annotate tests/test-demandimport.py @ 44011:c627f1b2f3c3

rust-index: handle `MixedIndex` in `pyindex_to_graph` On the long run we will want to implement the Graph trait directly in Rust, but for now we take the path with the least amount of change to focus on the coming persistent NodeMap code. We test this new code through with the lazy ancestors code. Differential Revision: https://phab.mercurial-scm.org/D7657
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Thu, 12 Dec 2019 18:11:44 +0100
parents 2372284d9457
children c5e0a9b97b8a
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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
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5 demandimport.enable()
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6
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7 import os
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8 import subprocess
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9 import sys
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10 import types
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11
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12 # Don't import pycompat because it has too many side-effects.
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13 ispy3 = sys.version_info[0] >= 3
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14
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15 # Only run if demandimport is allowed
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16 if subprocess.call(
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17 ['python', '%s/hghave' % os.environ['TESTDIR'], 'demandimport']
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18 ):
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19 sys.exit(80)
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20
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21 # We rely on assert, which gets optimized out.
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22 if sys.flags.optimize:
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23 sys.exit(80)
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24
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25 if ispy3:
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26 from importlib.util import _LazyModule
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27
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28 try:
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29 from importlib.util import _Module as moduletype
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30 except ImportError:
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31 moduletype = types.ModuleType
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32 else:
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33 moduletype = types.ModuleType
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34
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35 if os.name != 'nt':
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36 try:
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37 import distutils.msvc9compiler
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38
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39 print(
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40 'distutils.msvc9compiler needs to be an immediate '
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41 'importerror on non-windows platforms'
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42 )
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43 distutils.msvc9compiler
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44 except ImportError:
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45 pass
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46
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47 import re
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48
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49 rsub = re.sub
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50
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51
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52 def f(obj):
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53 l = repr(obj)
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54 l = rsub("0x[0-9a-fA-F]+", "0x?", l)
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55 l = rsub("from '.*'", "from '?'", l)
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56 l = rsub("'<[a-z]*>'", "'<whatever>'", l)
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57 return l
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58
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59
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60 demandimport.disable()
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61 os.environ['HGDEMANDIMPORT'] = 'disable'
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62 # this enable call should not actually enable demandimport!
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63 demandimport.enable()
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64 from mercurial import node
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65
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66 # We use assert instead of a unittest test case because having imports inside
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67 # functions changes behavior of the demand importer.
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68 if ispy3:
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69 assert not isinstance(node, _LazyModule)
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70 else:
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71 assert f(node) == "<module 'mercurial.node' from '?'>", f(node)
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72
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73 # now enable it for real
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74 del os.environ['HGDEMANDIMPORT']
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75 demandimport.enable()
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76
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77 # Test access to special attributes through demandmod proxy
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78 assert 'mercurial.error' not in sys.modules
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79 from mercurial import error as errorproxy
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80
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81 if ispy3:
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82 # unsure why this isn't lazy.
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83 assert not isinstance(f, _LazyModule)
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84 assert f(errorproxy) == "<module 'mercurial.error' from '?'>", f(errorproxy)
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85 else:
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86 assert f(errorproxy) == "<unloaded module 'error'>", f(errorproxy)
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87
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88 doc = ' '.join(errorproxy.__doc__.split()[:3])
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89 assert doc == 'Mercurial exceptions. This', doc
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90 assert errorproxy.__name__ == 'mercurial.error', errorproxy.__name__
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91
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92 # __name__ must be accessible via __dict__ so the relative imports can be
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93 # resolved
