Improved config error reporting.

rtv/__main__.py

@@ -14,6 +14,7 @@ from .oauth import OAuthHelper
 from .terminal import Terminal
 from .objects import curses_session
 from .subreddit import SubredditPage
+from .exceptions import ConfigError
 from .__version__ import __version__
 
 
@@ -106,6 +107,9 @@ def main():
             # Launch the subreddit page
             page.loop()
 
+    except ConfigError as e:
+        _logger.exception(e)
+        print(e)
     except Exception as e:
         _logger.exception(e)
         raise

rtv/exceptions.py

@@ -6,18 +6,14 @@ class EscapeInterrupt(Exception):
     "Signal that the ESC key has been pressed"
 
 
+class ConfigError(Exception):
+    "There was a problem with the configuration"
+
+
 class RTVError(Exception):
     "Base RTV error class"
 
 
-class KeystringError(RTVError):
-    "Unable to parse key string"
-
-
-class ConfigError(RTVError):
-    "There was a problem with the configuration"
-
-
 class AccountError(RTVError):
     "Could not access user account"
 

rtv/page.py

@@ -39,7 +39,6 @@ class Page(object):
         self.oauth = oauth
         self.content = None
         self.nav = None
-        self.controller = None
 
         self.active = True
         self._row = 0

rtv/rtv.cfg

@@ -55,12 +55,12 @@ oauth_scope = edit,history,identity,mysubreddits,privatemessages,read,report,sav
 ##############
 # Key Bindings
 ##############
-; Multiple keys that represent the same command should be listed as a comma
-; seperated list. The a mixture of the following notations should be used to
-; describe keys.
+; If you would like to define custom bindings, copy this section into your
+; config file with the [bindings] heading. All commands must be bound to at
+; least one key for the config to be valid. 
 ;
 ; 1.) Plain keys can be represented by either uppercase/lowercase characters
-;     or the hexadecimal codes referring their ascii codes. For reference, see
+;     or the hexadecimal numbers referring their ascii codes. For reference, see
 ;     https://en.wikipedia.org/wiki/ASCII#ASCII_printable_code_chart
 ;         e.g. Q, q, 1, ?
 ;         e.g. 0x20 (space), 0x3c (less-than sign)
@@ -77,8 +77,9 @@ oauth_scope = edit,history,identity,mysubreddits,privatemessages,read,report,sav
 ; Notes:
 ; - Curses <KEY_ENTER> is unreliable and should always be used in conjunction
 ;   with <LF>.
+; - Use 0x20 for the space key
 
-; General keys
+; Base page
 EXIT = q 
 FORCE_EXIT = Q
 HELP = ?

rtv/submission.py

@@ -17,14 +17,13 @@ class SubmissionController(PageController):
 class SubmissionPage(Page):
 
     def __init__(self, reddit, term, config, oauth, url=None, submission=None):
-        super(SubmissionPage, self).__init__(reddit, term, config, oauth)
+        self.controller = SubmissionController(self, keymap=config.keymap)
 
+        super(SubmissionPage, self).__init__(reddit, term, config, oauth)
         if url:
             self.content = SubmissionContent.from_url(reddit, url, term.loader)
         else:
             self.content = SubmissionContent(submission, term.loader)
-
-        self.controller = SubmissionController(self, keymap=config.keymap)
         # Start at the submission post, which is indexed as -1
         self.nav = Navigator(self.content.get, page_index=-1)
 

rtv/subreddit.py

@@ -10,7 +10,6 @@ from .page import Page, PageController, logged_in
 from .objects import Navigator, Color, Command
 from .submission import SubmissionPage
 from .subscription import SubscriptionPage
-from .terminal import Terminal
 
 
 class SubredditController(PageController):
@@ -25,10 +24,10 @@ class SubredditPage(Page):
             name (string): Name of subreddit to open
             url (string): Optional submission to load upon start
         """
-        super(SubredditPage, self).__init__(reddit, term, config, oauth)
-
-        self.content = SubredditContent.from_name(reddit, name, term.loader)
         self.controller = SubredditController(self, keymap=config.keymap)
+
+        super(SubredditPage, self).__init__(reddit, term, config, oauth)
+        self.content = SubredditContent.from_name(reddit, name, term.loader)
         self.nav = Navigator(self.content.get)
 
     @SubredditController.register(Command('REFRESH'))

rtv/subscription.py

@@ -15,10 +15,10 @@ class SubscriptionController(PageController):
 class SubscriptionPage(Page):
 
     def __init__(self, reddit, term, config, oauth):
-        super(SubscriptionPage, self).__init__(reddit, term, config, oauth)
-
-        self.content = SubscriptionContent.from_user(reddit, term.loader)
         self.controller = SubscriptionController(self, keymap=config.keymap)
+
+        super(SubscriptionPage, self).__init__(reddit, term, config, oauth)
+        self.content = SubscriptionContent.from_user(reddit, term.loader)
         self.nav = Navigator(self.content.get)
         self.subreddit_data = None