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[packtpub] fix extraction(closes #21268)

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master
Remita Amine 5 years ago
parent a6389abfd7
commit 25d71fb058
1 changed files with 51 additions and 60 deletions
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111
youtube_dl/extractor/packtpub.py
Unescape Escape View File

@ -5,26 +5,27 @@ import re
from .common import InfoExtractor
from ..compat import (
compat_str,
# compat_str,
compat_HTTPError,
)
from ..utils import (
clean_html,
ExtractorError,
remove_end,
# remove_end,
str_or_none,
strip_or_none,
unified_timestamp,
urljoin,
# urljoin,
)
class PacktPubBaseIE(InfoExtractor):
_PACKT_BASE = 'https://www.packtpub.com'
_MAPT_REST = '%s/mapt-rest' % _PACKT_BASE
# _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>\d+)/(?P<id>\d+)'
_VALID_URL = r'https?://(?:(?:www\.)?packtpub\.com/mapt|subscription\.packtpub\.com)/video/[^/]+/(?P<course_id>\d+)/(?P<chapter_id>\d+)/(?P<id>\d+)(?:/(?P<display_id>[^/?&#]+))?'
_TESTS = [{
'url': 'https://www.packtpub.com/mapt/video/web-development/9781787122215/20528/20530/Project+Intro',
@ -50,9 +51,9 @@ class PacktPubIE(PacktPubBaseIE):
return
try:
self._TOKEN = self._download_json(
self._MAPT_REST + '/users/tokens', None,
'https://services.packtpub.com/auth-v1/users/tokens', None,
'Downloading Authorization Token', data=json.dumps({
'email': username,
'username': username,
'password': password,
}).encode())['data']['access']
except ExtractorError as e:
@ -61,54 +62,40 @@ class PacktPubIE(PacktPubBaseIE):
raise ExtractorError(message, expected=True)
raise
def _handle_error(self, response):
if response.get('status') != 'success':
raise ExtractorError(
'% said: %s' % (self.IE_NAME, response['message']),
expected=True)
def _download_json(self, *args, **kwargs):
response = super(PacktPubIE, self)._download_json(*args, **kwargs)
self._handle_error(response)
return response
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
course_id, chapter_id, video_id = mobj.group(
'course_id', 'chapter_id', 'id')
course_id, chapter_id, video_id, display_id = re.match(self._VALID_URL, url).groups()
headers = {}
if self._TOKEN:
headers['Authorization'] = 'Bearer ' + self._TOKEN
video = self._download_json(
'%s/users/me/products/%s/chapters/%s/sections/%s'
% (self._MAPT_REST, course_id, chapter_id, video_id), video_id,
'Downloading JSON video', headers=headers)['data']
content = video.get('content')
if not content:
self.raise_login_required('This video is locked')
video_url = content['file']
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, compat_HTTPError) and e.cause.code == 400:
self.raise_login_required('This video is locked')
raise
metadata = self._download_json(
'%s/products/%s/chapters/%s/sections/%s/metadata'
% (self._MAPT_REST, course_id, chapter_id, video_id),
video_id)['data']
# 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'))
# 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': title,
'thumbnail': thumbnail,
'timestamp': timestamp,
'title': display_id or video_id, # title,
# 'thumbnail': thumbnail,
# 'timestamp': timestamp,
}
@ -119,6 +106,7 @@ class PacktPubCourseIE(PacktPubBaseIE):
'info_dict': {
'id': '9781787122215',
'title': 'Learn Nodejs by building 12 projects [Video]',
'description': 'md5:489da8d953f416e51927b60a1c7db0aa',
},
'playlist_count': 90,
}, {
@ -136,35 +124,38 @@ class PacktPubCourseIE(PacktPubBaseIE):
url, course_id = mobj.group('url', 'id')
course = self._download_json(
'%s/products/%s/metadata' % (self._MAPT_REST, course_id),
course_id)['data']
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['tableOfContents'], 1):
if chapter.get('type') != 'chapter':
continue
children = chapter.get('children')
if not isinstance(children, list):
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.get('id'),
'chapter_id': chapter_id,
}
for section in children:
if section.get('type') != 'section':
continue
section_url = section.get('seoUrl')
if not isinstance(section_url, compat_str):
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': urljoin(url + '/', section_url),
'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, course.get('title'))
return self.playlist_result(
entries, course_id, metadata.get('title'),
clean_html(metadata.get('about')))

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