mirror of
https://github.com/correl/SleekXMPP.git
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de24e9ed45
Forms have default type of 'form' setFields now uses a list of tuples instead of a dictionary because ordering is important. getFields defaults to returning a list of tuples, but the use_dict parameter can change that
347 lines
9.5 KiB
Python
347 lines
9.5 KiB
Python
"""
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SleekXMPP: The Sleek XMPP Library
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Copyright (C) 2010 Nathanael C. Fritz, Lance J.T. Stout
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This file is part of SleekXMPP.
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See the file LICENSE for copying permission.
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"""
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import logging
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import copy
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from . import base
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from .. xmlstream.handler.callback import Callback
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from .. xmlstream.matcher.xpath import MatchXPath
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from .. xmlstream.stanzabase import registerStanzaPlugin, ElementBase, ET, JID
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from .. stanza.message import Message
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class Form(ElementBase):
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namespace = 'jabber:x:data'
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name = 'x'
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plugin_attrib = 'form'
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interfaces = set(('fields', 'instructions', 'items', 'reported', 'title', 'type', 'values'))
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sub_interfaces = set(('title',))
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form_types = set(('cancel', 'form', 'result', 'submit'))
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def setup(self, xml=None):
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if ElementBase.setup(self, xml): #if we had to generate xml
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self['type'] = 'form'
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def addField(self, var='', ftype=None, label='', desc='', required=False, value=None, options=None, **kwargs):
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kwtype = kwargs.get('type', None)
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if kwtype is None:
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kwtype = ftype
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field = FormField(parent=self)
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field['var'] = var
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field['type'] = kwtype
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field['label'] = label
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field['desc'] = desc
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field['required'] = required
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field['value'] = value
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if options is not None:
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field['options'] = options
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return field
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def getXML(self):
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logging.warning("Form.getXML() is deprecated API compatibility with plugins/old_0004.py")
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return self.xml
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def fromXML(self, xml):
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logging.warning("Form.fromXML() is deprecated API compatibility with plugins/old_0004.py")
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n = Form(xml=xml)
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return n
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def addItem(self, values):
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itemXML = ET.Element('{%s}item' % self.namespace)
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self.xml.append(itemXML)
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reported_vars = self['reported'].keys()
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for var in reported_vars:
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fieldXML = ET.Element('{%s}field' % FormField.namespace)
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itemXML.append(fieldXML)
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field = FormField(xml=fieldXML)
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field['var'] = var
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field['value'] = values.get(var, None)
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def addReported(self, var, ftype=None, label='', desc='', **kwargs):
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kwtype = kwargs.get('type', None)
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if kwtype is None:
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kwtype = ftype
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reported = self.xml.find('{%s}reported' % self.namespace)
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if reported is None:
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reported = ET.Element('{%s}reported' % self.namespace)
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self.xml.append(reported)
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fieldXML = ET.Element('{%s}field' % FormField.namespace)
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reported.append(fieldXML)
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field = FormField(xml=fieldXML)
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field['var'] = var
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field['type'] = kwtype
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field['label'] = label
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field['desc'] = desc
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return field
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def cancel(self):
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self['type'] = 'cancel'
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def delFields(self):
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fieldsXML = self.xml.findall('{%s}field' % FormField.namespace)
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for fieldXML in fieldsXML:
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self.xml.remove(fieldXML)
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def delInstructions(self):
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instsXML = self.xml.findall('{%s}instructions')
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for instXML in instsXML:
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self.xml.remove(instXML)
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def delItems(self):
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itemsXML = self.xml.find('{%s}item' % self.namespace)
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for itemXML in itemsXML:
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self.xml.remove(itemXML)
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def delReported(self):
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reportedXML = self.xml.find('{%s}reported' % self.namespace)
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if reportedXML is not None:
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self.xml.remove(reportedXML)
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def getFields(self, use_dict=False):
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fields = {} if use_dict else []
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fieldsXML = self.xml.findall('{%s}field' % FormField.namespace)
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for fieldXML in fieldsXML:
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field = FormField(xml=fieldXML)
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if use_dict:
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fields[field['var']] = field
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else:
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fields.append((field['var'], field))
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return fields
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def getInstructions(self):
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instructions = ''
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instsXML = self.xml.findall('{%s}instructions' % self.namespace)
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return "\n".join([instXML.text for instXML in instsXML])
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def getItems(self):
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items = []
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itemsXML = self.xml.findall('{%s}item' % self.namespace)
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for itemXML in itemsXML:
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item = {}
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fieldsXML = itemXML.findall('{%s}field' % FormField.namespace)
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for fieldXML in fieldsXML:
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field = FormField(xml=fieldXML)
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item[field['var']] = field['value']
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items.append(item)
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return items
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def getReported(self):
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fields = {}
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fieldsXML = self.xml.findall('{%s}reported/{%s}field' % (self.namespace,
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FormField.namespace))
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for fieldXML in fieldsXML:
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field = FormField(xml=fieldXML)
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fields[field['var']] = field
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return fields
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def getValues(self):
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values = {}
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fields = self.getFields(use_dict=True)
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for var in fields:
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values[var] = fields[var]['value']
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return values
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def reply(self):
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if self['type'] == 'form':
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self['type'] = 'submit'
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elif self['type'] == 'submit':
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self['type'] = 'result'
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def setFields(self, fields, default=None):
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del self['fields']
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for field_data in fields:
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var = field_data[0]
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field = field_data[1]
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field['var'] = var
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self.addField(**field)
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def setInstructions(self, instructions):
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del self['instructions']
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if instructions in [None, '']:
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return
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instructions = instructions.split('\n')
