pydata/pandas — pull request #3831 by jreback (2013-06-10 14:10:57+00:00)
Title: ENH: support for msgpack serialization/deserialization

extension of #3828

```
msgpack serialization/deserialization

support all pandas objects: Timestamp,Period,all index types,Series,DataFrame,Panel,Sparse suite
docs included (in io.rst)
iterator support
top-level api support

compression and direct calls to in-line msgpack (enabled via #3828) will wait for 0.12

closes #686

In [1]: df = DataFrame(randn(10,2),
...: columns=list('AB'),
...: index=date_range('20130101',periods=10))

In [2]: pd.to_msgpack('foo.msg',df)

In [3]: pd.read_msgpack('foo.msg')
Out[3]:
A B
2013-01-01 0.676700 -1.702599
2013-01-02 -0.070164 -1.368716
2013-01-03 -0.877145 -1.427964
2013-01-04 -0.295715 -0.176954
2013-01-05 0.566986 0.588918
2013-01-06 -0.307070 1.541773
2013-01-07 1.302388 0.689701
2013-01-08 0.165292 0.273496
2013-01-09 -3.492113 -1.178075
2013-01-10 -1.069521 0.848614
```