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@@ -1,1082 +1,1082 b'' | |||
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1 | 1 | from __future__ import absolute_import, print_function |
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2 | 2 | |
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3 | 3 | import distutils.version |
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4 | 4 | import os |
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5 | 5 | import re |
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6 | 6 | import socket |
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7 | 7 | import stat |
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8 | 8 | import subprocess |
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9 | 9 | import sys |
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10 | 10 | import tempfile |
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11 | 11 | |
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12 | 12 | tempprefix = 'hg-hghave-' |
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13 | 13 | |
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14 | 14 | checks = { |
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15 | 15 | "true": (lambda: True, "yak shaving"), |
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16 | 16 | "false": (lambda: False, "nail clipper"), |
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17 | 17 | } |
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18 | 18 | |
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19 | 19 | try: |
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20 | 20 | import msvcrt |
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21 | 21 | |
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22 | 22 | msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY) |
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23 | 23 | msvcrt.setmode(sys.stderr.fileno(), os.O_BINARY) |
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24 | 24 | except ImportError: |
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25 | 25 | pass |
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26 | 26 | |
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27 | 27 | stdout = getattr(sys.stdout, 'buffer', sys.stdout) |
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28 | 28 | stderr = getattr(sys.stderr, 'buffer', sys.stderr) |
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29 | 29 | |
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30 | 30 | if sys.version_info[0] >= 3: |
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31 | 31 | |
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32 | 32 | def _sys2bytes(p): |
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33 | 33 | if p is None: |
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34 | 34 | return p |
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35 | 35 | return p.encode('utf-8') |
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36 | 36 | |
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37 | 37 | def _bytes2sys(p): |
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38 | 38 | if p is None: |
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39 | 39 | return p |
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40 | 40 | return p.decode('utf-8') |
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41 | 41 | |
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42 | 42 | |
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43 | 43 | else: |
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44 | 44 | |
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45 | 45 | def _sys2bytes(p): |
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46 | 46 | return p |
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47 | 47 | |
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48 | 48 | _bytes2sys = _sys2bytes |
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49 | 49 | |
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50 | 50 | |
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51 | 51 | def check(name, desc): |
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52 | 52 | """Registers a check function for a feature.""" |
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53 | 53 | |
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54 | 54 | def decorator(func): |
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55 | 55 | checks[name] = (func, desc) |
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56 | 56 | return func |
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57 | 57 | |
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58 | 58 | return decorator |
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59 | 59 | |
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60 | 60 | |
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61 | 61 | def checkvers(name, desc, vers): |
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62 | 62 | """Registers a check function for each of a series of versions. |
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63 | 63 | |
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64 | 64 | vers can be a list or an iterator. |
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65 | 65 | |
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66 | 66 | Produces a series of feature checks that have the form <name><vers> without |
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67 | 67 | any punctuation (even if there's punctuation in 'vers'; i.e. this produces |
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68 | 68 | 'py38', not 'py3.8' or 'py-38').""" |
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69 | 69 | |
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70 | 70 | def decorator(func): |
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71 | 71 | def funcv(v): |
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72 | 72 | def f(): |
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73 | 73 | return func(v) |
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74 | 74 | |
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75 | 75 | return f |
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76 | 76 | |
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77 | 77 | for v in vers: |
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78 | 78 | v = str(v) |
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79 | 79 | f = funcv(v) |
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80 | 80 | checks['%s%s' % (name, v.replace('.', ''))] = (f, desc % v) |
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81 | 81 | return func |
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82 | 82 | |
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83 | 83 | return decorator |
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84 | 84 | |
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85 | 85 | |
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86 | 86 | def checkfeatures(features): |
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87 | 87 | result = { |
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88 | 88 | 'error': [], |
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89 | 89 | 'missing': [], |
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90 | 90 | 'skipped': [], |
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91 | 91 | } |
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92 | 92 | |
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93 | 93 | for feature in features: |
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94 | 94 | negate = feature.startswith('no-') |
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95 | 95 | if negate: |
