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| author | Antoine Pitrou <solipsis@pitrou.net> | 2009-05-02 21:13:23 (GMT) |
|---|---|---|
| committer | Antoine Pitrou <solipsis@pitrou.net> | 2009-05-02 21:13:23 (GMT) |
| commit | 7430989cdadfb5aacef6909a3e2c033a0209699b (patch) | |
| tree | 7698e15757d641da2d648cde43438a0c6bf5ac02 /Lib/test | |
| parent | 2b42c29a5040b39e481d976f4ec3d6aa425ab4cc (diff) | |
| download | cpython-7430989cdadfb5aacef6909a3e2c033a0209699b.zip cpython-7430989cdadfb5aacef6909a3e2c033a0209699b.tar.gz cpython-7430989cdadfb5aacef6909a3e2c033a0209699b.tar.bz2 | |
Isue #5084: unpickling now interns the attribute names of pickled objects,
saving memory and avoiding growth in size of subsequent pickles. Proposal
and original patch by Jake McGuire.
Diffstat (limited to 'Lib/test')
| -rw-r--r-- | Lib/test/pickletester.py | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/Lib/test/pickletester.py b/Lib/test/pickletester.py index 4ffa702..bc0be1f 100644 --- a/Lib/test/pickletester.py +++ b/Lib/test/pickletester.py @@ -938,6 +938,20 @@ class AbstractPickleTests(unittest.TestCase): "Failed protocol %d: %r != %r" % (proto, obj, loaded)) + def test_attribute_name_interning(self): + # Test that attribute names of pickled objects are interned when + # unpickling. + for proto in protocols: + x = C() + x.foo = 42 + x.bar = "hello" + s = self.dumps(x, proto) + y = self.loads(s) + x_keys = sorted(x.__dict__) + y_keys = sorted(y.__dict__) + for x_key, y_key in zip(x_keys, y_keys): + self.assertIs(x_key, y_key) + # Test classes for reduce_ex |