Yeah, I think I'd monkey-patch it. On Thursday, May 30, 2013 11:15:22 AM UTC-7, Joe Barnhart wrote: > > Wow! I've rediscovered a bug from 2001! And they say I'm living in the > past... > > Well at least I'm not alone back there. Massimo is back there with me! > > https://groups.google.com/d/msg/web2py/XF0LbfNl9ag/j2DbOtR1mf0J > > On Thursday, May 30, 2013 9:51:05 AM UTC-7, Derek wrote: >> >> You ran into a bug (imho) that has existed in python since 2001 (at >> least). >> >> http://bugs.python.org/issue444913 >> >> Now it's preserved for backwards compatibility. >> >> >> >> On Thursday, May 30, 2013 2:06:20 AM UTC-7, Joe Barnhart wrote: >>> >>> I've had the most awful time trying to get the actual filename of an >>> uploaded file to appear in my database. I've gone over and over the >>> advice, but it has never worked for me. I was beginning to suspect evil >>> spirits in my code when I ran across the problem... >>> >>> cgi.FieldStorage does NOT behave like other Python variables in that it >>> doesn't resolve to True if the object contains data. It resolves to False >>> ALL THE TIME, whether it has data or not. >>> >>> I was dutifully following advice and had code that looked like: >>> >>> >>> if request.vars.upload: >>> form.vars.filename = request.vars.upload.filename >>> >>> >>> But guess what? The code inside "if" NEVER RUNS. >>> >>> For now I've worked around it by using the method "has_key()" on the >>> cgi.FieldStorage object: >>> >>> >>> if request.vars.has_key('upload'): >>> form.vars.filename = request.vars.upload.filename >>> >>> >>> >>> And this works. >>> >>> The "proper" fix is probably to modify cgi.FieldStorage so that is >>> resolves to True if it has data and False if empty, like all other Python >>> objects. But I thought I'd pass along my epiphany in case others are >>> wondering if their code is inhabited by evil spirits. >> >>
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