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96 | 96 | feature = feature[3:] |
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97 | 97 | |
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98 | 98 | if feature not in checks: |
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99 | 99 | result['missing'].append(feature) |
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100 | 100 | continue |
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101 | 101 | |
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102 | 102 | check, desc = checks[feature] |
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103 | 103 | try: |
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104 | 104 | available = check() |
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105 | 105 | except Exception: |
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106 | 106 | result['error'].append('hghave check failed: %s' % feature) |
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107 | 107 | continue |
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108 | 108 | |
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109 | 109 | if not negate and not available: |
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110 | 110 | result['skipped'].append('missing feature: %s' % desc) |
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111 | 111 | elif negate and available: |
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112 | 112 | result['skipped'].append('system supports %s' % desc) |
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113 | 113 | |
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114 | 114 | return result |
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115 | 115 | |
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116 | 116 | |
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117 | 117 | def require(features): |
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118 | 118 | """Require that features are available, exiting if not.""" |
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119 | 119 | result = checkfeatures(features) |
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120 | 120 | |
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121 | 121 | for missing in result['missing']: |
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122 | 122 | stderr.write( |
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123 | 123 | ('skipped: unknown feature: %s\n' % missing).encode('utf-8') |
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124 | 124 | ) |
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125 | 125 | for msg in result['skipped']: |
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126 | 126 | stderr.write(('skipped: %s\n' % msg).encode('utf-8')) |
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127 | 127 | for msg in result['error']: |
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128 | 128 | stderr.write(('%s\n' % msg).encode('utf-8')) |
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129 | 129 | |
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130 | 130 | if result['missing']: |
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131 | 131 | sys.exit(2) |
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132 | 132 | |
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133 | 133 | if result['skipped'] or result['error']: |
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134 | 134 | sys.exit(1) |
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135 | 135 | |
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136 | 136 | |
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137 | 137 | def matchoutput(cmd, regexp, ignorestatus=False): |
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138 | 138 | """Return the match object if cmd executes successfully and its output |
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139 | 139 | is matched by the supplied regular expression. |
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140 | 140 | """ |
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141 | 141 | r = re.compile(regexp) |
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142 | 142 | p = subprocess.Popen( |
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143 | 143 | cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT |
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144 | 144 | ) |
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145 | 145 | s = p.communicate()[0] |
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146 | 146 | ret = p.returncode |
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147 | 147 | return (ignorestatus or not ret) and r.search(s) |
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148 | 148 | |
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149 | 149 | |
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150 | 150 | @check("baz", "GNU Arch baz client") |
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151 | 151 | def has_baz(): |
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152 | 152 | return matchoutput('baz --version 2>&1', br'baz Bazaar version') |
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153 | 153 | |
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154 | 154 | |
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155 | 155 | @check("bzr", "Canonical's Bazaar client") |
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156 | 156 | def has_bzr(): |
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157 | 157 | try: |
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158 | 158 | import bzrlib |
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159 | 159 | import bzrlib.bzrdir |
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160 | 160 | import bzrlib.errors |
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161 | 161 | import bzrlib.revision |
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162 | 162 | import bzrlib.revisionspec |
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163 | 163 | |
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164 | 164 | bzrlib.revisionspec.RevisionSpec |
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165 | 165 | return bzrlib.__doc__ is not None |
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166 | 166 | except (AttributeError, ImportError): |
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167 | 167 | return False |
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168 | 168 | |
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169 | 169 | |
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170 | 170 | @checkvers("bzr", "Canonical's Bazaar client >= %s", (1.14,)) |
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171 | 171 | def has_bzr_range(v): |
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172 | 172 | major, minor = v.split('rc')[0].split('.')[0:2] |
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173 | 173 | try: |
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174 | 174 | import bzrlib |
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175 | 175 | |
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176 | 176 | return bzrlib.__doc__ is not None and bzrlib.version_info[:2] >= ( |
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177 | 177 | int(major), |
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178 | 178 | int(minor), |
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179 | 179 | ) |
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180 | 180 | except ImportError: |
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181 | 181 | return False |
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182 | 182 | |
