From 912b38b428e882c1ab79b6537b94b30e3e3c1def Mon Sep 17 00:00:00 2001
From: Philipp Hagemeister <phihag@phihag.de>
Date: Mon, 24 Mar 2014 01:40:09 +0100
Subject: [instagram] Fix info_dict key name

---
 youtube_dl/utils.py | 36 +++++++++++++++++++++++++++++++-----
 1 file changed, 31 insertions(+), 5 deletions(-)

(limited to 'youtube_dl/utils.py')

diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index 8b359cb77..68d590ba2 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
+import calendar
 import contextlib
 import ctypes
 import datetime
@@ -501,13 +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
 
 
@@ -761,6 +762,31 @@ 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"""
 
-- 
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