[Python-talk] Pickling Question

[Larry Keber]

bruce.labitt at autoliv.com wrote:
> Kent,
>
> I don't know about being off the track yet...  I cannot get the demo 
> example to work
> on linux.

That demo code is designed  to show off the various features of wx.  
There's a lot of extraneous stuff that gets in the way of learning the 
basics.

Here are couple of wxPython tutorials that might be helpful:
http://wiki.wxpython.org/Getting%20Started
http://zetcode.com/wxpython/


>   Apologize in advance for all of this...
>
>   

Certainly no need to apologize :-).

Larry

> In the demo code there is a definition of log
> class TestRadioBox(wx.Panel):
>         def __init__(self, parent, log):
>                 self.log = log
>                 # all the rest snipped
>
> def runTest(frame, nb,log):
>         win = TestRadioBox(nb, log)
>         return win
>
> if __name__=='__main__':
>         import sys, os
>         import run
>         run.main(['', os.path.basename(sys.argv[0])] + sys.argv[1:])
>
> I do not not know where run is - can't find it on my system.  Running this
> program in ipython results in:
>
> ImportError: No module named run
>
> Also, I have no idea what the heck nb is...  Seriously, I have little idea 
> what the
> above stuff is doing.  Makes it hard to follow the examples, I think.
>
> Also, I cannot seem to get self.log defined.  So I cannot get 
> self.log.WriteText to work. 
> Where is log defined?  And how does one read self.log?  self.log.ReadText?
>
> Different question:
> How does one read the states of radioboxes that have not been pressed?
> Just rely on the default value?
>
>
> As for my code, I have the following workaround:
> Inside the class MyForm the first few lines of __init__ are
>
> def __init__(self):
>         LOGFILE = 'log.txt'
>         self.FILE = open(LOGFILE,'w+')  # define self.FILE
>
> For the radio event I have:
>
> def OnRadio(self, event):
>         radioSelected = event.GetEventObject()  # what event got me here
>         whichbox = radioSelected.GetLabel()             # label
>         buttonSelected = event.GetInt()         # button number
>         timeOnRadio = time.asctime(time.localtime())    # system local 
> time
>         self.FILE.write('%s\t %s\t %s\n' % (whichbox, buttonSelected, 
> timeOnRadio)
>
> For the GO event I have:
>
> def OnOK(self,event):
>         self.FILE.seek(0)                                       # go to 
> beginning of file
>         fileList = self.FILE.readlines()                # read it
>         self.FILE.close()
>         for myline in fileList:                         # extract data, 
> set values
>                 # extract the data from string
>
>         domyprogram()                                   # the actual 
> program, all the rest was setup!
>         if(rb1 & button1):  # some pseudo logic like this
>                 doplot()
>         else:
>                 self.closeProgram()
>
>
> Is this bad, or am I totally missing something?  (I know I am.  I don't 
> even
> know how to ask the question!)
>
> The code I have written, does work.  It writes to file and I read it back 
> OnOK, it doesn't
> seem elegant though. 
>
> Thanks for your help so far!
> Bruce
>
>
> kent3737 at gmail.com wrote on 07/17/2009 05:02:16 PM:
>
>   
>> And just in case it is not already clear, you are definitely on the
>> wrong track, turn around now!
>>
>> On Fri, Jul 17, 2009 at 4:58 PM, Kent Johnson<kent37 at tds.net> wrote:
>>     
>>> On Fri, Jul 17, 2009 at 3:31 PM, <bruce.labitt at autoliv.com> wrote:
>>>       
>>>> It would be that attempt, yes :)  I've yet to get anything else to 
>>>>         
> work.
>   
>>>> Actually I need to read the entire state/setting before running.  I
>>>> haven't gotten that far.
>>>>         
>>> Take a look at the RadioButton demo in wx demos for an example of how
>>> to save references to controls and refer to them in an event handler.
>>>
>>> This example is much more complex than you need, don't try to copy it
>>> too literally. You could just use self.radio1 etc but maybe it will
>>> get you on the right track.
>>>
>>> Kent
>>>
>>>       
>
>
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