Handle notebook downloads through the /files URL.

IPython/html/base/handlers.py

@@ -268,6 +268,10 class AuthenticatedFileHandler(IPythonHandler, web.StaticFileHandler):
 
     @web.authenticated
     def get(self, path):
+        if os.path.splitext(path)[1] == '.ipynb':
+            name = os.path.basename(path)
+            self.set_header('Content-Type', 'application/json')
+            self.set_header('Content-Disposition','attachment; filename="%s"' % name)
         return web.StaticFileHandler.get(self, path)
 
 
@@ -399,11 +403,6 class FileFindHandler(web.StaticFileHandler):
                 self.set_status(304)
                 return
         
-        if os.path.splitext(path)[1] == '.ipynb':
-            name = os.path.basename(path)
-            self.set_header('Content-Type', 'application/json')
-            self.set_header('Content-Disposition','attachment; filename="%s"' % name)
-
         with open(abspath, "rb") as file:
             data = file.read()
             hasher = hashlib.sha1()

IPython/html/services/notebooks/handlers.py

@@ -64,19 +64,7 class NotebookHandler(IPythonHandler):
         # get and return notebook representation
         model = nbm.get_notebook_model(name, path)
         self.set_header(u'Last-Modified', model[u'last_modified'])
-        
-        if self.get_argument('download', default='False') == 'True':
-            format = self.get_argument('format', default='json')
-            if format != u'json':
-                self.set_header('Content-Type', 'application/json')
-                raise web.HTTPError(400, "Unrecognized format: %s" % format)
-
-            self.set_header('Content-Disposition',
-                'attachment; filename="%s"' % name
-            )
-            self.finish(json.dumps(model['content'], default=date_default))
-        else:
-            self.finish(json.dumps(model, default=date_default))
+        self.finish(json.dumps(model, default=date_default))
 
     @web.authenticated
     @json_errors

IPython/html/static/notebook/js/menubar.js

@@ -95,9 +95,9 var IPython = (function (IPython) {
             
             var url = utils.url_path_join(
                 that.baseProjectUrl(),
-                'api/notebooks',
+                'files',
                 that.notebookPath(),
-                notebook_name + '.ipynb?format=json&download=True'
+                notebook_name + '.ipynb'
             );
             window.location.assign(url);
         });