Merge branch 'hugohaa-alura'

youtube_dlc/extractor/alura.py

@@ -0,0 +1,180 @@
+# coding: utf-8
+from __future__ import unicode_literals
+
+import re
+
+from .common import InfoExtractor
+
+from ..compat import (
+    compat_urlparse,
+)
+
+from ..utils import (
+    urlencode_postdata,
+    urljoin,
+    int_or_none,
+    clean_html,
+    ExtractorError
+)
+
+
+class AluraIE(InfoExtractor):
+    _VALID_URL = r'https?://(?:cursos\.)?alura\.com\.br/course/(?P<course_name>[^/]+)/task/(?P<id>\d+)'
+    _LOGIN_URL = 'https://cursos.alura.com.br/loginForm?urlAfterLogin=/loginForm'
+    _VIDEO_URL = 'https://cursos.alura.com.br/course/%s/task/%s/video'
+    _NETRC_MACHINE = 'alura'
+    _TESTS = [{
+        'url': 'https://cursos.alura.com.br/course/clojure-mutabilidade-com-atoms-e-refs/task/60095',
+        'info_dict': {
+            'id': '60095',
+            'ext': 'mp4',
+            'title': 'Referências, ref-set e alter'
+        },
+        'skip': 'Requires alura account credentials'},
+        {
+            # URL without video
+            'url': 'https://cursos.alura.com.br/course/clojure-mutabilidade-com-atoms-e-refs/task/60098',
+            'only_matching': True},
+        {
+            'url': 'https://cursos.alura.com.br/course/fundamentos-market-digital/task/55219',
+            'only_matching': True}
+    ]
+
+    def _real_extract(self, url):
+
+        video_id = self._match_id(url)
+        course = self._search_regex(self._VALID_URL, url, 'post url', group='course_name')
+        video_url = self._VIDEO_URL % (course, video_id)
+
+        video_dict = self._download_json(video_url, video_id, 'Searching for videos')
+
+        if video_dict:
+            webpage = self._download_webpage(url, video_id)
+            video_title = clean_html(self._search_regex(
+                r'<span[^>]+class=(["\'])task-body-header-title-text\1[^>]*>(?P<title>[^<]+)',
+                webpage, 'title', group='title'))
+
+            formats = []
+            for video_obj in video_dict:
+                video_url_m3u8 = video_obj.get('link')
+                video_format = self._extract_m3u8_formats(
+                    video_url_m3u8, None, 'mp4', entry_protocol='m3u8_native',
+                    m3u8_id='hls', fatal=False)
+                for f in video_format:
+                    m = re.search(r'^[\w \W]*-(?P<res>\w*).mp4[\W \w]*', f['url'])
+                    if m:
+                        if not f.get('height'):
+                            f['height'] = int('720' if m.group('res') == 'hd' else '480')
+                formats.extend(video_format)
+
+            self._sort_formats(formats, field_preference=('height', 'width', 'tbr', 'format_id'))
+
+            return {
+                'id': video_id,
+                'title': video_title,
+                "formats": formats
+            }
+
+    def _real_initialize(self):
+        self._login()
+
+    def _login(self):
+        username, password = self._get_login_info()
+        if username is None:
+            return
+        pass
+
+        login_page = self._download_webpage(
+            self._LOGIN_URL, None, 'Downloading login popup')
+
+        def is_logged(webpage):
+            return any(re.search(p, webpage) for p in (
+                r'href=[\"|\']?/signout[\"|\']',
+                r'>Logout<'))
+
+        # already logged in
+        if is_logged(login_page):
+            return
+
+        login_form = self._hidden_inputs(login_page)
+
+        login_form.update({
+            'username': username,
+            'password': password,
+        })
+
+        post_url = self._search_regex(
+            r'<form[^>]+class=["|\']signin-form["|\'] action=["|\'](?P<url>.+?)["|\']', login_page,
+            'post url', default=self._LOGIN_URL, group='url')
+
+        if not post_url.startswith('http'):
+            post_url = compat_urlparse.urljoin(self._LOGIN_URL, post_url)
+
+        response = self._download_webpage(
+            post_url, None, 'Logging in',
+            data=urlencode_postdata(login_form),
+            headers={'Content-Type': 'application/x-www-form-urlencoded'})
+
+        if not is_logged(response):
+            error = self._html_search_regex(
+                r'(?s)<p[^>]+class="alert-message[^"]*">(.+?)</p>',
+                response, 'error message', default=None)
+            if error:
+                raise ExtractorError('Unable to login: %s' % error, expected=True)
+            raise ExtractorError('Unable to log in')
+
+
+class AluraCourseIE(AluraIE):
+
+    _VALID_URL = r'https?://(?:cursos\.)?alura\.com\.br/course/(?P<id>[^/]+)'
+    _LOGIN_URL = 'https://cursos.alura.com.br/loginForm?urlAfterLogin=/loginForm'
+    _NETRC_MACHINE = 'aluracourse'
+    _TESTS = [{
+        'url': 'https://cursos.alura.com.br/course/clojure-mutabilidade-com-atoms-e-refs',
+        'only_matching': True,
+    }]
+
+    @classmethod
+    def suitable(cls, url):
+        return False if AluraIE.suitable(url) else super(AluraCourseIE, cls).suitable(url)
+
+    def _real_extract(self, url):
+
+        course_path = self._match_id(url)
+        webpage = self._download_webpage(url, course_path)
+
+        course_title = self._search_regex(
+            r'<h1.*?>(.*?)<strong>(?P<course_title>.*?)</strong></h[0-9]>', webpage,
+            'course title', default=course_path, group='course_title')
+
+        entries = []
+        if webpage:
+            for path in re.findall(r'<a\b(?=[^>]* class="[^"]*(?<=[" ])courseSectionList-section[" ])(?=[^>]* href="([^"]*))', webpage):
+                page_url = urljoin(url, path)
+                section_path = self._download_webpage(page_url, course_path)
+                for path_video in re.findall(r'<a\b(?=[^>]* class="[^"]*(?<=[" ])task-menu-nav-item-link-VIDEO[" ])(?=[^>]* href="([^"]*))', section_path):
+                    chapter = clean_html(
+                        self._search_regex(
+                            r'<h3[^>]+class=(["\'])task-menu-section-title-text\1[^>]*>(?P<chapter>[^<]+)',
+                            section_path,
+                            'chapter',
+                            group='chapter'))
+
+                    chapter_number = int_or_none(
+                        self._search_regex(
+                            r'<span[^>]+class=(["\'])task-menu-section-title-number[^>]*>(.*?)<strong>(?P<chapter_number>[^<]+)</strong>',
+                            section_path,
+                            'chapter number',
+                            group='chapter_number'))
+                    video_url = urljoin(url, path_video)
+
+                    entry = {
+                        '_type': 'url_transparent',
+                        'id': self._match_id(video_url),
+                        'url': video_url,
+                        'id_key': self.ie_key(),
+                        'chapter': chapter,
+                        'chapter_number': chapter_number
+                    }
+                    entries.append(entry)
+        return self.playlist_result(entries, course_path, course_title)

youtube_dlc/extractor/extractors.py

@@ -36,6 +36,10 @@ from .afreecatv import AfreecaTVIE
 from .airmozilla import AirMozillaIE
 from .aljazeera import AlJazeeraIE
 from .alphaporno import AlphaPornoIE
+from .alura import (
+    AluraIE,
+    AluraCourseIE
+)
 from .amcnetworks import AMCNetworksIE
 from .americastestkitchen import AmericasTestKitchenIE
 from .animeondemand import AnimeOnDemandIE