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yt-dlp/yt_dlp/extractor/loom.py

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import json
import textwrap
import urllib.parse
import uuid
from .common import InfoExtractor
from ..utils import (
ExtractorError,
determine_ext,
filter_dict,
get_first,
int_or_none,
parse_iso8601,
update_url,
url_or_none,
variadic,
)
from ..utils.traversal import traverse_obj
class LoomIE(InfoExtractor):
IE_NAME = 'loom'
_VALID_URL = r'https?://(?:www\.)?loom\.com/(?:share|embed)/(?P<id>[\da-f]{32})'
_EMBED_REGEX = [rf'<iframe[^>]+\bsrc=["\'](?P<url>{_VALID_URL})']
_TESTS = [{
# m3u8 raw-url, mp4 transcoded-url, cdn url == raw-url, json subs only
'url': 'https://www.loom.com/share/43d05f362f734614a2e81b4694a3a523',
'md5': 'bfc2d7e9c2e0eb4813212230794b6f42',
'info_dict': {
'id': '43d05f362f734614a2e81b4694a3a523',
'ext': 'mp4',
'title': 'A Ruler for Windows - 28 March 2022',
'uploader': 'wILLIAM PIP',
'upload_date': '20220328',
'timestamp': 1648454238,
'duration': 27,
},
}, {
# webm raw-url, mp4 transcoded-url, cdn url == transcoded-url, no subs
'url': 'https://www.loom.com/share/c43a642f815f4378b6f80a889bb73d8d',
'md5': '70f529317be8cf880fcc2c649a531900',
'info_dict': {
'id': 'c43a642f815f4378b6f80a889bb73d8d',
'ext': 'webm',
'title': 'Lilah Nielsen Intro Video',
'uploader': 'Lilah Nielsen',
'upload_date': '20200826',
'timestamp': 1598480716,
'duration': 20,
},
}, {
# m3u8 raw-url, mp4 transcoded-url, cdn url == raw-url, vtt sub and json subs
'url': 'https://www.loom.com/share/9458bcbf79784162aa62ffb8dd66201b',
'md5': '51737ec002969dd28344db4d60b9cbbb',
'info_dict': {
'id': '9458bcbf79784162aa62ffb8dd66201b',
'ext': 'mp4',
'title': 'Sharing screen with gpt-4',
'description': 'Sharing screen with GPT 4 vision model and asking questions to guide through blender.',
'uploader': 'Suneel Matham',
'chapters': 'count:3',
'upload_date': '20231109',
'timestamp': 1699518978,
'duration': 93,
},
}, {
# mpd raw-url, mp4 transcoded-url, cdn url == raw-url, no subs
'url': 'https://www.loom.com/share/24351eb8b317420289b158e4b7e96ff2',
'info_dict': {
'id': '24351eb8b317420289b158e4b7e96ff2',
'ext': 'webm',
'title': 'OMFG clown',
'description': 'md5:285c5ee9d62aa087b7e3271b08796815',
'uploader': 'MrPumkin B',
'upload_date': '20210924',
'timestamp': 1632519618,
'duration': 210,
},
'params': {'skip_download': 'dash'},
}, {
# password-protected
'url': 'https://www.loom.com/share/50e26e8aeb7940189dff5630f95ce1f4',
'md5': '5cc7655e7d55d281d203f8ffd14771f7',
'info_dict': {
'id': '50e26e8aeb7940189dff5630f95ce1f4',
'ext': 'mp4',
'title': 'iOS Mobile Upload',
'uploader': 'Simon Curran',
'upload_date': '20200520',
'timestamp': 1590000123,
'duration': 35,
},
'params': {'videopassword': 'seniorinfants2'},
}, {
# embed, transcoded-url endpoint sends empty JSON response, split video and audio HLS formats
'url': 'https://www.loom.com/embed/ddcf1c1ad21f451ea7468b1e33917e4e',
'md5': 'b321d261656848c184a94e3b93eae28d',
'info_dict': {
'id': 'ddcf1c1ad21f451ea7468b1e33917e4e',
'ext': 'mp4',
'title': 'CF Reset User\'s Password',
'uploader': 'Aimee Heintz',
'upload_date': '20220707',
'timestamp': 1657216459,
'duration': 181,
},
'params': {'format': 'bestvideo'}, # Test video-only fixup
'expected_warnings': ['Failed to parse JSON'],
}]
_WEBPAGE_TESTS = [{
