Merge remote-tracking branch 'rzhxeo/crunchyroll'
[youtube-dl] / youtube_dl / utils.py
index 5ba06d965fdd0ca3ca2be9624948c359ce7c5bf5..2e48f187e665dad81caa663efdb9d0c33f088936 100644 (file)
@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
+import ctypes
 import datetime
 import email.utils
 import errno
@@ -15,6 +16,7 @@ import platform
 import re
 import ssl
 import socket
+import subprocess
 import sys
 import traceback
 import zlib
@@ -765,6 +767,10 @@ def unified_strdate(date_str):
             upload_date = datetime.datetime.strptime(date_str, expression).strftime('%Y%m%d')
         except:
             pass
+    if upload_date is None:
+        timetuple = email.utils.parsedate_tz(date_str)
+        if timetuple:
+            upload_date = datetime.datetime(*timetuple[:6]).strftime('%Y%m%d')
     return upload_date
 
 def determine_ext(url, default_ext=u'unknown_video'):
@@ -1024,6 +1030,71 @@ def format_bytes(bytes):
     converted = float(bytes) / float(1024 ** exponent)
     return u'%.2f%s' % (converted, suffix)
 
+
 def str_to_int(int_str):
     int_str = re.sub(r'[,\.]', u'', int_str)
     return int(int_str)
+
+
+def get_term_width():
+    columns = os.environ.get('COLUMNS', None)
+    if columns:
+        return int(columns)
+
+    try:
+        sp = subprocess.Popen(
+            ['stty', 'size'],
+            stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+        out, err = sp.communicate()
+        return int(out.split()[1])
+    except:
+        pass
+    return None
+
+
+def month_by_name(name):
+    """ Return the number of a month by (locale-independently) English name """
+
+    ENGLISH_NAMES = [
+        u'January', u'February', u'March', u'April', u'May', u'June',
+        u'July', u'August', u'September', u'October', u'November', u'December']
+    try:
+        return ENGLISH_NAMES.index(name) + 1
+    except ValueError:
+        return None
+
+
+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):
+    path = compat_urlparse.urlparse(url).path
+    return path.strip(u'/').split(u'/')[-1]
+
+
+class HEADRequest(compat_urllib_request.Request):
+    def get_method(self):
+        return "HEAD"