X-Git-Url: http://git.cielonegro.org/gitweb.cgi?a=blobdiff_plain;f=youtube_dl%2Futils.py;h=83a274043388ed9acedf175ab6ebb7783e1fbfc6;hb=4a9c9b6fdba3782e6342d43769d5dd777797d640;hp=4c8bdbb0cc0bf2af14c2ec006307b8b2a2c7d65d;hpb=c3afc93a69fbfbe7712278f7ad03d0369ac9f885;p=youtube-dl.git

diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index 4c8bdbb0c..83a274043 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -1102,3 +1102,19 @@ class HEADRequest(compat_urllib_request.Request):
 
 def int_or_none(v):
     return v if v is None else int(v)
+
+
+def parse_duration(s):
+    if s is None:
+        return None
+
+    m = re.match(
+        r'(?:(?:(?P<hours>[0-9]+):)?(?P<mins>[0-9]+):)?(?P<secs>[0-9]+)$', s)
+    if not m:
+        return None
+    res = int(m.group('secs'))
+    if m.group('mins'):
+        res += int(m.group('mins')) * 60
+        if m.group('hours'):
+            res += int(m.group('hours')) * 60 * 60
+    return res