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from __future__ import unicode_literals
import json
import re
from .common import InfoExtractor
from ..compat import (
compat_str,
compat_HTTPError,
)
from ..utils import (
clean_html,
ExtractorError,
remove_end,
strip_or_none,
unified_timestamp,
urljoin,
)
class PacktPubBaseIE(InfoExtractor):
_PACKT_BASE = 'https://www.packtpub.com'
_MAPT_REST = '%s/mapt-rest' % _PACKT_BASE
class PacktPubIE(PacktPubBaseIE):
_VALID_URL = r'https?://(?:www\.)?packtpub\.com/mapt/video/[^/]+/(?P<course_id>\d+)/(?P<chapter_id>\d+)/(?P<id>\d+)'
_TEST = {
'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',
},
}
_NETRC_MACHINE = 'packtpub'
_TOKEN = None
def _real_initialize(self):
username, password = self._get_login_info()
if username is None:
return
try:
self._TOKEN = self._download_json(
self._MAPT_REST + '/users/tokens', None,
'Downloading Authorization Token', data=json.dumps({
'email': username,
'password': password,
}).encode())['data']['access']
except ExtractorError as e:
if isinstance(e.cause, compat_HTTPError) and e.cause.code in (400, 401, 404):
message = self._parse_json(e.cause.read().decode(), None)['message']
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')
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']
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': title,
'thumbnail': thumbnail,
'timestamp': timestamp,
}
class PacktPubCourseIE(PacktPubBaseIE):
_VALID_URL = r'(?P<url>https?://(?:www\.)?packtpub\.com/mapt/video/[^/]+/(?P<id>\d+))'
_TEST = {
'url': 'https://www.packtpub.com/mapt/video/web-development/9781787122215',
'info_dict': {
'id': '9781787122215',
'title': 'Learn Nodejs by building 12 projects [Video]',
},
'playlist_count': 90,
}
@classmethod
def suitable(cls, url):
return False if PacktPubIE.suitable(url) else super(
PacktPubCourseIE, cls).suitable(url)
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
url, course_id = mobj.group('url', 'id')
course = self._download_json(
'%s/products/%s/metadata' % (self._MAPT_REST, course_id),
course_id)['data']
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):
continue
chapter_info = {
'chapter': chapter.get('title'),
'chapter_number': chapter_num,
'chapter_id': chapter.get('id'),
}
for section in children:
if section.get('type') != 'section':
continue
section_url = section.get('seoUrl')
if not isinstance(section_url, compat_str):
continue
entry = {
'_type': 'url_transparent',
'url': urljoin(url + '/', section_url),
'title': strip_or_none(section.get('title')),
'description': clean_html(section.get('summary')),
'ie_key': PacktPubIE.ie_key(),
}
entry.update(chapter_info)
entries.append(entry)
return self.playlist_result(entries, course_id, course.get('title'))
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