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183 | 183 | |
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184 | 184 | @check("chg", "running with chg") |
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185 | 185 | def has_chg(): |
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186 | 186 | return 'CHGHG' in os.environ |
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187 | 187 | |
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188 | 188 | |
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189 | 189 | @check("cvs", "cvs client/server") |
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190 | 190 | def has_cvs(): |
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191 | 191 | re = br'Concurrent Versions System.*?server' |
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192 | 192 | return matchoutput('cvs --version 2>&1', re) and not has_msys() |
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193 | 193 | |
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194 | 194 | |
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195 | 195 | @check("cvs112", "cvs client/server 1.12.* (not cvsnt)") |
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196 | 196 | def has_cvs112(): |
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197 | 197 | re = br'Concurrent Versions System \(CVS\) 1.12.*?server' |
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198 | 198 | return matchoutput('cvs --version 2>&1', re) and not has_msys() |
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199 | 199 | |
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200 | 200 | |
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201 | 201 | @check("cvsnt", "cvsnt client/server") |
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202 | 202 | def has_cvsnt(): |
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203 | 203 | re = br'Concurrent Versions System \(CVSNT\) (\d+).(\d+).*\(client/server\)' |
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204 | 204 | return matchoutput('cvsnt --version 2>&1', re) |
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205 | 205 | |
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206 | 206 | |
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207 | 207 | @check("darcs", "darcs client") |
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208 | 208 | def has_darcs(): |
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209 | 209 | return matchoutput('darcs --version', br'\b2\.([2-9]|\d{2})', True) |
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210 | 210 | |
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211 | 211 | |
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212 | 212 | @check("mtn", "monotone client (>= 1.0)") |
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213 | 213 | def has_mtn(): |
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214 | 214 | return matchoutput('mtn --version', br'monotone', True) and not matchoutput( |
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215 | 215 | 'mtn --version', br'monotone 0\.', True |
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216 | 216 | ) |
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217 | 217 | |
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218 | 218 | |
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219 | 219 | @check("eol-in-paths", "end-of-lines in paths") |
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220 | 220 | def has_eol_in_paths(): |
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221 | 221 | try: |
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222 | 222 | fd, path = tempfile.mkstemp(dir='.', prefix=tempprefix, suffix='\n\r') |
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223 | 223 | os.close(fd) |
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224 | 224 | os.remove(path) |
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225 | 225 | return True |
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226 | 226 | except (IOError, OSError): |
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227 | 227 | return False |
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228 | 228 | |
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229 | 229 | |
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230 | 230 | @check("execbit", "executable bit") |
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231 | 231 | def has_executablebit(): |
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232 | 232 | try: |
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233 | 233 | EXECFLAGS = stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH |
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234 | 234 | fh, fn = tempfile.mkstemp(dir='.', prefix=tempprefix) |
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235 | 235 | try: |
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236 | 236 | os.close(fh) |
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237 | 237 | m = os.stat(fn).st_mode & 0o777 |
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238 | 238 | new_file_has_exec = m & EXECFLAGS |
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239 | 239 | os.chmod(fn, m ^ EXECFLAGS) |
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240 | 240 | exec_flags_cannot_flip = (os.stat(fn).st_mode & 0o777) == m |
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241 | 241 | finally: |
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242 | 242 | os.unlink(fn) |
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243 | 243 | except (IOError, OSError): |
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244 | 244 | # we don't care, the user probably won't be able to commit anyway |
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245 | 245 | return False |
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246 | 246 | return not (new_file_has_exec or exec_flags_cannot_flip) |
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247 | 247 | |
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248 | 248 | |
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249 | 249 | @check("icasefs", "case insensitive file system") |
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250 | 250 | def has_icasefs(): |
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251 | 251 | # Stolen from mercurial.util |
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252 | 252 | fd, path = tempfile.mkstemp(dir='.', prefix=tempprefix) |
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253 | 253 | os.close(fd) |
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254 | 254 | try: |
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255 | 255 | s1 = os.stat(path) |
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256 | 256 | d, b = os.path.split(path) |
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257 | 257 | p2 = os.path.join(d, b.upper()) |
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258 | 258 | if path == p2: |
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259 | 259 | p2 = os.path.join(d, b.lower()) |
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260 | 260 | try: |
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261 | 261 | s2 = os.stat(p2) |
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262 | 262 | return s2 == s1 |
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263 | 263 | except OSError: |
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264 | 264 | return False |
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265 | 265 | finally: |
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266 | 266 | os.remove(path) |
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267 | 267 | |
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268 | 268 | |
