91 lines
2.8 KiB
Python
91 lines
2.8 KiB
Python
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import pickle
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from collections import namedtuple
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class RecordLevel:
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__slots__ = ("name", "no", "icon")
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def __init__(self, name, no, icon):
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self.name = name
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self.no = no
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self.icon = icon
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def __repr__(self):
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return "(name=%r, no=%r, icon=%r)" % (self.name, self.no, self.icon)
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def __format__(self, spec):
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return self.name.__format__(spec)
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class RecordFile:
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__slots__ = ("name", "path")
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def __init__(self, name, path):
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self.name = name
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self.path = path
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def __repr__(self):
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return "(name=%r, path=%r)" % (self.name, self.path)
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def __format__(self, spec):
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return self.name.__format__(spec)
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class RecordThread:
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__slots__ = ("id", "name")
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def __init__(self, id_, name):
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self.id = id_
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self.name = name
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def __repr__(self):
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return "(id=%r, name=%r)" % (self.id, self.name)
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def __format__(self, spec):
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return self.id.__format__(spec)
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class RecordProcess:
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__slots__ = ("id", "name")
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def __init__(self, id_, name):
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self.id = id_
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self.name = name
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def __repr__(self):
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return "(id=%r, name=%r)" % (self.id, self.name)
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def __format__(self, spec):
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return self.id.__format__(spec)
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class RecordException(namedtuple("RecordException", ("type", "value", "traceback"))):
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def __repr__(self):
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return "(type=%r, value=%r, traceback=%r)" % (self.type, self.value, self.traceback)
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def __reduce__(self):
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# The traceback is not picklable, therefore it needs to be removed. Additionally, there's a
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# possibility that the exception value is not picklable either. In such cases, we also need
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# to remove it. This is done for user convenience, aiming to prevent error logging caused by
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# custom exceptions from third-party libraries. If the serialization succeeds, we can reuse
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# the pickled value later for optimization (so that it's not pickled twice). It's important
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# to note that custom exceptions might not necessarily raise a PickleError, hence the
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# generic Exception catch.
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try:
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pickled_value = pickle.dumps(self.value)
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except Exception:
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return (RecordException, (self.type, None, None))
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else:
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return (RecordException._from_pickled_value, (self.type, pickled_value, None))
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@classmethod
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def _from_pickled_value(cls, type_, pickled_value, traceback_):
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try:
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# It's safe to use "pickle.loads()" in this case because the pickled value is generated
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# by the same code and is not coming from an untrusted source.
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value = pickle.loads(pickled_value)
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except Exception:
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return cls(type_, None, traceback_)
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else:
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return cls(type_, value, traceback_)
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