Mercurial > hg
annotate tests/test-demandimport.py @ 41748:980e05204ed8
subrepo: use root-repo-relative path from `hg files` with ui.relative-paths=no
The fix is to pass in a "subuipathfn" as we do everywhere else.
Differential Revision: https://phab.mercurial-scm.org/D5978
author | Martin von Zweigbergk <martinvonz@google.com> |
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date | Sun, 17 Feb 2019 09:12:30 -0800 |
parents | 30248d6bc057 |
children | 2372284d9457 |
rev | line source |
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1 from __future__ import absolute_import, print_function |
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2 |
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3 from mercurial import demandimport |
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4 demandimport.enable() |
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5 |
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6 import os |
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7 import subprocess |
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8 import sys |
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9 import types |
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10 |
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11 # Don't import pycompat because it has too many side-effects. |
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12 ispy3 = sys.version_info[0] >= 3 |
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13 |
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14 # Only run if demandimport is allowed |
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15 if subprocess.call(['python', '%s/hghave' % os.environ['TESTDIR'], |
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16 'demandimport']): |
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17 sys.exit(80) |
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18 |
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19 # We rely on assert, which gets optimized out. |
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20 if sys.flags.optimize: |
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21 sys.exit(80) |
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22 |
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23 if ispy3: |
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24 from importlib.util import _LazyModule |
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25 |
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26 try: |
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27 from importlib.util import _Module as moduletype |
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28 except ImportError: |
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29 moduletype = types.ModuleType |
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30 else: |
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31 moduletype = types.ModuleType |
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32 |
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33 if os.name != 'nt': |
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34 try: |
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35 import distutils.msvc9compiler |
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36 print('distutils.msvc9compiler needs to be an immediate ' |
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37 'importerror on non-windows platforms') |
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38 distutils.msvc9compiler |
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39 except ImportError: |
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40 pass |
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41 |
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42 import re |
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43 |
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44 rsub = re.sub |
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45 def f(obj): |
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46 l = repr(obj) |
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47 l = rsub("0x[0-9a-fA-F]+", "0x?", l) |
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48 l = rsub("from '.*'", "from '?'", l) |
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49 l = rsub("'<[a-z]*>'", "'<whatever>'", l) |
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50 return l |
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51 |
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52 demandimport.disable() |
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53 os.environ['HGDEMANDIMPORT'] = 'disable' |
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54 # this enable call should not actually enable demandimport! |
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55 demandimport.enable() |
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56 from mercurial import node |
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57 |
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58 # We use assert instead of a unittest test case because having imports inside |
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59 # functions changes behavior of the demand importer. |
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60 if ispy3: |
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61 assert not isinstance(node, _LazyModule) |
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62 else: |
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63 assert f(node) == "<module 'mercurial.node' from '?'>", f(node) |
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64 |
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65 # now enable it for real |
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66 del os.environ['HGDEMANDIMPORT'] |
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67 demandimport.enable() |
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68 |
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69 # Test access to special attributes through demandmod proxy |
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70 assert 'mercurial.error' not in sys.modules |
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71 from mercurial import error as errorproxy |
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72 |
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73 if ispy3: |
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74 # unsure why this isn't lazy. |
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75 assert not isinstance(f, _LazyModule) |
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76 assert f(errorproxy) == "<module 'mercurial.error' from '?'>", f(errorproxy) |
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77 else: |
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78 assert f(errorproxy) == "<unloaded module 'error'>", f(errorproxy) |
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79 |
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80 doc = ' '.join(errorproxy.__doc__.split()[:3]) |
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81 assert doc == 'Mercurial exceptions. This', doc |
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82 assert errorproxy.__name__ == 'mercurial.error', errorproxy.__name__ |
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83 |
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84 # __name__ must be accessible via __dict__ so the relative imports can be |
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85 # resolved |
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86 name = errorproxy.__dict__['__name__'] |
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87 assert name == 'mercurial.error', name |
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88 |
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89 if ispy3: |
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90 assert not isinstance(errorproxy, _LazyModule) |
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91 assert f(errorproxy) == "<module 'mercurial.error' from '?'>", f(errorproxy) |
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92 else: |
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93 assert f(errorproxy) == "<proxied module 'error'>", f(errorproxy) |
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94 |
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95 import os |
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96 |
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97 if ispy3: |
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98 assert not isinstance(os, _LazyModule) |
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99 assert f(os) == "<module 'os' from '?'>", f(os) |
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100 else: |
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101 assert f(os) == "<unloaded module 'os'>", f(os) |
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102 |
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103 assert f(os.system) == '<built-in function system>', f(os.system) |
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104 assert f(os) == "<module 'os' from '?'>", f(os) |
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105 |
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106 assert 'mercurial.utils.procutil' not in sys.modules |
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107 from mercurial.utils import procutil |
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108 |
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109 if ispy3: |
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110 assert isinstance(procutil, _LazyModule) |
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111 assert f(procutil) == "<module 'mercurial.utils.procutil' from '?'>", f( |
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112 procutil |
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113 ) |
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114 else: |
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115 assert f(procutil) == "<unloaded module 'procutil'>", f(procutil) |
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116 |
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117 assert f(procutil.system) == '<function system at 0x?>', f(procutil.system) |
