[Numpy-discussion] a question about freeze on numpy 1.7.0

Bradley M. Froehle brad.froehle@gmail....
Mon Feb 25 02:09:08 CST 2013


I submitted a bug report (and patch) to cx_freeze.  You can follow up with
them at http://sourceforge.net/p/cx-freeze/bugs/36/.

-Brad


On Mon, Feb 25, 2013 at 12:06 AM, Gelin Yan <dynamicgl@gmail.com> wrote:

>
>
> On Mon, Feb 25, 2013 at 3:53 PM, Bradley M. Froehle <
> brad.froehle@gmail.com> wrote:
>
>> I can reproduce with NumPy 1.7.0, but I'm not convinced the bug lies
>> within NumPy.
>>
>> The exception is not being raised on the `del sys` line.  Rather it is
>> being raised in numpy.__init__:
>>
>>   File
>> "/home/bfroehle/.local/lib/python2.7/site-packages/cx_Freeze/initscripts/Console.py",
>> line 27, in <module>
>>     exec code in m.__dict__
>>   File "numpytest.py", line 1, in <module>
>>     import numpy
>>   File
>> "/home/bfroehle/.local/lib/python2.7/site-packages/numpy/__init__.py", line
>> 147, in <module>
>>     from core import *
>> AttributeError: 'module' object has no attribute 'sys'
>>
>> This is because, somehow, `'sys' in numpy.core.__all__` returns True in
>> the cx_Freeze context but False in the regular Python context.
>>
>> -Brad
>>
>>
>> On Sun, Feb 24, 2013 at 10:49 PM, Gelin Yan <dynamicgl@gmail.com> wrote:
>>
>>>
>>>
>>> On Mon, Feb 25, 2013 at 9:16 AM, Ondřej Čertík <ondrej.certik@gmail.com>wrote:
>>>
>>>> Hi Gelin,
>>>>
>>>> On Sun, Feb 24, 2013 at 12:08 AM, Gelin Yan <dynamicgl@gmail.com>
>>>> wrote:
>>>> > Hi All
>>>> >
>>>> >      When I used numpy 1.7.0 with cx_freeze 4.3.1 on windows, I
>>>> quickly
>>>> > found out even a simple "import numpy" may lead to program failed with
>>>> > following exception:
>>>> >
>>>> > "AttributeError: 'module' object has no attribute 'sys'
>>>> >
>>>> > After a poking around some codes I noticed /numpy/core/__init__.py
>>>> has a
>>>> > line 'del sys' at the bottom. After I commented this line, and
>>>> repacked the
>>>> > whole program, It ran fine.
>>>> > I also noticed this 'del sys' didn't exist on numpy 1.6.2
>>>> >
>>>> > I am curious why this 'del sys' should be here and whether it is safe
>>>> to
>>>> > omit it. Thanks.
>>>>
>>>> The "del sys" line was introduced in the commit:
>>>>
>>>>
>>>> https://github.com/numpy/numpy/commit/4c0576fe9947ef2af8351405e0990cebd83ccbb6
>>>>
>>>> and it seems to me that it is needed so that the numpy.core namespace
>>>> is not
>>>> cluttered by it.
>>>>
>>>> Can you post the full stacktrace of your program (and preferably some
>>>> instructions
>>>> how to reproduce the problem)? It should become clear where the problem
>>>> is.
>>>>
>>>> Thanks,
>>>> Ondrej
>>>> _______________________________________________
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>>>> NumPy-Discussion@scipy.org
>>>> http://mail.scipy.org/mailman/listinfo/numpy-discussion
>>>>
>>>
>>> Hi Ondrej
>>>
>>>     I attached two files here for demonstration. you need cx_freeze to
>>> build a standalone executable file. simply running python setup.py build
>>> and try to run the executable file you may see this exception. This
>>> example works with numpy 1.6.2. Thanks.
>>>
>>> Regards
>>>
>>> gelin yan
>>>
>>>
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>>> http://mail.scipy.org/mailman/listinfo/numpy-discussion
>>>
>>>
>>
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>>
> Hi Bradley
>
>     So is it supposed to be a bug of cx_freeze? Any work around for that
> except omit 'del sys'? If the answer is no, I may consider submit a ticket
> on cx_freeze site. Thanks
>
> Regards
>
> gelin yan
>
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>
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