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@@ -1,238 +1,238 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 | from mercurial import demandimport |
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4 | 4 | |
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5 | 5 | demandimport.enable() |
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6 | 6 | |
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7 | 7 | import os |
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8 | 8 | import subprocess |
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9 | 9 | import sys |
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10 | 10 | import types |
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11 | 11 | |
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12 | 12 | # Don't import pycompat because it has too many side-effects. |
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13 | 13 | ispy3 = sys.version_info[0] >= 3 |
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14 | 14 | |
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15 | 15 | # Only run if demandimport is allowed |
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16 | 16 | if subprocess.call( |
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17 | 17 | ['python', '%s/hghave' % os.environ['TESTDIR'], 'demandimport'] |
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18 | 18 | ): |
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19 | 19 | sys.exit(80) |
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20 | 20 | |
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21 | 21 | # We rely on assert, which gets optimized out. |
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22 | 22 | if sys.flags.optimize: |
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23 | 23 | sys.exit(80) |
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24 | 24 | |
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25 | 25 | # The demand importer doesn't work on Python 3.5. |
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26 | 26 | if sys.version_info[0:2] == (3, 5): |
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27 | 27 | sys.exit(80) |
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28 | 28 | |
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29 | 29 | if ispy3: |
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30 | 30 | from importlib.util import _LazyModule |
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31 | 31 | |
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32 | 32 | try: |
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33 | 33 | from importlib.util import _Module as moduletype |
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34 | 34 | except ImportError: |
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35 | 35 | moduletype = types.ModuleType |
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36 | 36 | else: |
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37 | 37 | moduletype = types.ModuleType |
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38 | 38 | |
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39 | 39 | if os.name != 'nt': |
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40 | 40 | try: |
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41 | 41 | import distutils.msvc9compiler |
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42 | 42 | |
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43 | 43 | print( |
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44 | 44 | 'distutils.msvc9compiler needs to be an immediate ' |
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45 | 45 | 'importerror on non-windows platforms' |
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46 | 46 | ) |
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47 | 47 | distutils.msvc9compiler |
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48 | 48 | except ImportError: |
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49 | 49 | pass |
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50 | 50 | |
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51 | 51 | import re |
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52 | 52 | |
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53 | 53 | rsub = re.sub |
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54 | 54 | |
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55 | 55 | |
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56 | 56 | def f(obj): |
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57 | 57 | l = repr(obj) |
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58 | 58 | l = rsub("0x[0-9a-fA-F]+", "0x?", l) |
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59 | 59 | l = rsub("from '.*'", "from '?'", l) |
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60 | 60 | l = rsub("'<[a-z]*>'", "'<whatever>'", l) |
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61 | 61 | return l |
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62 | 62 | |
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63 | 63 | |
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64 | 64 | demandimport.disable() |
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65 | 65 | os.environ['HGDEMANDIMPORT'] = 'disable' |
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66 | 66 | # this enable call should not actually enable demandimport! |
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67 | 67 | demandimport.enable() |
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68 | 68 | from mercurial import node |
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69 | 69 | |
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70 | 70 | # We use assert instead of a unittest test case because having imports inside |
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71 | 71 | # functions changes behavior of the demand importer. |
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72 | 72 | if ispy3: |
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73 | 73 | assert not isinstance(node, _LazyModule) |
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74 | 74 | else: |
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75 | 75 | assert f(node) == "<module 'mercurial.node' from '?'>", f(node) |
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76 | 76 | |
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77 | 77 | # now enable it for real |
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78 | 78 | del os.environ['HGDEMANDIMPORT'] |
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79 | 79 | demandimport.enable() |
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80 | 80 | |
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81 | 81 | # Test access to special attributes through demandmod proxy |
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82 | 82 | assert 'mercurial.error' not in sys.modules |
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83 | 83 | from mercurial import error as errorproxy |
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84 | 84 | |
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85 | 85 | if ispy3: |
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86 | 86 | # unsure why this isn't lazy. |
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87 | 87 | assert not isinstance(f, _LazyModule) |
