aboutsummaryrefslogtreecommitdiff
path: root/app/python/mediawiki.py
blob: 1942c95d8f4196c742145c7b1518e1a2a9a6bad8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
# -*- coding: utf-8 -*-
#
# This file is part of GNU Dico.
# Copyright (C) 2008-2010, 2012 Wojciech Polak
#
# GNU Dico 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, or (at your option)
# any later version.
#
# GNU Dico 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 GNU Dico.  If not, see <http://www.gnu.org/licenses/>.

import sys
import re
import socket
import urllib2
from htmlentitydefs import name2codepoint
from xml.dom import minidom
from wit import wiki2text

# Set utf-8 as the default encoding. 
# Trying to do so using encode('utf_8')/unicode, which is 
# supposed to be the right way, does not work.
# Simply calling sys.setdefaultencoding is not possible,
# because, for some obscure reason, Python chooses to delete 
# this symbol from the namespace after setting its default 
# encoding in site.py. That's why reload is needed. 

reload(sys)
sys.setdefaultencoding('utf-8')

try:
    import json
except ImportError:
    import simplejson as json

import dico

__version__ = '1.03'

class DicoModule:
    user_agent = 'Mozilla/1.0'
    endpoint_match  = '/w/api.php?action=opensearch&format=json&search='
    endpoint_define = '/wiki/Special:Export/'

    def __init__ (self, *argv):
        self.wikihost = argv[0]
        socket.setdefaulttimeout (4)
        dico.register_markup ('wiki')

    def open (self, dbname):
        self.dbname = dbname
        return True

    def close (self):
        return True

    def descr (self):
        return self.wikihost

    def info (self):
        return False

    def define_word (self, word):
        url = 'http://%s%s%s' % (self.wikihost, self.endpoint_define,
                                 urllib2.quote (word))
        req = urllib2.Request (url)
        req.add_header ('User-Agent', self.user_agent)
        try:
            xml = urllib2.urlopen (req).read ()
        except urllib2.URLError:
            return False
        dom = minidom.parseString (xml)
        el = dom.getElementsByTagName ('text')
        if len (el):
            data = el[0].firstChild.data
            if dico.current_markup () != 'wiki':
                data = self.__htmlentitydecode (data).encode ('utf_8')
                wikiparser = wiki2text.TextWiktionaryMarkup (text=data)
                wikiparser.parse ()
                data = str (wikiparser)
            return ['define', data]
        else:
            return False

    def match_word (self, strat, key):
        url = 'http://%s%s%s' % (self.wikihost, self.endpoint_match,
                                 urllib2.quote (key.word))
        req = urllib2.Request (url)
        req.add_header ('User-Agent', self.user_agent)
        try:
            result = json.load (urllib2.urlopen (req))
            if result:
                if strat.has_selector:
                    fltres = []
                    for k in result[1]:
                        if strat.select (k, key):
                            fltres.append (k)
                    if fltres.count > 0:
                        return ['match', sorted(fltres, key=unicode.lower)]
                else:
                    result[1].sort ()
                    return ['match', sorted(result[1], key=unicode.lower)]
            return False
        except urllib2.URLError:
            return False

    def output (self, rh, n):
        if rh[0] == 'define':
            try:
                print rh[1].encode ('utf_8'),
            except UnicodeDecodeError:
                print rh[1],
        else:
            list = rh[1]
            sys.stdout.softspace = 0
            try:
                print list[n].encode ('utf_8'),
            except UnicodeDecodeError:
                print list[n],
        return True

    def result_count (self, rh):
        if rh[0] == 'define':
            return 1
        else:
            return len (rh[1])

    def compare_count (self, rh):
        return 1

    def result_headers (self, rh, hdr):
        if dico.current_markup () != 'wiki':
            hdr['Content-Type'] = 'text/plain';
        elif '.wikipedia.org' in self.wikihost:
            hdr['Content-Type'] = 'text/x-wiki-wikipedia';
        elif '.wiktionary.org' in self.wikihost:
            hdr['Content-Type'] = 'text/x-wiki-wiktionary';
        else:
            hdr['Content-Type'] = 'text/x-wiki';
        return hdr

    def free_result (self, rh):
        pass

    def __htmlentitydecode (self, s):
        return re.sub ('&(%s);' % '|'.join (name2codepoint),
                       lambda m: unichr (name2codepoint[m.group (1)]), s)

Return to:

Send suggestions and report system problems to the System administrator.