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1 | import re | |
2 | import urllib.parse | |
3 | ||
4 | from .common import InfoExtractor | |
5 | from ..utils import ( | |
6 | ExtractorError, | |
7 | clean_html, | |
8 | int_or_none, | |
9 | urlencode_postdata, | |
10 | urljoin, | |
11 | ) | |
12 | ||
13 | ||
14 | class AluraIE(InfoExtractor): | |
15 | _VALID_URL = r'https?://(?:cursos\.)?alura\.com\.br/course/(?P<course_name>[^/]+)/task/(?P<id>\d+)' | |
16 | _LOGIN_URL = 'https://cursos.alura.com.br/loginForm?urlAfterLogin=/loginForm' | |
17 | _VIDEO_URL = 'https://cursos.alura.com.br/course/%s/task/%s/video' | |
18 | _NETRC_MACHINE = 'alura' | |
19 | _TESTS = [{ | |
20 | 'url': 'https://cursos.alura.com.br/course/clojure-mutabilidade-com-atoms-e-refs/task/60095', | |
21 | 'info_dict': { | |
22 | 'id': '60095', | |
23 | 'ext': 'mp4', | |
24 | 'title': 'ReferĂȘncias, ref-set e alter', | |
25 | }, | |
26 | 'skip': 'Requires alura account credentials'}, | |
27 | { | |
28 | # URL without video | |
29 | 'url': 'https://cursos.alura.com.br/course/clojure-mutabilidade-com-atoms-e-refs/task/60098', | |
30 | 'only_matching': True}, | |
31 | { | |
32 | 'url': 'https://cursos.alura.com.br/course/fundamentos-market-digital/task/55219', | |
33 | 'only_matching': True}, | |
34 | ] | |
35 | ||
36 | def _real_extract(self, url): | |
37 | ||
38 | course, video_id = self._match_valid_url(url).group('course_name', 'id') | |
39 | video_url = self._VIDEO_URL % (course, video_id) | |
40 | ||
41 | video_dict = self._download_json(video_url, video_id, 'Searching for videos') | |
42 | ||
43 | if video_dict: | |
44 | webpage = self._download_webpage(url, video_id) | |
45 | video_title = clean_html(self._search_regex( | |
46 | r'<span[^>]+class=(["\'])task-body-header-title-text\1[^>]*>(?P<title>[^<]+)', | |
47 | webpage, 'title', group='title')) | |
48 | ||
49 | formats = [] | |
50 | for video_obj in video_dict: | |
51 | video_url_m3u8 = video_obj.get('mp4') | |
52 | video_format = self._extract_m3u8_formats( | |
53 | video_url_m3u8, None, 'mp4', entry_protocol='m3u8_native', | |
54 | m3u8_id='hls', fatal=False) | |
55 | for f in video_format: | |
56 | m = re.search(r'^[\w \W]*-(?P<res>\w*).mp4[\W \w]*', f['url']) | |
57 | if m: | |
58 | if not f.get('height'): | |
59 | f['height'] = int('720' if m.group('res') == 'hd' else '480') | |
60 | formats.extend(video_format) | |
61 | ||
62 | return { | |
63 | 'id': video_id, | |
64 | 'title': video_title, | |
65 | 'formats': formats, | |
66 | } | |
67 | ||
68 | def _perform_login(self, username, password): | |
69 | ||
70 | login_page = self._download_webpage( | |
71 | self._LOGIN_URL, None, 'Downloading login popup') | |
72 | ||
73 | def is_logged(webpage): | |
74 | return any(re.search(p, webpage) for p in ( | |
75 | r'href=[\"|\']?/signout[\"|\']', | |
76 | r'>Logout<')) | |
77 | ||
78 | # already logged in | |
79 | if is_logged(login_page): | |
80 | return | |
81 | ||
82 | login_form = self._hidden_inputs(login_page) | |
83 | ||
84 | login_form.update({ | |
85 | 'username': username, | |
86 | 'password': password, | |
87 | }) | |
88 | ||
89 | post_url = self._search_regex( | |
90 | r'<form[^>]+class=["|\']signin-form["|\'] action=["|\'](?P<url>.+?)["|\']', login_page, | |
91 | 'post url', default=self._LOGIN_URL, group='url') | |
92 | ||
93 | if not post_url.startswith('http'): | |
94 | post_url = urllib.parse.urljoin(self._LOGIN_URL, post_url) | |
95 | ||
96 | response = self._download_webpage( | |
97 | post_url, None, 'Logging in', | |
98 | data=urlencode_postdata(login_form), | |
99 | headers={'Content-Type': 'application/x-www-form-urlencoded'}) | |
100 | ||
101 | if not is_logged(response): | |
102 | error = self._html_search_regex( | |
103 | r'(?s)<p[^>]+class="alert-message[^"]*">(.+?)</p>', | |
104 | response, 'error message', default=None) | |
105 | if error: | |
106 | raise ExtractorError(f'Unable to login: {error}', expected=True) | |
107 | raise ExtractorError('Unable to log in') | |
108 | ||
109 | ||
110 | class AluraCourseIE(AluraIE): # XXX: Do not subclass from concrete IE | |
111 | ||
112 | _VALID_URL = r'https?://(?:cursos\.)?alura\.com\.br/course/(?P<id>[^/]+)' | |
113 | _LOGIN_URL = 'https://cursos.alura.com.br/loginForm?urlAfterLogin=/loginForm' | |
114 | _NETRC_MACHINE = 'aluracourse' | |
115 | _TESTS = [{ | |
116 | 'url': 'https://cursos.alura.com.br/course/clojure-mutabilidade-com-atoms-e-refs', | |
117 | 'only_matching': True, | |
118 | }] | |
119 | ||
120 | @classmethod | |
121 | def suitable(cls, url): | |
122 | return False if AluraIE.suitable(url) else super().suitable(url) | |
123 | ||
124 | def _real_extract(self, url): | |
125 | ||
126 | course_path = self._match_id(url) | |
127 | webpage = self._download_webpage(url, course_path) | |
128 | ||
129 | course_title = self._search_regex( | |
130 | r'<h1.*?>(.*?)<strong>(?P<course_title>.*?)</strong></h[0-9]>', webpage, | |
131 | 'course title', default=course_path, group='course_title') | |
132 | ||
133 | entries = [] | |
134 | if webpage: | |
135 | for path in re.findall(r'<a\b(?=[^>]* class="[^"]*(?<=[" ])courseSectionList-section[" ])(?=[^>]* href="([^"]*))', webpage): | |
136 | page_url = urljoin(url, path) | |
137 | section_path = self._download_webpage(page_url, course_path) | |
138 | for path_video in re.findall(r'<a\b(?=[^>]* class="[^"]*(?<=[" ])task-menu-nav-item-link-VIDEO[" ])(?=[^>]* href="([^"]*))', section_path): | |
139 | chapter = clean_html( | |
140 | self._search_regex( | |
141 | r'<h3[^>]+class=(["\'])task-menu-section-title-text\1[^>]*>(?P<chapter>[^<]+)', | |
142 | section_path, | |
143 | 'chapter', | |
144 | group='chapter')) | |
145 | ||
146 | chapter_number = int_or_none( | |
147 | self._search_regex( | |
148 | r'<span[^>]+class=(["\'])task-menu-section-title-number[^>]*>(.*?)<strong>(?P<chapter_number>[^<]+)</strong>', | |
149 | section_path, | |
150 | 'chapter number', | |
151 | group='chapter_number')) | |
152 | video_url = urljoin(url, path_video) | |
153 | ||
154 | entry = { | |
155 | '_type': 'url_transparent', | |
156 | 'id': self._match_id(video_url), | |
157 | 'url': video_url, | |
158 | 'id_key': self.ie_key(), | |
159 | 'chapter': chapter, | |
160 | 'chapter_number': chapter_number, | |
161 | } | |
162 | entries.append(entry) | |
163 | return self.playlist_result(entries, course_path, course_title) |