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Implement PEP 451 (ModuleSpec).

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Eric Snow 2013-11-22 09:05:39 -07:00
parent 9e6097ebe7
commit b523f8433a
37 changed files with 6972 additions and 4387 deletions
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11
Lib/multiprocessing/spawn.py
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@ -245,14 +245,13 @@ def import_main_path(main_path):
# We should not try to load __main__
# since that would execute 'if __name__ == "__main__"'
# clauses, potentially causing a psuedo fork bomb.
loader = importlib.find_loader(main_name, path=dirs)
main_module = types.ModuleType(main_name)
try:
loader.init_module_attrs(main_module)
except AttributeError: # init_module_attrs is optional
pass
# XXX Use a target of main_module?
spec = importlib.find_spec(main_name, path=dirs)
methods = importlib._bootstrap._SpecMethods(spec)
methods.init_module_attrs(main_module)
main_module.__name__ = '__mp_main__'
code = loader.get_code(main_name)
code = spec.loader.get_code(main_name)
exec(code, main_module.__dict__)
old_main_modules.append(sys.modules['__main__'])