
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24 help=( |
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25 "Be paranoid about how version numbers compare and " |
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26 "produce something that's more likely to sort " |
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27 "reasonably." |
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28 ), |
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29 ) |
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30 ap.add_argument('--selftest', action='store_true', help='Run self-tests.') |
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31 ap.add_argument('versionfile', help='Path to a valid mercurial __version__.py') |
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32 |
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33 |
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34 def paranoidver(ver): |
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35 """Given an hg version produce something that distutils can sort. |
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36 |
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37 Some Mac package management systems use distutils code in order to |
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38 figure out upgrades, which makes life difficult. The test case is |
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39 a reduced version of code in the Munki tool used by some large |
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40 organizations to centrally manage OS X packages, which is what |
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41 inspired this kludge. |
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42 |
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43 >>> paranoidver('3.4') |
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44 '3.4.0' |
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45 >>> paranoidver('3.4.2') |
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46 '3.4.2' |
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47 >>> paranoidver('3.0-rc+10') |
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48 '2.9.9999-rc+10' |
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49 >>> paranoidver('4.2+483-5d44d7d4076e') |
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50 '4.2.0+483-5d44d7d4076e' |
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51 >>> paranoidver('4.2.1+598-48d1e1214d8c') |
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52 '4.2.1+598-48d1e1214d8c' |
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53 >>> paranoidver('4.3-rc') |
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54 '4.2.9999-rc' |
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55 >>> paranoidver('4.3') |
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56 '4.3.0' |
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57 >>> from distutils import version |
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58 >>> class LossyPaddedVersion(version.LooseVersion): |
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59 ... '''Subclass version.LooseVersion to compare things like |
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60 ... "10.6" and "10.6.0" as equal''' |
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61 ... def __init__(self, s): |
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62 ... self.parse(s) |
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63 ... |
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64 ... def _pad(self, version_list, max_length): |
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65 ... 'Pad a version list by adding extra 0 components to the end' |
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66 ... # copy the version_list so we don't modify it |
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67 ... cmp_list = list(version_list) |
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68 ... while len(cmp_list) < max_length: |
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69 ... cmp_list.append(0) |
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70 ... return cmp_list |
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71 ... |
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72 ... def __cmp__(self, other): |
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73 ... if isinstance(other, str): |
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74 ... other = MunkiLooseVersion(other) |
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75 ... max_length = max(len(self.version), len(other.version)) |
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76 ... self_cmp_version = self._pad(self.version, max_length) |
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77 ... other_cmp_version = self._pad(other.version, max_length) |
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78 ... return cmp(self_cmp_version, other_cmp_version) |
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79 >>> def testver(older, newer): |
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80 ... o = LossyPaddedVersion(paranoidver(older)) |
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81 ... n = LossyPaddedVersion(paranoidver(newer)) |
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82 ... return o < n |
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83 >>> testver('3.4', '3.5') |
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84 True |
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85 >>> testver('3.4.0', '3.5-rc') |
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86 True |
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87 >>> testver('3.4-rc', '3.5') |
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88 True |
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89 >>> testver('3.4-rc+10-deadbeef', '3.5') |
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90 True |
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91 >>> testver('3.4.2', '3.5-rc') |
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92 True |
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93 >>> testver('3.4.2', '3.5-rc+10-deadbeef') |
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94 True |
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95 >>> testver('4.2+483-5d44d7d4076e', '4.2.1+598-48d1e1214d8c') |
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96 True |
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97 >>> testver('4.3-rc', '4.3') |
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98 True |
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99 >>> testver('4.3', '4.3-rc') |
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100 False |
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101 """ |
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102 major, minor, micro, extra = util.versiontuple(ver, n=4) |
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103 if micro is None: |
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104 micro = 0 |
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105 if extra: |
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106 if extra.startswith('rc'): |
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107 if minor == 0: |
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108 major -= 1 |
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109 minor = 9 |
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110 else: |
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111 minor -= 1 |
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112 micro = 9999 |
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113 extra = '-' + extra |
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114 else: |
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115 extra = '+' + extra |
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116 else: |
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117 extra = '' |
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118 return '%d.%d.%d%s' % (major, minor, micro, extra) |
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119 |
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120 |
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121 def main(argv): |
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122 opts = ap.parse_args(argv[1:]) |
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123 if opts.selftest: |
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124 import doctest |
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125 |
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126 doctest.testmod() |
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127 return |
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128 with open(opts.versionfile) as f: |
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129 for l in f: |
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130 if l.startswith('version = b'): |
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131 # version number is entire line minus the quotes |
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132 ver = l[len('version = b') + 1 : -2] |
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133 break |
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134 if opts.paranoid: |
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135 print(paranoidver(ver)) |
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136 else: |
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137 print(ver) |
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138 |
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139 |
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140 if __name__ == '__main__': |
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141 main(sys.argv) |