urllib.urlretrieve never returns???

Prasad, Ramit ramit.prasad at jpmorgan.com
Tue Mar 20 22:26:51 CET 2012


> > Traceback (most recent call last):
> >
> >    File "C:\Python\Projects\Warehouserclient_v3\locedit.py", line 917,
> > in GetThumbnail
> > Traceback (most recent call last):
> >    File "C:\Python\Projects\Warehouserclient_v3\locedit.py", line 917,
> > in GetThumbnail
> >        File "C:\Python\Projects\Warehouserclient_v3\locedit.py", line
> > 917, in GetThumbnail
> >        File "C:\Python\Projects\Warehouserclient_v3\locedit.py", line
> > 917, in GetThumbnail
> >      self.Log(traceback.format_exc())
> >      self.Log(traceback.format_exc())
> >      self.Log(traceback.format_exc())
> > AttributeErrorself.Log(traceback.format_exc())
> > AttributeErrorself.Log(traceback.format_exc())
> > AttributeError: AttributeError: AttributeError:
> > C:\Python\Projects\Warehouserclient_v3>
> >
> >
> > And the last attributerror doesn't tell what attribute is missing.
> > Probably I'll have to use a different library (pycurl, for example). But
> > the error itself is getting more interesting.
> 
> This makes me think self does not have a .Log() or the traceback
> import is being overridden by something else that does not have
> .format_exc(). Or possibly this is in a function that does not have a
> self (maybe a typo in the function def?).


> Here you can find the example program and the original post.
>
> http://code.activestate.com/lists/python-list/617894/

I just looked at your source file on ActiveState and noticed that
you do not import traceback. That is why you are getting the 
AttributeError. Now you should be getting a much better error 
once you import it :)



Ramit


Ramit Prasad | JPMorgan Chase Investment Bank | Currencies Technology
712 Main Street | Houston, TX 77002
work phone: 713 - 216 - 5423

--


> -----Original Message-----
> From: python-list-bounces+ramit.prasad=jpmorgan.com at python.org
> [mailto:python-list-bounces+ramit.prasad=jpmorgan.com at python.org] On Behalf
> Of Prasad, Ramit
> Sent: Tuesday, March 20, 2012 3:52 PM
> To: python-list at python.org
> Subject: RE: urllib.urlretrieve never returns???
> 
> > Today I got a different error message printed on console (program
> > started with python.exe)
> >
> >
> >
> > Unhandled exception in thread started by <bound method
> > FrameLocEdit.GetThumbnail of <locedit.FrameLocEdit; proxy of <Swig
> > Object of type 'wxPanel *' at 0x4f85300>
> >  >>Unhandled exception in thread started by <bound method
> > FrameLocEdit.GetThumbnail of <locedit.FrameLocEdit; proxy of <Swig
> > Object of type 'wxPanel *' at 0x4f85300>
> >  >>Unhandled exception in thread started by <bound method
> > FrameLocEdit.GetThumbnail of <locedit.FrameLocEdit; proxy of <Swig
> > Object of type 'wxPanel *' at 0x4f85300>
> >  >>Unhandled exception in thread started by
> > Traceback (most recent call last):
> >
> > Traceback (most recent call last):
> >
> > Traceback (most recent call last):
> > <bound method FrameLocEdit.GetThumbnail of <locedit.FrameLocEdit; proxy
> > of <Swig Object of type 'wxPanel *' at 0x4f85300>
> >  >>  File "C:\Python\Projects\Warehouserclient_v3\locedit.py", line 917,
> > in GetThumbnail
> >    File "C:\Python\Projects\Warehouserclient_v3\locedit.py", line 917,
> > in GetThumbnail
> >    File "C:\Python\Projects\Warehouserclient_v3\locedit.py", line 917,
> > in GetThumbnail
> >
> > sys.excepthook is missing
> > Traceback (most recent call last):
> >
> > I have never seen a traceback like this before. I didn't install any
> > excepthook myself.
> >
> > Program is using wxPython, socket, threads, threading, PIL.
> >
> > Here is something even more strange. If I click on the button three
> > times, then absolutely nothing gets printed on stdout. However, if I
> > close the program with file/exit (actually, calling
> > wx.PySimpleApp.ExitMainLoop) then suddenly three stack traces are
> > printed on stdout, all lines mixed up:
> >
> 
> Maybe in self.Log you should add a sys.stdout.flush	 and
> sys.stderr.flush(). I am not very familiar with stdin/out but
> maybe it will help.
> 
> > Unhandled exception in thread started by <bound method
> > FrameLocEdit.GetThumbnail of <locedit.FrameLocEdit; proxy of <Swig
> > Object of type 'wxPanel *' at 0x4fb530
> > 0>
> >  >>Unhandled exception in thread started by Unhandled exception in
> > thread started by <bound method FrameLocEdit.GetThumbnail of
> > <locedit.FrameLocEdit; proxy of <Swig Object of type 'wxPanel *' at
> > 0x4fb5300>
> >  >>Unhandled exception in thread started by Unhandled exception in
> > thread started by <bound method FrameLocEdit.GetThumbnail of
> > <locedit.FrameLocEdit; proxy of <Swig Object of type 'wxPanel *' at
> > 0x4fb5300>
> >  >>Traceback (most recent call last):<bound method
> > FrameLocEdit.GetThumbnail of <locedit.FrameLocEdit; proxy of <Swig
> > Object of type 'wxPanel *' at 0x4fb5300>
> >  >>Traceback (most recent call last):<bound method
> > FrameLocEdit.GetThumbnail of <locedit.FrameLocEdit; proxy of <Swig
> > Object of type 'wxPanel *' at 0x4fb5300>
> >  >>Traceback (most recent call last):  File
> > "C:\Python\Projects\Warehouserclient_v3\locedit.py", line 917, in
> > GetThumbnail
> >
> >
> 
> >
> > Also tried to use an invalid file (that should return with HTTP 404 not
> > found) but the effect is exactly the same. Nothing is printed on stdout
> > until I try to close the program (stop wxPython's mainloop). Then all
> > previously threads throw an AttributeError and all of them print a stack
> > trace (at the same time, lines mixed up).
> >
> > I'll be experimenting with pyCurl now.
> 
> 
> Ramit
> 
> 
> Ramit Prasad | JPMorgan Chase Investment Bank | Currencies Technology
> 712 Main Street | Houston, TX 77002
> work phone: 713 - 216 - 5423
> 
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