'url': 'https://www.loom.com/community/e1229802a8694a09909e8ba0fbb6d073-pg',
'md5': 'ec838cd01b576cf0386f32e1ae424609',
'info_dict': {
'id': 'e1229802a8694a09909e8ba0fbb6d073',
'ext': 'mp4',
'title': 'Rexie Jane Cimafranca - Founder\'s Presentation',
'uploader': 'Rexie Cimafranca',
'upload_date': '20230213',
'duration': 247,
'timestamp': 1676274030,
},
}]
_GRAPHQL_VARIABLES = {
'GetVideoSource': {
'acceptableMimes': ['DASH', 'M3U8', 'MP4'],
},
}
_GRAPHQL_QUERIES = {
'GetVideoSSR': textwrap.dedent('''\
query GetVideoSSR($videoId: ID!, $password: String) {
getVideo(id: $videoId, password: $password) {
__typename
... on PrivateVideo {
id
status
message
__typename
}
... on VideoPasswordMissingOrIncorrect {
id
message
__typename
}
... on RegularUserVideo {
id
__typename
createdAt
description
download_enabled
folder_id
is_protected
needs_password
owner {
display_name
__typename
}
privacy
s3_id
name
video_properties {
avgBitRate
client
camera_enabled
client_version
duration
durationMs
format
height
microphone_enabled
os
os_version
recordingClient
recording_type
recording_version
screen_type
tab_audio
trim_duration
width
__typename
}
playable_duration
source_duration
visibility
}
}
}\n'''),
'GetVideoSource': textwrap.dedent('''\
query GetVideoSource($videoId: ID!, $password: String, $acceptableMimes: [CloudfrontVideoAcceptableMime]) {
getVideo(id: $videoId, password: $password) {
... on RegularUserVideo {
id
nullableRawCdnUrl(acceptableMimes: $acceptableMimes, password: $password) {
url
__typename
}
__typename
}
__typename
}
}\n'''),
'FetchVideoTranscript': textwrap.dedent('''\
query FetchVideoTranscript($videoId: ID!, $password: String) {
fetchVideoTranscript(videoId: $videoId, password: $password) {
... on VideoTranscriptDetails {
id
video_id
source_url
captions_source_url
__typename
}
... on GenericError {
message
__typename
}
__typename
}
}\n'''),
'FetchChapters': textwrap.dedent('''\
query FetchChapters($videoId: ID!, $password: String) {
fetchVideoChapters(videoId: $videoId, password: $password) {
... on VideoChapters {
video_id
content
__typename
}
... on EmptyChaptersPayload {
content
__typename
}
... on InvalidRequestWarning {
message
__typename
}
... on Error {
message
__typename
}
__typename
}
}\n'''),
}
_APOLLO_GRAPHQL_VERSION = '0a1856c'
def _call_graphql_api(self, operations, video_id, note=None, errnote=None):
password = self.get_param('videopassword')
return self._download_json(
'https://www.loom.com/graphql', video_id, note or 'Downloading GraphQL JSON',
errnote or 'Failed to download GraphQL JSON', headers={
'Accept': 'application/json',
'Content-Type': 'application/json',
'x-loom-request-source': f'loom_web_{self._APOLLO_GRAPHQL_VERSION}',
'apollographql-client-name': 'web',
'apollographql-client-version': self._APOLLO_GRAPHQL_VERSION,
}, data=json.dumps([{
'operationName': operation_name,
'variables': {
'videoId': video_id,
'password': password,
**self._GRAPHQL_VARIABLES.get(operation_name, {}),
},
'query': self._GRAPHQL_QUERIES[operation_name],
} for operation_name in variadic(operations)], separators=(',', ':')).encode())
def _call_url_api(self, endpoint, video_id):
response = self._download_json(
f'https://www.loom.com/api/campaigns/sessions/{video_id}/{endpoint}', video_id,
f'Downloading {endpoint} JSON', f'Failed to download {endpoint} JSON', fatal=False,
