Merge pull request #2553 from anisse/master

[youtube-dl] / youtube_dl / utils.py

diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index 3cf29e63a36a9210fefbd2c64e46839fb9434017..68d590ba25f812ba96f0c97d81f932200059a155 100644 (file)
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -1,11 +1,13 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
+import calendar
 import contextlib
 import ctypes
 import datetime
 import email.utils
 import errno
+import getpass
 import gzip
 import itertools
 import io
@@ -500,13 +502,13 @@ def orderedSet(iterable):
             res.append(el)
     return res
 
+
 def unescapeHTML(s):
-    """
-    @param s a string
-    """
-    assert type(s) == type(u'')
+    if s is None:
+        return None
+    assert type(s) == compat_str
 
-    result = re.sub(u'(?u)&(.+?);', htmlentity_transform, s)
+    result = re.sub(r'(?u)&(.+?);', htmlentity_transform, s)
     return result
 
 
@@ -760,8 +762,37 @@ class YoutubeDLHandler(compat_urllib_request.HTTPHandler):
     https_response = http_response
 
 
+def parse_iso8601(date_str):
+    """ Return a UNIX timestamp from the given date """
+
+    if date_str is None:
+        return None
+
+    m = re.search(
+        r'Z$| ?(?P<sign>\+|-)(?P<hours>[0-9]{2}):?(?P<minutes>[0-9]{2})$',
+        date_str)
+    if not m:
+        timezone = datetime.timedelta()
+    else:
+        date_str = date_str[:-len(m.group(0))]
+        if not m.group('sign'):
+            timezone = datetime.timedelta()
+        else:
+            sign = 1 if m.group('sign') == '+' else -1
+            timezone = datetime.timedelta(
+                hours=sign * int(m.group('hours')),
+                minutes=sign * int(m.group('minutes')))
+
+    dt = datetime.datetime.strptime(date_str, '%Y-%m-%dT%H:%M:%S') - timezone
+    return calendar.timegm(dt.timetuple())
+
+
 def unified_strdate(date_str):
     """Return a string with the date in the format YYYYMMDD"""
+
+    if date_str is None:
+        return None
+
     upload_date = None
     #Replace commas
     date_str = date_str.replace(',', ' ')
@@ -1121,11 +1152,11 @@ def setproctitle(title):
         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')
+    title_bytes = title.encode('utf-8')
+    buf = ctypes.create_string_buffer(len(title_bytes))
+    buf.value = title_bytes
     try:
-        libc.prctl(15, ctypes.byref(buf), 0, 0, 0)
+        libc.prctl(15, buf, 0, 0, 0)
     except AttributeError:
         return  # Strange libc, just skip this
 
@@ -1279,3 +1310,21 @@ def parse_xml(s):
     parser = xml.etree.ElementTree.XMLParser(target=TreeBuilder())
     kwargs = {'parser': parser} if sys.version_info >= (2, 7) else {}
     return xml.etree.ElementTree.XML(s.encode('utf-8'), **kwargs)
+
+
+if sys.version_info < (3, 0) and sys.platform == 'win32':
+    def compat_getpass(prompt, *args, **kwargs):
+        if isinstance(prompt, compat_str):
+            prompt = prompt.encode(preferredencoding())
+        return getpass.getpass(prompt, *args, **kwargs)
+else:
+    compat_getpass = getpass.getpass
+
+
+US_RATINGS = {
+    'G': 0,
+    'PG': 10,
+    'PG-13': 13,
+    'R': 16,
+    'NC': 18,
+}