Only set title if DISPLAY is set, change os x behavior to check DISPLAY.

rtv/__main__.py

@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 
+import os
 import sys
 import locale
 import logging
@@ -29,13 +30,14 @@ _logger = logging.getLogger(__name__)
 
 
 def main():
-    "Main entry point"
+    """Main entry point"""
 
     # Squelch SSL warnings
     logging.captureWarnings(True)
     locale.setlocale(locale.LC_ALL, '')
 
     # Set the terminal title
+    if os.getenv('DISPLAY'):
         title = 'rtv {0}'.format(__version__)
         sys.stdout.write('\x1b]2;{0}\x07'.format(title))
         sys.stdout.flush()
@@ -79,6 +81,14 @@ def main():
             filename=config['log'],
             format='%(asctime)s:%(levelname)s:%(filename)s:%(lineno)d:%(message)s')
         _logger.info('Starting new session, RTV v%s', __version__)
+        env = [
+            ('$DISPLAY', os.getenv('DISPLAY')),
+            ('$XDG_CONFIG_HOME', os.getenv('XDG_CONFIG_HOME')),
+            ('$BROWSER', os.getenv('BROWSER')),
+            ('$PAGER', os.getenv('PAGER')),
+            ('$RTV_EDITOR', os.getenv('RTV_EDITOR')),
+            ('$RTV_URLVIEWER', os.getenv('RTV_URLVIEWER'))]
+        _logger.info('Environment: %s', env)
     else:
         # Add an empty handler so the logger doesn't complain
         logging.root.addHandler(logging.NullHandler())

rtv/page.py

@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 
+import os
 import sys
 import time
 import curses
@@ -233,7 +234,6 @@ class Page(object):
             else:
                 raise TemporaryFileError()
 
-
     @PageController.register(Command('INBOX'))
     @logged_in
     def get_inbox(self):
@@ -291,6 +291,7 @@ class Page(object):
         else:
             title = sub_name
 
+        if os.getenv('DISPLAY'):
             title += ' - rtv {0}'.format(__version__)
             sys.stdout.write('\x1b]2;{0}\x07'.format(title))
             sys.stdout.flush()

rtv/terminal.py

@@ -99,7 +99,14 @@ class Terminal(object):
         if self._display is None:
             if sys.platform == 'darwin':
                 # OSX doesn't always set DISPLAY so we can't use this to check
-                display = True
+                # Note: Disabling for now, with the hope that if this
+                # is a widespread issue then people will complain and we can
+                # come up with a better solution. Checking for $DISPLAY is
+                # used extensively in mailcap files, so it really *should* be
+                # set properly. I don't have a mac anymore so I can't test.
+
+                #  display = True
+                display = bool(os.environ.get("DISPLAY"))
             else:
                 display = bool(os.environ.get("DISPLAY"))