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"""
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.
"""
import copy
import logging
from collections import OrderedDict
from slixmpp.xmlstream import ElementBase, ET
from slixmpp.plugins.xep_0004.stanza import FormField
log = logging.getLogger(__name__)
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 __init__(self, *args, **kwargs):
title = None
if 'title' in kwargs:
title = kwargs['title']
del kwargs['title']
ElementBase.__init__(self, *args, **kwargs)
if title is not None:
self['title'] = title
def setup(self, xml=None):
if ElementBase.setup(self, xml):
# If we had to generate xml
self['type'] = 'form'
@property
def field(self):
return self['fields']
def set_type(self, ftype):
self._set_attr('type', ftype)
if ftype == 'submit':
fields = self['fields']
for var in fields:
field = fields[var]
del field['type']
del field['label']
del field['desc']
del field['required']
del field['options']
elif ftype == 'cancel':
del self['fields']
def add_field(self, var='', ftype=None, label='', desc='',
required=False, value=None, options=None, **kwargs):
kwtype = kwargs.get('type', None)
if kwtype is None:
kwtype = ftype
field = FormField()
field['var'] = var
field['type'] = kwtype
field['value'] = value
if self['type'] in ('form', 'result'):
field['label'] = label
field['desc'] = desc
field['required'] = required
if options is not None:
field['options'] = options
else:
del field['type']
self.append(field)
return field
def getXML(self, type='submit'):
self['type'] = type
log.warning("Form.getXML() is deprecated API compatibility " + \
"with plugins/old_0004.py")
return self.xml
def fromXML(self, xml):
log.warning("Form.fromXML() is deprecated API compatibility " + \
"with plugins/old_0004.py")
n = Form(xml=xml)
return n
def add_item(self, values):
itemXML = ET.Element('{%s}item' % self.namespace)
self.xml.append(itemXML)
reported_vars = self['reported'].keys()
for var in reported_vars:
field = FormField()
field._type = self['reported'][var]['type']
field['var'] = var
field['value'] = values.get(var, None)
itemXML.append(field.xml)
def add_reported(self, var, ftype=None, label='', desc='', **kwargs):
kwtype = kwargs.get('type', None)
if kwtype is None:
kwtype = ftype
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'] = kwtype
field['label'] = label
field['desc'] = desc
return field
def cancel(self):
self['type'] = 'cancel'
def del_fields(self):
fieldsXML = self.xml.findall('{%s}field' % FormField.namespace)
for fieldXML in fieldsXML:
self.xml.remove(fieldXML)
def del_instructions(self):
instsXML = self.xml.findall('{%s}instructions')
for instXML in instsXML:
self.xml.remove(instXML)
def del_items(self):
itemsXML = self.xml.find('{%s}item' % self.namespace)
for itemXML in itemsXML:
self.xml.remove(itemXML)
def del_reported(self):
reportedXML = self.xml.find('{%s}reported' % self.namespace)
if reportedXML is not None:
self.xml.remove(reportedXML)
def get_fields(self, use_dict=False):
fields = OrderedDict()
for stanza in self['substanzas']:
if isinstance(stanza, FormField):
fields[stanza['var']] = stanza
return fields
def get_instructions(self):
instructions = ''
instsXML = self.xml.findall('{%s}instructions' % self.namespace)
return "\n".join([instXML.text for instXML in instsXML])
def get_items(self):
items = []
itemsXML = self.xml.findall('{%s}item' % self.namespace)
for itemXML in itemsXML:
item = OrderedDict()
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 get_reported(self):
fields = OrderedDict()
xml = self.xml.findall('{%s}reported/{%s}field' % (self.namespace,
FormField.namespace))
for field in xml:
field = FormField(xml=field)
fields[field['var']] = field
return fields
def get_values(self):
values = OrderedDict()
fields = self['fields']
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 set_fields(self, fields):
del self['fields']
if not isinstance(fields, list):
fields = fields.items()
for var, field in fields:
field['var'] = var
self.add_field(**field)
def set_instructions(self, instructions):
del self['instructions']
if instructions in [None, '']:
return
if not isinstance(instructions, list):
instructions = instructions.split('\n')
for instruction in instructions:
inst = ET.Element('{%s}instructions' % self.namespace)
inst.text = instruction
self.xml.append(inst)
def set_items(self, items):
for item in items:
self.add_item(item)
def set_reported(self, reported):
for var in reported:
field = reported[var]
field['var'] = var
self.add_reported(var, **field)
def set_values(self, values):
fields = self['fields']
for field in values:
if field not in fields:
fields[field] = self.add_field(var=field)
fields[field]['value'] = values[field]
def merge(self, other):
new = copy.copy(self)
if type(other) == dict:
new['values'] = other
return new
nfields = new['fields']
ofields = other['fields']
nfields.update(ofields)
new['fields'] = nfields
return new
Form.addField = Form.add_field
Form.addReported = Form.add_reported
Form.delFields = Form.del_fields
Form.delInstructions = Form.del_instructions
Form.delReported = Form.del_reported
Form.getFields = Form.get_fields
Form.getInstructions = Form.get_instructions
Form.getReported = Form.get_reported
Form.getValues = Form.get_values
Form.setFields = Form.set_fields
Form.setInstructions = Form.set_instructions
Form.setReported = Form.set_reported
Form.setValues = Form.set_values
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