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import json
from .common import InfoExtractor
from ..networking.exceptions import HTTPError
from ..utils import (
ExtractorError,
clean_html,
# remove_end,
str_or_none,
strip_or_none,
unified_timestamp,
)
class PacktPubBaseIE(InfoExtractor):
# _PACKT_BASE = 'https://www.packtpub.com'
_STATIC_PRODUCTS_BASE = 'https://static.packt-cdn.com/products/'
class PacktPubIE(PacktPubBaseIE):
_VALID_URL = r'https?://(?:(?:www\.)?packtpub\.com/mapt|subscription\.packtpub\.com)/video/[^/]+/(?P<course_id>\d+)/(?P<chapter_id>[^/]+)/(?P<id>[^/]+)(?:/(?P<display_id>[^/?&#]+))?'
_TESTS = [{
'url': 'https://www.packtpub.com/mapt/video/web-development/9781787122215/20528/20530/Project+Intro',
'md5': '1e74bd6cfd45d7d07666f4684ef58f70',
'info_dict': {
'id': '20530',
'ext': 'mp4',
'title': 'Project Intro',
'thumbnail': r're:(?i)^https?://.*\.jpg',
'timestamp': 1490918400,
'upload_date': '20170331',
},
}, {
'url': 'https://subscription.packtpub.com/video/web_development/9781787122215/20528/20530/project-intro',
'only_matching': True,
}, {
'url': 'https://subscription.packtpub.com/video/programming/9781838988906/p1/video1_1/business-card-project',
'only_matching': True,
}]
_NETRC_MACHINE = 'packtpub'
_TOKEN = None
def _perform_login(self, username, password):
try:
self._TOKEN = self._download_json(
'https://services.packtpub.com/auth-v1/users/tokens', None,
'Downloading Authorization Token', data=json.dumps({
'username': username,
'password': password,
}).encode())['data']['access']
except ExtractorError as e:
if isinstance(e.cause, HTTPError) and e.cause.status in (400, 401, 404):
message = self._parse_json(e.cause.response.read().decode(), None)['message']
raise ExtractorError(message, expected=True)
raise
def _real_extract(self, url):
course_id, chapter_id, video_id, display_id = self._match_valid_url(url).groups()
headers = {}
if self._TOKEN:
headers['Authorization'] = 'Bearer ' + self._TOKEN
try:
video_url = self._download_json(
'https://services.packtpub.com/products-v1/products/%s/%s/%s' % (course_id, chapter_id, video_id), video_id,
'Downloading JSON video', headers=headers)['data']
except ExtractorError as e:
if isinstance(e.cause, HTTPError) and e.cause.status == 400:
self.raise_login_required('This video is locked')
raise
# TODO: find a better way to avoid duplicating course requests
# metadata = self._download_json(
# '%s/products/%s/chapters/%s/sections/%s/metadata'
# % (self._MAPT_REST, course_id, chapter_id, video_id),
# video_id)['data']
# title = metadata['pageTitle']
# course_title = metadata.get('title')
# if course_title:
# title = remove_end(title, ' - %s' % course_title)
# timestamp = unified_timestamp(metadata.get('publicationDate'))
# thumbnail = urljoin(self._PACKT_BASE, metadata.get('filepath'))
return {
'id': video_id,
'url': video_url,
'title': display_id or video_id, # title,
# 'thumbnail': thumbnail,
# 'timestamp': timestamp,
}
class PacktPubCourseIE(PacktPubBaseIE):
_VALID_URL = r'(?P<url>https?://(?:(?:www\.)?packtpub\.com/mapt|subscription\.packtpub\.com)/video/[^/]+/(?P<id>\d+))'
_TESTS = [{
'url': 'https://www.packtpub.com/mapt/video/web-development/9781787122215',
'info_dict': {
'id': '9781787122215',
'title': 'Learn Nodejs by building 12 projects [Video]',
'description': 'md5:489da8d953f416e51927b60a1c7db0aa',
},
'playlist_count': 90,
}, {
'url': 'https://subscription.packtpub.com/video/web_development/9781787122215',
'only_matching': True,
}]
@classmethod
def suitable(cls, url):
return False if PacktPubIE.suitable(url) else super(
PacktPubCourseIE, cls).suitable(url)
def _real_extract(self, url):
mobj = self._match_valid_url(url)
url, course_id = mobj.group('url', 'id')
course = self._download_json(
self._STATIC_PRODUCTS_BASE + '%s/toc' % course_id, course_id)
metadata = self._download_json(
self._STATIC_PRODUCTS_BASE + '%s/summary' % course_id,
course_id, fatal=False) or {}
entries = []
for chapter_num, chapter in enumerate(course['chapters'], 1):
chapter_id = str_or_none(chapter.get('id'))
sections = chapter.get('sections')
if not chapter_id or not isinstance(sections, list):
continue
chapter_info = {
'chapter': chapter.get('title'),
'chapter_number': chapter_num,
'chapter_id': chapter_id,
}
for section in sections:
section_id = str_or_none(section.get('id'))
if not section_id or section.get('contentType') != 'video':
continue
entry = {
'_type': 'url_transparent',
'url': '/'.join([url, chapter_id, section_id]),
'title': strip_or_none(section.get('title')),
'description': clean_html(section.get('summary')),
'thumbnail': metadata.get('coverImage'),
'timestamp': unified_timestamp(metadata.get('publicationDate')),
'ie_key': PacktPubIE.ie_key(),
}
entry.update(chapter_info)
entries.append(entry)
return self.playlist_result(
entries, course_id, metadata.get('title'),
clean_html(metadata.get('about')))
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