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authorlouiz@4325f9fc-e183-4c21-96ce-0ab188b42d13 <louiz@4325f9fc-e183-4c21-96ce-0ab188b42d13>2010-07-20 00:10:39 +0000
committerlouiz@4325f9fc-e183-4c21-96ce-0ab188b42d13 <louiz@4325f9fc-e183-4c21-96ce-0ab188b42d13>2010-07-20 00:10:39 +0000
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-#!/usr/bin/python
-""" The example of using xmpppy's Ad-Hoc Commands (JEP-0050) implementation.
-"""
-import xmpp
-from xmpp.protocol import *
-
-options = {
- 'JID': 'circles@example.com',
- 'Password': '********',
-}
-
-class TestCommand(xmpp.commands.Command_Handler_Prototype):
- """ Example class. You should read source if you wish to understate how it works. This one
- actually does some calculations."""
- name = 'testcommand'
- description = 'Circle calculations'
- def __init__(self, jid=''):
- """ Initialize some internals. Set the first request handler to self.calcTypeForm.
- """
- xmpp.commands.Command_Handler_Prototype.__init__(self,jid)
- self.initial = {
- 'execute': self.initialForm
- }
-
- def initialForm(self, conn, request):
- """ Assign a session id and send the first form. """
- sessionid = self.getSessionID()
- self.sessions[sessionid] = {
- 'jid':request.getFrom(),
- 'data':{'type':None}
- }
-
- # simulate that the client sent sessionid, so calcTypeForm will be able
- # to continue
- request.getTag(name="command").setAttr('sessionid', sessionid)
-
- return self.calcTypeForm(conn, request)
-
- def calcTypeForm(self, conn, request):
- """ Send first form to the requesting user. """
- # get the session data
- sessionid = request.getTagAttr('command','sessionid')
- session = self.sessions[sessionid]
-
- # What to do when a user sends us a response? Note, that we should always
- # include 'execute', as it is a default action when requester does not send
- # exact action to do (should be set to the same as 'next' or 'complete' fields)
- session['actions'] = {
- 'cancel': self.cancel,
- 'next': self.calcTypeFormAccept,
- 'execute': self.calcTypeFormAccept,
- }
-
- # The form to send
- calctypefield = xmpp.DataField(
- name='calctype',
- desc='Calculation Type',
- value=session['data']['type'],
- options=[
- ['Calculate the diameter of a circle','circlediameter'],
- ['Calculate the area of a circle','circlearea']
- ],
- typ='list-single',
- required=1)
-
- # We set label attribute... seems that the xmpppy.DataField cannot do that
- calctypefield.setAttr('label', 'Calculation Type')
-
- form = xmpp.DataForm(
- title='Select type of operation',
- data=[
- 'Use the combobox to select the type of calculation you would like'\
- 'to do, then click Next.',
- calctypefield])
-
- # Build a reply with the form
- reply = request.buildReply('result')
- replypayload = [
- xmpp.Node('actions',
- attrs={'execute':'next'},
- payload=[xmpp.Node('next')]),
- form]
- reply.addChild(
- name='command',
- namespace=NS_COMMANDS,
- attrs={
- 'node':request.getTagAttr('command','node'),
- 'sessionid':sessionid,
- 'status':'executing'},
- payload=replypayload)
- self._owner.send(reply) # Question: self._owner or conn?
- raise xmpp.NodeProcessed
-
- def calcTypeFormAccept(self, conn, request):
- """ Load the calcType form filled in by requester, then reply with
- the second form. """
- # get the session data
- sessionid = request.getTagAttr('command','sessionid')
- session = self.sessions[sessionid]
-
- # load the form
- node = request.getTag(name='command').getTag(name='x',namespace=NS_DATA)
- form = xmpp.DataForm(node=node)
-
- # retrieve the data
- session['data']['type'] = form.getField('calctype').getValue()
-
- # send second form
- return self.calcDataForm(conn, request)
-
- def calcDataForm(self, conn, request, notavalue=None):
- """ Send a form asking for diameter. """
- # get the session data
- sessionid = request.getTagAttr('command','sessionid')
- session = self.sessions[sessionid]
-
- # set the actions taken on requester's response
- session['actions'] = {
- 'cancel': self.cancel,
- 'prev': self.calcTypeForm,
- 'next': self.calcDataFormAccept,
- 'execute': self.calcDataFormAccept
- }
-
- # create a form
- radiusfield = xmpp.DataField(desc='Radius',name='radius',typ='text-single')
- radiusfield.setAttr('label', 'Radius')
-
- form = xmpp.DataForm(
- title = 'Enter the radius',
- data=[
- 'Enter the radius of the circle (numbers only)',
- radiusfield])
-
- # build a reply stanza
- reply = request.buildReply('result')
- replypayload = [
- xmpp.Node('actions',
- attrs={'execute':'complete'},
- payload=[xmpp.Node('complete'),xmpp.Node('prev')]),
- form]
-
- if notavalue:
- replypayload.append(xmpp.Node('note',
- attrs={'type': 'warn'},
- payload=['You have to enter valid number.']))
