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

  • Committer: William Grant
  • Date: 2012-06-28 01:52:02 UTC
  • Revision ID: me@williamgrant.id.au-20120628015202-f6ru7o367gt6nvgz
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ivle/webapp/base/forms.py
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# along with this program; if not, write to the Free Software
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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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from genshi.filters import HTMLFormFiller
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from ivle.webapp.base.xhtml import XHTMLView
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class BaseFormView(XHTMLView):
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    """A base form view."""
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            ctx['error_value'] = errors
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VALID_URL_NAME = re.compile(r'^[a-z0-9][a-z0-9_\+\.\-]*$')
 
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class URLNameValidator(formencode.validators.UnicodeString):
 
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    def validate_python(self, value, state):
 
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        super(URLNameValidator, self).validate_python(value, state)
 
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        if not VALID_URL_NAME.match(value):
 
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            raise formencode.Invalid(
 
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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")