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[youtubedl] / youtube_dl / extractor / googleplus.py
1 import datetime
2 import re
3
4 from .common import InfoExtractor
5 from ..utils import (
6 ExtractorError,
7 )
8
9
10 class GooglePlusIE(InfoExtractor):
11 """Information extractor for plus.google.com."""
12
13 _VALID_URL = r'(?:https://)?plus\.google\.com/(?:[^/]+/)*?posts/(\w+)'
14 IE_NAME = u'plus.google'
15
16 def _real_extract(self, url):
17 # Extract id from URL
18 mobj = re.match(self._VALID_URL, url)
19 if mobj is None:
20 raise ExtractorError(u'Invalid URL: %s' % url)
21
22 post_url = mobj.group(0)
23 video_id = mobj.group(1)
24
25 video_extension = 'flv'
26
27 # Step 1, Retrieve post webpage to extract further information
28 webpage = self._download_webpage(post_url, video_id, u'Downloading entry webpage')
29
30 self.report_extraction(video_id)
31
32 # Extract update date
33 upload_date = self._html_search_regex('title="Timestamp">(.*?)</a>',
34 webpage, u'upload date', fatal=False)
35 if upload_date:
36 # Convert timestring to a format suitable for filename
37 upload_date = datetime.datetime.strptime(upload_date, "%Y-%m-%d")
38 upload_date = upload_date.strftime('%Y%m%d')
39
40 # Extract uploader
41 uploader = self._html_search_regex(r'rel\="author".*?>(.*?)</a>',
42 webpage, u'uploader', fatal=False)
43
44 # Extract title
45 # Get the first line for title
46 video_title = self._html_search_regex(r'<meta name\=\"Description\" content\=\"(.*?)[\n<"]',
47 webpage, 'title', default=u'NA')
48
49 # Step 2, Simulate clicking the image box to launch video
50 DOMAIN = 'https://plus.google.com'
51 video_page = self._search_regex(r'<a href="((?:%s)?/photos/.*?)"' % re.escape(DOMAIN),
52 webpage, u'video page URL')
53 if not video_page.startswith(DOMAIN):
54 video_page = DOMAIN + video_page
55
56 webpage = self._download_webpage(video_page, video_id, u'Downloading video page')
57
58 # Extract video links on video page
59 """Extract video links of all sizes"""
60 pattern = r'\d+,\d+,(\d+),"(http\://redirector\.googlevideo\.com.*?)"'
61 mobj = re.findall(pattern, webpage)
62 if len(mobj) == 0:
63 raise ExtractorError(u'Unable to extract video links')
64
65 # Sort in resolution
66 links = sorted(mobj)
67
68 # Choose the lowest of the sort, i.e. highest resolution
69 video_url = links[-1]
70 # Only get the url. The resolution part in the tuple has no use anymore
71 video_url = video_url[-1]
72 # Treat escaped \u0026 style hex
73 try:
74 video_url = video_url.decode("unicode_escape")
75 except AttributeError: # Python 3
76 video_url = bytes(video_url, 'ascii').decode('unicode-escape')
77
78
79 return [{
80 'id': video_id,
81 'url': video_url,
82 'uploader': uploader,
83 'upload_date': upload_date,
84 'title': video_title,
85 'ext': video_extension,
86 }]