Something like this should work:
==================
for c in form.get('date'):
if c in string.letters:
print "ERROR: You have to enter a date with numbers."
==================
You have to import the string module. 'letters' is one of the
attributes defined in that module.
Other attributes defined there include 'digits'. (Hint, hint. ;-) )
Also note that if you are not sure if a dictionary has a particular
key, you can use:
form.get('date')
and you will get the value if the key 'date' exists. If not, you get
None.
It's handier than checking has_key.
You can also say:
form.get('date', '01/01/70')
If the dictionary has a key 'date', you will get the value associated
with it. Othewise, you will get '01/01/70'.
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