On Wed, Feb 17, 2010 at 8:13 PM, mdipierro <mdipie...@cs.depaul.edu> wrote:
> noooo...
>
> class IS_LIST():
> def __call__(self,value):
> return ([x.strip() for x in value.split(',')],None)
> def formatter(self,value):
> return ', '.join(value)
>
> Field('mylist',gae.StringListProperty(),requires=IS_LIST())
Above returns a string and I need a list for gae. This seems to work:
class IS_LIST():
def __init__(self, format='', error_message='must be a list!'):
self.format = format
self.error_message = error_message
def __call__(self, value):
try:
return ([] if value=='[]' or value=='' else
value[2:-2].split("','"), None)
except:
return (value, self.error_message)
def formatter(self, value):
return value
If in the form I input [] or ['a','b'], etc.
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