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Code Issues Projects Releases Packages Wiki Activity Actions 13

Issue #19413: Restore pre-3.3 reload() semantics of re-finding modules.

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This commit is contained in:
Eric Snow 2013-10-31 22:22:15 -06:00
parent dcdd05b0b4
commit cdf601281f
5 changed files with 642 additions and 507 deletions
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8
Lib/importlib/_bootstrap.py
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@ -1510,15 +1510,19 @@ def _find_module(name, path):
"""Find a module's loader."""
if not sys.meta_path:
_warnings.warn('sys.meta_path is empty', ImportWarning)
is_reload = name in sys.modules
for finder in sys.meta_path:
with _ImportLockContext():
loader = finder.find_module(name, path)
if loader is not None:
# The parent import may have already imported this module.
if name not in sys.modules:
if is_reload or name not in sys.modules:
return loader
else:
return sys.modules[name].__loader__
try:
return sys.modules[name].__loader__
except AttributeError:
return loader
else:
return None