[Scons-users] import pandas into SConstruct

[chris warth]

Thanks , Bill, I'll try your fix when I get off the bus.

$ scons --version
SCons by Steven Knight et al.:
        script: v2.4.1.rel_2.4.1:3453:73fefd3ea0b0, 2015/11/09 03:25:05, by
bdbaddog on ubuntu1404-32bit
        engine: v2.4.1.rel_2.4.1:3453:73fefd3ea0b0, 2015/11/09 03:25:05, by
bdbaddog on ubuntu1404-32bit
        engine path: ['/shared/silo_researcher

On Thursday, March 10, 2016, Bill Deegan <bill at baddogconsulting.com> wrote:

> O.k. Try commenting out this line:
>
> around line 85 in whatever your equivalent to:
> /Users/bdbaddog/tmp/panda/venv/lib/python2.7/site-packages/scons-2.4.1/SCons/compat/__init__.py
> is.
>
> # In 3.x, 'pickle' automatically loads the fast version if available.
> #rename_module('pickle', 'cPickle')
>
>
> On Thu, Mar 10, 2016 at 8:19 PM, Bill Deegan <bill at baddogconsulting.com
> <javascript:_e(%7B%7D,'cvml','bill at baddogconsulting.com');>> wrote:
>
>> Chris,
>>
>> I see the problem. (in scons's compat.py renaming packages to prep for
>> py3 compatibility).
>> Which version of SCons are you using?
>>
>> -Bill
>>
>> On Thu, Mar 10, 2016 at 8:12 PM, chris warth <cswarth at gmail.com
>> <javascript:_e(%7B%7D,'cvml','cswarth at gmail.com');>> wrote:
>>
>>> Thanks!  If it's any help, I've reduced the example to one that doesn't
>>> involve pandas at all.  It seems that under scons, 'pkl.Unpickler' is a
>>> function rather than a class.
>>>
>>> $ cat scons.py
>>>
>>> import pickle as pkl
>>> print type(pkl.Unpickler)
>>>
>>> class Unpickler(pkl.Unpickler):
>>>     pass
>>>
>>> $ python scons.py
>>>
>>>
>>>
>>>
>>> <type 'classobj'>
>>>
>>> $ scons -f scons.py
>>>
>>>
>>>
>>>
>>> scons: Reading SConscript files ...
>>> <type 'builtin_function_or_method'>
>>> TypeError: Error when calling the metaclass bases
>>>     cannot create 'builtin_function_or_method' instances:
>>>   File "/path/explore/scons.py", line 5:
>>>     class Unpickler(pkl.Unpickler):
>>>
>>>
>>> On Thu, Mar 10, 2016 at 5:09 PM, Bill Deegan <bill at baddogconsulting.com
>>> <javascript:_e(%7B%7D,'cvml','bill at baddogconsulting.com');>> wrote:
>>>
>>>> Just built a virtualenv with pandas and scons.
>>>> Get same stack trace.
>>>> Let me take a quick look and see if it's something simple.
>>>>
>>>> -Bill
>>>>
>>>> On Thu, Mar 10, 2016 at 7:49 PM, William Blevins <wblevins001 at gmail.com
>>>> <javascript:_e(%7B%7D,'cvml','wblevins001 at gmail.com');>> wrote:
>>>>
>>>>> See inline.
>>>>>
>>>>> On Thu, Mar 10, 2016 at 10:39 PM, chris warth <cswarth at gmail.com
>>>>> <javascript:_e(%7B%7D,'cvml','cswarth at gmail.com');>> wrote:
>>>>>
>>>>>> I am having trouble importing the pandas package into an SConstruct
>>>>>> file.
>>>>>> Can anyone confirm if this is real defect or just something in my
>>>>>> environment?
>>>>>>
>>>>>> Thanks for any help,
>>>>>>
>>>>>> - Chris
>>>>>>
>>>>>>
>>>>>> $ cat >scons.test
>>>>>>> import pandas as pd
>>>>>>> ^D
>>>>>>> $ scons -f scons.test
>>>>>>> scons: Reading SConscript files ...
>>>>>>> TypeError: Error when calling the metaclass bases
>>>>>>>     cannot create 'builtin_function_or_method' instances:
>>>>>>>   File "/path/explore/scons.test", line 1:
>>>>>>>     import pandas as pd
>>>>>>>   File
>>>>>>> "/path/venv/local/lib/python2.7/site-packages/pandas/__init__.py", line 48:
>>>>>>>     from pandas.io.api import *
>>>>>>>   File
>>>>>>> "/path/venv/local/lib/python2.7/site-packages/pandas/io/api.py", line 14:
>>>>>>>     from pandas.io.pickle import read_pickle, to_pickle
>>>>>>>   File
>>>>>>> "/path/venv/local/lib/python2.7/site-packages/pandas/io/pickle.py", line 1:
>>>>>>>     from pandas.compat import cPickle as pkl, pickle_compat as pc,
>>>>>>> PY3
>>>>>>>   File
>>>>>>> "/path/venv/local/lib/python2.7/site-packages/pandas/compat/pickle_compat.py",
>>>>>>> line 57:
>>>>>>>     class Unpickler(pkl.Unpickler):
>>>>>>>
>>>>>>
>>>>>
>>>>> This error isn't coming from SCons. This error is coming from trying
>>>>> to import from the pandas library. Right? Is the version of pandas
>>>>> installed setup for python3 rather than python2?
>>>>>
>>>>>
>>>>>> $ python --version
>>>>>>> Python 2.7.6
>>>>>>> $ scons --version
>>>>>>> SCons by Steven Knight et al.:
>>>>>>>         script: v2.4.1.rel_2.4.1:3453:73fefd3ea0b0, 2015/11/09
>>>>>>> 03:25:05, by bdbaddog on ubuntu1404-32bit
>>>>>>>         engine: v2.4.1.rel_2.4.1:3453:73fefd3ea0b0, 2015/11/09
>>>>>>> 03:25:05, by bdbaddog on ubuntu1404-32bit
>>>>>>>         engine path:
>>>>>>> ['/shared/silo_researcher/Matsen_F/MatsenGrp/working/cwarth/founder-inference-bakeoff/venv/lib/scons-2.4.1/SCons']
>>>>>>> Copyright (c) 2001 - 2015 The SCons Foundation
>>>>>>> $ python -c 'import pandas as pd; print pd.__version__'
>>>>>>> 0.17.1
>>>>>>
>>>>>>
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>>>>>>
>>>>>>
>>>>>
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