[Numpy-discussion] Yes, this one again "ImportError: No module named multiarray"

Aron Ahmadia aron@ahmadia....
Tue Mar 12 08:17:34 CDT 2013


multiarray is an extension module that lives within numpy/core, that is,
when, "import multiarray" is called, (and it's the first imported extension
module in numpy), multiarray.ext (ext being dll on Windows I guess), gets
dynamically loaded.

"No module named multiarray" is indicating problems with your freeze setup.
 Most of these tools don't support locally imported extension modules.

Does this help you get oriented on your problem?

A


On Tue, Mar 12, 2013 at 1:01 PM, Dinesh B Vadhia
<dineshbvadhia@hotmail.com>wrote:

> **
> I've been using Numpy/Scipy for >5 years so know a little on how to get
> around them.  Recently, I've needed to either freeze or create executables
> with tools such as PyInstaller, Cython, Py2exe and others on both Windows
> (XP 32-bit, 7 64-bit) and Ubuntu (12.04) Linux (64-bit).  The test
> program (which runs perfectly with the Python interpreter) is very simple:
>
> import numpy
>
> def main():
>     print numpy.array([12, 23, 34, 45, 56, 67, 78, 89, 90])
>     return
>
> if __name__ == '__main__':
>     main()
>
> The software versions are Python 2.7.3, Numpy 1.7.0, and Scipy 0.11.  The
> "import numpy" causes an "ImportError: No module named multiarray".  After
> endless Googling, I am none the wiser about what (really) causes the
> ImportError let alone what the solution is.  The Traceback, similar to
> others found on the web, is:
>
> Traceback (most recent call last):
>   File "test.py", ...
>   File "C:\Python27\lib\site-packages\numpy\__init__.py", line 154, in
> <module>
>     import add_newdocs
>   File "C:\Python27\lib\site-packages\numpy\add_newdocs.py", line 9, in
> <module>
>     from numpy.lib import add_newdoc
>   File "C:\Python27\lib\site-packages\numpy\lib\__init__.py", line 4, in
> <module>
>     from type_check import *
>   File "C:\Python27\lib\site-packages\numpy\lib\type_check.py", line 8, in
> <module>
>     import numpy.core.numeric as _nx
>   File "C:\Python27\lib\site-packages\numpy\core\__init__.py", line 5, in
> <module>
>     import multiarray
> ImportError: No module named multiarray.
>
> Could someone shed some light on this - please?  Thx.
>
>
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