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[Dicson] Handle non-Latin text and errors in google translate plugin. Fixes #5904

This commit is contained in:
Yann Leboulanger 2010-09-12 17:14:44 +02:00
parent 89d8147cc5
commit 896fe73945
1 changed files with 35 additions and 29 deletions
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60
plugins/google_translation/plugin.py
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@ -30,6 +30,7 @@ import re
import urllib2
import new
from pprint import pformat
from sys import getfilesystemencoding
from common import helpers
from common import gajim
@ -51,45 +52,49 @@ class GoogleTranslationPlugin(GajimPlugin):
def init(self):
self.config_dialog = None
#self.gui_extension_points = {}
self.config_default_values = {'from_lang' : (u'en', _(u'Language of text to be translated')),
'to_lang' : (u'fr', _(u'Language to which translation will be made')),
'user_agent' : (u'Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.12) Gecko/20080213 Firefox/2.0.0.11',
_(u'User Agent data to be used with urllib2 when connecting to Google Translate service'))}
self.config_default_values = {
'from_lang' :
(u'en', _(u'Language of text to be translated')),
'to_lang' :
(u'fr', _(u'Language to which translation will be made')),
'user_agent' :
(u'Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.12) '
'Gecko/20080213 Firefox/2.0.0.11',
_(u'User Agent data to be used with urllib2 '
'when connecting to Google Translate service'))}
#self.events_handlers = {}
self.events = [GoogleTranslateMessageReceivedEvent]
self.translated_text_re = \
re.compile(r'google.language.callbacks.id100\(\'22\',{"translatedText":"(?P<text>[^"]*)"}, 200, null, 200\)')
self.translated_text_re = re.compile(
r'google.language.callbacks.id100\(\'22\','
'{"translatedText":"(?P<text>[^"]*)"}, 200, null, 200\)')
@log_calls('GoogleTranslationPlugin')
def translate_text(self, text, from_lang, to_lang):
text = self.prepare_text_for_url(text)
# Converts text so it can be used within URL as query to Google
# Translate.
quoted_text = urllib2.quote(text.encode(getfilesystemencoding()))
# prepare url
headers = { 'User-Agent' : self.config['user_agent'] }
translation_url = u'http://www.google.com/uds/Gtranslate?callback=google.language.callbacks.id100&context=22&q=%(text)s&langpair=%(from_lang)s%%7C%(to_lang)s&key=notsupplied&v=1.0'%locals()
translation_url = u'http://www.google.com/uds/Gtranslate?callback='\
'google.language.callbacks.id100&context=22&q=%(quoted_text)s&'\
'langpair=%(from_lang)s%%7C%(to_lang)s&key=notsupplied&v=1.0' % \
locals()
request = urllib2.Request(translation_url, headers=headers)
response = urllib2.urlopen(request)
results = response.read()
try:
response = urllib2.urlopen(request)
except urllib2.URLError, e:
# print e
return text
results = response.read()
translated_text = self.translated_text_re.search(results).group('text')
if translated_text:
return translated_text
@log_calls('GoogleTranslationPlugin')
def prepare_text_for_url(self, text):
'''
Converts text so it can be used within URL as query to Google Translate.
'''
# There should be more replacements for plugin to work in any case:
char_replacements = { ' ' : '%20',
'+' : '%2B'}
for char, replacement in char_replacements.iteritems():
text = text.replace(char, replacement)
return text
@log_calls('GoogleTranslationPlugin')
@ -114,5 +119,6 @@ class GoogleTranslateMessageReceivedEvent(nec.NetworkIncomingEvent):
self.base_event.xmpp_msg.kids[0].setData(
self.plugin.translate_text(msg_text, from_lang, to_lang))
return False # We only want to modify old event, not emit another,
# so we return False here.
# We only want to modify old event, not emit another, so we return False
# here.
return False