Don't url escape filenames on download

notebook/base/handlers.py

@@ -478,7 +478,7 @@ class AuthenticatedFileHandler(IPythonHandler, web.StaticFileHandler):
     def get(self, path):
         if os.path.splitext(path)[1] == '.ipynb' or self.get_argument("download", False):
             name = path.rsplit('/', 1)[-1]
-            self.set_header('Content-Disposition','attachment; filename="%s"' % escape.url_escape(name))
+            self.set_header('Content-Disposition','attachment; filename="%s"' % name)
 
         return web.StaticFileHandler.get(self, path)
     

notebook/files/handlers.py

@@ -46,7 +46,7 @@ class FilesHandler(IPythonHandler):
         model = cm.get(path, type='file', content=include_body)
         
         if self.get_argument("download", False):
-            self.set_header('Content-Disposition','attachment; filename="%s"' % escape.url_escape(name))
+            self.set_header('Content-Disposition','attachment; filename="%s"' % name)
         
         # get mimetype from filename
         if name.endswith('.ipynb'):

notebook/nbconvert/handlers.py

@@ -39,7 +39,7 @@ def respond_zip(handler, name, output, resources):
     # Headers
     zip_filename = os.path.splitext(name)[0] + '.zip'
     handler.set_header('Content-Disposition',
-                       'attachment; filename="%s"' % escape.url_escape(zip_filename))
+                       'attachment; filename="%s"' % zip_filename)
     handler.set_header('Content-Type', 'application/zip')
 
     # Prepare the zip file
@@ -115,7 +115,7 @@ class NbconvertFileHandler(IPythonHandler):
         if self.get_argument('download', 'false').lower() == 'true':
             filename = os.path.splitext(name)[0] + resources['output_extension']
             self.set_header('Content-Disposition',
-                               'attachment; filename="%s"' % escape.url_escape(filename))
+                               'attachment; filename="%s"' % filename)
 
         # MIME type
         if exporter.output_mimetype: