From eb56d132d21752fa50e0dd2c3bfa3d983ad48655 Mon Sep 17 00:00:00 2001 From: pukkandan Date: Wed, 24 Nov 2021 18:22:42 +0530 Subject: [PATCH] [cleanup,instagram] Refactor extractors Closes #1561 --- yt_dlp/extractor/instagram.py | 291 ++++++++++++++-------------------- 1 file changed, 117 insertions(+), 174 deletions(-) diff --git a/yt_dlp/extractor/instagram.py b/yt_dlp/extractor/instagram.py index 0e726423e..1fcf97a19 100644 --- a/yt_dlp/extractor/instagram.py +++ b/yt_dlp/extractor/instagram.py @@ -1,5 +1,4 @@ # coding: utf-8 -from __future__ import unicode_literals import itertools import hashlib @@ -9,7 +8,6 @@ from .common import InfoExtractor from ..compat import ( - compat_str, compat_HTTPError, ) from ..utils import ( @@ -19,9 +17,8 @@ int_or_none, lowercase_escape, std_headers, - try_get, + traverse_obj, url_or_none, - variadic, urlencode_postdata, ) @@ -72,6 +69,58 @@ def _login(self): def _real_initialize(self): self._login() + def _get_count(self, media, kind, *keys): + return traverse_obj( + media, (kind, 'count'), *((f'edge_media_{key}', 'count') for key in keys), + expected_type=int_or_none) + + def _get_dimension(self, name, media, webpage=None): + return ( + traverse_obj(media, ('dimensions', name), expected_type=int_or_none) + or int_or_none(self._html_search_meta( + (f'og:video:{name}', f'video:{name}'), webpage or '', default=None))) + + def _extract_nodes(self, nodes, is_direct=False): + for idx, node in enumerate(nodes, start=1): + if node.get('__typename') != 'GraphVideo' and node.get('is_video') is not True: + continue + + video_id = node.get('shortcode') + + if is_direct: + info = { + 'id': video_id or node['id'], + 'url': node.get('video_url'), + 'width': self._get_dimension('width', node), + 'height': self._get_dimension('height', node), + 'http_headers': { + 'Referer': 'https://www.instagram.com/', + } + } + elif not video_id: + continue + else: + info = { + '_type': 'url', + 'ie_key': 'Instagram', + 'id': video_id, + 'url': f'https://instagram.com/p/{video_id}', + } + + yield { + **info, + 'title': node.get('title') or (f'Video {idx}' if is_direct else None), + 'description': traverse_obj( + node, ('edge_media_to_caption', 'edges', 0, 'node', 'text'), expected_type=str), + 'thumbnail': traverse_obj( + node, 'display_url', 'thumbnail_src', 'display_src', expected_type=url_or_none), + 'duration': float_or_none(node.get('video_duration')), + 'timestamp': int_or_none(node.get('taken_at_timestamp')), + 'view_count': int_or_none(node.get('video_view_count')), + 'comment_count': self._get_count(node, 'comments', 'preview_comment', 'to_comment', 'to_parent_comment'), + 'like_count': self._get_count(node, 'likes', 'preview_like'), + } + class InstagramIOSIE(InfoExtractor): IE_DESC = 'IOS instagram:// URL' @@ -234,29 +283,22 @@ def _extract_embed_url(webpage): return mobj.group('link') def _real_extract(self, url): - mobj = self._match_valid_url(url) - video_id = mobj.group('id') - url = mobj.group('url') - + video_id, url = self._match_valid_url(url).group('id', 'url') webpage, urlh = self._download_webpage_handle(url, video_id) - if 'www.instagram.com/accounts/login' in urlh.geturl().rstrip('/'): + if 'www.instagram.com/accounts/login' in urlh.geturl(): self.raise_login_required('You need to log in to access this content') - (media, video_url, description, thumbnails, timestamp, uploader, - uploader_id, like_count, comment_count, comments, height, - width) = [None] * 12 - shared_data = self._parse_json( self._search_regex( r'window\._sharedData\s*=\s*({.