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269 | 269 | @check("fifo", "named pipes") |
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270 | 270 | def has_fifo(): |
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271 | 271 | if getattr(os, "mkfifo", None) is None: |
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272 | 272 | return False |
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273 | 273 | name = tempfile.mktemp(dir='.', prefix=tempprefix) |
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274 | 274 | try: |
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275 | 275 | os.mkfifo(name) |
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276 | 276 | os.unlink(name) |
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277 | 277 | return True |
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278 | 278 | except OSError: |
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279 | 279 | return False |
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280 | 280 | |
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281 | 281 | |
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282 | 282 | @check("killdaemons", 'killdaemons.py support') |
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283 | 283 | def has_killdaemons(): |
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284 | 284 | return True |
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285 | 285 | |
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286 | 286 | |
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287 | 287 | @check("cacheable", "cacheable filesystem") |
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288 | 288 | def has_cacheable_fs(): |
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289 | 289 | from mercurial import util |
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290 | 290 | |
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291 | 291 | fd, path = tempfile.mkstemp(dir='.', prefix=tempprefix) |
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292 | 292 | os.close(fd) |
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293 | 293 | try: |
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294 | 294 | return util.cachestat(path).cacheable() |
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295 | 295 | finally: |
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296 | 296 | os.remove(path) |
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297 | 297 | |
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298 | 298 | |
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299 | 299 | @check("lsprof", "python lsprof module") |
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300 | 300 | def has_lsprof(): |
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301 | 301 | try: |
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302 | 302 | import _lsprof |
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303 | 303 | |
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304 | 304 | _lsprof.Profiler # silence unused import warning |
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305 | 305 | return True |
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306 | 306 | except ImportError: |
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307 | 307 | return False |
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308 | 308 | |
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309 | 309 | |
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310 | 310 | def _gethgversion(): |
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311 | 311 | m = matchoutput('hg --version --quiet 2>&1', br'(\d+)\.(\d+)') |
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312 | 312 | if not m: |
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313 | 313 | return (0, 0) |
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314 | 314 | return (int(m.group(1)), int(m.group(2))) |
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315 | 315 | |
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316 | 316 | |
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317 | 317 | _hgversion = None |
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318 | 318 | |
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319 | 319 | |
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320 | 320 | def gethgversion(): |
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321 | 321 | global _hgversion |
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322 | 322 | if _hgversion is None: |
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323 | 323 | _hgversion = _gethgversion() |
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324 | 324 | return _hgversion |
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325 | 325 | |
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326 | 326 | |
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327 | 327 | @checkvers( |
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328 | 328 | "hg", "Mercurial >= %s", list([(1.0 * x) / 10 for x in range(9, 99)]) |
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329 | 329 | ) |
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330 | 330 | def has_hg_range(v): |
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331 | 331 | major, minor = v.split('.')[0:2] |
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332 | 332 | return gethgversion() >= (int(major), int(minor)) |
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333 | 333 | |
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334 | 334 | |
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335 | 335 | @check("rust", "Using the Rust extensions") |
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336 | 336 | def has_rust(): |
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337 | 337 | """Check is the mercurial currently running is using some rust code""" |
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338 | 338 | cmd = 'hg debuginstall --quiet 2>&1' |
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339 | 339 | match = br'checking module policy \(([^)]+)\)' |
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340 | 340 | policy = matchoutput(cmd, match) |
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341 | 341 | if not policy: |
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342 | 342 | return False |
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343 | 343 | return b'rust' in policy.group(1) |
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344 | 344 | |
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345 | 345 | |
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346 | 346 | @check("hg08", "Mercurial >= 0.8") |
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347 | 347 | def has_hg08(): |
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348 | 348 | if checks["hg09"][0](): |
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349 | 349 | return True |
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350 | 350 | return matchoutput('hg help annotate 2>&1', '--date') |
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351 | 351 | |
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352 | 352 | |
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353 | 353 | @check("hg07", "Mercurial >= 0.7") |
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354 | 354 | def has_hg07(): |
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355 | 355 | if checks["hg08"][0](): |
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356 | 356 | return True |
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357 | 357 | return matchoutput('hg --version --quiet 2>&1', 'Mercurial Distributed SCM') |
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358 | 358 | |
