[Numpy-discussion] Problem with importing numpy in Ubuntu

Robert Faryabi robert.faryabi@gmail....
Wed Jul 28 13:02:54 CDT 2010


Thanks, I did almost the same yesterday and now everything works fine.

On Wed, Jul 28, 2010 at 4:29 AM, Sebastian Haase <seb.haase@gmail.com>wrote:

> You should be allowed to remove anything in /usr/local without fear to
> kill your operation system.
> In case you miss python2.5 afterwards, you should be able to just
> install it with apt-get install python2.5 at any time - it would go to
> /usr/lib + /usr/bin + ...  NOT /usr/local.
>
> It is unlikely that you ever installed python by hand into anything
> else than /usr/local -- so there should be not lasting conflict.
>
> Before deleting anything you could also check your environment variables:
> PYTHONPATH should not exist.
> PYTHONHOME neither
> PATH should not contain /usr/local
>
> Then, "which python" should not point to /usr/local anymore and you
> should be all fine (still having "garbage" in /usr.local)
>
> -S.
>
>
>
>
> On Tue, Jul 27, 2010 at 6:29 PM, Robert Faryabi
> <robert.faryabi@gmail.com> wrote:
> > I just looked at my system more carefully.
> >
> > There are two executable files
> >
> > /usr/local/bin/python
> >
> > and
> >
> > /usr/bin/python
> > this is a link to python2.6
> >
> > I believe that the first one is source compiled version. So, how can I
> get
> > rid of it?
> >
> > On Tue, Jul 27, 2010 at 12:09 PM, Robert Faryabi <
> robert.faryabi@gmail.com>
> > wrote:
> >>
> >> it returns
> >>
> >> /usr/local/bin/python
> >>
> >> On Tue, Jul 27, 2010 at 12:07 PM, Matthieu Brucher
> >> <matthieu.brucher@gmail.com> wrote:
> >>>
> >>> What does "which python" return?
> >>>
> >>> 2010/7/27 Robert Faryabi <robert.faryabi@gmail.com>:
> >>> > I'm getting the same
> >>> >
> >>> >>>> sys.maxunicode
> >>> > 65535
> >>> >
> >>> > I might have some "hand complied" python. Once I compiled Biopython
> >>> > long
> >>> > ago.
> >>> >
> >>> > The problem is I do not know how to clean up all the python version
> >>> > that I
> >>> > have. I tried the reinstall option. It does not work. I cannot remove
> >>> > the
> >>> > python. It will wipe out my operating system.
> >>> >
> >>> > Any suggestion?
> >>> >
> >>> >
> >>> >
> >>> >
> >>> > On Tue, Jul 27, 2010 at 10:42 AM, Sebastian Haase <
> seb.haase@gmail.com>
> >>> > wrote:
> >>> >>
> >>> >> The origin of this problem is the fact that Python supports (at
> least)
> >>> >> 2 types of Unicode:
> >>> >> 2 bytes and/or 4 bytes per character.
> >>> >>
> >>> >> Additionally, for some incomprehensible reason the Python source
> code
> >>> >> (as downloaded from python.org) defaults to 2ByteUnicode whereas
> >>> >> all (major) Linux distributions default to 4ByteUnicode.....
> >>> >>
> >>> >> ( check >>> sys.maxunicode   to see what you have; I get  1114111,
> i.e
> >>> >> >65535 , so I have 4 byte (on Debian) )
> >>> >>
> >>> >> So, most likely you have some "hand compiled" Python somewhere ....
> >>> >>
> >>> >> - Sebastian Haase
> >>> >>
> >>> >>
> >>> >>
> >>> >> On Tue, Jul 27, 2010 at 4:33 PM, Matthieu Brucher
> >>> >> <matthieu.brucher@gmail.com> wrote:
> >>> >> > It's a problem of compilation of Python and numpy with different
> >>> >> > parameters. But I've tried the same yesterday, and the Ubuntu
> >>> >> > repository are OK in that respect, so there is something not quite
> >>> >> > right with your configuration.
> >>> >> >
> >>> >> > Matthieu
> >>> >> >
> >>> >> > 2010/7/27 Robert Faryabi <robert.faryabi@gmail.com>:
> >>> >> >> I can see the numpy now, but I have the problem with a shared
> >>> >> >> library.
> >>> >> >> Here is the error
> >>> >> >>
> >>> >> >>>>> import numpy
> >>> >> >> Traceback (most recent call last):
> >>> >> >>   File "<stdin>", line 1, in <module>
> >>> >> >>   File "/usr/lib/python2.6/dist-packages/numpy/__init__.py", line
> >>> >> >> 130,
> >>> >> >> in
> >>> >> >> <module>
> >>> >> >>     import add_newdocs
> >>> >> >>   File "/usr/lib/python2.6/dist-packages/numpy/add_newdocs.py",
> >>> >> >> line 9,
> >>> >> >> in
