[Translate-cvs] SF.net SVN: translate:[13705] src/trunk/virtaal/virtaal/plugins/tm/models/ microsoft_translator.py

[<wal...@us...>]

Revision: 13705
          http://translate.svn.sourceforge.net/translate/?rev=13705&view=rev
Author:   walter_l
Date:     2010-01-29 16:29:18 +0000 (Fri, 29 Jan 2010)

Log Message:
-----------
Added Microsoft Translator TM plug-in, written by Dwayne Bailey.

Added Paths:
-----------
    src/trunk/virtaal/virtaal/plugins/tm/models/microsoft_translator.py

Added: src/trunk/virtaal/virtaal/plugins/tm/models/microsoft_translator.py
===================================================================
--- src/trunk/virtaal/virtaal/plugins/tm/models/microsoft_translator.py	                        (rev 0)
+++ src/trunk/virtaal/virtaal/plugins/tm/models/microsoft_translator.py	2010-01-29 16:29:18 UTC (rev 13705)
@@ -0,0 +1,102 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+#
+# Copyright 2009 Zuza Software Foundation
+#
+# This file is part of Virtaal.
+#
+# 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 2 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/>.
+
+"""A TM provider that can query the web service for Micrsoft Translator
+Machine Translations."""
+
+import urllib
+
+from basetmmodel import BaseTMModel
+
+from virtaal.support.httpclient import HTTPClient, RESTRequest
+
+
+class TMModel(BaseTMModel):
+    """This is the translation memory model."""
+
+    __gtype_name__ = 'MicrosoftTranslatorTMModel'
+    display_name = _('Microsoft Translator')
+    description = _('Unreviewed machine translations from Microsoft Translator')
+
+    default_config = {
+        "url" : "http://api.microsofttranslator.com/V1/Http.svc",
+        "appid" : "7286B45B8C4816BDF75DC007C1952DDC11C646C1",
+    }
+
+    # INITIALISERS #
+    def __init__(self, internal_name, controller):
+        self.internal_name = internal_name
+        self.languages = []
+        self.load_config()
+
+        self.client = HTTPClient()
+        self.url_getlanguages = "%(url)s/GetLanguages?appId=%(appid)s" % {"url": self.config['url'], "appid": self.config["appid"]}
+        self.url_translate = "%(url)s/Translate" % {"url": self.config['url']}
+        self.appid = self.config['appid']
+        langreq = RESTRequest(self.url_getlanguages, '', method='GET', data=urllib.urlencode(''), headers=None)
+        self.client.add(langreq)
+        langreq.connect(
+            'http-success',
+            lambda langreq, response: self.got_languages(response)
+        )
+
+        super(TMModel, self).__init__(controller)
+
+
+    # METHODS #
+    def query(self, tmcontroller, query_str):
+        """Send the query to the web service. The response is handled by means
+        of a call-back because it happens asynchronously."""
+        if self.source_lang not in self.languages or self.target_lang not in self.languages:
+            return
+
+        if self.cache.has_key(query_str):
+            self.emit('match-found', query_str, self.cache[query_str])
+        else:
+            values = {
+                'appId': self.appid,
+                'text': query_str,
+                'from': self.source_lang,
+                'to': self.target_lang
+            }
+            req = RESTRequest(self.url_translate + "?" + urllib.urlencode(values), '', method='GET', \
+                    data=urllib.urlencode(''), headers=None)
+            self.client.add(req)
+            req.connect(
+                'http-success',
+                lambda req, response: self.got_translation(response, query_str)
+            )
+
+    def got_languages(self, val):
+        """Handle the response from the web service to set up language pairs."""
+        # Strip BOM via [1:] and split on DOS line endings
+        self.languages = [lang for lang in val.decode('utf-8')[1:].strip().split('\r\n')]
+
+    def got_translation(self, val, query_str):
+        """Handle the response from the web service now that it came in."""
+        match = {
+            'source': query_str,
+            'target': val,
+            #l10n: Try to keep this as short as possible. Feel free to transliterate in CJK languages for optimal vertical display.
+            'tmsource': _('Microsoft'),
+        }
+        self.cache[query_str] = [match]
+
+        self.emit('match-found', query_str, [match])


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