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lj.py
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lj.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import time
import logging
import hashlib
import xmlrpc.client
import urllib.request, urllib.error, urllib.parse
from xml.etree.ElementTree import ElementTree
USER_AGENT = 'lj.py (http://bitbucket.org/Davydov/ljpy)'
LJ_TIME_FORMAT = r"%Y-%m-%d %H:%M:%S"
class Server:
def __init__(self, user, password, user_agent=USER_AGENT,
server='www.livejournal.com'):
self.username = user
self.hpassword = hashlib.md5(password).hexdigest()
self.transport = xmlrpc.client.Transport()
self.user_agent = user_agent
self.transport.user_agent = self.user_agent
self.server_name = server
self.server = xmlrpc.client.ServerProxy(
"http://%s/interface/xmlrpc:80" % self.server_name,
self.transport)
def get_challenge(self):
logging.debug('requesting new challenge')
result = self.server.LJ.XMLRPC.getchallenge()
logging.debug('got challenge: %s' % str(result))
return result
def get_auth(self):
challenge = self.get_challenge()
try:
auth = {'auth_method': 'challenge',
'auth_challenge': challenge['challenge'],
'auth_response': hashlib.md5(
challenge['challenge'] +
self.hpassword).hexdigest()}
except KeyError as inst:
raise UnexpectedReply('Server didn\'t returned %s.' %
inst.message)
logging.debug('auth: %s' % str(auth))
return auth
def get_session(self):
# Should I store session in cache?
request = {'username': self.username,
'ver': '1',
'expiration': 'short'}
request.update(self.get_auth())
logging.debug('sending sessiongenerate: %s' % str(request))
result = self.server.LJ.XMLRPC.sessiongenerate(request)
logging.debug('got result: %s' % str(result))
try:
return result['ljsession']
except KeyError:
raise UnexpectedReply(
'Server didn\'t returned ljsession.')
def get_last(self):
request = {'username': self.username,
'ver': '1',
'lineendings': '0x0A',
"selecttype": "lastn",
"itemid": -1,
"howmany": 1}
request.update(self.get_auth())
logging.debug('sending getevents: %s' % str(request))
result = self.server.LJ.XMLRPC.getevents(request)
logging.debug('got result: %s' % str(result))
return result['events'][0]
def del_event(self, itemid):
request = {'username': self.username,
'ver': '1',
"itemid": itemid}
request.update(self.get_auth())
logging.debug('sending editevent: %s' % str(request))
result = self.server.LJ.XMLRPC.editevent(request)
logging.debug('got result: %s' % str(result))
return result
# post is Post or dict with subj, text and tags
def post(self, post, eventtime=None, journal=None,
raise_on_premod=False):
if eventtime == None:
moment = time.localtime()
else:
moment = time.strptime(eventtime, LJ_TIME_FORMAT)
request = {'username': self.username,
'clientversion': 'Zapys/0.8',
'ver':'1',
'event': post['text'],
'subject': post['subj'],
'props': {'taglist': post['tags'],
'opt_preformatted': True},
'year': moment[0],
'mon': moment[1],
'day': moment[2],
'hour': moment[3],
'min': moment[4],
'lineendings':'0x0A'}
if journal:
request.update({'usejournal': journal})
request.update(self.get_auth())
logging.debug('sending postevent: %s' % str(request))
result = self.server.LJ.XMLRPC.postevent(request)
logging.debug('got result: %s' % str(result))
try:
result['itemid']
result['url']
except KeyError:
if raise_on_premod:
raise UnexpectedReply(
'Didn\'t expected premoderated.')
try:
result['message']
except KeyError:
raise UnexpectedReply(
'Server didn\'t returned message.')
return result
# post is Post or dict {subj, tags, text}
def edit(self, itemid, eventtime, post, journal=None):
moment = time.strptime(eventtime, LJ_TIME_FORMAT)
request = {'username': self.username,
'ver': '1',
"itemid": itemid,
'event': post['text'],
'subject': post['subj'],
'props': {'taglist': post['tags'],
'opt_preformatted': True},
'year': moment[0],
'mon': moment[1],
'day': moment[2],
'hour' : moment[3],
'min': moment[4]}
if journal:
request.update({'usejournal': journal})
request.update(self.get_auth())
logging.debug('sending editevent: %s' % str(request))
result = self.server.LJ.XMLRPC.editevent(request)
logging.debug('got result: %s' % str(result))
return result
def get_comments_meta(self, start_id=0, journal=None):
# This is plain api call. You should cache this.
# See http://www.livejournal.com/developer/exporting.bml.
session = self.get_session()
headers = {'User-Agent': self.user_agent,
'Cookie': 'ljsession=' + session}
url = 'http://%s/export_comments.bml'\
'?get=comment_meta&startid=%d' %\
(self.server_name, start_id)
if journal:
url += '&authas=%s' % journal
logging.debug('sending get_comments: %s (%s)' % (
url, str(headers)))
request = urllib.request.Request(url, None, headers)
response = urllib.request.urlopen(request)
result = {}
tree = ElementTree()
tree.parse(response)
result['maxid'] = tree.findtext('maxid')
comments = tree.find('comments')
result['comments'] = {}
for comment in comments.getiterator('comment'):
attrib = comment.attrib.copy()
id = int(attrib['id'])
del attrib['id']
try:
attrib['posterid']=int(attrib['posterid'])
except KeyError:
pass
result['comments'][id]=attrib
usermaps = tree.find('usermaps')
result['usermaps'] = {}
for usermap in usermaps.getiterator('usermap'):
id = int(usermap.attrib['id'])
user = usermap.attrib['user']
result['usermaps'][id]=user
return result
def get_comments_body(self, start_id=0, journal=None):
# This is plain api call. You should cache this.
# See http://www.livejournal.com/developer/exporting.bml.
session = self.get_session()
headers = {'User-Agent': self.user_agent,
'Cookie': 'ljsession=' + session}
url = 'http://%s/export_comments.bml'\
'?get=comment_body&startid=%d' %\
(self.server_name, start_id)
if journal:
url += '&authas=%s' % journal
logging.debug('sending get_comments: %s (%s)' % (
url, str(headers)))
request = urllib.request.Request(url, None, headers)
response = urllib.request.urlopen(request)
result = {}
tree = ElementTree()
tree.parse(response)
comments = tree.find('comments')
result['comments'] = {}
for comment in comments.getiterator('comment'):
attrib = comment.attrib.copy()
id = int(attrib['id'])
del attrib['id']
try:
attrib['posterid']=int(attrib['posterid'])
attrib['jitemid']=int(attrib['jitemid'])
attrib['parentid']=int(attrib['parentid'])
except KeyError:
pass
attrib['subject'] = comment.findtext('subject')
attrib['body'] = comment.findtext('body')
attrib['date'] = comment.findtext('date')
attrib['properties'] = {}
for property in comment.getiterator('property'):
attrib['properties'][property.attrib['name']]=\
property.text
result['comments'][id]=attrib
return result
# This is for compatibility. rpcServer is depricated.
class rpcServer(Server):
def __init__(self, *args, **kwargs):
logging.warn('lj.rpcServer is depricated. Use lj.Server.')
Server.__init__(self, *args, **kwargs)
class Post(dict):
def __init__(self, subject, text, tags=''):
self['subj'] = subject
self['text'] = text
self['tags'] = tags
class Error(Exception):
"""Base class for exceptions."""
def __init__(self, value):
self.value = value
def __str__(self):
return repr(self.value)
class UnexpectedReply(Error):
pass