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118 assert procutil.__class__ == moduletype, procutil.__class__ |
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119 assert f(procutil) == "<module 'mercurial.utils.procutil' from '?'>", f( |
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120 procutil |
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121 ) |
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122 assert f(procutil.system) == '<function system at 0x?>', f(procutil.system) |
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123 |
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124 assert 'mercurial.hgweb' not in sys.modules |
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125 from mercurial import hgweb |
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126 |
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127 if ispy3: |
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128 assert not isinstance(hgweb, _LazyModule) |
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129 assert f(hgweb) == "<module 'mercurial.hgweb' from '?'>", f(hgweb) |
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130 assert isinstance(hgweb.hgweb_mod, _LazyModule) |
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131 assert ( |
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132 f(hgweb.hgweb_mod) == "<module 'mercurial.hgweb.hgweb_mod' from '?'>" |
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133 ), f(hgweb.hgweb_mod) |
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134 else: |
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135 assert f(hgweb) == "<unloaded module 'hgweb'>", f(hgweb) |
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136 assert f(hgweb.hgweb_mod) == "<unloaded module 'hgweb_mod'>", f( |
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137 hgweb.hgweb_mod |
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138 ) |
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139 |
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140 assert f(hgweb) == "<module 'mercurial.hgweb' from '?'>", f(hgweb) |
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141 |
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142 import re as fred |
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143 |
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144 if ispy3: |
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145 assert not isinstance(fred, _LazyModule) |
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146 assert f(fred) == "<module 're' from '?'>" |
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147 else: |
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148 assert f(fred) == "<unloaded module 're'>", f(fred) |
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149 |
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150 import re as remod |
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151 |
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152 if ispy3: |
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153 assert not isinstance(remod, _LazyModule) |
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154 assert f(remod) == "<module 're' from '?'>" |
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155 else: |
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156 assert f(remod) == "<unloaded module 're'>", f(remod) |
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157 |
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158 import sys as re |
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159 |
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160 if ispy3: |
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161 assert not isinstance(re, _LazyModule) |
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162 assert f(re) == "<module 'sys' (built-in)>" |
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163 else: |
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164 assert f(re) == "<unloaded module 'sys'>", f(re) |
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165 |
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166 if ispy3: |
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167 assert not isinstance(fred, _LazyModule) |
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168 assert f(fred) == "<module 're' from '?'>", f(fred) |
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169 else: |
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170 assert f(fred) == "<unloaded module 're'>", f(fred) |
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171 |
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172 assert f(fred.sub) == '<function sub at 0x?>', f(fred.sub) |
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173 |
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174 if ispy3: |
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175 assert not isinstance(fred, _LazyModule) |
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176 assert f(fred) == "<module 're' from '?'>", f(fred) |
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177 else: |
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178 assert f(fred) == "<proxied module 're'>", f(fred) |
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179 |
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180 remod.escape # use remod |
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181 assert f(remod) == "<module 're' from '?'>", f(remod) |
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182 |
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183 if ispy3: |
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184 assert not isinstance(re, _LazyModule) |
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185 assert f(re) == "<module 'sys' (built-in)>" |
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186 assert f(type(re.stderr)) == "<class '_io.TextIOWrapper'>", f( |
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187 type(re.stderr) |
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188 ) |
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189 assert f(re) == "<module 'sys' (built-in)>" |
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190 else: |
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191 assert f(re) == "<unloaded module 'sys'>", f(re) |
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192 assert f(re.stderr) == "<open file '<whatever>', mode 'w' at 0x?>", f( |
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193 re.stderr |
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194 ) |
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195 assert f(re) == "<proxied module 'sys'>", f(re) |
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196 |
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197 assert 'telnetlib' not in sys.modules |
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198 import telnetlib |
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199 |
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200 if ispy3: |
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201 assert not isinstance(telnetlib, _LazyModule) |
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202 assert f(telnetlib) == "<module 'telnetlib' from '?'>" |
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203 else: |
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204 assert f(telnetlib) == "<unloaded module 'telnetlib'>", f(telnetlib) |
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205 |
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206 try: |
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207 from telnetlib import unknownattr |
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208 |
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209 assert False, ( |
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210 'no demandmod should be created for attribute of non-package ' |
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211 'module:\ntelnetlib.unknownattr = %s' % f(unknownattr) |
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212 ) |
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213 except ImportError as inst: |
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214 assert rsub(r"'", '', str(inst)).startswith( |
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215 'cannot import name unknownattr' |
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216 ) |
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217 |
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218 from mercurial import util |
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219 |
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220 # Unlike the import statement, __import__() function should not raise |
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demandimport: do not raise ImportError for unknown item in fromlist
Yuya Nishihara <yuya@tcha.org>
parents:
30022
diff
changeset
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221 # ImportError even if fromlist has an unknown item |
1914db1b7d9e
demandimport: do not raise ImportError for unknown item in fromlist
Yuya Nishihara <yuya@tcha.org>
parents:
30022
diff
changeset
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222 # (see Python/import.c:import_module_level() and ensure_fromlist()) |
41507
30248d6bc057
tests: use unimported modules in test-demandimport.py
Gregory Szorc <gregory.szorc@gmail.com>
parents:
41506
diff
changeset
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223 assert 'zipfile' not in sys.modules |
30248d6bc057
tests: use unimported modules in test-demandimport.py
Gregory Szorc <gregory.szorc@gmail.com>
parents:
41506
diff
changeset
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224 zipfileimp = __import__('zipfile', globals(), locals(), ['unknownattr']) |
30248d6bc057
tests: use unimported modules in test-demandimport.py
Gregory Szorc <gregory.szorc@gmail.com>
parents:
41506
diff
changeset
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225 assert f(zipfileimp) == "<module 'zipfile' from '?'>", f(zipfileimp) |
30248d6bc057
tests: use unimported modules in test-demandimport.py
Gregory Szorc <gregory.szorc@gmail.com>
parents:
41506
diff
changeset
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226 assert not util.safehasattr(zipfileimp, 'unknownattr') |