mirror of
https://github.com/python/cpython.git
synced 2024-12-26 10:14:58 +08:00
153 lines
4.4 KiB
Python
153 lines
4.4 KiB
Python
import pickle
|
|
import io
|
|
import collections
|
|
|
|
from test import support
|
|
|
|
from test.pickletester import AbstractPickleTests
|
|
from test.pickletester import AbstractPickleModuleTests
|
|
from test.pickletester import AbstractPersistentPicklerTests
|
|
from test.pickletester import AbstractPicklerUnpicklerObjectTests
|
|
from test.pickletester import AbstractDispatchTableTests
|
|
from test.pickletester import BigmemPickleTests
|
|
|
|
try:
|
|
import _pickle
|
|
has_c_implementation = True
|
|
except ImportError:
|
|
has_c_implementation = False
|
|
|
|
|
|
class PickleTests(AbstractPickleModuleTests):
|
|
pass
|
|
|
|
|
|
class PyPicklerTests(AbstractPickleTests):
|
|
|
|
pickler = pickle._Pickler
|
|
unpickler = pickle._Unpickler
|
|
|
|
def dumps(self, arg, proto=None):
|
|
f = io.BytesIO()
|
|
p = self.pickler(f, proto)
|
|
p.dump(arg)
|
|
f.seek(0)
|
|
return bytes(f.read())
|
|
|
|
def loads(self, buf, **kwds):
|
|
f = io.BytesIO(buf)
|
|
u = self.unpickler(f, **kwds)
|
|
return u.load()
|
|
|
|
|
|
class InMemoryPickleTests(AbstractPickleTests, BigmemPickleTests):
|
|
|
|
pickler = pickle._Pickler
|
|
unpickler = pickle._Unpickler
|
|
|
|
def dumps(self, arg, protocol=None):
|
|
return pickle.dumps(arg, protocol)
|
|
|
|
def loads(self, buf, **kwds):
|
|
return pickle.loads(buf, **kwds)
|
|
|
|
|
|
class PyPersPicklerTests(AbstractPersistentPicklerTests):
|
|
|
|
pickler = pickle._Pickler
|
|
unpickler = pickle._Unpickler
|
|
|
|
def dumps(self, arg, proto=None):
|
|
class PersPickler(self.pickler):
|
|
def persistent_id(subself, obj):
|
|
return self.persistent_id(obj)
|
|
f = io.BytesIO()
|
|
p = PersPickler(f, proto)
|
|
p.dump(arg)
|
|
f.seek(0)
|
|
return f.read()
|
|
|
|
def loads(self, buf, **kwds):
|
|
class PersUnpickler(self.unpickler):
|
|
def persistent_load(subself, obj):
|
|
return self.persistent_load(obj)
|
|
f = io.BytesIO(buf)
|
|
u = PersUnpickler(f, **kwds)
|
|
return u.load()
|
|
|
|
|
|
class PyPicklerUnpicklerObjectTests(AbstractPicklerUnpicklerObjectTests):
|
|
|
|
pickler_class = pickle._Pickler
|
|
unpickler_class = pickle._Unpickler
|
|
|
|
|
|
class PyDispatchTableTests(AbstractDispatchTableTests):
|
|
pickler_class = pickle._Pickler
|
|
def get_dispatch_table(self):
|
|
return pickle.dispatch_table.copy()
|
|
|
|
|
|
class PyChainDispatchTableTests(AbstractDispatchTableTests):
|
|
pickler_class = pickle._Pickler
|
|
def get_dispatch_table(self):
|
|
return collections.ChainMap({}, pickle.dispatch_table)
|
|
|
|
|
|
if has_c_implementation:
|
|
class CPicklerTests(PyPicklerTests):
|
|
pickler = _pickle.Pickler
|
|
unpickler = _pickle.Unpickler
|
|
|
|
class CPersPicklerTests(PyPersPicklerTests):
|
|
pickler = _pickle.Pickler
|
|
unpickler = _pickle.Unpickler
|
|
|
|
class CDumpPickle_LoadPickle(PyPicklerTests):
|
|
pickler = _pickle.Pickler
|
|
unpickler = pickle._Unpickler
|
|
|
|
class DumpPickle_CLoadPickle(PyPicklerTests):
|
|
pickler = pickle._Pickler
|
|
unpickler = _pickle.Unpickler
|
|
|
|
class CPicklerUnpicklerObjectTests(AbstractPicklerUnpicklerObjectTests):
|
|
pickler_class = _pickle.Pickler
|
|
unpickler_class = _pickle.Unpickler
|
|
|
|
def test_issue18339(self):
|
|
unpickler = self.unpickler_class(io.BytesIO())
|
|
with self.assertRaises(TypeError):
|
|
unpickler.memo = object
|
|
# used to cause a segfault
|
|
with self.assertRaises(ValueError):
|
|
unpickler.memo = {-1: None}
|
|
unpickler.memo = {1: None}
|
|
|
|
class CDispatchTableTests(AbstractDispatchTableTests):
|
|
pickler_class = pickle.Pickler
|
|
def get_dispatch_table(self):
|
|
return pickle.dispatch_table.copy()
|
|
|
|
class CChainDispatchTableTests(AbstractDispatchTableTests):
|
|
pickler_class = pickle.Pickler
|
|
def get_dispatch_table(self):
|
|
return collections.ChainMap({}, pickle.dispatch_table)
|
|
|
|
|
|
def test_main():
|
|
tests = [PickleTests, PyPicklerTests, PyPersPicklerTests,
|
|
PyDispatchTableTests, PyChainDispatchTableTests]
|
|
if has_c_implementation:
|
|
tests.extend([CPicklerTests, CPersPicklerTests,
|
|
CDumpPickle_LoadPickle, DumpPickle_CLoadPickle,
|
|
PyPicklerUnpicklerObjectTests,
|
|
CPicklerUnpicklerObjectTests,
|
|
CDispatchTableTests, CChainDispatchTableTests,
|
|
InMemoryPickleTests])
|
|
support.run_unittest(*tests)
|
|
support.run_doctest(pickle)
|
|
|
|
if __name__ == "__main__":
|
|
test_main()
|