Source code for slixmpp.plugins.xep_0004.stanza.field
# Slixmpp: The Slick XMPP Library
# Copyright (C) 2011 Nathanael C. Fritz, Lance J.T. Stout
# This file is part of Slixmpp.
# See the file LICENSE for copying permission.
from slixmpp.xmlstream import ElementBase, ET
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class FormField(ElementBase):
namespace = 'jabber:x:data'
name = 'field'
plugin_attrib = 'field'
plugin_multi_attrib = 'fields'
interfaces = {'answer', 'desc', 'required', 'value',
'label', 'type', 'var'}
sub_interfaces = {'desc'}
plugin_tag_map = {}
plugin_attrib_map = {}
field_types = {'boolean', 'fixed', 'hidden', 'jid-multi',
'jid-single', 'list-multi', 'list-single',
'text-multi', 'text-private', 'text-single'}
true_values = {True, '1', 'true'}
option_types = {'list-multi', 'list-single'}
multi_line_types = {'hidden', 'text-multi'}
multi_value_types = {'hidden', 'jid-multi',
'list-multi', 'text-multi'}
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def setup(self, xml=None):
if ElementBase.setup(self, xml):
self._type = None
else:
self._type = self['type']
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def add_option(self, label='', value=''):
if self._type is None or self._type in self.option_types:
opt = FieldOption()
opt['label'] = label
opt['value'] = value
self.append(opt)
else:
raise ValueError("Cannot add options to " + \
"a %s field." % self['type'])
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def del_options(self):
optsXML = self.xml.findall('{%s}option' % self.namespace)
for optXML in optsXML:
self.xml.remove(optXML)
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def del_required(self):
reqXML = self.xml.find('{%s}required' % self.namespace)
if reqXML is not None:
self.xml.remove(reqXML)
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def del_value(self):
valsXML = self.xml.findall('{%s}value' % self.namespace)
for valXML in valsXML:
self.xml.remove(valXML)
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def get_options(self):
options = []
optsXML = self.xml.findall('{%s}option' % self.namespace)
for optXML in optsXML:
opt = FieldOption(xml=optXML)
options.append({'label': opt['label'], 'value': opt['value']})
return options
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def get_required(self):
reqXML = self.xml.find('{%s}required' % self.namespace)
return reqXML is not None
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def get_value(self, convert=True):
valsXML = self.xml.findall('{%s}value' % self.namespace)
if len(valsXML) == 0:
return None
elif self._type == 'boolean':
if convert:
return valsXML[0].text in self.true_values
return valsXML[0].text
elif self._type in self.multi_value_types or len(valsXML) > 1:
values = []
for valXML in valsXML:
if valXML.text is None:
valXML.text = ''
values.append(valXML.text)
if self._type == 'text-multi' and convert:
values = "\n".join(values)
return values
else:
if valsXML[0].text is None:
return ''
return valsXML[0].text
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def set_options(self, options):
for value in options:
if isinstance(value, dict):
self.add_option(**value)
else:
self.add_option(value=value)
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def set_required(self, required):
exists = self['required']
if not exists and required:
self.xml.append(ET.Element('{%s}required' % self.namespace))
elif exists and not required:
del self['required']
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def set_value(self, value):
del self['value']
valXMLName = '{%s}value' % self.namespace
if self._type == 'boolean':
if value in self.true_values:
valXML = ET.Element(valXMLName)
valXML.text = '1'
self.xml.append(valXML)
else:
valXML = ET.Element(valXMLName)
valXML.text = '0'
self.xml.append(valXML)
elif self._type in self.multi_value_types or self._type in ('', None):
if isinstance(value, bool):
value = [value]
if not isinstance(value, list):
value = value.replace('\r', '')
value = value.split('\n')
for val in value:
if self._type in ('', None) and val in self.true_values:
val = '1'
valXML = ET.Element(valXMLName)
valXML.text = val
self.xml.append(valXML)
else:
if isinstance(value, list):
raise ValueError("Cannot add multiple values " + \
"to a %s field." % self._type)
valXML = ET.Element(valXMLName)
valXML.text = value
self.xml.append(valXML)
[docs]
class FieldOption(ElementBase):
namespace = 'jabber:x:data'
name = 'option'
plugin_attrib = 'option'
interfaces = {'label', 'value'}
sub_interfaces = {'value'}
plugin_multi_attrib = 'options'
FormField.addOption = FormField.add_option
FormField.delOptions = FormField.del_options
FormField.delRequired = FormField.del_required
FormField.delValue = FormField.del_value
FormField.getAnswer = FormField.get_answer
FormField.getOptions = FormField.get_options
FormField.getRequired = FormField.get_required
FormField.getValue = FormField.get_value
FormField.setAnswer = FormField.set_answer
FormField.setFalse = FormField.set_false
FormField.setOptions = FormField.set_options
FormField.setRequired = FormField.set_required
FormField.setTrue = FormField.set_true
FormField.setValue = FormField.set_value