[Cython] Cython problems on OS X Lion

[Wes McKinney]

On Sat, Sep 10, 2011 at 4:58 PM, Robert Bradshaw
<robertwb at math.washington.edu> wrote:
> I don't have 10.7, but might be able to borrow a computer that does.
> This sounds more like a linking/C compilation problem than a Cython
> issue though. Do the programs in the Cython's demos directory work for
> you?
>
> On Fri, Sep 9, 2011 at 3:09 PM, Wes McKinney <wesmckinn at gmail.com> wrote:
>> Multiple users have reporting being unable to get the Cython
>> extensions in pandas to work:
>>
>> http://github.com/wesm/pandas
>>
>> Here is the traceback:
>>
>> In [1]: import pandas
>> ---------------------------------------------------------------------------
>> ImportError Traceback (most recent call last)
>> /Users/fonnescj/<ipython-input-1-d6ac987968b6> in <module>()
>> ----> 1 import pandas
>> /Library/Python/2.7/site-packages/pandas-0.4.0.dev_a2c7284_20110905-py2.7-macosx-10.7-x86_64.egg/pandas/__init__.py
>> in <module>()
>> 10 from pandas.info import __doc__
>> 11
>> ---> 12 from pandas.core.api import *
>> 13 from pandas.core.common import set_printoptions
>> 14 from pandas.io.parsers import read_csv, read_table, ExcelFile
>> /Library/Python/2.7/site-packages/pandas-0.4.0.dev_a2c7284_20110905-py2.7-macosx-10.7-x86_64.egg/pandas/core/api.py
>> in <module>()
>>  6 import pandas.core.datetools as datetools
>>  7
>> ----> 8 from pandas.core.common import isnull, notnull, set_printoptions
>>  9 from pandas.core.index import Index, Factor, MultiIndex
>> 10 from pandas.core.daterange import DateRange
>> /Library/Python/2.7/site-packages/pandas-0.4.0.dev_a2c7284_20110905-py2.7-macosx-10.7-x86_64.egg/pandas/core/common.py
>> in <module>()
>>  9 import numpy as np
>> 10
>> ---> 11 import pandas._tseries as _tseries
>> 12
>> 13 # XXX: HACK for NumPy 1.5.1 to suppress warnings
>> ImportError: dynamic module does not define init function (init_tseries)
>>
>> Anyone on the Cython dev team have a 10.7 Lion machine to help me
>> debug this? I haven't had time to backup and upgrade my laptop yet. As
>> far as I can tell this is the only platform which has problems-- OS X
>> <= 10.6, Windows 32/64, Linux 64-bit all work fine.
>>
>> Are there any known issues with Lion?
>>
>> Thanks,
>> Wes
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>>
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I agree it's probably a compiler/linker problem with distutils or
something of that nature. I unfortunately don't have easy access to a
Lion computer. Maybe time to upgrade my laptop.