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88 | 88 | assert f(errorproxy) == "<module 'mercurial.error' from '?'>", f(errorproxy) |
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89 | 89 | else: |
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90 | 90 | assert f(errorproxy) == "<unloaded module 'error'>", f(errorproxy) |
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91 | 91 | |
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92 | 92 | doc = ' '.join(errorproxy.__doc__.split()[:3]) |
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93 | 93 | assert doc == 'Mercurial exceptions. This', doc |
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94 | 94 | assert errorproxy.__name__ == 'mercurial.error', errorproxy.__name__ |
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95 | 95 | |
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96 | 96 | # __name__ must be accessible via __dict__ so the relative imports can be |
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97 | 97 | # resolved |
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98 | 98 | name = errorproxy.__dict__['__name__'] |
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99 | 99 | assert name == 'mercurial.error', name |
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100 | 100 | |
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101 | 101 | if ispy3: |
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102 | 102 | assert not isinstance(errorproxy, _LazyModule) |
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103 | 103 | assert f(errorproxy) == "<module 'mercurial.error' from '?'>", f(errorproxy) |
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104 | 104 | else: |
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105 | 105 | assert f(errorproxy) == "<proxied module 'error'>", f(errorproxy) |
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106 | 106 | |
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107 | 107 | import os |
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108 | 108 | |
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109 | 109 | if ispy3: |
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110 | 110 | assert not isinstance(os, _LazyModule) |
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111 | 111 | assert f(os) == "<module 'os' from '?'>", f(os) |
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112 | 112 | else: |
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113 | 113 | assert f(os) == "<unloaded module 'os'>", f(os) |
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114 | 114 | |
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115 | 115 | assert f(os.system) == '<built-in function system>', f(os.system) |
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116 | 116 | assert f(os) == "<module 'os' from '?'>", f(os) |
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117 | 117 | |
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118 | 118 | assert 'mercurial.utils.procutil' not in sys.modules |
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119 | 119 | from mercurial.utils import procutil |
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120 | 120 | |
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121 | 121 | if ispy3: |
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122 | 122 | assert isinstance(procutil, _LazyModule) |
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123 | 123 | assert f(procutil) == "<module 'mercurial.utils.procutil' from '?'>", f( |
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124 | 124 | procutil |
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125 | 125 | ) |
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126 | 126 | else: |
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127 | 127 | assert f(procutil) == "<unloaded module 'procutil'>", f(procutil) |
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128 | 128 | |
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129 | 129 | assert f(procutil.system) == '<function system at 0x?>', f(procutil.system) |
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130 | 130 | assert procutil.__class__ == moduletype, procutil.__class__ |
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131 | 131 | assert f(procutil) == "<module 'mercurial.utils.procutil' from '?'>", f( |
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132 | 132 | procutil |
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133 | 133 | ) |
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134 | 134 | assert f(procutil.system) == '<function system at 0x?>', f(procutil.system) |
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135 | 135 | |
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136 | 136 | assert 'mercurial.hgweb' not in sys.modules |
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137 | 137 | from mercurial import hgweb |
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138 | 138 | |
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139 | 139 | if ispy3: |
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140 | 140 | assert isinstance(hgweb, _LazyModule) |
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141 | 141 | assert f(hgweb) == "<module 'mercurial.hgweb' from '?'>", f(hgweb) |
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142 | 142 | assert isinstance(hgweb.hgweb_mod, _LazyModule) |
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143 | 143 | assert ( |
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144 | 144 | f(hgweb.hgweb_mod) == "<module 'mercurial.hgweb.hgweb_mod' from '?'>" |
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145 | 145 | ), f(hgweb.hgweb_mod) |
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146 | 146 | else: |
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147 | 147 | assert f(hgweb) == "<unloaded module 'hgweb'>", f(hgweb) |
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148 | 148 | assert f(hgweb.hgweb_mod) == "<unloaded module 'hgweb_mod'>", f( |
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149 | 149 | hgweb.hgweb_mod |
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150 | 150 | ) |
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151 | 151 | |
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152 | 152 | assert f(hgweb) == "<module 'mercurial.hgweb' from '?'>", f(hgweb) |
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153 | 153 | |
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154 | 154 | import re as fred |
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155 | 155 | |
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156 | 156 | if ispy3: |
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157 | 157 | assert not isinstance(fred, _LazyModule) |
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158 | 158 | assert f(fred) == "<module 're' from '?'>" |
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159 | 159 | else: |
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160 | 160 | assert f(fred) == "<unloaded module 're'>", f(fred) |
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161 | 161 | |
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162 | 162 | import re as remod |
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163 | 163 | |
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164 | 164 | if ispy3: |