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94 name = errorproxy.__dict__['__name__']
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95 assert name == 'mercurial.error', name
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96
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97 if ispy3:
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98 assert not isinstance(errorproxy, _LazyModule)
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99 assert f(errorproxy) == "<module 'mercurial.error' from '?'>", f(errorproxy)
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100 else:
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101 assert f(errorproxy) == "<proxied module 'error'>", f(errorproxy)
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102
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103 import os
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104
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105 if ispy3:
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106 assert not isinstance(os, _LazyModule)
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107 assert f(os) == "<module 'os' from '?'>", f(os)
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108 else:
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109 assert f(os) == "<unloaded module 'os'>", f(os)
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110
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111 assert f(os.system) == '<built-in function system>', f(os.system)
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112 assert f(os) == "<module 'os' from '?'>", f(os)
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113
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114 assert 'mercurial.utils.procutil' not in sys.modules
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115 from mercurial.utils import procutil
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116
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117 if ispy3:
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118 assert isinstance(procutil, _LazyModule)
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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 else:
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123 assert f(procutil) == "<unloaded module 'procutil'>", f(procutil)
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124
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125 assert f(procutil.system) == '<function system at 0x?>', f(procutil.system)
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126 assert procutil.__class__ == moduletype, procutil.__class__
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127 assert f(procutil) == "<module 'mercurial.utils.procutil' from '?'>", f(
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128 procutil
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129 )
dffd6a301570 py3: replace print() with assert in test-demandimport.py
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37964
diff changeset
130 assert f(procutil.system) == '<function system at 0x?>', f(procutil.system)
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Matt Mackall <mpm@selenic.com>
parents:
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131
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132 assert 'mercurial.hgweb' not in sys.modules
27535
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Bryan O'Sullivan <bos@serpentine.com>
parents: 23643
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133 from mercurial import hgweb
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134
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
135 if ispy3:
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
136 assert not isinstance(hgweb, _LazyModule)
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
137 assert f(hgweb) == "<module 'mercurial.hgweb' from '?'>", f(hgweb)
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
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138 assert isinstance(hgweb.hgweb_mod, _LazyModule)
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
139 assert (
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
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140 f(hgweb.hgweb_mod) == "<module 'mercurial.hgweb.hgweb_mod' from '?'>"
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
141 ), f(hgweb.hgweb_mod)
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
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142 else:
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
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143 assert f(hgweb) == "<unloaded module 'hgweb'>", f(hgweb)
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
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144 assert f(hgweb.hgweb_mod) == "<unloaded module 'hgweb_mod'>", f(
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
145 hgweb.hgweb_mod
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
146 )
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
147
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148 assert f(hgweb) == "<module 'mercurial.hgweb' from '?'>", f(hgweb)
27535
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Bryan O'Sullivan <bos@serpentine.com>
parents: 23643
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149
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150 import re as fred
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151
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
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diff changeset
152 if ispy3:
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
153 assert not isinstance(fred, _LazyModule)
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
154 assert f(fred) == "<module 're' from '?'>"
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
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155 else:
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
156 assert f(fred) == "<unloaded module 're'>", f(fred)
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Matt Mackall <mpm@selenic.com>
parents:
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157
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Yuya Nishihara <yuya@tcha.org>
parents: 30647
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158 import re as remod
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Gregory Szorc <gregory.szorc@gmail.com>
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159
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
160 if ispy3:
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
161 assert not isinstance(remod, _LazyModule)
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
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162 assert f(remod) == "<module 're' from '?'>"
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
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163 else:
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
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164 assert f(remod) == "<unloaded module 're'>", f(remod)
32447
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Yuya Nishihara <yuya@tcha.org>
parents: 30647
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165
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166 import sys as re
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167
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
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168 if ispy3:
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
169 assert not isinstance(re, _LazyModule)
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
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170 assert f(re) == "<module 'sys' (built-in)>"
