From 48f0843ace5a8d383abe493b999e7bd4699598d7 Mon Sep 17 00:00:00 2001
From: Lance Stout <lancestout@gmail.com>
Date: Wed, 14 Jul 2010 11:59:58 -0400
Subject: Added initial stanza object version of the xep_0004 plugin.
Items/reported elements still need to be unit tested
---
sleekxmpp/plugins/alt_0004.py | 330 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 330 insertions(+)
create mode 100644 sleekxmpp/plugins/alt_0004.py
(limited to 'sleekxmpp')
diff --git a/sleekxmpp/plugins/alt_0004.py b/sleekxmpp/plugins/alt_0004.py
new file mode 100644
index 00000000..b38a4918
--- /dev/null
+++ b/sleekxmpp/plugins/alt_0004.py
@@ -0,0 +1,330 @@
+"""
+ SleekXMPP: The Sleek XMPP Library
+ Copyright (C) 2010 Nathanael C. Fritz, Lance J.T. Stout
+ This file is part of SleekXMPP.
+
+ See the file license.txt for copying permission.
+"""
+
+import logging
+import copy
+from . import base
+from .. xmlstream.handler.callback import Callback
+from .. xmlstream.matcher.xpath import MatchXPath
+from .. xmlstream.stanzabase import ElementBase, ET, JID
+from .. stanza.message import Message
+
+
+class Form(ElementBase):
+ namespace = 'jabber:x:data'
+ name = 'x'
+ plugin_attrib = 'form'
+ interfaces = set(('fields', 'instructions', 'items', 'reported', 'title', 'type', 'values'))
+ sub_interfaces = set(('title',))
+ form_types = set(('cancel', 'form', 'result', 'submit'))
+
+ def addField(self, var, ftype='text-single', label='', desc='', required=False, value=None, options=None):
+ field = FormField(parent=self)
+ field['var'] = var
+ field['type'] = ftype
+ field['label'] = label
+ field['desc'] = desc
+ field['required'] = required
+ field['value'] = value
+ if options is not None:
+ field['options'] = options
+ return field
+
+ def addItem(self, values):
+ itemXML = ET.Element('{%s}item' % self.namespace)
+ self.xml.append(itemXML)
+ reported_vars = self['reported'].keys()
+ for var in reported_vars:
+ fieldXML = ET.Element('{%s}field' % FormField.namespace)
+ itemXML.append(fieldXML)
+ field = FormField(xml=fieldXML)
+ field['var'] = var
+ field['value'] = values.get(var, None)
+
+ def addReported(self, var, ftype='text-single', label='', desc=''):
+ reported = self.xml.find('{%s}reported' % self.namespace)
+ if reported is None:
+ reported = ET.Element('{%s}reported' % self.namespace)
+ self.xml.append(reported)
+ fieldXML = ET.Element('{%s}field' % FormField.namespace)
+ reported.append(fieldXML)
+ field = FormField(xml=fieldXML)
+ field['var'] = var
+ field['type'] = ftype
+ field['label'] = label
+ field['desc'] = desc
+ return field
+
+ def cancel(self):
+ self['type'] = 'cancel'
+
+ def delFields(self):
+ fieldsXML = self.xml.findall('{%s}field' % FormField.namespace)
+ for fieldXML in fieldsXML:
+ self.xml.remove(fieldXML)
+
+ def delInstructions(self):
+ instsXML = self.xml.findall('{%s}instructions')
+ for instXML in instsXML:
+ self.xml.remove(instXML)
+
+ def delItems(self):
+ itemsXML = self.xml.find('{%s}item' % self.namespace)
+ for itemXML in itemsXML:
+ self.xml.remove(itemXML)
+
+ def delReported(self):
+ reportedXML = self.xml.find('{%s}reported' % self.namespace)
+ if reportedXML is not None:
+ self.xml.remove(reportedXML)
+
+ def getFields(self):
+ fields = {}
+ fieldsXML = self.xml.findall('{%s}field' % FormField.namespace)
+ for fieldXML in fieldsXML:
+ field = FormField(xml=fieldXML)
+ fields[field['var']] = field
+ return fields
+
+ def getInstructions(self):
+ instructions = ''
+ instsXML = self.xml.findall('{%s}instructions')
+ for instXML in instsXML:
+ instructions += instXML.text
+
+ def getItems(self):
+ items = []
+ itemsXML = self.xml.findall('{%s}item' % self.namespace)
+ for itemXML in itemsXML:
+ item = {}
+ fieldsXML = itemXML.findall('{%s}field' % FormField.namespace)
+ for fieldXML in fieldsXML:
+ field = FormField(xml=fieldXML)
+ item[field['var']] = field['value']
+ items.append(item)
+ return items
+
+ def getReported(self):
+ fields = {}
+ fieldsXML = self.xml.findall('{%s}reported/{%s}field' % (self.namespace,
+ FormField.namespace))
+ for fieldXML in fieldsXML:
+ field = FormField(xml=fieldXML)
+ fields[field['var']] = field
+ return fields
+
+ def getValues(self):
+ values = {}
+ fields = self.getFields()
+ for var in fields:
+ values[var] = fields[var]['value']
+ return values
+
+ def reply(self):
+ if self['type'] == 'form':
+ self['type'] = 'submit'
+ elif self['type'] == 'submit':
+ self['type'] = 'result'
+
+ def setFields(self, fields):
+ del self['fields']
+ for var in fields:
+ field = fields[var]
+
+ # Remap 'type' to 'ftype' to match the addField method
+ ftype = field.get('type', 'text-single')
+ field['type'] = ftype
+ del field['type']
+ field['ftype'] = ftype
+
+ self.addField(var, **field)
