MetaSearch: fix help link

Author: tomkralidis

python/plugins/MetaSearch/plugin.py

@@ -29,7 +29,7 @@
 from PyQt4.QtGui import QAction, QIcon
 
 from MetaSearch.dialogs.maindialog import MetaSearchDialog
-from MetaSearch.util import StaticContext, open_url
+from MetaSearch.util import get_help_url, open_url, StaticContext
 
 LOGGER = logging.getLogger('MetaSearch')
 
@@ -94,4 +94,4 @@ def run(self):
     def help(self):
         """open help in user's default web browser"""
 
-        open_url(self.context.metadata.get('general', 'homepage'))
+        open_url(get_help_url())

python/plugins/MetaSearch/util.py

@@ -36,9 +36,13 @@
 from pygments import highlight
 from pygments.lexers import XmlLexer
 from pygments.formatters import HtmlFormatter
+from PyQt4.QtCore import QSettings
 from PyQt4.QtGui import QMessageBox
 from PyQt4.uic import loadUiType
 
+from qgis.core import QGis
+
+
 LOGGER = logging.getLogger('MetaSearch')
 
 
@@ -121,6 +125,18 @@ def highlight_xml(context, xml):
     return template.render(css=css, body=body)
 
 
+def get_help_url():
+    """return QGIS MetaSearch help documentation link"""
+
+    locale_name = QSettings().value('locale/userLocale')[0:2]
+    version = QGis.QGIS_VERSION[:3]
+
+    path = '%s/%s/docs/user_manual/plugins/plugins_metasearch.html' % \
+            (version, locale_name)
+
+    return '/'.join(['http://docs.qgis.org', path])
+
+
 def open_url(url):
     """open URL in web browser"""