Graham Dumpleton:
I have found the error in the figure print code, and it has been
corrected
now, and the web page works well now. thanks for your answer!
在 2011年8月23日 下午4:28，庄克琛 <[email protected]>写道：
> thanks, is there another way to use matplotlib print some figure without
> launch a graphics window?
> sorry, I'm a new guy to use django and mod_wsgi, and this web page is
> a test web page... I just want to try how to use matplotlib print a figure
> on
> a web page, and thanks again.
>
>
> 2011/8/23 Graham Dumpleton <[email protected]>
>
>> Your code is trying to launch a window for display on your desktop.
>> You cannot really do that from a web application.
>>
>> Even if the server was on the same machine, you would need to
>> configure Apache environment to know about the X Windows display to
>> use, which will be a non trivial thing to do.
>>
>> Are you really wanting to have your web page launch a graphics window?
>>
>> Graham
>>
>> On 23 August 2011 18:04, 庄克琛 <[email protected]> wrote:
>> > Dear modwsgi group:
>> > It's my first time use mod_wsgi, I want use mod_wsgi on a django
>> app.
>> > the django app use matplotlib to print some figure. then i meet the
>> error
>> > below.(and the django app was all right on the django test server, no
>> error)
>> >
>> >
>> > ############################
>> > TclError at /mplimage/
>> > couldn't connect to display ":0"
>> > Request Method: GET
>> > Request URL: http://localhost/mplimage/
>> > Django Version: 1.3
>> > Exception Type: TclError
>> > Exception Value:
>> > couldn't connect to display ":0"
>> > Exception Location: /usr/lib/python2.7/lib-tk/Tkinter.py in __init__,
>> line
>> > 1688
>> > Python Executable: /usr/bin/python
>> > Python Version: 2.7.1
>> > ################################
>> > Traceback
>> > /usr/local/lib/python2.7/dist-packages/django/core/handlers/base.py in
>> > get_response
>> > response = callback(request, *callback_args,
>> > **callback_kwargs)
>> > /home/function/DjangoPy/test01/mysite/png/views.py in mplimage
>> > fig = plt.figure()
>> > /usr/lib/pymodules/python2.7/matplotlib/pyplot.py in figure
>> > **kwargs)
>> > /usr/lib/pymodules/python2.7/matplotlib/backends/backend_tkagg.py in
>> > new_figure_manager
>> > window = Tk.Tk()
>> > /usr/lib/python2.7/lib-tk/Tkinter.py in __init__
>> > self.tk = _tkinter.create(screenName, baseName, className,
>> > interactive, wantobjects, useTk, sync, use)
>> > �� Local vars
>> > Variable Value
>> > className 'Tk'
>> > use None
>> > baseName 'mod_wsgi'
>> > useTk 1
>> > sync 0
>> > sys <module 'sys'(built-in)>
>> > ext ''
>> > screenName None
>> > os <module 'os' from '/usr/lib/python2.7/os.pyc'>
>> > self None
>> > interactive 0
>> > #############################
>> > Is there anyone can help me why this error happen? thanks very much!
>> >
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