-
- reply.addChild(
- name='command',
- namespace=NS_COMMANDS,
- attrs={
- 'node':request.getTagAttr('command','node'),
- 'sessionid':request.getTagAttr('command','sessionid'),
- 'status':'executing'},
- payload=replypayload)
-
- self._owner.send(reply)
- raise xmpp.NodeProcessed
-
- def calcDataFormAccept(self, conn, request):
- """ Load the calcType form filled in by requester, then reply with the result. """
- # get the session data
- sessionid = request.getTagAttr('command','sessionid')
- session = self.sessions[sessionid]
-
- # load the form
- node = request.getTag(name='command').getTag(name='x',namespace=NS_DATA)
- form = xmpp.DataForm(node=node)
-
- # retrieve the data; if the entered value is not a number, return to second stage
- try:
- value = float(form.getField('radius').getValue())
- except:
- self.calcDataForm(conn, request, notavalue=True)
-
- # calculate the answer
- from math import pi
- if session['data']['type'] == 'circlearea':
- result = (value**2) * pi
- else:
- result = 2 * value * pi
-
- # build the result form
- form = xmpp.DataForm(
- typ='result',
- data=[xmpp.DataField(desc='result', name='result', value=result)])
-
- # build the reply stanza
- reply = request.buildReply('result')
- reply.addChild(
- name='command',
- namespace=NS_COMMANDS,
- attrs={
- 'node':request.getTagAttr('command','node'),
- 'sessionid':sessionid,
- 'status':'completed'},
- payload=[form])
-
- self._owner.send(reply)
-
- # erase the data about session
- del self.sessions[sessionid]
-
- raise xmpp.NodeProcessed
-
- def cancel(self, conn, request):
- """ Requester canceled the session, send a short reply. """
- # get the session id
- sessionid = request.getTagAttr('command','sessionid')
-
- # send the reply
- reply = request.buildReply('result')
- reply.addChild(
- name='command',
- namespace=NS_COMMANDS,
- attrs={
- 'node':request.getTagAttr('command','node'),
- 'sessionid':sessionid,
- 'status':'cancelled'})
- self._owner.send(reply)
-
- # erase the data about session
- del self.sessions[sessionid]
-
- raise xmpp.NodeProcessed
-
-class ConnectionError: pass
-class AuthorizationError: pass
-class NotImplemented: pass
-
-class Bot:
- """ The main bot class. """
-
- def __init__(self, JID, Password):
- """ Create a new bot. Connect to the server and log in. """
-
- # connect...
- jid = xmpp.JID(JID)
- self.connection = xmpp.Client(jid.getDomain(), debug=['always', 'browser', 'testcommand'])
-
- result = self.connection.connect()
-
- if result is None:
- raise ConnectionError
-
- # authorize
- result = self.connection.auth(jid.getNode(), Password)
-
- if result is None:
- raise AuthorizationError
-
- # plugins
- # disco - needed by commands
-
- # warning: case of "plugin" method names are important!
- # to attach a command to Commands class, use .plugin()
- # to attach anything to Client class, use .PlugIn()
- self.disco = xmpp.browser.Browser()
- self.disco.PlugIn(self.connection)
- self.disco.setDiscoHandler({
- 'info': {
- 'ids': [{
- 'category': 'client',
- 'type': 'pc',
- 'name': 'Bot'
- }],
- 'features': [NS_DISCO_INFO],
- }
- })
-
- self.commands = xmpp.commands.Commands(self.disco)
- self.commands.PlugIn(self.connection)
-
- self.command_test = TestCommand()
- self.command_test.plugin(self.commands)
-
- # presence
- self.connection.sendInitPresence(requestRoster=0)
-
- def loop(self):
- """ Do nothing except handling new xmpp stanzas. """
- try:
- while self.connection.Process(1):
- pass
- except KeyboardInterrupt:
- pass
-
-bot = Bot(**options)
-bot.loop()