Same thing:
>>> import cairo
>>> print cairo.version
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
AttributeError: 'module' object has no attribute 'version'
kj
On Thu, Nov 11, 2010 at 3:09 PM, Eric Firing <efir...@hawaii.edu> wrote:
> On 11/11/2010 09:54 AM, Kynn Jones wrote:
> > On my system, the following 3-line script
> >
> > *import matplotlib
> > matplotlib.use('Cairo')
> > import matplotlib.pyplot as plt
> > *
> > fails with the error:
> >
> > * File "<path-to-mpl-egg>/matplotlib/backends/backend_cairo.py", line
> > 34, in <module>
> > if cairo.version_info < _version_required:
> > AttributeError: 'module' object has no attribute 'version_info'
> > *
> > It's easy to see that the bug is in matplotlib.backends.backend_cairo;
> > here's the part of the code that produces the error:
> >
> > *try:
> > import cairo
> > except ImportError:
> > raise ImportError("Cairo backend requires that pycairo is installed.")
> >
> > _version_required = (1,2,0)
> > if cairo.version_info < _version_required:
> > raise ImportError ("Pycairo %d.%d.%d is installed\n"
> > "Pycairo %d.%d.%d or later is required"
> > % (cairo.version_info + _version_required))
> > *
> > Indeed, the cairo module has no version_info attribute:
> >
> > *% python
> > Python 2.6.1 (r261:67515, Feb 11 2010, 00:51:29)
> > [GCC 4.2.1 (Apple Inc. build 5646)] on darwin
> >> >> import cairo
> >> >> cairo.version_info
> > Traceback (most recent call last):
> > File "<stdin>", line 1, in <module>
> > AttributeError: 'module' object has no attribute 'version_info'
> > *
>
> Strange. Looking at the source of 1.8.10 from the py2cairo git repo, I
> see version_info as well as version being included in the module via
> cairomodule.c.
>
> > (FWIW, the version of pycairo I have installed is 1.8.10 .)
>
> What happens if you do:
>
> import cairo
> print cairo.version
>
>
> Eric
>
> >
> > So matplotlib.backends.backend_cairo needs some other way to determine
> > the version number for the cairo module, but I don't understand this
> > module sufficiently well to provide a patch for this bug.
> >
> > ~kj
> >
>
>
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