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359 | 359 | |
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360 | 360 | @check("hg06", "Mercurial >= 0.6") |
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361 | 361 | def has_hg06(): |
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362 | 362 | if checks["hg07"][0](): |
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363 | 363 | return True |
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364 | 364 | return matchoutput('hg --version --quiet 2>&1', 'Mercurial version') |
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365 | 365 | |
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366 | 366 | |
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367 | 367 | @check("gettext", "GNU Gettext (msgfmt)") |
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368 | 368 | def has_gettext(): |
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369 | 369 | return matchoutput('msgfmt --version', br'GNU gettext-tools') |
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370 | 370 | |
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371 | 371 | |
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372 | 372 | @check("git", "git command line client") |
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373 | 373 | def has_git(): |
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374 | 374 | return matchoutput('git --version 2>&1', br'^git version') |
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375 | 375 | |
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376 | 376 | |
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377 | 377 | def getgitversion(): |
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378 | 378 | m = matchoutput('git --version 2>&1', br'git version (\d+)\.(\d+)') |
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379 | 379 | if not m: |
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380 | 380 | return (0, 0) |
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381 | 381 | return (int(m.group(1)), int(m.group(2))) |
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382 | 382 | |
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383 | 383 | |
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384 | 384 | @check("pygit2", "pygit2 Python library") |
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385 | 385 | def has_git(): |
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386 | 386 | try: |
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387 | 387 | import pygit2 |
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388 | 388 | |
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389 | 389 | pygit2.Oid # silence unused import |
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390 | 390 | return True |
|
391 | 391 | except ImportError: |
|
392 | 392 | return False |
|
393 | 393 | |
|
394 | 394 | |
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395 | 395 | # https://github.com/git-lfs/lfs-test-server |
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396 | 396 | @check("lfs-test-server", "git-lfs test server") |
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397 | 397 | def has_lfsserver(): |
|
398 | 398 | exe = 'lfs-test-server' |
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399 | 399 | if has_windows(): |
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400 | 400 | exe = 'lfs-test-server.exe' |
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401 | 401 | return any( |
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402 | 402 | os.access(os.path.join(path, exe), os.X_OK) |
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403 | 403 | for path in os.environ["PATH"].split(os.pathsep) |
|
404 | 404 | ) |
|
405 | 405 | |
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406 | 406 | |
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407 | 407 | @checkvers("git", "git client (with ext::sh support) version >= %s", (1.9,)) |
|
408 | 408 | def has_git_range(v): |
|
409 | 409 | major, minor = v.split('.')[0:2] |
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410 | 410 | return getgitversion() >= (int(major), int(minor)) |
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411 | 411 | |
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412 | 412 | |
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413 | 413 | @check("docutils", "Docutils text processing library") |
|
414 | 414 | def has_docutils(): |
|
415 | 415 | try: |
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416 | 416 | import docutils.core |
|
417 | 417 | |
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418 | 418 | docutils.core.publish_cmdline # silence unused import |
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419 | 419 | return True |
|
420 | 420 | except ImportError: |
|
421 | 421 | return False |
|
422 | 422 | |
|
423 | 423 | |
|
424 | 424 | def getsvnversion(): |
|
425 | 425 | m = matchoutput('svn --version --quiet 2>&1', br'^(\d+)\.(\d+)') |
|
426 | 426 | if not m: |
|
427 | 427 | return (0, 0) |
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428 | 428 | return (int(m.group(1)), int(m.group(2))) |
|
429 | 429 | |
|
430 | 430 | |
|
431 | 431 | @checkvers("svn", "subversion client and admin tools >= %s", (1.3, 1.5)) |
|
432 | 432 | def has_svn_range(v): |
|
433 | 433 | major, minor = v.split('.')[0:2] |
|
434 | 434 | return getsvnversion() >= (int(major), int(minor)) |
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435 | 435 | |
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436 | 436 | |
|
437 | 437 | @check("svn", "subversion client and admin tools") |
|
438 | 438 | def has_svn(): |
|
439 | 439 | return matchoutput('svn --version 2>&1', br'^svn, version') and matchoutput( |
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440 | 440 | 'svnadmin --version 2>&1', br'^svnadmin, version' |
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441 | 441 | ) |
|
442 | 442 | |
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443 | 443 | |
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444 | 444 | @check("svn-bindings", "subversion python bindings") |
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445 | 445 | def has_svn_bindings(): |
|
446 | 446 | try: |
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447 | 447 | import svn.core |
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448 | 448 | |
|
449 | 449 | version = svn.core.SVN_VER_MAJOR, svn.core.SVN_VER_MINOR |
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450 | 450 | if version < (1, 4): |
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451 | 451 | return False |
|
452 | 452 | return True |
|
453 | 453 | except ImportError: |
|
454 | 454 | return False |
|
455 | 455 | |
|
456 | 456 | |
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457 | 457 | @check("p4", "Perforce server and client") |
|
458 | 458 | def has_p4(): |
|
459 | 459 | return matchoutput('p4 -V', br'Rev\. P4/') and matchoutput( |
|
460 | 460 | 'p4d -V', br'Rev\. P4D/' |
|
461 | 461 | ) |
|
462 | 462 | |
|
463 | 463 | |
|
464 | 464 | @check("symlink", "symbolic links") |
|
465 | 465 | def has_symlink(): |
|
466 | 466 | # mercurial.windows.checklink() is a hard 'no' at the moment |
|
467 | 467 | if os.name == 'nt' or getattr(os, "symlink", None) is None: |
|
468 | 468 | return False |
|
469 | 469 | name = tempfile.mktemp(dir='.', prefix=tempprefix) |
|
470 | 470 | try: |
|
471 | 471 | os.symlink(".", name) |
|
472 | 472 | os.unlink(name) |
|
473 | 473 | return True |
|
474 | 474 | except (OSError, AttributeError): |
|
475 | 475 | return False |
|
476 | 476 | |
|
477 | 477 | |
|
478 | 478 | @check("hardlink", "hardlinks") |
|
479 | 479 | def has_hardlink(): |
