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pickle exceptions with __context__ info #69

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pickle exceptions with __context__ info #69

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6 changes: 4 additions & 2 deletions src/tblib/pickling_support.py
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Original file line number Diff line number Diff line change
Expand Up @@ -22,9 +22,11 @@ def pickle_traceback(tb):
return unpickle_traceback, (Frame(tb.tb_frame), tb.tb_lineno, tb.tb_next and Traceback(tb.tb_next))


def unpickle_exception(func, args, cause, tb):
def unpickle_exception(func, args, cause, context, suppress, tb):
inst = func(*args)
inst.__cause__ = cause
inst.__context__ = context
inst.__suppress_context__ = suppress
inst.__traceback__ = tb
return inst

Expand All @@ -42,7 +44,7 @@ def pickle_exception(obj):
raise TypeError("str __reduce__ output is not supported")
assert isinstance(rv, tuple) and len(rv) >= 2

return (unpickle_exception, rv[:2] + (obj.__cause__, obj.__traceback__)) + rv[2:]
return (unpickle_exception, rv[:2] + (obj.__cause__, obj.__context__, obj.__suppress_context__, obj.__traceback__)) + rv[2:]


def _get_subclasses(cls):
Expand Down