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[youtubedl] / youtube_dl / extractor / googleplus.py
1 # coding: utf-8
2
3 import datetime
4 import re
5
6 from .common import InfoExtractor
7 from ..utils import (
8 ExtractorError,
9 )
10
11
12 class GooglePlusIE(InfoExtractor):
13 IE_DESC = u'Google Plus'
14 _VALID_URL = r'(?:https://)?plus\.google\.com/(?:[^/]+/)*?posts/(\w+)'
15 IE_NAME = u'plus.google'
16 _TEST = {
17 u"url": u"https://plus.google.com/u/0/108897254135232129896/posts/ZButuJc6CtH",
18 u"file": u"ZButuJc6CtH.flv",
19 u"info_dict": {
20 u"upload_date": u"20120613",
21 u"uploader": u"井上ヨシマサ",
22 u"title": u"嘆きの天使 降臨"
23 }
24 }
25
26 def _real_extract(self, url):
27 # Extract id from URL
28 mobj = re.match(self._VALID_URL, url)
29 if mobj is None:
30 raise ExtractorError(u'Invalid URL: %s' % url)
31
32 post_url = mobj.group(0)
33 video_id = mobj.group(1)
34
35 video_extension = 'flv'
36
37 # Step 1, Retrieve post webpage to extract further information
38 webpage = self._download_webpage(post_url, video_id, u'Downloading entry webpage')
39
40 self.report_extraction(video_id)
41
42 # Extract update date
43 upload_date = self._html_search_regex(
44 r'''(?x)<a.+?class="o-U-s\s[^"]+"\s+style="display:\s*none"\s*>
45 ([0-9]{4}-[0-9]{2}-[0-9]{2})</a>''',
46 webpage, u'upload date', fatal=False, flags=re.VERBOSE)
47 if upload_date:
48 # Convert timestring to a format suitable for filename
49 upload_date = datetime.datetime.strptime(upload_date, "%Y-%m-%d")
50 upload_date = upload_date.strftime('%Y%m%d')
51
52 # Extract uploader
53 uploader = self._html_search_regex(r'rel\="author".*?>(.*?)</a>',
54 webpage, u'uploader', fatal=False)
55
56 # Extract title
57 # Get the first line for title
58 video_title = self._html_search_regex(r'<meta name\=\"Description\" content\=\"(.*?)[\n<"]',
59 webpage, 'title', default=u'NA')
60
61 # Step 2, Simulate clicking the image box to launch video
62 DOMAIN = 'https://plus.google.com/'
63 video_page = self._search_regex(r'<a href="((?:%s)?photos/.*?)"' % re.escape(DOMAIN),
64 webpage, u'video page URL')
65 if not video_page.startswith(DOMAIN):
66 video_page = DOMAIN + video_page
67
68 webpage = self._download_webpage(video_page, video_id, u'Downloading video page')
69
70 # Extract video links on video page
71 """Extract video links of all sizes"""
72 pattern = r'\d+,\d+,(\d+),"(http\://redirector\.googlevideo\.com.*?)"'
73 mobj = re.findall(pattern, webpage)
74 if len(mobj) == 0:
75 raise ExtractorError(u'Unable to extract video links')
76
77 # Sort in resolution
78 links = sorted(mobj)
79
80 # Choose the lowest of the sort, i.e. highest resolution
81 video_url = links[-1]
82 # Only get the url. The resolution part in the tuple has no use anymore
83 video_url = video_url[-1]
84 # Treat escaped \u0026 style hex
85 try:
86 video_url = video_url.decode("unicode_escape")
87 except AttributeError: # Python 3
88 video_url = bytes(video_url, 'ascii').decode('unicode-escape')
89
90
91 return [{
92 'id': video_id,
93 'url': video_url,
94 'uploader': uploader,
95 'upload_date': upload_date,
96 'title': video_title,
97 'ext': video_extension,
98 }]