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KeyError

Python 2.4.4: /usr/bin/python
Sat May 18 20:56:14 2013

A problem occurred in a Python script. Here is the sequence of function calls leading up to the error, in the order they occurred.

10

11 form = cgi.FieldStorage()

12 sid, path = getsid(form)

13

14 rawf = path + "/raw.txt"

sid undefined, path undefined, getsid = <function getsid>, form = FieldStorage(None, None, [MiniFieldStorage('popkids', '1')])

/home/tkt_bcrs/bcourse/bin/bcprelude.py in getsid(form=FieldStorage(None, None, [MiniFieldStorage('popkids', '1')]))

111 #

112 def getsid(form):

113 sid = form['sid'].value

114 sdir = sessiondir + "/" + getsdir(sid,form)

115 return sid, sdir

sid undefined, form = FieldStorage(None, None, [MiniFieldStorage('popkids', '1')]), ].value = [MiniFieldStorage('popkids', '1')]

/usr/lib/python2.4/cgi.py in __getitem__(self=FieldStorage(None, None, [MiniFieldStorage('popkids', '1')]), key='sid')

561 if item.name == key: found.append(item)

562 if not found:

563 raise KeyError, key

564 if len(found) == 1:

565 return found[0]

builtin KeyError = <class exceptions.KeyError>, key = 'sid'

KeyError: 'sid'
args = ('sid',)