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165 | 165 | assert not isinstance(remod, _LazyModule) |
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166 | 166 | assert f(remod) == "<module 're' from '?'>" |
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167 | 167 | else: |
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168 | 168 | assert f(remod) == "<unloaded module 're'>", f(remod) |
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169 | 169 | |
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170 | 170 | import sys as re |
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171 | 171 | |
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172 | 172 | if ispy3: |
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173 | 173 | assert not isinstance(re, _LazyModule) |
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174 | 174 | assert f(re) == "<module 'sys' (built-in)>" |
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175 | 175 | else: |
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176 | 176 | assert f(re) == "<unloaded module 'sys'>", f(re) |
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177 | 177 | |
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178 | 178 | if ispy3: |
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179 | 179 | assert not isinstance(fred, _LazyModule) |
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180 | 180 | assert f(fred) == "<module 're' from '?'>", f(fred) |
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181 | 181 | else: |
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182 | 182 | assert f(fred) == "<unloaded module 're'>", f(fred) |
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183 | 183 | |
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184 | 184 | assert f(fred.sub) == '<function sub at 0x?>', f(fred.sub) |
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185 | 185 | |
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186 | 186 | if ispy3: |
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187 | 187 | assert not isinstance(fred, _LazyModule) |
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188 | 188 | assert f(fred) == "<module 're' from '?'>", f(fred) |
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189 | 189 | else: |
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190 | 190 | assert f(fred) == "<proxied module 're'>", f(fred) |
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191 | 191 | |
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192 | 192 | remod.escape # use remod |
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193 | 193 | assert f(remod) == "<module 're' from '?'>", f(remod) |
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194 | 194 | |
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195 | 195 | if ispy3: |
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196 | 196 | assert not isinstance(re, _LazyModule) |
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197 | 197 | assert f(re) == "<module 'sys' (built-in)>" |
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198 | 198 | assert f(type(re.stderr)) == "<class '_io.TextIOWrapper'>", f( |
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199 | 199 | type(re.stderr) |
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200 | 200 | ) |
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201 | 201 | assert f(re) == "<module 'sys' (built-in)>" |
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202 | 202 | else: |
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203 | 203 | assert f(re) == "<unloaded module 'sys'>", f(re) |
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204 | 204 | assert f(re.stderr) == "<open file '<whatever>', mode 'w' at 0x?>", f( |
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205 | 205 | re.stderr |
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206 | 206 | ) |
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207 | 207 | assert f(re) == "<proxied module 'sys'>", f(re) |
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208 | 208 | |
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209 | 209 | assert 'telnetlib' not in sys.modules |
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210 | 210 | import telnetlib |
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211 | 211 | |
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212 | 212 | if ispy3: |
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213 | 213 | assert isinstance(telnetlib, _LazyModule) |
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214 | 214 | assert f(telnetlib) == "<module 'telnetlib' from '?'>" |
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215 | 215 | else: |
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216 | 216 | assert f(telnetlib) == "<unloaded module 'telnetlib'>", f(telnetlib) |
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217 | 217 | |
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218 | 218 | try: |
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219 | 219 | from telnetlib import unknownattr |
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220 | 220 | |
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221 | 221 | assert False, ( |
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222 | 222 | 'no demandmod should be created for attribute of non-package ' |
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223 | 223 | 'module:\ntelnetlib.unknownattr = %s' % f(unknownattr) |
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224 | 224 | ) |
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225 | 225 | except ImportError as inst: |
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226 | 226 | assert rsub(r"'", '', str(inst)).startswith( |
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227 | 227 | 'cannot import name unknownattr' |
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228 | 228 | ) |
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229 | 229 | |
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230 | 230 | from mercurial import util |
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231 | 231 | |
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232 | 232 | # Unlike the import statement, __import__() function should not raise |
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233 | 233 | # ImportError even if fromlist has an unknown item |
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234 | 234 | # (see Python/import.c:import_module_level() and ensure_fromlist()) |
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235 |
assert ' |
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236 |
zipfileimp = __import__(' |
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237 |
assert f(zipfileimp) == "<module ' |
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235 | assert 'ftplib' not in sys.modules | |
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236 | zipfileimp = __import__('ftplib', globals(), locals(), ['unknownattr']) | |
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237 | assert f(zipfileimp) == "<module 'ftplib' from '?'>", f(zipfileimp) | |
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238 | 238 | assert not util.safehasattr(zipfileimp, 'unknownattr') |
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