youtube-dl/youtube_dl/extractor/googleplus.py
2013-09-14 11:10:01 +02:00

97 lines
3.3 KiB
Python

# coding: utf-8
import datetime
import re
from .common import InfoExtractor
from ..utils import (
ExtractorError,
)
class GooglePlusIE(InfoExtractor):
IE_DESC = u'Google Plus'
_VALID_URL = r'(?:https://)?plus\.google\.com/(?:[^/]+/)*?posts/(\w+)'
IE_NAME = u'plus.google'
_TEST = {
u"url": u"https://plus.google.com/u/0/108897254135232129896/posts/ZButuJc6CtH",
u"file": u"ZButuJc6CtH.flv",
u"info_dict": {
u"upload_date": u"20120613",
u"uploader": u"井上ヨシマサ",
u"title": u"嘆きの天使 降臨"
}
}
def _real_extract(self, url):
# Extract id from URL
mobj = re.match(self._VALID_URL, url)
if mobj is None:
raise ExtractorError(u'Invalid URL: %s' % url)
post_url = mobj.group(0)
video_id = mobj.group(1)
video_extension = 'flv'
# Step 1, Retrieve post webpage to extract further information
webpage = self._download_webpage(post_url, video_id, u'Downloading entry webpage')
self.report_extraction(video_id)
# Extract update date
upload_date = self._html_search_regex(
['title="Timestamp">(.*?)</a>', r'<a.+?class="g-M.+?>(.+?)</a>'],
webpage, u'upload date', fatal=False)
if upload_date:
# Convert timestring to a format suitable for filename
upload_date = datetime.datetime.strptime(upload_date, "%Y-%m-%d")
upload_date = upload_date.strftime('%Y%m%d')
# Extract uploader
uploader = self._html_search_regex(r'rel\="author".*?>(.*?)</a>',
webpage, u'uploader', fatal=False)
# Extract title
# Get the first line for title
video_title = self._html_search_regex(r'<meta name\=\"Description\" content\=\"(.*?)[\n<"]',
webpage, 'title', default=u'NA')
# Step 2, Simulate clicking the image box to launch video
DOMAIN = 'https://plus.google.com/'
video_page = self._search_regex(r'<a href="((?:%s)?photos/.*?)"' % re.escape(DOMAIN),
webpage, u'video page URL')
if not video_page.startswith(DOMAIN):
video_page = DOMAIN + video_page
webpage = self._download_webpage(video_page, video_id, u'Downloading video page')
# Extract video links on video page
"""Extract video links of all sizes"""
pattern = r'\d+,\d+,(\d+),"(http\://redirector\.googlevideo\.com.*?)"'
mobj = re.findall(pattern, webpage)
if len(mobj) == 0:
raise ExtractorError(u'Unable to extract video links')
# Sort in resolution
links = sorted(mobj)
# Choose the lowest of the sort, i.e. highest resolution
video_url = links[-1]
# Only get the url. The resolution part in the tuple has no use anymore
video_url = video_url[-1]
# Treat escaped \u0026 style hex
try:
video_url = video_url.decode("unicode_escape")
except AttributeError: # Python 3
video_url = bytes(video_url, 'ascii').decode('unicode-escape')
return [{
'id': video_id,
'url': video_url,
'uploader': uploader,
'upload_date': upload_date,
'title': video_title,
'ext': video_extension,
}]