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Fix logger pickling error #407

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Merged
merged 4 commits into from
Apr 30, 2021
Merged

Fix logger pickling error #407

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f58c61a
Fix logger pickling error
Derek-Wds Apr 29, 2021
ca92cb9
Update meta logger
Derek-Wds Apr 29, 2021
51b649e
Update QlibLogger
Derek-Wds Apr 30, 2021
5eb9dff
Remove redundant
Derek-Wds Apr 30, 2021
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10 changes: 7 additions & 3 deletions qlib/log.py
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Original file line number Diff line number Diff line change
Expand Up @@ -15,9 +15,10 @@
class MetaLogger(type):
def __new__(cls, name, bases, dict):
wrapper_dict = logging.Logger.__dict__.copy()
wrapper_dict.update(dict)
wrapper_dict["__doc__"] = logging.Logger.__doc__
return type.__new__(cls, name, bases, wrapper_dict)
for key in wrapper_dict:
if key not in dict and key != "__reduce__":
dict[key] = wrapper_dict[key]
return type.__new__(cls, name, bases, dict)


class QlibLogger(metaclass=MetaLogger):
Expand All @@ -39,6 +40,9 @@ def setLevel(self, level):
self.level = level

def __getattr__(self, name):
# During unpickling, python will call __getattr__. Use this line to avoid maximum recursion error.
if name in {"__setstate__"}:
raise AttributeError
return self.logger.__getattribute__(name)


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