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	- Add tests for the module-level load() and dump() functions. - Add tests for cPickle's internal data structures, stressing workloads with many gets/puts. - Add tests for the Pickler and Unpickler classes, in particular the memo attribute. - test_xpickle is extended to test backwards compatibility with Python 2.4, 2.5 and 2.6 by round-tripping pickled objects through a worker process. This is guarded with a regrtest -u xpickle resource.
		
			
				
	
	
		
			80 lines
		
	
	
	
		
			2 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			80 lines
		
	
	
	
		
			2 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
import pickle
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from cStringIO import StringIO
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from test import test_support
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from test.pickletester import AbstractPickleTests
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from test.pickletester import AbstractPickleModuleTests
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from test.pickletester import AbstractPersistentPicklerTests
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from test.pickletester import AbstractPicklerUnpicklerObjectTests
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class PickleTests(AbstractPickleTests, AbstractPickleModuleTests):
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    def dumps(self, arg, proto=0, fast=0):
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        # Ignore fast
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        return pickle.dumps(arg, proto)
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    def loads(self, buf):
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        # Ignore fast
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        return pickle.loads(buf)
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    module = pickle
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    error = KeyError
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class PicklerTests(AbstractPickleTests):
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    error = KeyError
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    def dumps(self, arg, proto=0, fast=0):
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        f = StringIO()
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        p = pickle.Pickler(f, proto)
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        if fast:
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            p.fast = fast
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        p.dump(arg)
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        f.seek(0)
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        return f.read()
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    def loads(self, buf):
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        f = StringIO(buf)
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        u = pickle.Unpickler(f)
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        return u.load()
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class PersPicklerTests(AbstractPersistentPicklerTests):
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    def dumps(self, arg, proto=0, fast=0):
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        class PersPickler(pickle.Pickler):
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            def persistent_id(subself, obj):
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                return self.persistent_id(obj)
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        f = StringIO()
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        p = PersPickler(f, proto)
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        if fast:
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            p.fast = fast
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        p.dump(arg)
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        f.seek(0)
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        return f.read()
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    def loads(self, buf):
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        class PersUnpickler(pickle.Unpickler):
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            def persistent_load(subself, obj):
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                return self.persistent_load(obj)
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        f = StringIO(buf)
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        u = PersUnpickler(f)
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        return u.load()
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class PicklerUnpicklerObjectTests(AbstractPicklerUnpicklerObjectTests):
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    pickler_class = pickle.Pickler
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    unpickler_class = pickle.Unpickler
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def test_main():
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    test_support.run_unittest(
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        PickleTests,
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        PicklerTests,
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        PersPicklerTests,
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        PicklerUnpicklerObjectTests,
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    )
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    test_support.run_doctest(pickle)
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if __name__ == "__main__":
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    test_main()
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