X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=youtube_dl%2Fcompat.py;h=c36c9c23ff633b82e837cc739e725e8e734f35fa;hb=13118a50b88c26fe5d932eccf77e297249a78634;hp=1ff42d94b95d9098cf270b883176bb2a06e54297;hpb=5495937f461268a850a6a54d3fe19ed1f0f01eef;p=youtube-dl

diff --git a/youtube_dl/compat.py b/youtube_dl/compat.py
index 1ff42d94b..c36c9c23f 100644
--- a/youtube_dl/compat.py
+++ b/youtube_dl/compat.py
@@ -416,7 +416,7 @@ if hasattr(shutil, 'get_terminal_size'):  # Python >= 3.3
 else:
     _terminal_size = collections.namedtuple('terminal_size', ['columns', 'lines'])
 
-    def compat_get_terminal_size():
+    def compat_get_terminal_size(fallback=(80, 24)):
         columns = compat_getenv('COLUMNS', None)
         if columns:
             columns = int(columns)
@@ -428,14 +428,20 @@ else:
         else:
             lines = None
 
-        try:
-            sp = subprocess.Popen(
-                ['stty', 'size'],
-                stdout=subprocess.PIPE, stderr=subprocess.PIPE)
-            out, err = sp.communicate()
-            lines, columns = map(int, out.split())
-        except Exception:
-            pass
+        if columns <= 0 or lines <= 0:
+            try:
+                sp = subprocess.Popen(
+                    ['stty', 'size'],
+                    stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+                out, err = sp.communicate()
+                _columns, _lines = map(int, out.split())
+            except Exception:
+                _columns, _lines = _terminal_size(*fallback)
+
+            if columns <= 0:
+                columns = _columns
+            if lines <= 0:
+                lines = _lines
         return _terminal_size(columns, lines)
 
 try: