Move Tornado-specific handlers to tornado directory

Author: davidbrochart

voila/app.py

@@ -75,8 +75,8 @@
     TemplateStaticFileHandler,
     WhiteListFileHandler,
 )
-from .tornado_handler import TornadoVoilaHandler
-from .tornado_treehandler import TornadoVoilaTreeHandler
+from .tornado.handler import TornadoVoilaHandler
+from .tornado.treehandler import TornadoVoilaTreeHandler
 from .utils import create_include_assets_functions
 from .voila_kernel_manager import voila_kernel_manager_factory
 

voila/server_extension.py

@@ -16,15 +16,15 @@
 from jupyterlab_server.themes_handler import ThemesHandler
 
 from .configuration import VoilaConfiguration
-from .tornado_handler import TornadoVoilaHandler
+from .tornado.handler import TornadoVoilaHandler
 from .paths import ROOT, collect_static_paths, collect_template_paths, jupyter_path
 from .shutdown_kernel_handler import VoilaShutdownKernelHandler
 from .static_file_handler import (
     MultiStaticFileHandler,
     TemplateStaticFileHandler,
     WhiteListFileHandler,
 )
-from .tornado_treehandler import TornadoVoilaTreeHandler
+from .tornado.treehandler import TornadoVoilaTreeHandler
 from .utils import get_server_root_dir
 
 

voila/tornado_handler.py renamed to voila/tornado/handler.py

@@ -8,7 +8,7 @@
 #############################################################################
 import tornado.web
 
-from .handler import VoilaHandler
+from ..handler import VoilaHandler
 
 
 class TornadoVoilaHandler(VoilaHandler):

voila/tornado_treehandler.py renamed to voila/tornado/treehandler.py

@@ -12,7 +12,7 @@
 from nbclient.util import ensure_async
 from tornado import web
 
-from .treehandler import VoilaTreeHandler
+from ..treehandler import VoilaTreeHandler
 from .utils import get_server_root_dir