|
480 | 480 | from mercurial import util |
|
481 | 481 | |
|
482 | 482 | fh, fn = tempfile.mkstemp(dir='.', prefix=tempprefix) |
|
483 | 483 | os.close(fh) |
|
484 | 484 | name = tempfile.mktemp(dir='.', prefix=tempprefix) |
|
485 | 485 | try: |
|
486 | 486 | util.oslink(_sys2bytes(fn), _sys2bytes(name)) |
|
487 | 487 | os.unlink(name) |
|
488 | 488 | return True |
|
489 | 489 | except OSError: |
|
490 | 490 | return False |
|
491 | 491 | finally: |
|
492 | 492 | os.unlink(fn) |
|
493 | 493 | |
|
494 | 494 | |
|
495 | 495 | @check("hardlink-whitelisted", "hardlinks on whitelisted filesystems") |
|
496 | 496 | def has_hardlink_whitelisted(): |
|
497 | 497 | from mercurial import util |
|
498 | 498 | |
|
499 | 499 | try: |
|
500 | 500 | fstype = util.getfstype(b'.') |
|
501 | 501 | except OSError: |
|
502 | 502 | return False |
|
503 | 503 | return fstype in util._hardlinkfswhitelist |
|
504 | 504 | |
|
505 | 505 | |
|
506 | 506 | @check("rmcwd", "can remove current working directory") |
|
507 | 507 | def has_rmcwd(): |
|
508 | 508 | ocwd = os.getcwd() |
|
509 | 509 | temp = tempfile.mkdtemp(dir='.', prefix=tempprefix) |
|
510 | 510 | try: |
|
511 | 511 | os.chdir(temp) |
|
512 | 512 | # On Linux, 'rmdir .' isn't allowed, but the other names are okay. |
|
513 | 513 | # On Solaris and Windows, the cwd can't be removed by any names. |
|
514 | 514 | os.rmdir(os.getcwd()) |
|
515 | 515 | return True |
|
516 | 516 | except OSError: |
|
517 | 517 | return False |
|
518 | 518 | finally: |
|
519 | 519 | os.chdir(ocwd) |
|
520 | 520 | # clean up temp dir on platforms where cwd can't be removed |
|
521 | 521 | try: |
|
522 | 522 | os.rmdir(temp) |
|
523 | 523 | except OSError: |
|
524 | 524 | pass |
|
525 | 525 | |
|
526 | 526 | |
|
527 | 527 | @check("tla", "GNU Arch tla client") |
|
528 | 528 | def has_tla(): |
|
529 | 529 | return matchoutput('tla --version 2>&1', br'The GNU Arch Revision') |
|
530 | 530 | |
|
531 | 531 | |
|
532 | 532 | @check("gpg", "gpg client") |
|
533 | 533 | def has_gpg(): |
|
534 | 534 | return matchoutput('gpg --version 2>&1', br'GnuPG') |
|
535 | 535 | |
|
536 | 536 | |
|
537 | 537 | @check("gpg2", "gpg client v2") |
|
538 | 538 | def has_gpg2(): |
|
539 | 539 | return matchoutput('gpg --version 2>&1', br'GnuPG[^0-9]+2\.') |
|
540 | 540 | |
|
541 | 541 | |
|
542 | 542 | @check("gpg21", "gpg client v2.1+") |
|
543 | 543 | def has_gpg21(): |
|
544 | 544 | return matchoutput('gpg --version 2>&1', br'GnuPG[^0-9]+2\.(?!0)') |
|
545 | 545 | |
|
546 | 546 | |
|
547 | 547 | @check("unix-permissions", "unix-style permissions") |
|
548 | 548 | def has_unix_permissions(): |
|
549 | 549 | d = tempfile.mkdtemp(dir='.', prefix=tempprefix) |
|
550 | 550 | try: |
|
551 | 551 | fname = os.path.join(d, 'foo') |
|
552 | 552 | for umask in (0o77, 0o07, 0o22): |
|
553 | 553 | os.umask(umask) |
|
554 | 554 | f = open(fname, 'w') |
|
555 | 555 | f.close() |
|
556 | 556 | mode = os.stat(fname).st_mode |
|
557 | 557 | os.unlink(fname) |
|
558 | 558 | if mode & 0o777 != ~umask & 0o666: |
|
559 | 559 | return False |
|
560 | 560 | return True |
|
561 | 561 | finally: |
|
562 | 562 | os.rmdir(d) |
|
563 | 563 | |
|
564 | 564 | |
|
565 | 565 | @check("unix-socket", "AF_UNIX socket family") |
|
566 | 566 | def has_unix_socket(): |
|
567 | 567 | return getattr(socket, 'AF_UNIX', None) is not None |
|
568 | 568 | |
|
569 | 569 | |
|
570 | 570 | @check("root", "root permissions") |
|
571 | 571 | def has_root(): |
|
572 | 572 | return getattr(os, 'geteuid', None) and os.geteuid() == 0 |
|
573 | 573 | |
|
574 | 574 | |
|
575 | 575 | @check("pyflakes", "Pyflakes python linter") |
|
576 | 576 | def has_pyflakes(): |
|
577 | 577 | try: |
|
578 | 578 | import pyflakes |
|
579 | 579 | |
|
580 | 580 | pyflakes.__version__ |
|
581 | 581 | except ImportError: |
|
582 | 582 | return False |
|
583 | 583 | else: |
|
584 | 584 | return True |
|
585 | 585 | |
|
586 | 586 | |
|
587 | 587 | @check("pylint", "Pylint python linter") |
|
588 | 588 | def has_pylint(): |
|
589 |
return matchoutput("pylint --help", br"Usage: |
|
|
589 | return matchoutput("pylint --help", br"Usage:[ ]+pylint", True) | |
|
590 | 590 | |
|
591 | 591 | |
|
592 | 592 | @check("clang-format", "clang-format C code formatter") |
|
593 | 593 | def has_clang_format(): |
|
594 | 594 | m = matchoutput('clang-format --version', br'clang-format version (\d+)') |
|
595 | 595 | # style changed somewhere between 4.x and 6.x |
|
596 | 596 | return m and int(m.group(1)) >= 6 |
|
597 | 597 | |
|
598 | 598 | |
|
599 | 599 | @check("jshint", "JSHint static code analysis tool") |
|
600 | 600 | def has_jshint(): |
|
601 | 601 | return matchoutput("jshint --version 2>&1", br"jshint v") |
|
602 | 602 | |
|
603 | 603 | |
|
604 | 604 | @check("pygments", "Pygments source highlighting library") |
|
605 | 605 | def has_pygments(): |
|
606 | 606 | try: |
|
607 | 607 | import pygments |
|
608 | 608 | |
|
609 | 609 | pygments.highlight # silence unused import warning |
|
610 | 610 | return True |
|
611 | 611 | except ImportError: |
|
612 | 612 | return False |
|
613 | 613 | |
|
614 | 614 | |
|
615 | 615 | @check("pygments25", "Pygments version >= 2.5") |
|
616 | 616 | def pygments25(): |
|
617 | 617 | try: |
|
618 | 618 | import pygments |
|
619 | 619 | |
|
620 | 620 | v = pygments.__version__ |
|
621 | 621 | except ImportError: |
|
622 | 622 | return False |
|
623 | 623 | |
|
624 | 624 | parts = v.split(".") |
|
625 | 625 | major = int(parts[0]) |
|
626 | 626 | minor = int(parts[1]) |
|
627 | 627 | |
|
628 | 628 | return (major, minor) >= (2, 5) |
|
629 | 629 | |
|
630 | 630 | |
|
631 | 631 | @check("outer-repo", "outer repo") |
|
632 | 632 | def has_outer_repo(): |
|
633 | 633 | # failing for other reasons than 'no repo' imply that there is a repo |
|
634 | 634 | return not matchoutput('hg root 2>&1', br'abort: no repository found', True) |
|
635 | 635 | |
|
636 | 636 | |
|
637 | 637 | @check("ssl", "ssl module available") |
|
638 | 638 | def has_ssl(): |
|
639 | 639 | try: |
|
640 | 640 | import ssl |
|
641 | 641 | |
|
642 | 642 | ssl.CERT_NONE |
|
643 | 643 | return True |
|
644 | 644 | except ImportError: |
|
645 | 645 | return False |
|
646 | 646 | |
|
647 | 647 | |
|
648 | 648 | @check("defaultcacertsloaded", "detected presence of loaded system CA certs") |
|
649 | 649 | def has_defaultcacertsloaded(): |
|
650 | 650 | import ssl |
|
651 | 651 | from mercurial import sslutil, ui as uimod |
|
652 | 652 | |
|
653 | 653 | ui = uimod.ui.load() |
|
654 | 654 | cafile = sslutil._defaultcacerts(ui) |
|
655 | 655 | ctx = ssl.create_default_context() |
|
656 | 656 | if cafile: |
|
657 | 657 | ctx.load_verify_locations(cafile=cafile) |
|
658 | 658 | else: |
|
659 | 659 | ctx.load_default_certs() |
|
660 | 660 | |
|
661 | 661 | return len(ctx.get_ca_certs()) > 0 |
|
662 | 662 | |
|
663 | 663 | |
|
664 | 664 | @check("tls1.2", "TLS 1.2 protocol support") |
|
665 | 665 | def has_tls1_2(): |
|
666 | 666 | from mercurial import sslutil |
|
667 | 667 | |
|
668 | 668 | return b'tls1.2' in sslutil.supportedprotocols |
|
669 | 669 | |
|
670 | 670 | |
|
671 | 671 | @check("windows", "Windows") |
|
672 | 672 | def has_windows(): |
|
673 | 673 | return os.name == 'nt' |
|
674 | 674 | |
|
675 | 675 | |
|
676 | 676 | @check("system-sh", "system() uses sh") |
|
677 | 677 | def has_system_sh(): |
|
678 | 678 | return os.name != 'nt' |
|
679 | 679 | |
|
680 | 680 | |
|
681 | 681 | @check("serve", "platform and python can manage 'hg serve -d'") |
|
682 | 682 | def has_serve(): |
|
683 | 683 | return True |
|
684 | 684 | |
|
685 | 685 | |
|
686 | 686 | @check("setprocname", "whether osutil.setprocname is available or not") |
|
687 | 687 | def has_setprocname(): |
|
688 | 688 | try: |
|
689 | 689 | from mercurial.utils import procutil |
|
690 | 690 | |
|
