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# encoding: utf-8
from __future__ import unicode_literals
import re
import json
from .common import InfoExtractor
from .brightcove import BrightcoveIE
from ..compat import (
compat_urllib_parse,
compat_urllib_request,
)
from ..utils import (
ExtractorError,
smuggle_url,
std_headers,
)
class SafariBaseIE(InfoExtractor):
_LOGIN_URL = 'https://www.safaribooksonline.com/accounts/login/'
_SUCCESSFUL_LOGIN_REGEX = r'<a href="/accounts/logout/"[^>]+>Sign Out</a>'
_ACCOUNT_CREDENTIALS_HINT = ('Use --username and --password options to '
'supply credentials for safaribooksonline.com ')
_NETRC_MACHINE = 'safaribooksonline'
LOGGED_IN = False
def _real_initialize(self):
# We only need to log in once for courses or individual videos
if not SafariBaseIE.LOGGED_IN:
self._login()
SafariBaseIE.LOGGED_IN = True
def _login(self):
(username, password) = self._get_login_info()
if username is None:
raise ExtractorError(
self._ACCOUNT_CREDENTIALS_HINT,
expected=True)
headers = std_headers
if 'Referer' not in headers:
headers['Referer'] = self._LOGIN_URL
login_page = self._download_webpage(
self._LOGIN_URL, None,
'Downloading login form')
csrf = self._html_search_regex(
r"<input +type='hidden' +name='csrfmiddlewaretoken' +value='([^']+)' +/>",
login_page, 'csrf token')
login_form = {
'csrfmiddlewaretoken': csrf,
'email': username,
'password1': password,
'login': 'Sign In',
'next': '',
}
request = compat_urllib_request.Request(
self._LOGIN_URL, compat_urllib_parse.urlencode(login_form), headers=headers)
login_page = self._download_webpage(
request, None, 'Logging in as %s' % username)
if re.search(self._SUCCESSFUL_LOGIN_REGEX, login_page) is None:
raise ExtractorError('Login failed; make sure your credentials are correct and '
'try again.', expected=True)
self.to_screen('Login successful')
class SafariIE(SafariBaseIE):
IE_NAME = 'safari'
IE_DESC = 'safaribooksonline.com online video'
_VALID_URL = (r'https?://(?:www\.)?safaribooksonline\.com/library/view/[^/]+/'
'(?P<id>\d+)/(?P<part>part\d+)\.html')
_TEST = {
'url': ('https://www.safaribooksonline.com/library/view/'
'hadoop-fundamentals-livelessons/9780133392838/part00.html'),
'md5': '5b0c4cc1b3c1ba15dda7344085aa5592',
'info_dict': {
'id': '9780133392838',
'ext': 'mp4',
'title': 'Introduction',
}
}
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
part = mobj.group('part')
webpage = self._download_webpage(url, part)
bc_url = BrightcoveIE._extract_brightcove_url(webpage)
if not bc_url:
raise ExtractorError('Could not extract Brightcove URL from %s' % url, expected=True)
return {
'_type': 'url',
'url': smuggle_url(bc_url, {'Referer': url}),
'ie_key': 'Brightcove'
}
class SafariCourseIE(SafariBaseIE):
IE_NAME = 'safari:course'
IE_DESC = 'safaribooksonline.com online courses'
_VALID_URL = (r'https?://(?:www\.)?safaribooksonline\.com/library/view/'
'(?P<course_path>[^/]+)/(?P<id>\d+)/?$')
_API_BASE = 'https://www.safaribooksonline.com/api/v1/book'
_API_FORMAT = 'json'
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
course_path = mobj.group('course_path')
course_id = mobj.group('id')
webpage = self._download_webpage(
'%s/%s/?override_format=%s' % (self._API_BASE, course_id, self._API_FORMAT),
course_path, 'Downloading course JSON')
course_json = json.loads(webpage)
if 'chapters' not in course_json:
raise ExtractorError('No chapters found for course %s' % course_id, expected=True)
num_parts = len(course_json['chapters'])
parts = ['%02d' % part for part in range(num_parts)]
entries = [
self.url_result(
'https://www.safaribooksonline.com/library/view/%s/%s/part%s.html' % (course_path,
course_id,
part_id),
'Safari')
for part_id in parts]
course_title = course_json['title']
return self.playlist_result(entries, course_id, course_title)
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