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Fix logger pickling error #407

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Apr 30, 2021
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Update QlibLogger
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Derek-Wds committed Apr 30, 2021
commit 51b649ec395f4a80e96dd88b51ebdd8d2a192db2
9 changes: 3 additions & 6 deletions qlib/log.py
Original file line number Diff line number Diff line change
Expand Up @@ -31,12 +31,6 @@ def __init__(self, module_name):
self.module_name = module_name
self.level = 0

def __getstate__(self):
return vars(self)

def __setstate__(self, state):
vars(self).update(state)

def __reduce__(self):
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return (QlibLogger, (self.module_name,))

Expand All @@ -50,6 +44,9 @@ 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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