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Viewing changes to ivle/webapp/base/forms.py

  • Committer: William Grant
  • Date: 2010-02-24 09:51:04 UTC
  • Revision ID: grantw@unimelb.edu.au-20100224095104-nl3ndy0cysz2ioad
Add support for "really deep" (more than two segment) views.

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ivle/webapp/base/forms.py
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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import re
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import datetime
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import formencode
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import formencode.validators
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                'Must consist of a lowercase alphanumeric character followed '
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                'by any number of lowercase alphanumerics, ., +, - or _.',
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                value, state)
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class DateTimeValidator(formencode.validators.FancyValidator):
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    """Accepts a date/time in YYYY-MM-DD HH:MM:SS format. Converts to a
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    datetime.datetime object."""
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    def _to_python(self, value, state):
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        """Validate and convert."""
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        try:
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            return datetime.datetime.strptime(value, "%Y-%m-%d %H:%M:%S")
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        except ValueError, e:
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            raise formencode.Invalid("Must be a timestamp in "
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                "YYYY-MM-DD HH:MM:SS format", value, state)
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    def _from_python(self, value, state):
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        try:
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            return value.strftime("%Y-%m-%d %H:%M:%S")
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        except AttributeError:
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            raise formencode.Invalid("Must be a datetime.datetime object")