Ekhm. In a version 2.8 we go back to the very same problem from 1.99.
Did I miss something in matplotlib handling? search of the group didn't
come with anything useful... there is a discussion on setting MPLCONFIGDIR
setting
to some tmp dir, but hey, in 2.5.1 everything works smoothly without it.
Very best regards,
On Wednesday, 17 July 2013 10:54:21 UTC+1, Marian Siwiak wrote:
>
> Solved.
> Explanation below is for future reference, if someone will experience
> similar problem (as Massimo pointed it in a very gentle way, maybe not that
> obvious to an external reader, and this solution is applicable I guess to a
> very wide range of problems).
> *Solution: It is always worth updating web2py to a newest version. *
> I was a bit afraid it may screw something with my app, but I was SOOOO
> wrong!
> Problem existed in version 1.99 and magically (yeach, sure!) disappeared
> in 2.5.1.
> Thanks,
> Marian
> TAG: library problem, compatibility issues, environment variables,
> external library, matplotlib
>
>
> On Wed, Jul 17, 2013 at 11:06 AM, Massimo Di Pierro wrote:
>
>> Based on this: github.com/web2py/web2py
>> you are right
>>
>>
>> On Tuesday, 16 July 2013 14:21:51 UTC-5, Marian Siwiak wrote:
>>>
>>> Hi,
>>>
>>> I try to run a module starting with:
>>>
>>> def mymodule(*variables*):
>>> import matplotlib
>>> matplotlib.use('Agg')
>>> from pymol import *
>>>
>>> When I call it, I get error - piece of traceback is included below.
>>>
>>> File "/usr/lib/pymodules/python2.7/matplotlib/pyplot.py", line 343, in
>>> figure
>>>
>>>
>>> **kwargs)
>>> File "/usr/lib/pymodules/python2.7/matplotlib/backends/backend_tkagg.py",
>>> line 80, in new_figure_manager
>>>
>>>
>>> window = Tk.Tk()
>>> File "/usr/lib/python2.7/lib-tk/Tkinter.py", line 1712, in __init__
>>>
>>>
>>> self.tk = _tkinter.create(screenName, baseName, className, interactive,
>>> wantobjects, useTk, sync, use)
>>>
>>> TclError: no display name and no $DISPLAY environment variable
>>>
>>>
>>> Google says this tclerror usually means that tk tries to get
>>> interactive, but I thought matplotlib.use('Agg') should prevent that.
>>> Any advice?
>>> Thanks in advance.
>>>
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