On 11/11/2010 11:28 AM, Kynn Jones wrote: > 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'
It looks like you have a strangely broken pycairo installation, then. Eric > > kj > > > On Thu, Nov 11, 2010 at 3:09 PM, Eric Firing <efir...@hawaii.edu > <mailto: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 > > > ------------------------------------------------------------------------------ Centralized Desktop Delivery: Dell and VMware Reference Architecture Simplifying enterprise desktop deployment and management using Dell EqualLogic storage and VMware View: A highly scalable, end-to-end client virtualization framework. Read more! http://p.sf.net/sfu/dell-eql-dev2dev _______________________________________________ Matplotlib-devel mailing list Matplotlib-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-devel
