Navigation works!

main.py

@@ -9,16 +9,18 @@ import urwid
 
 import secrets
 from ui.auth import AuthPrompt
-from ui.palette import palette
+from ui.constants import palette
+from ui.ui import Ui, loading
+
+from asana_service import AsanaService
 
 class NotAuthedException(Exception):
     def __init__(self):
         super(NotAuthedException, self)
 
 class CmdAsana(object):
-    """The main urwid loop
-    """
     loop = None
+    nav_stack = []
 
     """Try to get an Asana client using stored tokens
 
@@ -37,6 +39,10 @@ class CmdAsana(object):
                 token=token,
                 token_updater=self.save_token,
                 auto_refresh_url=AsanaOAuth2Session.token_url,
+                auto_refresh_kwargs={
+                    'client_id': secrets.CLIENT_ID,
+                    'client_secret': secrets.CLIENT_SECRET
+                }
             )
         except IOError:
             raise NotAuthedException()
@@ -48,6 +54,10 @@ class CmdAsana(object):
             redirect_uri='urn:ietf:wg:oauth:2.0:oob',
             token_updater=self.save_token,
             auto_refresh_url=AsanaOAuth2Session.token_url,
+            auto_refresh_kwargs={
+                'client_id': secrets.CLIENT_ID,
+                'client_secret': secrets.CLIENT_SECRET
+            }
         )
         (url, _) = self.client.session.authorization_url()
         auth = AuthPrompt(url, self.auth_callback)
@@ -74,9 +84,31 @@ class CmdAsana(object):
     def exit_handler(self, key):
         if key in ('q', 'Q', 'esc'):
             raise urwid.ExitMainLoop()
+        print(key)
+        if key in ('backspace'):
+            self.ui.go_back()
+
+    def get_asana_service(self):
+        self.asana_service = AsanaService(self.client)
+
+    def get_ui(self):
+        self.ui = Ui(self.asana_service, self.update)
 
     def run(self):
-        print("Running...", self.client.users.me())
+        self.placeholder = urwid.WidgetPlaceholder(loading())
+        self.loop = urwid.MainLoop(
+            self.placeholder,
+            unhandled_input=self.exit_handler,
+            palette=palette
+        )
+        self.ui.my_tasks()
+
+    def update(self, widget):
+        self.loop.widget.original_widget = widget
+        try:
+            self.loop.draw_screen()
+        except Exception:
+            self.loop.run()
 
     def save_token(self, token):
         f = open('.oauth', 'w')
@@ -91,6 +123,9 @@ def main():
     except NotAuthedException:
         cmd_asana.authorize()
 
+    cmd_asana.get_asana_service()
+    cmd_asana.get_ui()
+
     cmd_asana.run()
 
 if __name__ == "__main__":