headers={'Accept': 'application/json', 'Content-Type': 'application/json'},
data=json.dumps({
'anonID': str(uuid.uuid4()),
'deviceID': None,
'force_original': False, # HTTP error 401 if True
'password': self.get_param('videopassword'),
}, separators=(',', ':')).encode())
return traverse_obj(response, ('url', {url_or_none}))
def _extract_formats(self, video_id, metadata, gql_data):
formats = []
video_properties = traverse_obj(metadata, ('video_properties', {
'width': ('width', {int_or_none}),
'height': ('height', {int_or_none}),
'acodec': ('microphone_enabled', {lambda x: 'none' if x is False else None}),
}))
def get_formats(format_url, format_id, quality):
if not format_url:
return
ext = determine_ext(format_url)
query = urllib.parse.urlparse(format_url).query
if ext == 'm3u8':
# Extract pre-merged HLS formats to avoid buggy parsing of metadata in split playlists
format_url = format_url.replace('-split.m3u8', '.m3u8')
m3u8_formats = self._extract_m3u8_formats(
format_url, video_id, 'mp4', m3u8_id=f'hls-{format_id}', fatal=False, quality=quality)
# Sometimes only split video/audio formats are available, need to fixup video-only formats
is_not_premerged = 'none' in traverse_obj(m3u8_formats, (..., 'vcodec'))
for fmt in m3u8_formats:
if is_not_premerged and fmt.get('vcodec') != 'none':
fmt['acodec'] = 'none'
yield {
**fmt,
'url': update_url(fmt['url'], query=query),
'extra_param_to_segment_url': query,
}
elif ext == 'mpd':
dash_formats = self._extract_mpd_formats(
format_url, video_id, mpd_id=f'dash-{format_id}', fatal=False)
for fmt in dash_formats:
yield {
**fmt,
'extra_param_to_segment_url': query,
'quality': quality,
}
else:
yield {
'url': format_url,
'ext': ext,
'format_id': f'http-{format_id}',
'quality': quality,
**video_properties,
}
raw_url = self._call_url_api('raw-url', video_id)
formats.extend(get_formats(raw_url, 'raw', quality=1)) # original quality
transcoded_url = self._call_url_api('transcoded-url', video_id)
formats.extend(get_formats(transcoded_url, 'transcoded', quality=-1)) # transcoded quality
cdn_url = get_first(gql_data, ('data', 'getVideo', 'nullableRawCdnUrl', 'url', {url_or_none}))
# cdn_url is usually a dupe, but the raw-url/transcoded-url endpoints could return errors
valid_urls = [update_url(url, query=None) for url in (raw_url, transcoded_url) if url]
if cdn_url and update_url(cdn_url, query=None) not in valid_urls:
formats.extend(get_formats(cdn_url, 'cdn', quality=0)) # could be original or transcoded
return formats
def _real_extract(self, url):
video_id = self._match_id(url)
metadata = get_first(
self._call_graphql_api('GetVideoSSR', video_id, 'Downloading GraphQL metadata JSON'),
('data', 'getVideo', {dict})) or {}
if metadata.get('__typename') == 'VideoPasswordMissingOrIncorrect':
if not self.get_param('videopassword'):
raise ExtractorError(
'This video is password-protected, use the --video-password option', expected=True)
raise ExtractorError('Invalid video password', expected=True)
gql_data = self._call_graphql_api(['FetchChapters', 'FetchVideoTranscript', 'GetVideoSource'], video_id)
duration = traverse_obj(metadata, ('video_properties', 'duration', {int_or_none}))
return {
'id': video_id,
'duration': duration,
'chapters': self._extract_chapters_from_description(
get_first(gql_data, ('data', 'fetchVideoChapters', 'content', {str})), duration) or None,
