obtaining version info

Hi,

Perhaps I'm missing something really basic, but I can't figure out how to query pylab as to what version it is (the usual import <foo>, <foo>.__version doesn't work).

Advice appreciated.

--b

I didn't see it either. For questions like this, I recommend heading to
the #python channel on irc.freenode.net. If you find out how, please
post.

josh

···

On Fri, 8 Dec 2006, belinda thom wrote:

Hi,

Perhaps I'm missing something really basic, but I can't figure out
how to query pylab as to what version it is (the usual import <foo>,
<foo>.__version doesn't work).

Advice appreciated.

--b

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I assume there must be a reason for this::

    >>> import pylab
    >>> pylab.__version__
    Traceback (most recent call last):
      File "<stdin>", line 1, in <module>
    AttributeError: 'module' object has no attribute '__version__'

That has always bothered me.
But of course you can::

    >>> import matplotlib
    >>> matplotlib.__version__
    '0.87.7'

hth,
Alan Isaac

Alan G Isaac wrote:

I assume there must be a reason for this::

    >>> import pylab
    >>> pylab.__version__
    Traceback (most recent call last):
      File "<stdin>", line 1, in <module>
    AttributeError: 'module' object has no attribute '__version__'

That has always bothered me.
But of course you can::

    >>> import matplotlib
    >>> matplotlib.__version__
    '0.87.7'

After a little experimentation I have tentatively concluded that __version__ only gets imported if it is a package attribute--that is, if it is defined in __init__.py. Matplotlib is a package but pylab is just a module, so it does not seem to be possible to give it matplotlib's __version__. I could not find anything in the python documentation about this, though.

Eric