> seems silly but how do I specify minimum length for a
> CharField. Would that require customer validation?

I suspect you just want a custom validator in your 
validator_list...something like

def is_longer_than(n):
   def result(field_data, all_data):
     if len(field_data) <= n:
       raise django.core.validators.CriticalValidationError, \
         'Must be more than %i character(s)' % n
   return result


class Whatever(Model):
   myfield = CharField(...
     validator_list = [is_longer_than(10)],
     ....
     )

-tim







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