'formats': self._extract_formats(video_id, metadata, gql_data),
'subtitles': filter_dict({
'en': traverse_obj(gql_data, (
..., 'data', 'fetchVideoTranscript',
('source_url', 'captions_source_url'), {
'url': {url_or_none},
})) or None,
}),
**traverse_obj(metadata, {
'title': ('name', {str}),
'description': ('description', {str}),
'uploader': ('owner', 'display_name', {str}),
'timestamp': ('createdAt', {parse_iso8601}),
}),
}
class LoomFolderIE(InfoExtractor):
IE_NAME = 'loom:folder'
_VALID_URL = r'https?://(?:www\.)?loom\.com/share/folder/(?P<id>[\da-f]{32})'
_TESTS = [{
# 2 subfolders, no videos in root
'url': 'https://www.loom.com/share/folder/997db4db046f43e5912f10dc5f817b5c',
'playlist_mincount': 16,
'info_dict': {
'id': '997db4db046f43e5912f10dc5f817b5c',
'title': 'Blending Lessons',
},
}, {
# only videos, no subfolders
'url': 'https://www.loom.com/share/folder/9a8a87f6b6f546d9a400c8e7575ff7f2',
'playlist_mincount': 12,
'info_dict': {
'id': '9a8a87f6b6f546d9a400c8e7575ff7f2',
'title': 'List A- a, i, o',
},
}, {
# videos in root and empty subfolder
'url': 'https://www.loom.com/share/folder/886e534218c24fd292e97e9563078cc4',
'playlist_mincount': 21,
'info_dict': {
'id': '886e534218c24fd292e97e9563078cc4',
'title': 'Medicare Agent Training videos',
},
}, {
# videos in root and videos in subfolders
'url': 'https://www.loom.com/share/folder/b72c4ecdf04745da9403926d80a40c38',
'playlist_mincount': 21,
'info_dict': {
'id': 'b72c4ecdf04745da9403926d80a40c38',
'title': 'Quick Altos Q & A Tutorials',
},
}, {
# recursive folder extraction
'url': 'https://www.loom.com/share/folder/8b458a94e0e4449b8df9ea7a68fafc4e',
'playlist_count': 23,
'info_dict': {
'id': '8b458a94e0e4449b8df9ea7a68fafc4e',
'title': 'Sezer Texting Guide',
},
}, {
# more than 50 videos in 1 folder
'url': 'https://www.loom.com/share/folder/e056a91d290d47ca9b00c9d1df56c463',
'playlist_mincount': 61,
'info_dict': {
'id': 'e056a91d290d47ca9b00c9d1df56c463',
'title': 'User Videos',
},
}, {
# many subfolders
'url': 'https://www.loom.com/share/folder/c2dde8cc67454f0e99031677279d8954',
'playlist_mincount': 75,
'info_dict': {
'id': 'c2dde8cc67454f0e99031677279d8954',
'title': 'Honors 1',
},
}, {
'url': 'https://www.loom.com/share/folder/bae17109a68146c7803454f2893c8cf8/Edpuzzle',
'only_matching': True,
}]
def _extract_folder_data(self, folder_id):
return self._download_json(
f'https://www.loom.com/v1/folders/{folder_id}', folder_id,
'Downloading folder info JSON', query={'limit': '10000'})
def _extract_folder_entries(self, folder_id, initial_folder_data=None):
folder_data = initial_folder_data or self._extract_folder_data(folder_id)
for video in traverse_obj(folder_data, ('videos', lambda _, v: v['id'])):
video_id = video['id']
yield self.url_result(
f'https://www.loom.com/share/{video_id}', LoomIE, video_id, video.get('name'))
# Recurse into subfolders
for subfolder_id in traverse_obj(folder_data, (
'folders', lambda _, v: v['id'] != folder_id, 'id', {str})):
yield from self._extract_folder_entries(subfolder_id)
def _real_extract(self, url):
playlist_id = self._match_id(url)
playlist_data = self._extract_folder_data(playlist_id)
return self.playlist_result(
self._extract_folder_entries(playlist_id, playlist_data), playlist_id,
traverse_obj(playlist_data, ('folder', 'name', {str.strip})))