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for instruction in instructions:
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inst = ET.Element('{%s}instructions' % self.namespace)
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inst.text = instruction
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self.xml.append(inst)
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def setItems(self, items):
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for item in items:
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self.addItem(item)
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def setReported(self, reported, default=None):
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for var in reported:
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field = reported[var]
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field['var'] = var
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self.addReported(var, **field)
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def setValues(self, values):
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fields = self.getFields(use_dict=True)
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for field in values:
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fields[field]['value'] = values[field]
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class FormField(ElementBase):
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namespace = 'jabber:x:data'
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name = 'field'
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plugin_attrib = 'field'
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interfaces = set(('answer', 'desc', 'required', 'value', 'options', 'label', 'type', 'var'))
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sub_interfaces = set(('desc',))
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field_types = set(('boolean', 'fixed', 'hidden', 'jid-multi', 'jid-single', 'list-multi',
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'list-single', 'text-multi', 'text-private', 'text-single'))
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multi_value_types = set(('hidden', 'jid-multi', 'list-multi', 'text-multi'))
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multi_line_types = set(('hidden', 'text-multi'))
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option_types = set(('list-multi', 'list-single'))
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true_values = set((True, '1', 'true'))
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def addOption(self, label='', value=''):
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if self['type'] in self.option_types:
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opt = FieldOption(parent=self)
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opt['label'] = label
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opt['value'] = value
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else:
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raise ValueError("Cannot add options to a %s field." % self['type'])
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def delOptions(self):
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optsXML = self.xml.findall('{%s}option' % self.namespace)
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for optXML in optsXML:
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self.xml.remove(optXML)
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def delRequired(self):
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reqXML = self.xml.find('{%s}required' % self.namespace)
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if reqXML is not None:
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self.xml.remove(reqXML)
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def delValue(self):
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valsXML = self.xml.findall('{%s}value' % self.namespace)
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for valXML in valsXML:
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self.xml.remove(valXML)
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def getAnswer(self):
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return self.getValue()
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def getOptions(self):
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options = []
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optsXML = self.xml.findall('{%s}option' % self.namespace)
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for optXML in optsXML:
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opt = FieldOption(xml=optXML)
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options.append({'label': opt['label'], 'value':opt['value']})
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return options
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def getRequired(self):
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reqXML = self.xml.find('{%s}required' % self.namespace)
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return reqXML is not None
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def getValue(self):
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valsXML = self.xml.findall('{%s}value' % self.namespace)
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if len(valsXML) == 0:
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return None
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elif self['type'] == 'boolean':
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return valsXML[0].text in self.true_values
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elif self['type'] in self.multi_value_types:
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values = []
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for valXML in valsXML:
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if valXML.text is None:
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valXML.text = ''
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values.append(valXML.text)
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if self['type'] == 'text-multi':
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values = "\n".join(values)
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return values
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else:
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return valsXML[0].text
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def setAnswer(self, answer):
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self.setValue(answer)
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def setFalse(self):
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self.setValue(False)
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def setOptions(self, options):
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for value in options:
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if isinstance(value, dict):
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self.addOption(**value)
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else:
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self.addOption(value=value)
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def setRequired(self, required):
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exists = self.getRequired()
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if not exists and required:
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self.xml.append(ET.Element('{%s}required' % self.namespace))
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elif exists and not required:
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self.delRequired()
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def setTrue(self):
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self.setValue(True)
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def setValue(self, value):
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self.delValue()
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valXMLName = '{%s}value' % self.namespace
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if self['type'] == 'boolean':
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if value in self.true_values:
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valXML = ET.Element(valXMLName)
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valXML.text = '1'
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self.xml.append(valXML)
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else:
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valXML = ET.Element(valXMLName)
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valXML.text = '0'
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self.xml.append(valXML)
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elif self['type'] in self.multi_value_types or self['type'] in ['', None]:
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if self['type'] in self.multi_line_types and isinstance(value, str):
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value = value.split('\n')
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if not isinstance(value, list):
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value = [value]
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for val in value:
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if self['type'] in ['', None] and val in self.true_values:
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val = '1'
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valXML = ET.Element(valXMLName)
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valXML.text = val
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self.xml.append(valXML)
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else:
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if isinstance(value, list):
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raise ValueError("Cannot add multiple values to a %s field." % self['type'])
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valXML = ET.Element(valXMLName)
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valXML.text = value
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self.xml.append(valXML)
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class FieldOption(ElementBase):
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namespace = 'jabber:x:data'
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name = 'option'
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plugin_attrib = 'option'
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interfaces = set(('label', 'value'))
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sub_interfaces = set(('value',))
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class xep_0004(base.base_plugin):
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"""
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XEP-0004: Data Forms
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"""
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def plugin_init(self):
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self.xep = '0004'
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self.description = 'Data Forms'
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self.xmpp.registerHandler(
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Callback('Data Form',
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MatchXPath('{%s}message/{%s}x' % (self.xmpp.default_ns,
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Form.namespace)),
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self.handle_form))
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registerStanzaPlugin(FormField, FieldOption)
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registerStanzaPlugin(Form, FormField)
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registerStanzaPlugin(Message, Form)
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def post_init(self):
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base.base_plugin.post_init(self)
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self.xmpp.plugin['xep_0030'].add_feature('jabber:x:data')
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def handle_form(self, message):
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self.xmpp.event("message_xform", message)
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