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import pickle
import unittest
import io
from test import test_support
from test.pickletester import AbstractPickleTests
from test.pickletester import AbstractPickleModuleTests
from test.pickletester import AbstractPersistentPicklerTests
class PickleTests(AbstractPickleTests, AbstractPickleModuleTests):
def dumps(self, arg, proto=0, fast=0):
# Ignore fast
return pickle.dumps(arg, proto)
def loads(self, buf):
# Ignore fast
return pickle.loads(buf)
module = pickle
error = KeyError
class PicklerTests(AbstractPickleTests):
error = KeyError
def dumps(self, arg, proto=0, fast=0):
f = io.BytesIO()
p = pickle.Pickler(f, proto)
if fast:
p.fast = fast
p.dump(arg)
f.seek(0)
return bytes(f.read())
def loads(self, buf):
f = io.BytesIO(buf)
u = pickle.Unpickler(f)
return u.load()
class PersPicklerTests(AbstractPersistentPicklerTests):
def dumps(self, arg, proto=0, fast=0):
class PersPickler(pickle.Pickler):
def persistent_id(subself, obj):
return self.persistent_id(obj)
f = io.BytesIO()
p = PersPickler(f, proto)
if fast:
p.fast = fast
p.dump(arg)
f.seek(0)
return f.read()
def loads(self, buf):
class PersUnpickler(pickle.Unpickler):
def persistent_load(subself, obj):
return self.persistent_load(obj)
f = io.BytesIO(buf)
u = PersUnpickler(f)
return u.load()
def test_main():
test_support.run_unittest(
PickleTests,
PicklerTests,
PersPicklerTests
)
test_support.run_doctest(pickle)
if __name__ == "__main__":
test_main()
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