[kupfer: 1/13] plugin.google_translate: add first version.

[Ulrik Sverdrup <usverdrup src gnome org>]

commit 9a1192d5e4bb76df77b4704459dd43f075392e1d
Author: Karol BÄ?dkowski <karol bedkowsk+gh gmail com>
Date:   Thu Oct 29 13:11:24 2009 +0100

    plugin.google_translate: add first version.

 kupfer/plugin/google_translate.py |  128 +++++++++++++++++++++++++++++++++++++
 1 files changed, 128 insertions(+), 0 deletions(-)
---
diff --git a/kupfer/plugin/google_translate.py b/kupfer/plugin/google_translate.py
new file mode 100644
index 0000000..d7ad2b6
--- /dev/null
+++ b/kupfer/plugin/google_translate.py
@@ -0,0 +1,128 @@
+# -*- coding: UTF-8 -*-
+from kupfer.objects import Source, Action, TextLeaf, Leaf
+from kupfer import utils
+
+__kupfer_name__ = _("Google Translate")
+__kupfer_actions__ = ("Translate", )
+__description__ = _("Translate text in Google Translate")
+__version__ = ""
+__author__ = "Karol BÄ?dkowski <karol bedkowski gmail com>"
+
+import httplib
+import urllib
+from urlparse import urlparse
+
+_GOOGLE_TRANSLATE_URL = 'http://translate.google.com/translate_a/t'
+_GOOGLE_TRANS_LANG_URL = 'http://translate.google.com/translate_t'
+_HEADERS = {
+		'Host':'translate.google.com',
+		'User-Agent':'Mozilla/5.0',
+		'Accept':'text/xml,application/xml,application/xhtml+xml,text/html',
+		'Referer':'http://translate.google.com/translate_t',
+		'Content-Type':'application/x-www-form-urlencoded'}
+
+def _translate(text, lang):
+	params = {'sl': 'auto', 'tl': lang, 'text': text, 'client': 't'}
+	url = urlparse(_GOOGLE_TRANSLATE_URL)
+	try:
+		conn = httplib.HTTPConnection(url[1])
+		conn.request("POST", url[2], urllib.urlencode(params), _HEADERS)
+		resp = conn.getresponse()
+	except Exception, err:
+		return _("Error connecting to Google Translate")
+
+	header = resp.getheader("Content-Type")
+	charset= header[header.index("charset=")+8:]
+	if resp.status == 200:
+		data = resp.read().decode(charset)
+		if data[0] == "[":
+			data = data.strip('[]').split(',')
+			return data[0].strip('"')
+		else: 
+			return data.strip('"')
+	else:
+		return _("Error")
+
+
+def _languages():
+	url = urlparse(_GOOGLE_TRANS_LANG_URL)
+	data = {}
+	try:
+		conn = httplib.HTTPConnection(url[1])
+		conn.request("GET", url[2])
+		resp = conn.getresponse()
+	except Exception, err:
+		return
+
+	if resp.status == 200:
+		result = resp.read()
+		result = result[result.index('select name=tl'):]
+		result = result[result.index("<option"):result.index("</select>")]
+		rows = result.split("</option>")
+		for row in rows:
+			if row:
+				yield (row[row.index('"')+1:row.rindex('"')], 
+					row[row.index('>')+1:])
+
+
+class Translate (Action):
+	def __init__(self):
+		Action.__init__(self, _("Translate"))
+
+	def activate(self, leaf, iobj):
+		text = unicode(leaf.object)
+		dest_lang = iobj.object
+		return _TransateQuerySource(text, dest_lang)
+
+	def is_factory(self):
+		return True
+
+	def item_types(self):
+		yield TextLeaf
+	
+	def valid_for_item(self, leaf):
+		return len(leaf.object.strip()) > 0
+	
+	def get_description(self):
+		return _("Use Google Translate")
+
+	def get_icon_name(self):
+		return "accessories-dictionary"
+
+	def requires_object(self):
+		return True
+
+	def object_types(self):
+		yield _Language
+	
+	def object_source(self, for_item=None):
+		return _LangSource()
+
+
+class _TransateQuerySource(Source):
+	def __init__(self, text, lang):
+		Source.__init__(self, name=_("Translate for %s") % text)
+		self._text = text
+		self._lang = lang
+
+	def is_dynamic(self):
+		return True
+	
+	def get_items(self):
+		yield TextLeaf(_translate(self._text, self._lang))
+
+
+class _Language(Leaf):
+	pass
+
+
+class _LangSource(Source):
+	def __init__(self):
+		Source.__init__(self, _("Languages"))
+
+	def get_items(self):
+		for key, name in _languages():
+			yield _Language(key, _("Translate to %s") % name)
+
+	def provides(self):
+		yield _Language