691 | 691 | procutil.setprocname |
|
692 | 692 | return True |
|
693 | 693 | except AttributeError: |
|
694 | 694 | return False |
|
695 | 695 | |
|
696 | 696 | |
|
697 | 697 | @check("test-repo", "running tests from repository") |
|
698 | 698 | def has_test_repo(): |
|
699 | 699 | t = os.environ["TESTDIR"] |
|
700 | 700 | return os.path.isdir(os.path.join(t, "..", ".hg")) |
|
701 | 701 | |
|
702 | 702 | |
|
703 | 703 | @check("tic", "terminfo compiler and curses module") |
|
704 | 704 | def has_tic(): |
|
705 | 705 | try: |
|
706 | 706 | import curses |
|
707 | 707 | |
|
708 | 708 | curses.COLOR_BLUE |
|
709 | 709 | return matchoutput('test -x "`which tic`"', br'') |
|
710 | 710 | except (ImportError, AttributeError): |
|
711 | 711 | return False |
|
712 | 712 | |
|
713 | 713 | |
|
714 | 714 | @check("xz", "xz compression utility") |
|
715 | 715 | def has_xz(): |
|
716 | 716 | # When Windows invokes a subprocess in shell mode, it uses `cmd.exe`, which |
|
717 | 717 | # only knows `where`, not `which`. So invoke MSYS shell explicitly. |
|
718 | 718 | return matchoutput("sh -c 'test -x \"`which xz`\"'", b'') |
|
719 | 719 | |
|
720 | 720 | |
|
721 | 721 | @check("msys", "Windows with MSYS") |
|
722 | 722 | def has_msys(): |
|
723 | 723 | return os.getenv('MSYSTEM') |
|
724 | 724 | |
|
725 | 725 | |
|
726 | 726 | @check("aix", "AIX") |
|
727 | 727 | def has_aix(): |
|
728 | 728 | return sys.platform.startswith("aix") |
|
729 | 729 | |
|
730 | 730 | |
|
731 | 731 | @check("osx", "OS X") |
|
732 | 732 | def has_osx(): |
|
733 | 733 | return sys.platform == 'darwin' |
|
734 | 734 | |
|
735 | 735 | |
|
736 | 736 | @check("osxpackaging", "OS X packaging tools") |
|
737 | 737 | def has_osxpackaging(): |
|
738 | 738 | try: |
|
739 | 739 | return ( |
|
740 | 740 | matchoutput('pkgbuild', br'Usage: pkgbuild ', ignorestatus=1) |
|
741 | 741 | and matchoutput( |
|
742 | 742 | 'productbuild', br'Usage: productbuild ', ignorestatus=1 |
|
743 | 743 | ) |
|
744 | 744 | and matchoutput('lsbom', br'Usage: lsbom', ignorestatus=1) |
|
745 | 745 | and matchoutput('xar --help', br'Usage: xar', ignorestatus=1) |
|
746 | 746 | ) |
|
747 | 747 | except ImportError: |
|
748 | 748 | return False |
|
749 | 749 | |
|
750 | 750 | |
|
751 | 751 | @check('linuxormacos', 'Linux or MacOS') |
|
752 | 752 | def has_linuxormacos(): |
|
753 | 753 | # This isn't a perfect test for MacOS. But it is sufficient for our needs. |
|
754 | 754 | return sys.platform.startswith(('linux', 'darwin')) |
|
755 | 755 | |
|
756 | 756 | |
|
757 | 757 | @check("docker", "docker support") |
|
758 | 758 | def has_docker(): |
|
759 | 759 | pat = br'A self-sufficient runtime for' |
|
760 | 760 | if matchoutput('docker --help', pat): |
|
761 | 761 | if 'linux' not in sys.platform: |
|
762 | 762 | # TODO: in theory we should be able to test docker-based |
|
763 | 763 | # package creation on non-linux using boot2docker, but in |
|
764 | 764 | # practice that requires extra coordination to make sure |
|
765 | 765 | # $TESTTEMP is going to be visible at the same path to the |
|
766 | 766 | # boot2docker VM. If we figure out how to verify that, we |
|
767 | 767 | # can use the following instead of just saying False: |
|
768 | 768 | # return 'DOCKER_HOST' in os.environ |
|
769 | 769 | return False |
|
770 | 770 | |
|
771 | 771 | return True |
|
772 | 772 | return False |
|
773 | 773 | |
|
774 | 774 | |
|
775 | 775 | @check("debhelper", "debian packaging tools") |
|
776 | 776 | def has_debhelper(): |
|
777 | 777 | # Some versions of dpkg say `dpkg', some say 'dpkg' (` vs ' on the first |
|
778 | 778 | # quote), so just accept anything in that spot. |
|
779 | 779 | dpkg = matchoutput( |
|
780 | 780 | 'dpkg --version', br"Debian .dpkg' package management program" |
|
781 | 781 | ) |
|
782 | 782 | dh = matchoutput( |
|
783 | 783 | 'dh --help', br'dh is a part of debhelper.', ignorestatus=True |
|
784 | 784 | ) |
|
785 | 785 | dh_py2 = matchoutput( |
|
786 | 786 | 'dh_python2 --help', br'other supported Python versions' |
|
787 | 787 | ) |
|
788 | 788 | # debuild comes from the 'devscripts' package, though you might want |
|
789 | 789 | # the 'build-debs' package instead, which has a dependency on devscripts. |
|
790 | 790 | debuild = matchoutput( |
|
791 | 791 | 'debuild --help', br'to run debian/rules with given parameter' |
|
792 | 792 | ) |
|
793 | 793 | return dpkg and dh and dh_py2 and debuild |
|
794 | 794 | |
|
795 | 795 | |
|
796 | 796 | @check( |
|
797 | 797 | "debdeps", "debian build dependencies (run dpkg-checkbuilddeps in contrib/)" |
|
798 | 798 | ) |
|
799 | 799 | def has_debdeps(): |
|
800 | 800 | # just check exit status (ignoring output) |
|
801 | 801 | path = '%s/../contrib/packaging/debian/control' % os.environ['TESTDIR'] |
|
802 | 802 | return matchoutput('dpkg-checkbuilddeps %s' % path, br'') |
|
803 | 803 | |
|
804 | 804 | |
|
805 | 805 | @check("demandimport", "demandimport enabled") |
|
806 | 806 | def has_demandimport(): |
|
807 | 807 | # chg disables demandimport intentionally for performance wins. |
|
808 | 808 | return (not has_chg()) and os.environ.get('HGDEMANDIMPORT') != 'disable' |
|
809 | 809 | |
|
810 | 810 | |
|
811 | 811 | # Add "py27", "py35", ... as possible feature checks. Note that there's no |
|
812 | 812 | # punctuation here. |
|
813 | 813 | @checkvers("py", "Python >= %s", (2.7, 3.5, 3.6, 3.7, 3.8, 3.9)) |
|
814 | 814 | def has_python_range(v): |
|
815 | 815 | major, minor = v.split('.')[0:2] |
|
816 | 816 | py_major, py_minor = sys.version_info.major, sys.version_info.minor |
|
817 | 817 | |
|
818 | 818 | return (py_major, py_minor) >= (int(major), int(minor)) |
|
819 | 819 | |
|
820 | 820 | |
|
821 | 821 | @check("py3", "running with Python 3.x") |
|
822 | 822 | def has_py3(): |
|
823 | 823 | return 3 == sys.version_info[0] |
|
824 | 824 | |
|
825 | 825 | |
|
826 | 826 | @check("py3exe", "a Python 3.x interpreter is available") |
|
827 | 827 | def has_python3exe(): |
|
828 | 828 | return matchoutput('python3 -V', br'^Python 3.(5|6|7|8|9)') |
|
829 | 829 | |
|
830 | 830 | |
|
831 | 831 | @check("pure", "running with pure Python code") |
|
832 | 832 | def has_pure(): |
|
833 | 833 | return any( |
|
834 | 834 | [ |
|
835 | 835 | os.environ.get("HGMODULEPOLICY") == "py", |
|
836 | 836 | os.environ.get("HGTEST_RUN_TESTS_PURE") == "--pure", |
|
837 | 837 | ] |
|
838 | 838 | ) |
|
839 | 839 | |
|
840 | 840 | |
|
841 | 841 | @check("slow", "allow slow tests (use --allow-slow-tests)") |
|
842 | 842 | def has_slow(): |
|
843 | 843 | return os.environ.get('HGTEST_SLOW') == 'slow' |
|
844 | 844 | |
|
845 | 845 | |
|
846 | 846 | @check("hypothesis", "Hypothesis automated test generation") |
|
847 | 847 | def has_hypothesis(): |
|
848 | 848 | try: |
|
849 | 849 | import hypothesis |
|
850 | 850 | |
|
851 | 851 | hypothesis.given |
|
852 | 852 | return True |
|
853 | 853 | except ImportError: |
|
854 | 854 | return False |
|
855 | 855 | |
|
856 | 856 | |
|
857 | 857 | @check("unziplinks", "unzip(1) understands and extracts symlinks") |
|
858 | 858 | def unzip_understands_symlinks(): |
|
859 | 859 | return matchoutput('unzip --help', br'Info-ZIP') |
|
860 | 860 | |
|
861 | 861 | |
|
862 | 862 | @check("zstd", "zstd Python module available") |
|
863 | 863 | def has_zstd(): |
|
864 | 864 | try: |
|
865 | 865 | import mercurial.zstd |
|
866 | 866 | |
|
867 | 867 | mercurial.zstd.__version__ |
|
868 | 868 | return True |
|
869 | 869 | except ImportError: |
|
870 | 870 | return False |
|
871 | 871 | |
|
872 | 872 | |
|
873 | 873 | @check("devfull", "/dev/full special file") |
|
874 | 874 | def has_dev_full(): |
|
875 | 875 | return os.path.exists('/dev/full') |
|
876 | 876 | |
|
877 | 877 | |
|
878 | 878 | @check("ensurepip", "ensurepip module") |
|
879 | 879 | def has_ensurepip(): |
|
880 | 880 | try: |