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
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171 else:
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
172 assert f(re) == "<unloaded module 'sys'>", f(re)
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Matt Mackall <mpm@selenic.com>
parents:
diff changeset
173
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Gregory Szorc <gregory.szorc@gmail.com>
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diff changeset
174 if ispy3:
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
175 assert not isinstance(fred, _LazyModule)
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
176 assert f(fred) == "<module 're' from '?'>", f(fred)
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
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177 else:
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
178 assert f(fred) == "<unloaded module 're'>", f(fred)
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
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179
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 37964
diff changeset
180 assert f(fred.sub) == '<function sub at 0x?>', f(fred.sub)
41506
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
181
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
182 if ispy3:
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
183 assert not isinstance(fred, _LazyModule)
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
184 assert f(fred) == "<module 're' from '?'>", f(fred)
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
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185 else:
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
186 assert f(fred) == "<proxied module 're'>", f(fred)
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Matt Mackall <mpm@selenic.com>
parents:
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187
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Yuya Nishihara <yuya@tcha.org>
parents: 30647
diff changeset
188 remod.escape # use remod
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parents: 37964
diff changeset
189 assert f(remod) == "<module 're' from '?'>", f(remod)
32447
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Yuya Nishihara <yuya@tcha.org>
parents: 30647
diff changeset
190
41506
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
191 if ispy3:
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
192 assert not isinstance(re, _LazyModule)
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
193 assert f(re) == "<module 'sys' (built-in)>"
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
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194 assert f(type(re.stderr)) == "<class '_io.TextIOWrapper'>", f(
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
195 type(re.stderr)
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
196 )
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
197 assert f(re) == "<module 'sys' (built-in)>"
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
198 else:
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
199 assert f(re) == "<unloaded module 'sys'>", f(re)
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
200 assert f(re.stderr) == "<open file '<whatever>', mode 'w' at 0x?>", f(
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
201 re.stderr
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
202 )
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
203 assert f(re) == "<proxied module 'sys'>", f(re)
21025
54af51c18c4c demandimport: make it possible to disable by setting HGDEMANDIMPORT=disable
Mads Kiilerich <madski@unity3d.com>
parents: 13083
diff changeset
204
41507
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 41506
diff changeset
205 assert 'telnetlib' not in sys.modules
30248d6bc057 tests: use unimported modules in test-demandimport.py
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41506
diff changeset
206 import telnetlib
41506
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
207
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
208 if ispy3:
41507
30248d6bc057 tests: use unimported modules in test-demandimport.py
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41506
diff changeset
209 assert not isinstance(telnetlib, _LazyModule)
30248d6bc057 tests: use unimported modules in test-demandimport.py
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41506
diff changeset
210 assert f(telnetlib) == "<module 'telnetlib' from '?'>"
41506
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
211 else:
41507
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 41506
diff changeset
212 assert f(telnetlib) == "<unloaded module 'telnetlib'>", f(telnetlib)
41506
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
213
30022
26a4e46af2bc demandimport: error out early on missing attribute of non package (issue5373)
Yuya Nishihara <yuya@tcha.org>
parents: 29981
diff changeset
214 try:
41507
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 41506
diff changeset
215 from telnetlib import unknownattr
41505
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 37964
diff changeset
216
dffd6a301570 py3: replace print() with assert in test-demandimport.py
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37964
diff changeset
217 assert False, (
dffd6a301570 py3: replace print() with assert in test-demandimport.py
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37964
diff changeset
218 'no demandmod should be created for attribute of non-package '
41507
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 41506
diff changeset
219 'module:\ntelnetlib.unknownattr = %s' % f(unknownattr)
41505
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 37964
diff changeset
220 )
30022
26a4e46af2bc demandimport: error out early on missing attribute of non package (issue5373)
Yuya Nishihara <yuya@tcha.org>
parents: 29981
diff changeset
221 except ImportError as inst:
41506
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
222 assert rsub(r"'", '', str(inst)).startswith(
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
223 'cannot import name unknownattr'
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
224 )
30647
1914db1b7d9e demandimport: do not raise ImportError for unknown item in fromlist
Yuya Nishihara <yuya@tcha.org>
parents: 30022
diff changeset
225
37964
1d0610fdd63b tests: migrate demandimport.py away from deprecated `util` module symbols
Matt Harbison <matt_harbison@yahoo.com>
parents: 36251
diff changeset
226 from mercurial import util
1d0610fdd63b tests: migrate demandimport.py away from deprecated `util` module symbols
Matt Harbison <matt_harbison@yahoo.com>
parents: 36251
diff changeset
227
30647
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Yuya Nishihara <yuya@tcha.org>
parents: 30022
diff changeset
228 # Unlike the import statement, __import__() function should not raise
1914db1b7d9e demandimport: do not raise ImportError for unknown item in fromlist
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parents: 30022
diff changeset
229 # ImportError even if fromlist has an unknown item
1914db1b7d9e demandimport: do not raise ImportError for unknown item in fromlist
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parents: 30022
diff changeset
230 # (see Python/import.c:import_module_level() and ensure_fromlist())
41507
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 41506
diff changeset
231 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
232 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
233 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
234 assert not util.safehasattr(zipfileimp, 'unknownattr')