[Zope] matplotlib and zope problem

[David H]

David H wrote:

> Marek Szczypiński wrote:
>
>> Here is the traceback. Looks like problem with matplotlib it self,
>> doesn't it? Did anyone have the same problems?
>> Thanks for any help.
>>
>> Marek
>>
>>
>> Traceback (innermost last):
>>  Module ZPublisher.Publish, line 115, in publish
>>  Module ZPublisher.mapply, line 88, in mapply
>>  Module ZPublisher.Publish, line 41, in call_object
>>  Module Products.ExternalMethod.ExternalMethod, line 59, in
>> manage_addExternalMethod
>>  Module Products.ExternalMethod.ExternalMethod, line 111, in __init__
>>  Module Products.ExternalMethod.ExternalMethod, line 134, in manage_edit
>>  Module Products.ExternalMethod.ExternalMethod, line 141, in getFunction
>>  Module App.Extensions, line 148, in getObject
>>   - __traceback_info__:
>> ('/var/lib/zope/zope-markacy/Extensions/mpl.py', 'mpl')
>>  Module /var/lib/zope/zope-markacy/Extensions/mpl.py, line 1, in ?
>>  Module None, line 1011, in ?
>>  Module None, line 968, in rc_params
>>  Module None, line 914, in matplotlib_fname
>>  Module None, line 273, in wrapper
>>  Module None, line 324, in _get_configdir
>> RuntimeError: '/' is not a writable dir; you must set environment
>> variable HOME to be a writable dir
>>  
>>
> Hi Marek,
> Never heard of matplotlib.  But your traceback is saying that the 
> product is trying to write to root - without sufficient permission.  
> I'd look at the source (see _get_configdir) and see if its reading 
> some sort of config file or maybe its parsing the enviromental var 
> HOME..  You probably can modify that.  Anyway, writing to "/" doesnt 
> seem to be a good idea in any case.
>
> You have set variable "HOME"?
> Best,
> David H
>
>
Marek,

I gave bad advise.  Don't mess with (set) your HOME enviro var.

David