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[Fix] Fix get class attribute from a string #1345

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merged 5 commits into from
Sep 18, 2023
Merged

[Fix] Fix get class attribute from a string #1345

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ce60946
[Fix] Fix get obj from string
HAOCHENYE Sep 7, 2023
b35a1e0
Fix
HAOCHENYE Sep 7, 2023
8f72088
fix return obj
HAOCHENYE Sep 11, 2023
3b3da67
update ut
HAOCHENYE Sep 12, 2023
fff1004
Merge branch 'fix_get_obj_from_string' of github.com:HAOCHENYE/mmengi…
HAOCHENYE Sep 12, 2023
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5 changes: 3 additions & 2 deletions mmengine/utils/misc.py
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Original file line number Diff line number Diff line change
Expand Up @@ -532,11 +532,12 @@ def get_object_from_string(obj_name: str):
return None

# get class or attribute from module
obj = module
while True:
try:
obj_cls = getattr(module, part)
obj = getattr(obj, part)
part = next(parts)
except StopIteration:
return obj_cls
return obj
except AttributeError:
return None
2 changes: 2 additions & 0 deletions tests/test_utils/test_misc.py
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Original file line number Diff line number Diff line change
Expand Up @@ -336,3 +336,5 @@ def test_locate():
assert get_object_from_string('mmengine.model') is model_module
assert get_object_from_string(
'mmengine.model.BaseModel') is model_module.BaseModel
assert get_object_from_string('mmengine.model.BaseModel.forward') is \
model_module.BaseModel.forward
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