|
881 | 881 | import ensurepip |
|
882 | 882 | |
|
883 | 883 | ensurepip.bootstrap |
|
884 | 884 | return True |
|
885 | 885 | except ImportError: |
|
886 | 886 | return False |
|
887 | 887 | |
|
888 | 888 | |
|
889 | 889 | @check("py2virtualenv", "Python2 virtualenv support") |
|
890 | 890 | def has_py2virtualenv(): |
|
891 | 891 | if sys.version_info[0] != 2: |
|
892 | 892 | return False |
|
893 | 893 | |
|
894 | 894 | try: |
|
895 | 895 | import virtualenv |
|
896 | 896 | |
|
897 | 897 | virtualenv.ACTIVATE_SH |
|
898 | 898 | return True |
|
899 | 899 | except ImportError: |
|
900 | 900 | return False |
|
901 | 901 | |
|
902 | 902 | |
|
903 | 903 | @check("fsmonitor", "running tests with fsmonitor") |
|
904 | 904 | def has_fsmonitor(): |
|
905 | 905 | return 'HGFSMONITOR_TESTS' in os.environ |
|
906 | 906 | |
|
907 | 907 | |
|
908 | 908 | @check("fuzzywuzzy", "Fuzzy string matching library") |
|
909 | 909 | def has_fuzzywuzzy(): |
|
910 | 910 | try: |
|
911 | 911 | import fuzzywuzzy |
|
912 | 912 | |
|
913 | 913 | fuzzywuzzy.__version__ |
|
914 | 914 | return True |
|
915 | 915 | except ImportError: |
|
916 | 916 | return False |
|
917 | 917 | |
|
918 | 918 | |
|
919 | 919 | @check("clang-libfuzzer", "clang new enough to include libfuzzer") |
|
920 | 920 | def has_clang_libfuzzer(): |
|
921 | 921 | mat = matchoutput('clang --version', br'clang version (\d)') |
|
922 | 922 | if mat: |
|
923 | 923 | # libfuzzer is new in clang 6 |
|
924 | 924 | return int(mat.group(1)) > 5 |
|
925 | 925 | return False |
|
926 | 926 | |
|
927 | 927 | |
|
928 | 928 | @check("clang-6.0", "clang 6.0 with version suffix (libfuzzer included)") |
|
929 | 929 | def has_clang60(): |
|
930 | 930 | return matchoutput('clang-6.0 --version', br'clang version 6\.') |
|
931 | 931 | |
|
932 | 932 | |
|
933 | 933 | @check("xdiff", "xdiff algorithm") |
|
934 | 934 | def has_xdiff(): |
|
935 | 935 | try: |
|
936 | 936 | from mercurial import policy |
|
937 | 937 | |
|
938 | 938 | bdiff = policy.importmod('bdiff') |
|
939 | 939 | return bdiff.xdiffblocks(b'', b'') == [(0, 0, 0, 0)] |
|
940 | 940 | except (ImportError, AttributeError): |
|
941 | 941 | return False |
|
942 | 942 | |
|
943 | 943 | |
|
944 | 944 | @check('extraextensions', 'whether tests are running with extra extensions') |
|
945 | 945 | def has_extraextensions(): |
|
946 | 946 | return 'HGTESTEXTRAEXTENSIONS' in os.environ |
|
947 | 947 | |
|
948 | 948 | |
|
949 | 949 | def getrepofeatures(): |
|
950 | 950 | """Obtain set of repository features in use. |
|
951 | 951 | |
|
952 | 952 | HGREPOFEATURES can be used to define or remove features. It contains |
|
953 | 953 | a space-delimited list of feature strings. Strings beginning with ``-`` |
|
954 | 954 | mean to remove. |
|
955 | 955 | """ |
|
956 | 956 | # Default list provided by core. |
|
957 | 957 | features = { |
|
958 | 958 | 'bundlerepo', |
|
959 | 959 | 'revlogstore', |
|
960 | 960 | 'fncache', |
|
961 | 961 | } |
|
962 | 962 | |
|
963 | 963 | # Features that imply other features. |
|
964 | 964 | implies = { |
|
965 | 965 | 'simplestore': ['-revlogstore', '-bundlerepo', '-fncache'], |
|
966 | 966 | } |
|
967 | 967 | |
|
968 | 968 | for override in os.environ.get('HGREPOFEATURES', '').split(' '): |
|
969 | 969 | if not override: |
|
970 | 970 | continue |
|
971 | 971 | |
|
972 | 972 | if override.startswith('-'): |
|
973 | 973 | if override[1:] in features: |
|
974 | 974 | features.remove(override[1:]) |
|
975 | 975 | else: |
|
976 | 976 | features.add(override) |
|
977 | 977 | |
|
978 | 978 | for imply in implies.get(override, []): |
|
979 | 979 | if imply.startswith('-'): |
|
980 | 980 | if imply[1:] in features: |
|
981 | 981 | features.remove(imply[1:]) |
|
982 | 982 | else: |
|
983 | 983 | features.add(imply) |
|
984 | 984 | |
|
985 | 985 | return features |
|
986 | 986 | |
|
987 | 987 | |
|
988 | 988 | @check('reporevlogstore', 'repository using the default revlog store') |
|
989 | 989 | def has_reporevlogstore(): |
|
990 | 990 | return 'revlogstore' in getrepofeatures() |
|
991 | 991 | |
|
992 | 992 | |
|
993 | 993 | @check('reposimplestore', 'repository using simple storage extension') |
|
994 | 994 | def has_reposimplestore(): |
|
995 | 995 | return 'simplestore' in getrepofeatures() |
|
996 | 996 | |
|
997 | 997 | |
|
998 | 998 | @check('repobundlerepo', 'whether we can open bundle files as repos') |
|
999 | 999 | def has_repobundlerepo(): |
|
1000 | 1000 | return 'bundlerepo' in getrepofeatures() |
|
1001 | 1001 | |
|
1002 | 1002 | |
|
1003 | 1003 | @check('repofncache', 'repository has an fncache') |
|
1004 | 1004 | def has_repofncache(): |
|
1005 | 1005 | return 'fncache' in getrepofeatures() |
|
1006 | 1006 | |
|
1007 | 1007 | |
|
1008 | 1008 | @check('sqlite', 'sqlite3 module is available') |
|
1009 | 1009 | def has_sqlite(): |
|
1010 | 1010 | try: |
|
1011 | 1011 | import sqlite3 |
|
1012 | 1012 | |
|
1013 | 1013 | version = sqlite3.sqlite_version_info |
|
1014 | 1014 | except ImportError: |
|
1015 | 1015 | return False |
|
1016 | 1016 | |
|
1017 | 1017 | if version < (3, 8, 3): |
|
1018 | 1018 | # WITH clause not supported |
|
1019 | 1019 | return False |
|
1020 | 1020 | |
|
1021 | 1021 | return matchoutput('sqlite3 -version', br'^3\.\d+') |
|
1022 | 1022 | |
|
1023 | 1023 | |
|
1024 | 1024 | @check('vcr', 'vcr http mocking library') |
|
1025 | 1025 | def has_vcr(): |
|
1026 | 1026 | try: |
|
1027 | 1027 | import vcr |
|
1028 | 1028 | |
|
1029 | 1029 | vcr.VCR |
|
1030 | 1030 | return True |
|
1031 | 1031 | except (ImportError, AttributeError): |
|
1032 | 1032 | pass |
|
1033 | 1033 | return False |
|
1034 | 1034 | |
|
1035 | 1035 | |
|
1036 | 1036 | @check('emacs', 'GNU Emacs') |
|
1037 | 1037 | def has_emacs(): |
|
1038 | 1038 | # Our emacs lisp uses `with-eval-after-load` which is new in emacs |
|
1039 | 1039 | # 24.4, so we allow emacs 24.4, 24.5, and 25+ (24.5 was the last |
|
1040 | 1040 | # 24 release) |
|
1041 | 1041 | return matchoutput('emacs --version', b'GNU Emacs 2(4.4|4.5|5|6|7|8|9)') |
|
1042 | 1042 | |
|
1043 | 1043 | |
|
1044 | 1044 | @check('black', 'the black formatter for python') |
|
1045 | 1045 | def has_black(): |
|
1046 | 1046 | blackcmd = 'black --version' |
|
1047 | 1047 | version_regex = b'black, version ([0-9a-b.]+)' |
|
1048 | 1048 | version = matchoutput(blackcmd, version_regex) |
|
1049 | 1049 | sv = distutils.version.StrictVersion |
|
1050 | 1050 | return version and sv(_bytes2sys(version.group(1))) >= sv('20.8b1') |
|
1051 | 1051 | |
|
1052 | 1052 | |
|
1053 | 1053 | @check('pytype', 'the pytype type checker') |
|
1054 | 1054 | def has_pytype(): |
|
1055 | 1055 | pytypecmd = 'pytype --version' |
|
1056 | 1056 | version = matchoutput(pytypecmd, b'[0-9a-b.]+') |
|
1057 | 1057 | sv = distutils.version.StrictVersion |
|
1058 | 1058 | return version and sv(_bytes2sys(version.group(0))) >= sv('2019.10.17') |
|
1059 | 1059 | |
|
1060 | 1060 | |
|
1061 | 1061 | @check("rustfmt", "rustfmt tool") |
|
1062 | 1062 | def has_rustfmt(): |
|
1063 | 1063 | # We use Nightly's rustfmt due to current unstable config options. |
|
1064 | 1064 | return matchoutput( |
|
1065 | 1065 | '`rustup which --toolchain nightly rustfmt` --version', b'rustfmt' |
|
1066 | 1066 | ) |
|
1067 | 1067 | |
|
1068 | 1068 | |
|
1069 | 1069 | @check("cargo", "cargo tool") |
|
1070 | 1070 | def has_cargo(): |
|
1071 | 1071 | return matchoutput('`rustup which cargo` --version', b'cargo') |
|
1072 | 1072 | |
|
1073 | 1073 | |
|
1074 | 1074 | @check("lzma", "python lzma module") |
|
1075 | 1075 | def has_lzma(): |
|
1076 | 1076 | try: |
|
1077 | 1077 | import _lzma |
|
1078 | 1078 | |
|
1079 | 1079 | _lzma.FORMAT_XZ |
|
1080 | 1080 | return True |
|
1081 | 1081 | except ImportError: |
|
1082 | 1082 | return False |
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