Apache & mod_python: I don't receive anything with POST method

Thu Nov 27 10:23:00 EST 2008

On 27 nov, 15:13, tengounpl... at gmail.com wrote:
> On 26 nov, 23:22, Graham Dumpleton <Graham.Dumple... at gmail.com> wrote:
>
>
>
> > On Nov 27, 12:21 am, tengounpl... at gmail.com wrote:
>
> > > Hi,
>
> > > I'm using a simple form to make possible the users of our site upload
> > > files.
>
> > > <html>
> > >     <head><meta http-equiv="Content-Type" content="text/html;
> > > charset=iso-8859-1"></head>
> > >     <body>
> > >     <form method="post" enctype="multipart/form-data" action="/ws/
> > > upload.py"/>
> > >         <input name="upfile" type="file" size="50"/><br>
> > >         <input type="submit" value="send"/>
> > >     </form>
> > >     </body>
> > > </html>
>
> > > The "upload.py" looks like this:
>
> > > from mod_python import apache, util;
>
> > > def index(req):
> > >     form = util.FieldStorage(req, keep_blank_values=1)
> > >     try:
> > >         # form is empty here
> > >         # return form --> I get "{}"
> > >         ufile = form.get('upfile', None)
>
> > >         if not form.has_key('upfile'):
> > >             return ":( No 'upfile' key"
>
> > >         # some checks. I never get beyond here
>
> > >         ufile = form['upfile']
> > >         if ufile.file:
> > >             return ufile.file.name
> > >         else:
> > >             return ":( It's not a file"
> > >     except Exception, e:
> > >         return 'Fail: ' + str(e)
>
> > > I'm getting an empty 'form'. No 'upfile' key at all. I've tried to add
> > > some other text fields but the result is the same: empty. If I use GET
> > > method with text fields, it works properly.
>
> > > Currently I'm using:
> > > Apache 2.2.9 (initially I used Apache 2.2.3 too)
> > > mod_python 3.3.1 (initially I used mod_python 3.2.10 too)
> > > Python 2.5.2
>
> > Which is the correct result for the code you are using.
>
> > The problem is that you appear to be using mod_python.publisher which
> > does its own form handling before you are even getting a chance, thus
> > it is consuming the request content.
>
> > For how to handle forms in mod_python.publisher see:
>
> >http://webpython.codepoint.net/mod_python_publisher_forms
>
> > Graham
>
> Hi,
>
> I should get a non-empty "form".
>
> With the following html
>
> <html>
>     <head><meta http-equiv="Content-Type" content="text/html;
> charset=iso-8859-1"></head>
>     <body>
>     <form method="get" action="/ws/upload.py"/>
>         <input type="text" name="some_text" size="50"/><br>
>         <input type="submit" value="enviar"/>
>     </form>
>     </body>
> </html>
>
> ...and the following "upload.py":
>
> from mod_python import util, apache
>
> def index(req):
>     form = util.FieldStorage(req, keep_blank_values=1)
>     try:
>         some_text = form.get('some_text', None);
>         return form.items
>     except Exception, e:
>         return 'Fail: ' + str(e)
>
> ...I get (writting "Python" in the text box)
>
> [('some_text', Field('some_text', 'Python'))]
>
> So, I have a "form" with a non-empty structure of (key, value), and
> I'm able to get the value I'm looking for:
>
> ...
> some_text = form.get('some_text', None) # It's not empty anymore
> ...
>
> Thanks
>
> León

I got an alternative solution here
http://codepoint.net/index.php/topic,118.msg507.html#msg507

Regards