Added ability to open submissions from the subreddit prompt.

rtv/docs.py

@@ -66,6 +66,8 @@ https://github.com/michael-lazar/rtv
   - /r/python/new                (sort)
   - /r/python/controversial-year (sort and order)
   - /r/python+linux              (multireddit)
+  - /r/python/comments/30rwj2    (submission comments)
+  - /comments/30rwj2             (submission comments shorthand)
   - /r/front                     (front page)
   - /u/me                        (your submissions)
   - /u/saved                     (your saved posts)

rtv/subreddit_page.py

@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 
+import re
 import time
 import curses
 
@@ -74,7 +75,20 @@ class SubredditPage(Page):
 
         name = self.term.prompt_input('Enter page: /')
         if name is not None:
-            self.refresh_content(order='ignore', name=name)
+            # Check if opening a submission url or a subreddit url
+            # Example patterns for submissions:
+            #     comments/571dw3
+            #     /comments/571dw3
+            #     /r/pics/comments/571dw3/
+            #     https://www.reddit.com/r/pics/comments/571dw3/at_disneyland
+            submission_pattern = re.compile(r'(^|/)comments/(?P<id>.+?)($|/)')
+
+            match = submission_pattern.search(name)
+            if match:
+                submission_url = 'https://www.reddit.com/comments/{0}'
+                self.open_submission(submission_url.format(match.group('id')))
+            else:
+                self.refresh_content(order='ignore', name=name)
 
     @SubredditController.register(Command('SUBREDDIT_FRONTPAGE'))
     def show_frontpage(self):
@@ -95,7 +109,9 @@ class SubredditPage(Page):
 
     @SubredditController.register(Command('SUBREDDIT_OPEN'))
     def open_submission(self, url=None):
-        "Select the current submission to view posts"
+        """
+        Select the current submission to view posts.
+        """
 
         data = {}
         if url is None: