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3379250232
This is the behavior of the default __import__() function, which doesn't validate the existence of the fromlist items. Later on, the missing attribute is detected while processing the import statement. https://hg.python.org/cpython/file/v2.7.13/Python/import.c#l2575 The comtypes library relies on this (maybe) undocumented behavior, and we got a bug report to TortoiseHg, sigh. https://bitbucket.org/tortoisehg/thg/issues/4647/ The test added at 0be19b069edf verifies the behavior of the import statement, so this patch only adds the test of __import__() function and works around CPython/PyPy difference.
24 lines
910 B
Plaintext
24 lines
910 B
Plaintext
os = <unloaded module 'os'>
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os.system = <built-in function system>
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os = <module 'os' from '?'>
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util = <unloaded module 'util'>
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util.system = <function system at 0x?>
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util = <module 'mercurial.util' from '?'>
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util.system = <function system at 0x?>
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hgweb = <unloaded module 'hgweb'>
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hgweb_mod = <unloaded module 'hgweb_mod'>
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hgweb = <module 'mercurial.hgweb' from '?'>
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fred = <unloaded module 're'>
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re = <unloaded module 'sys'>
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fred = <unloaded module 're'>
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fred.sub = <function sub at 0x?>
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fred = <proxied module 're'>
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re = <unloaded module 'sys'>
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re.stderr = <open file '<whatever>', mode 'w' at 0x?>
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re = <proxied module 'sys'>
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contextlib = <unloaded module 'contextlib'>
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contextlib.unknownattr = ImportError: cannot import name unknownattr
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__import__('contextlib', ..., ['unknownattr']) = <module 'contextlib' from '?'>
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hasattr(contextlibimp, 'unknownattr') = False
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node = <module 'mercurial.node' from '?'>
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