[utils] Fix url_basename

[youtube-dl] / youtube_dl / utils.py

diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index 4e8a84a56a5b717db73e986c91c2621920fcba47..2d12e2df93f6f1e885600e49f0eb6f587494e19f 100644 (file)
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
+import ctypes
 import datetime
 import email.utils
 import errno
@@ -1062,3 +1063,31 @@ def month_by_name(name):
 def fix_xml_all_ampersand(xml_str):
     """Replace all the '&' by '&' in XML"""
     return xml_str.replace(u'&', u'&')
+
+
+def setproctitle(title):
+    assert isinstance(title, type(u''))
+    try:
+        libc = ctypes.cdll.LoadLibrary("libc.so.6")
+    except OSError:
+        return
+    title = title
+    buf = ctypes.create_string_buffer(len(title) + 1)
+    buf.value = title.encode('utf-8')
+    try:
+        libc.prctl(15, ctypes.byref(buf), 0, 0, 0)
+    except AttributeError:
+        return  # Strange libc, just skip this
+
+
+def remove_start(s, start):
+    if s.startswith(start):
+        return s[len(start):]
+    return s
+
+
+def url_basename(url):
+    m = re.match(r'(?:https?:|)//[^/]+/(?:[^?#]+/)?([^/?#]+)/?(?:[?#]|$)', url)
+    if not m:
+        return u''
+    return m.group(1)