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[draft] [Fix] support cfg overwrite by classes #1659

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[draft] [Fix] support cfg overwrite by classes #1659

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662ed5c
[Fix] support overwrite by classes
youqingxiaozhua Aug 15, 2025
84e9c39
[fix] also support overwrite function
youqingxiaozhua Aug 15, 2025
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2 changes: 1 addition & 1 deletion .pre-commit-config.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -63,4 +63,4 @@ repos:
^examples
| ^docs
)
additional_dependencies: ["types-setuptools", "types-requests", "types-PyYAML"]
additional_dependencies: ["setuptools", "types-setuptools", "types-requests", "types-PyYAML"]
7 changes: 7 additions & 0 deletions mmengine/config/config.py
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Expand Up @@ -2,6 +2,7 @@
import ast
import copy
import difflib
import inspect
import os
import os.path as osp
import platform
Expand Down Expand Up @@ -53,6 +54,12 @@ def _lazy2string(cfg_dict, dict_type=None):
return type(cfg_dict)(_lazy2string(v, dict_type) for v in cfg_dict)
elif isinstance(cfg_dict, (LazyAttr, LazyObject)):
return f'{cfg_dict.module}.{str(cfg_dict)}'
elif ((inspect.isclass(cfg_dict) or inspect.isfunction(cfg_dict))
and hasattr(cfg_dict, '__module__')
and hasattr(cfg_dict, '__name__')
and cfg_dict.__module__ != 'builtins'):
# Handle regular class objects by converting to module path string
return f"{cfg_dict.__module__}.{cfg_dict.__name__}"
else:
return cfg_dict

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