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Issue #17098: Be more stringent of setting __loader__ on early imported

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modules. Also made test more rigorous.
This commit is contained in:
Brett Cannon 2013-02-01 15:31:49 -05:00
parent e7387b4708
commit da9cf0eef8
3 changed files with 310 additions and 294 deletions
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7
Lib/importlib/_bootstrap.py
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@ -1704,10 +1704,13 @@ def _setup(sys_module, _imp_module):
BYTECODE_SUFFIXES = DEBUG_BYTECODE_SUFFIXES
module_type = type(sys)
for module in sys.modules.values():
for name, module in sys.modules.items():
if isinstance(module, module_type):
if not hasattr(module, '__loader__'):
module.__loader__ = BuiltinImporter
if name in sys.builtin_module_names:
module.__loader__ = BuiltinImporter
elif _imp.is_frozen(name):
module.__loader__ = FrozenImporter
self_module = sys.modules[__name__]
for builtin_name in ('_io', '_warnings', 'builtins', 'marshal'):