+
+ def setInstructions(self, instructions):
+ instructions = instructions.split('\n')
+ for instruction in instructions:
+ inst = ET.Element('{%s}instructions' % self.namespace)
+ inst.text = instruction
+ self.xml.append(inst)
+
+ def setItems(self, items):
+ for item in items:
+ self.addItem(item)
+
+ def setReported(self, reported):
+ for var in reported:
+ field = reported[var]
+
+ # Remap 'type' to 'ftype' to match the addReported method
+ ftype = field.get('type', 'text-single')
+ field['type'] = ftype
+ del field['type']
+ field['ftype'] = ftype
+
+ self.addReported(var, **field)
+
+ def setValues(self, values):
+ fields = self.getFields()
+ for field in values:
+ fields[field]['value'] = values[field]
+
+
+class FormField(ElementBase):
+ namespace = 'jabber:x:data'
+ name = 'field'
+ plugin_attrib = 'field'
+ interfaces = set(('answer', 'desc', 'required', 'value', 'options', 'label', 'type', 'var'))
+ sub_interfaces = set(('desc',))
+ field_types = set(('boolean', 'fixed', 'hidden', 'jid-multi', 'jid-single', 'list-multi',
+ 'list-single', 'text-multi', 'text-private', 'text-single'))
+ multi_value_types = set(('hidden', 'jid-multi', 'list-multi', 'text-multi'))
+ multi_line_types = set(('hidden', 'text-multi'))
+ option_types = set(('list-multi', 'list-single'))
+ true_values = set((True, '1', 'true'))
+
+ def addOption(self, label='', value=''):
+ if self['type'] in self.option_types:
+ opt = FieldOption(parent=self)
+ opt['label'] = label
+ opt['value'] = value
+ else:
+ raise ValueError("Cannot add options to a %s field." % self['type'])
+
+ def delOptions(self):
+ optsXML = self.xml.findall('{%s}option' % self.namespace)
+ for optXML in optsXML:
+ self.xml.remove(optXML)
+
+ def delRequired(self):
+ reqXML = self.xml.find('{%s}required' % self.namespace)
+ if reqXML is not None:
+ self.xml.remove(reqXML)
+
+ def delValue(self):
+ valsXML = self.xml.findall('{%s}value' % self.namespace)
+ for valXML in valsXML:
+ self.xml.remove(valXML)
+
+ def getAnswer(self):
+ return self.getValue()
+
+ def getOptions(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
+
+ def getRequired(self):
+ reqXML = self.xml.find('{%s}required' % self.namespace)
+ return reqXML is not None
+
+ def getValue(self):
+ valsXML = self.xml.findall('{%s}value' % self.namespace)
+ if len(valsXML) == 0:
+ return None
+ elif self['type'] == 'boolean':
+ return valsXML[0].text in self.true_values
+ elif self['type'] in self.multi_value_types:
+ values = []
+ for valXML in valsXML:
+ if valXML.text is None:
+ valXML.text = ''
+ values.append(valXML.text)
+ if self['type'] == 'text-multi':
+ values = "\n".join(values)
+ return values
+ else:
+ return valsXML[0].text
+
+ def setAnswer(self, answer):
+ self.setValue(answer)
+
+ def setFalse(self):
+ self.setValue(False)
+
+ def setOptions(self, options):
+ for value in options:
+ if isinstance(value, dict):
+ self.addOption(**value)
+ else:
+ self.addOption(value=value)
+
+ def setRequired(self, required):
+ exists = self.getRequired()
+ if not exists and required:
+ self.xml.append(ET.Element('{%s}required' % self.namespace))
+ elif exists and not required:
+ self.delRequired()
+
+ def setTrue(self):
+ self.setValue(True)
+
+ def setValue(self, value):
+ self.delValue()
+ valXMLName = '{%s}value' % self.namespace
+
+ if self['type'] == 'boolean':
+ if value in self.true_values:
+ valXML = ET.Element(valXMLName)
+ valXML.text = 'true'
+ self.xml.append(valXML)
+ else:
+ valXML = ET.Element(valXMLName)
+ valXML.text = 'true'
+ self.xml.append(valXML)
+ if self['type'] in self.multi_value_types:
+ if self['type'] in self.multi_line_types and isinstance(value, str):
+ value = value.split('\n')
+ if not isinstance(value, list):
+ value = [value]
+ for val in value:
+ 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)
+
+
+class FieldOption(ElementBase):
+ namespace = 'jabber:x:data'
+ name = 'option'
+ plugin_attrib = 'option'
+ interfaces = set(('label', 'value'))
+ sub_interfaces = set(('value',))
+
+
+class alt_0004(base.base_plugin):
+ """
+ XEP-0004: Data Forms
+ """
+
+ def plugin_init(self):
+ self.xep = '0004'
+ self.description = 'Data Forms'
+
+ self.xmpp.registerHandler(
+ Callback('Data Form',
+ MatchXPath('{%s}message/{%s}x' % (self.xmpp.default_ns,
+ Form.namespace)),
+ self.handle_form))
+
+ self.xmpp.stanzaPlugin(FormField, FieldOption)
+ self.xmpp.stanzaPlugin(Form, FormField)
+ self.xmpp.stanzaPlugin(Message, Form)
+
+ def post_init(self):
+ base.base_plugin.post_init(self)
+ self.xmpp.plugin['xep_0030'].add_feature('jabber:x:data')
+
+ def handle_form(self, message):
+ self.xmpp.event("message_xform", message)
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