Added exception handling for voting if the user isnt logged in.

rtv/page.py

@@ -1,6 +1,8 @@
 import curses
 
-from .utils import Color, Symbol
+import praw
+
+from .utils import Color, Symbol, display_message
 
 class Navigator(object):
     """
@@ -132,28 +134,32 @@ class BasePage(object):
     def upvote(self):
 
         data = self.content.get(self.nav.absolute_index)
-        if 'likes' not in data:
-            curses.flash()
-
-        elif data['likes']:
-            data['object'].clear_vote()
-            data['likes'] = None
-        else:
-            data['object'].upvote()
-            data['likes'] = True
+        try:
+            if 'likes' not in data:
+                pass
+            elif data['likes']:
+                data['object'].clear_vote()
+                data['likes'] = None
+            else:
+                data['object'].upvote()
+                data['likes'] = True
+        except praw.errors.LoginOrScopeRequired:
+            display_message(self.stdscr, ['Login to vote'])
 
     def downvote(self):
 
         data = self.content.get(self.nav.absolute_index)
-        if 'likes' not in data:
-            curses.flash()
-
-        if data['likes'] is False:
-            data['object'].clear_vote()
-            data['likes'] = None
-        else:
-            data['object'].downvote()
-            data['likes'] = False
+        try:
+            if 'likes' not in data:
+                pass
+            if data['likes'] is False:
+                data['object'].clear_vote()
+                data['likes'] = None
+            else:
+                data['object'].downvote()
+                data['likes'] = False
+        except praw.errors.LoginOrScopeRequired:
+            display_message(self.stdscr, ['Login to vote'])
 
     def draw(self):
 

rtv/utils.py

@@ -15,7 +15,8 @@ from .errors import EscapePressed
 HELP = """
 Global Commands
   `UP/DOWN` or `j/k`  : Scroll to the prev/next item
-  `r` or `F5`         : Refresh the current page
+  `a/z`               : Upvote/downvote the selected item
+  `r`                 : Refresh the current page
   `q`                 : Quit the program
   `o`                 : Open the selected item in the default web browser
   `?`                 : Show this help message
@@ -315,4 +316,4 @@ def curses_session():
             stdscr.keypad(0)
             curses.echo()
             curses.nocbreak()
-            curses.endwin()
+            curses.endwin()