Fixes for Emacs

- Do not try to use a pager if it explicitly disabled with PAGER='' in
  the environment.
- If terminal size is identified as (0, 0), fall back to default (80,
  25).

wlauto/utils/misc.py

@@ -523,9 +523,9 @@ def load_class(classpath):
 def get_pager():
     """Returns the name of the system pager program."""
     pager = os.getenv('PAGER')
-    if not pager:
+    if pager is None:
         pager = find_executable('less')
-    if not pager:
+    if pager is None:
         pager = find_executable('more')
     return pager
 

wlauto/utils/terminalsize.py

@@ -20,13 +20,12 @@ def get_terminal_size():
     if current_os == 'Windows':
         tuple_xy = _get_terminal_size_windows()
         if tuple_xy is None:
+            # needed for window's python in cygwin's xterm
             tuple_xy = _get_terminal_size_tput()
-            # needed for window's python in cygwin's xterm!
     if current_os in ['Linux', 'Darwin'] or current_os.startswith('CYGWIN'):
         tuple_xy = _get_terminal_size_linux()
-    if tuple_xy is None:
-        print "default"
-        tuple_xy = (80, 25)      # default value
+    if tuple_xy is None or tuple_xy == (0, 0):
+        tuple_xy = (80, 25)      # assume "standard" terminal
     return tuple_xy