> >>> >> >> <module>
> >>> >> >>     from lib import add_newdoc
> >>> >> >>   File "/usr/lib/python2.6/dist-packages/numpy/lib/__init__.py",
> >>> >> >> line
> >>> >> >> 4, in
> >>> >> >> <module>
> >>> >> >>     from type_check import *
> >>> >> >>   File
> "/usr/lib/python2.6/dist-packages/numpy/lib/type_check.py",
> >>> >> >> line
> >>> >> >> 8,
> >>> >> >> in <module>
> >>> >> >>     import numpy.core.numeric as _nx
> >>> >> >>   File "/usr/lib/python2.6/dist-packages/numpy/core/__init__.py",
> >>> >> >> line
> >>> >> >> 5, in
> >>> >> >> <module>
> >>> >> >>     import multiarray
> >>> >> >> ImportError:
> >>> >> >> /usr/lib/python2.6/dist-packages/numpy/core/multiarray.so:
> >>> >> >> undefined symbol: _PyUnicodeUCS4_IsWhitespace
> >>> >> >>
> >>> >> >>
> >>> >> >> Do you have any idea? It seems that the UCS4 and UCS2 are related
> >>> >> >> to 16
> >>> >> >> and
> >>> >> >> 8 bit unicode.
> >>> >> >>
> >>> >> >>
> >>> >> >> On Tue, Jul 27, 2010 at 10:16 AM, Charles R Harris
> >>> >> >> <charlesr.harris@gmail.com> wrote:
> >>> >> >>>
> >>> >> >>>
> >>> >> >>> On Tue, Jul 27, 2010 at 7:46 AM, Robert Faryabi
> >>> >> >>> <robert.faryabi@gmail.com>
> >>> >> >>> wrote:
> >>> >> >>>>
> >>> >> >>>> I am new to numpy. Hopefully this is a correct forum to post my
> >>> >> >>>> question.
> >>> >> >>>>
> >>> >> >>>> I have Ubuntu Luci system. I installed Python 2.6.5 and Python
> >>> >> >>>> 3.0 as
> >>> >> >>>> well as python-numpy using Ubuntu repository.
> >>> >> >>>> When I import the numpy into python, I get the following error.
> >>> >> >>>>
> >>> >> >>>> >> import numpy
> >>> >> >>>> Traceback (most recent call last):
> >>> >> >>>>   File "<stdin>", line 1, in <module>
> >>> >> >>>> ImportError: No module named numpy
> >>> >> >>>>
> >>> >> >>>> The package cannot be located.
> >>> >> >>>>
> >>> >> >>>> Then I tried to point the interpreter to the numpy
> >>> >> >>>>
> >>> >> >>>> >>> sys.path.append('/usr/lib/
> >>> >> >>>> python2.6/dist-packages')
> >>> >> >>>>
> >>> >> >>>
> >>> >> >>> I use an install.pth file
> >>> >> >>>
> >>> >> >>> $charris@ubuntu ~$ cat
> >>> >> >>> ~/.local/lib/python2.6/site-packages/install.pth
> >>> >> >>> /usr/local/lib/python2.6/dist-packages
> >>> >> >>>
> >>> >> >>> You will need to create the .local directory and its
> >>> >> >>> subdirectories.
> >>> >> >>> Don't
> >>> >> >>> use Python 3.0, use 3.1 or greater if you want to experiment.
> >>> >> >>>
> >>> >> >>> <snip>
> >>> >> >>>
> >>> >> >>> Chuck
> >>> >> >>>
> >>> >> >>>
> >>> >> >>> _______________________________________________
> >>> >> >>> NumPy-Discussion mailing list
> >>> >> >>> NumPy-Discussion@scipy.org
> >>> >> >>> http://mail.scipy.org/mailman/listinfo/numpy-discussion
> >>> >> >>>
> >>> >> >>
> >>> >> >>
> >>> >> >> _______________________________________________
> >>> >> >> NumPy-Discussion mailing list
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> >>> >> >> http://mail.scipy.org/mailman/listinfo/numpy-discussion
> >>> >> >>
> >>> >> >>
> >>> >> >
> >>> >> >
> >>> >> >
> >>> >> > --
> >>> >> > Information System Engineer, Ph.D.
> >>> >> > Blog: http://matt.eifelle.com
> >>> >> > LinkedIn: http://www.linkedin.com/in/matthieubrucher
> >>> >> > _______________________________________________
> >>> >> > NumPy-Discussion mailing list
> >>> >> > NumPy-Discussion@scipy.org
> >>> >> > http://mail.scipy.org/mailman/listinfo/numpy-discussion
> >>> >> >
> >>> >> _______________________________________________
> >>> >> NumPy-Discussion mailing list
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> >>> >> http://mail.scipy.org/mailman/listinfo/numpy-discussion
> >>> >
> >>> >
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> >>> >
> >>> >
> >>>
> >>>
> >>>
> >>> --
> >>> Information System Engineer, Ph.D.
> >>> Blog: http://matt.eifelle.com
> >>> LinkedIn: http://www.linkedin.com/in/matthieubrucher
> >>> _______________________________________________
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> >>
> >
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