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# -*- coding: utf-8 -*-
# Copyright(C) 2011 Clément Schreiner
#
# This file is part of weboob.
#
# weboob is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# weboob 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with weboob. If not, see <http://www.gnu.org/licenses/>.
from urlparse import urlsplit, urljoin
import urllib
import datetime
import re
from weboob.tools.browser import BaseBrowser, BrowserIncorrectPassword
from weboob.tools.json import json as simplejson
from weboob.capabilities.content import Revision
__all__ = ['MediawikiBrowser']
class APIError(Exception):
pass
# Browser
class MediawikiBrowser(BaseBrowser):
ENCODING = 'utf-8'
def __init__(self, url, apiurl, *args, **kwargs):
url_parsed = urlsplit(url)
self.PROTOCOL = url_parsed.scheme
self.DOMAIN = url_parsed.netloc
self.BASEPATH = url_parsed.path
if self.BASEPATH.endswith('/'):
self.BASEPATH = self.BASEPATH[:-1]
self.apiurl = apiurl
BaseBrowser.__init__(self, *args, **kwargs)
def url2page(self, page):
baseurl = self.PROTOCOL + '://' + self.DOMAIN + self.BASEPATH
m = re.match('^' + urljoin(baseurl, 'wiki/(.+)$'), page)
if m:
return m.group(1)
else:
return page
def get_wiki_source(self, page):
assert isinstance(self.apiurl, basestring)
page = self.url2page(page)
data = {'action': 'query',
'prop': 'revisions|info',
'titles': page,
'rvprop': 'content|timestamp',
'rvlimit': '1',
'intoken': 'edit',
}
result = self.API_get(data)
pageid = result['query']['pages'].keys()[0]
if pageid == "-1": # Page does not exist
return ""
return result['query']['pages'][str(pageid)]['revisions'][0]['*']
def get_token(self, page, _type):
''' _type can be edit, delete, protect, move, block, unblock, email or import'''
if len(self.username) > 0 and not self.is_logged():
self.login()
data = {'action': 'query',
'prop': 'info',
'titles': page,
'intoken': _type,
}
result = self.API_get(data)
pageid = result['query']['pages'].keys()[0]
return result['query']['pages'][str(pageid)][_type + 'token']
def set_wiki_source(self, content, message=None, minor=False):
if len(self.username) > 0 and not self.is_logged():
self.login()
page = content.id
token = self.get_token(page, 'edit')
data = {'action': 'edit',
'title': page,
'token': token,
'text': content.content.encode('utf-8'),
'summary': message,
}
if minor:
data['minor'] = 'true'
self.API_post(data)
def get_wiki_preview(self, content, message=None):
data = {'action': 'parse',
'title': content.id,
'text': content.content.encode('utf-8'),
'summary': message,
}
result = self.API_post(data)
return result['parse']['text']['*']
def is_logged(self):
data = {'action': 'query',
'meta': 'userinfo',
}
result = self.API_get(data)
return result['query']['userinfo']['id'] != 0
def login(self):
assert isinstance(self.username, basestring)
assert isinstance(self.password, basestring)
assert isinstance(self.apiurl, basestring)
data = {'action': 'login',
'lgname': self.username,
'lgpassword': self.password,
}
result = self.API_post(data)
if result['login']['result'] == 'WrongPass':
raise BrowserIncorrectPassword()
if result['login']['result'] == 'NeedToken':
data['lgtoken'] = result['login']['token']
self.API_post(data)
def iter_wiki_revisions(self, page, nb_entries):
"""
Yield 'Revision' objects for the last <nb_entries> revisions of the specified page.
"""
if len(self.username) > 0 and not self.is_logged():
self.login()
data = {'action': 'query',
'titles': page,
'prop': 'revisions',
'rvprop': 'ids|timestamp|comment|user|flags',
'rvlimit': str(nb_entries),
}
result = self.API_get(data)
pageid = str(result['query']['pages'].keys()[0])
if pageid != "-1":
for rev in result['query']['pages'][pageid]['revisions']:
rev_content = Revision(str(rev['revid']))
rev_content.comment = rev['comment']
rev_content.author = rev['user']
rev_content.timestamp = datetime.datetime.strptime(rev['timestamp'], '%Y-%m-%dT%H:%M:%SZ')
rev_content.minor = 'minor' in rev
yield rev_content
def home(self):
# We don't need to change location, we're using the JSON API here.
pass
def check_result(self, result):
if 'error' in result:
raise APIError('%s' % result['error']['info'])
def API_get(self, data):
"""
Submit a GET request to the website
The JSON data is parsed and returned as a dictionary
"""
data['format'] = 'json'
result = simplejson.loads(self.readurl(self.buildurl(self.apiurl, **data)), 'utf-8')
self.check_result(result)
return result
def API_post(self, data):
"""
Submit a POST request to the website
The JSON data is parsed and returned as a dictionary
"""
data['format'] = 'json'
result = simplejson.loads(self.readurl(self.apiurl, urllib.urlencode(data)), 'utf-8')
self.check_result(result)
return result
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