nani wrote: >i am getting the following error for below code > ><type 'exceptions.KeyError'> Python 2.5.1: C:\Python25\python.exe >Mon Nov 26 10:13:17 2007 > >A problem occurred in a Python script. Here is the sequence of >function calls leading up to the error, in the order they occurred. > C:\Program Files\Apache Group\Apache2\cgi-bin\hello.py in () > 7 > 8 val = cgi.FieldStorage() > 9 name = val["name"].value > 10 time_from = val["time_from"].value > 11 time_to = val["time_to"].value >name undefined, val = FieldStorage(None, None, []), ].value = [] > C:\Python25\lib\cgi.py in __getitem__(self=FieldStorage(None, None, >[]), key='name') > 565 if item.name == key: found.append(item) > 566 if not found: > 567 raise KeyError, key > 568 if len(found) == 1: > 569 return found[0] >builtin KeyError = <type 'exceptions.KeyError'>, key = 'name' > ><type 'exceptions.KeyError'>: 'name' > > > >#!C:/Python25/python.exe >import cgi >import cgitb; cgitb.enable() > >print "Content-Type: text/html" >print > >val = cgi.FieldStorage() >name = val["name"].value >time_from = val["time_from"].value >time_to = val["time_to"].value >html = """ ><html> > > <body> > <h1> Hello %s from %s to %s </h1> > </body> > ></html> >""" >print html%(name, time_from, time_to) > > > > > > >html page is....................................... > > ><html> > > ><body> > > <form action="C:/Program Files/Apache Group/Apache2/cgi-bin/ >hello.py"> > <table> > <tr> > <td> Enter your name: </td> > <td> <input type="text" name="name" value="" /> </td> > </tr> > <tr> > <td> Time from: </td> > <td> <input type="text" name="time_from" value="" /> </ >td> > </tr> > <tr> > <td> Time to: </td> > <td> <input type="text" name="time_to" value="" /> </ >td> > </tr> > <tr > > <td colspan="2" align="center"> <input type="submit" >value="Click Here" /> </td> > </tr> > </table> > > </form> > ></body> > ></html> > > > Looks like the text field "name" is empty when "submitin" the form, and cgi.FieldStorage() -no args- does not build the key/pair for empty textfields. You can use the keep_blank_values=1 arg in FieldStorage() if you want force the key/pair to be generated anyway.
Cheers. Gerardo -- http://mail.python.org/mailman/listinfo/python-list
