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from slixmpp.xmlstream import ElementBase, ET
class FormValidation(ElementBase):
"""
Validation values for form fields.
Example:
<field var='evt.date' type='text-single' label='Event Date/Time'>
<validate xmlns='http://jabber.org/protocol/xdata-validate'
datatype='xs:dateTime'/>
<value>2003-10-06T11:22:00-07:00</value>
</field>
Questions:
Should this look at the datatype value and convert the range values as appropriate?
Should this stanza provide a pass/fail for a value from the field, or convert field value to datatype?
"""
namespace = 'http://jabber.org/protocol/xdata-validate'
name = 'validate'
plugin_attrib = 'validate'
interfaces = {'datatype', 'basic', 'open', 'range', 'regex', }
sub_interfaces = {'basic', 'open', 'range', 'regex', }
plugin_attrib_map = {}
plugin_tag_map = {}
def _add_field(self, name):
self.remove_all()
item_xml = ET.Element('{%s}%s' % (self.namespace, name))
self.xml.append(item_xml)
return item_xml
def set_basic(self, value):
if value:
self._add_field('basic')
else:
del self['basic']
def set_open(self, value):
if value:
self._add_field('open')
else:
del self['open']
def set_regex(self, regex):
if regex:
_regex = self._add_field('regex')
_regex.text = regex
else:
del self['regex']
def set_range(self, value, minimum=None, maximum=None):
if value:
_range = self._add_field('range')
_range.attrib['min'] = str(minimum)
_range.attrib['max'] = str(maximum)
else:
del self['range']
def remove_all(self, except_tag=None):
for a in self.sub_interfaces:
if a != except_tag:
del self[a]
def get_basic(self):
present = self.xml.find('{%s}basic' % self.namespace)
return present is not None
def get_open(self):
present = self.xml.find('{%s}open' % self.namespace)
return present is not None
def get_regex(self):
present = self.xml.find('{%s}regex' % self.namespace)
if present is not None:
return present.text
return False
def get_range(self):
present = self.xml.find('{%s}range' % self.namespace)
if present is not None:
attributes = present.attrib
return_value = dict()
if 'min' in attributes:
return_value['minimum'] = attributes['min']
if 'max' in attributes:
return_value['maximum'] = attributes['max']
return return_value
return False
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