From 29eb5174031cfc0b5de556da3da7761ac377de4e Mon Sep 17 00:00:00 2001
From: Philipp Hagemeister <phihag@phihag.de>
Date: Tue, 17 Dec 2013 04:13:36 +0100
Subject: [PATCH] Add webpage_url_basename info_dict field (Fixes #1938)

---
 test/test_utils.py      | 25 ++++++++++++++++---------
 youtube_dl/YoutubeDL.py |  4 ++++
 youtube_dl/utils.py     |  7 +++++++
 3 files changed, 27 insertions(+), 9 deletions(-)

diff --git a/test/test_utils.py b/test/test_utils.py
index 0fa66beec..5f4fdb771 100644
--- a/test/test_utils.py
+++ b/test/test_utils.py
@@ -13,20 +13,21 @@
 
 #from youtube_dl.utils import htmlentity_transform
 from youtube_dl.utils import (
-    timeconvert,
-    sanitize_filename,
-    unescapeHTML,
-    orderedSet,
     DateRange,
-    unified_strdate,
+    encodeFilename,
     find_xpath_attr,
     get_meta_content,
-    xpath_with_ns,
-    smuggle_url,
-    unsmuggle_url,
+    orderedSet,
+    sanitize_filename,
     shell_quote,
-    encodeFilename,
+    smuggle_url,
     str_to_int,
+    timeconvert,
+    unescapeHTML,
+    unified_strdate,
+    unsmuggle_url,
+    url_basename,
+    xpath_with_ns,
 )
 
 if sys.version_info < (3, 0):
@@ -181,6 +182,12 @@ def test_str_to_int(self):
         self.assertEqual(str_to_int('123,456'), 123456)
         self.assertEqual(str_to_int('123.456'), 123456)
 
+    def test_url_basename(self):
+        self.assertEqual(url_basename(u'http://foo.de/'), u'')
+        self.assertEqual(url_basename(u'http://foo.de/bar/baz'), u'baz')
+        self.assertEqual(url_basename(u'http://foo.de/bar/baz?x=y'), u'baz')
+        self.assertEqual(url_basename(u'http://foo.de/bar/baz#x=y'), u'baz')
+        self.assertEqual(url_basename(u'http://foo.de/bar/baz/'), u'baz')
 
 if __name__ == '__main__':
     unittest.main()
diff --git a/youtube_dl/YoutubeDL.py b/youtube_dl/YoutubeDL.py
index b1f87415b..2a078adfb 100644
--- a/youtube_dl/YoutubeDL.py
+++ b/youtube_dl/YoutubeDL.py
@@ -47,6 +47,7 @@
     subtitles_filename,
     takewhile_inclusive,
     UnavailableVideoError,
+    url_basename,
     write_json_file,
     write_string,
     YoutubeDLHandler,
@@ -484,6 +485,7 @@ def extract_info(self, url, download=True, ie_key=None, extra_info={},
                     {
                         'extractor': ie.IE_NAME,
                         'webpage_url': url,
+                        'webpage_url_basename': url_basename(url),
                         'extractor_key': ie.ie_key(),
                     })
                 if process:
@@ -576,6 +578,7 @@ def make_result(embedded_info):
                     'playlist_index': i + playliststart,
                     'extractor': ie_result['extractor'],
                     'webpage_url': ie_result['webpage_url'],
+                    'webpage_url_basename': url_basename(ie_result['webpage_url']),
                     'extractor_key': ie_result['extractor_key'],
                 }
 
@@ -596,6 +599,7 @@ def _fixup(r):
                     {
                         'extractor': ie_result['extractor'],
                         'webpage_url': ie_result['webpage_url'],
+                        'webpage_url_basename': url_basename(ie_result['webpage_url']),
                         'extractor_key': ie_result['extractor_key'],
                     })
                 return r
diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index dbfac0f43..a249c7ec1 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -1084,3 +1084,10 @@ 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)