Add a mechanism for centralising JS translations, to avoid having to render many JS files with Jinja.

web/pgadmin/tools/__init__.py

@@ -9,7 +9,11 @@
 
 """A blueprint module container for keeping all submodule of type tool."""
 
+from flask import render_template, Response
+from flask import url_for
+from flask.ext.babel import get_translations
 from flask_babel import gettext
+
 from pgadmin.utils import PgAdminModule
 from pgadmin.utils.ajax import bad_request
 
@@ -17,8 +21,11 @@ MODULE_NAME = 'tools'
 
 class ToolsModule(PgAdminModule):
     def get_own_javascripts(self):
-        from flask import url_for
         return [{
+            'name': 'translations',
+            'path': url_for('tools.index') + "translations",
+            'when': None
+        },{
             'name': 'pgadmin-sqlfoldcode',
             'path': url_for(
                 'static',
@@ -49,3 +56,13 @@ blueprint = ToolsModule(MODULE_NAME, __name__)
 def index():
     """Calling tools index URL directly is not allowed."""
     return bad_request(gettext('This URL cannot be requested directly.'))
+
+@blueprint.route("/translations.js")
+def translations():
+    """Return a js file that will handle translations so Flask interpolation can be isolated"""
+    template = render_template("js/translations.js", translations=get_translations()._catalog)
+    return Response(
+        response=template,
+        status=200,
+        mimetype="application/javascript"
+    )

web/pgadmin/tools/templates/js/translations.js

@@ -0,0 +1,4 @@
+define(function () {
+  var translations = {{ translations|tojson }};
+  return translations;
+});