+?});', webpage, 'shared data', default='{}'), video_id, fatal=False) - if shared_data: - media = try_get( - shared_data, - (lambda x: x['entry_data']['PostPage'][0]['graphql']['shortcode_media'], - lambda x: x['entry_data']['PostPage'][0]['media']), - dict) + media = traverse_obj( + shared_data, + ('entry_data', 'PostPage', 0, 'graphql', 'shortcode_media'), + ('entry_data', 'PostPage', 0, 'media'), + expected_type=dict) + # _sharedData.entry_data.PostPage is empty when authenticated (see # https://github.com/ytdl-org/youtube-dl/pull/22880) if not media: @@ -265,125 +307,71 @@ def _real_extract(self, url): r'window\.__additionalDataLoaded\s*\(\s*[^,]+,\s*({.+?})\s*\)\s*;', webpage, 'additional data', default='{}'), video_id, fatal=False) - if additional_data: - media = try_get( - additional_data, lambda x: x['graphql']['shortcode_media'], - dict) - if media: - video_url = media.get('video_url') - height = int_or_none(self._html_search_meta(('og:video:height', 'video:height'), webpage)) or try_get(media, lambda x: x['dimensions']['height']) - width = int_or_none(self._html_search_meta(('og:video:width', 'video:width'), webpage)) or try_get(media, lambda x: x['dimensions']['width']) - description = try_get( - media, lambda x: x['edge_media_to_caption']['edges'][0]['node']['text'], - compat_str) or media.get('caption') - title = media.get('title') - display_resources = media.get('display_resources') - if not display_resources: - display_resources = [{'src': media.get('display_src')}, {'src': media.get('display_url')}] - duration = float_or_none(media.get('video_duration')) - timestamp = int_or_none(media.get('taken_at_timestamp') or media.get('date')) - uploader = try_get(media, lambda x: x['owner']['full_name']) - uploader_id = try_get(media, lambda x: x['owner']['username']) + media = traverse_obj(additional_data, ('graphql', 'shortcode_media'), expected_type=dict) or {} - def get_count(keys, kind): - for key in variadic(keys): - count = int_or_none(try_get( - media, (lambda x: x['edge_media_%s' % key]['count'], - lambda x: x['%ss' % kind]['count']))) - if count is not None: - return count - - like_count = get_count('preview_like', 'like') - comment_count = get_count( - ('preview_comment', 'to_comment', 'to_parent_comment'), 'comment') - - thumbnails = [{ - 'url': thumbnail['src'], - 'width': thumbnail.get('config_width'), - 'height': thumbnail.get('config_height'), - } for thumbnail in display_resources if thumbnail.get('src')] - - comments = [] - for comment in try_get(media, lambda x: x['edge_media_to_parent_comment']['edges']): - comment_dict = comment.get('node', {}) - comment_text = comment_dict.get('text') - if comment_text: - comments.append({ - 'author': try_get(comment_dict, lambda x: x['owner']['username']), - 'author_id': try_get(comment_dict, lambda x: x['owner']['id']), - 'id': comment_dict.get('id'), - 'text': comment_text, - 'timestamp': int_or_none(comment_dict.get('created_at')), - }) - if not video_url: - edges = try_get( - media, lambda x: x['edge_sidecar_to_children']['edges'], - list) or [] - if edges: - entries = [] - for edge_num, edge in enumerate(edges, start=1): - node = try_get(edge, lambda x: x['node'], dict) - if not node: - continue - node_video_url = url_or_none(node.get('video_url')) - if not node_video_url: - continue - entries.append({ - 'id': node.get('shortcode') or node['id'], - 'title': node.get('title') or 'Video %d' % edge_num, - 'url': node_video_url, - 'thumbnail': node.get('display_url'), - 