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Refs #33107 -- Optimized cached_import() helper.

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Nick Pope 2021-10-04 06:47:49 +01:00 committed by GitHub
parent 1953dd02b6
commit a3185a6701
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1 changed files with 7 additions and 7 deletions
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14
django/utils/module_loading.py
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@ -6,14 +6,14 @@ from importlib.util import find_spec as importlib_find
def cached_import(module_path, class_name):
modules = sys.modules
if module_path not in modules or (
# Module is not fully initialized.
getattr(modules[module_path], '__spec__', None) is not None and
getattr(modules[module_path].__spec__, '_initializing', False) is True
# Check whether module is loaded and fully initialized.
if not (
(module := sys.modules.get(module_path)) and
(spec := getattr(module, '__spec__', None)) and
getattr(spec, '_initializing', False) is False
):
import_module(module_path)
return getattr(modules[module_path], class_name)
module = import_module(module_path)
return getattr(module, class_name)
def import_string(dotted_path):