'duration': float_or_none(node.get('video_duration')), - 'width': int_or_none(try_get(node, lambda x: x['dimensions']['width'])), - 'height': int_or_none(try_get(node, lambda x: x['dimensions']['height'])), - 'view_count': int_or_none(node.get('video_view_count')), - }) - return self.playlist_result( - entries, video_id, - 'Post by %s' % uploader_id if uploader_id else None, - description) - - if not video_url: - video_url = self._og_search_video_url(webpage, secure=False) - - formats = [{ - 'url': video_url, - 'width': width, - 'height': height, - }] - dash = try_get(media, lambda x: x['dash_info']['video_dash_manifest']) - if dash: - formats.extend(self._parse_mpd_formats(self._parse_xml(dash, video_id), mpd_id='dash')) - self._sort_formats(formats) - - if not uploader_id: - uploader_id = self._search_regex( - r'"owner"\s*:\s*{\s*"username"\s*:\s*"(.+?)"', - webpage, 'uploader id', fatal=False) + uploader_id = traverse_obj(media, ('owner', 'username')) or self._search_regex( + r'"owner"\s*:\s*{\s*"username"\s*:\s*"(.+?)"', webpage, 'uploader id', fatal=False) + description = ( + traverse_obj(media, ('edge_media_to_caption', 'edges', 0, 'node', 'text'), expected_type=str) + or media.get('caption')) if not description: description = self._search_regex( r'"caption"\s*:\s*"(.+?)"', webpage, 'description', default=None) if description is not None: description = lowercase_escape(description) - if not thumbnails: - thumbnails = self._og_search_thumbnail(webpage) + video_url = media.get('video_url') + if not video_url: + nodes = traverse_obj(media, ('edge_sidecar_to_children', 'edges', ..., 'node'), expected_type=dict) or [] + if nodes: + return self.playlist_result( + self._extract_nodes(nodes, True), video_id, + 'Post by %s' % uploader_id if uploader_id else None, description) + + video_url = self._og_search_video_url(webpage, secure=False) + + formats = [{ + 'url': video_url, + 'width': self._get_dimension('width', media, webpage), + 'height': self._get_dimension('height', media, webpage), + }] + dash = traverse_obj(media, ('dash_info', 'video_dash_manifest')) + if dash: + formats.extend(self._parse_mpd_formats(self._parse_xml(dash, video_id), mpd_id='dash')) + self._sort_formats(formats) + + comments = [{ + 'author': traverse_obj(comment_dict, ('node', 'owner', 'username')), + 'author_id': traverse_obj(comment_dict, ('node', 'owner', 'id')), + 'id': traverse_obj(comment_dict, ('node', 'id')), + 'text': traverse_obj(comment_dict, ('node', 'text')), + 'timestamp': traverse_obj(comment_dict, ('node', 'created_at'), expected_type=int_or_none), + } for comment_dict in traverse_obj(media, ('edge_media_to_parent_comment', 'edges'))] + + display_resources = ( + media.get('display_resources') + or [{'src': media.get(key)} for key in ('display_src', 'display_url')] + or [{'src': self._og_search_thumbnail(webpage)}]) + thumbnails = [{ + 'url': thumbnail['src'], + 'width': thumbnail.get('config_width'), + 'height': thumbnail.get('config_height'), + } for thumbnail in display_resources if thumbnail.get('src')] return { 'id': video_id, 'formats': formats, - 'ext': 'mp4', - 'title': title or 'Video by %s' % uploader_id, + 'title': media.get('title') or 'Video by %s' % uploader_id, 'description': description, - 'duration': duration, - 'thumbnails': thumbnails, - 'timestamp': timestamp, + 'duration': float_or_none(media.get('video_duration')), + 'timestamp': traverse_obj(media, 'taken_at_timestamp', 'date', expected_type=int_or_none), 'uploader_id': uploader_id, - 'uploader': uploader, - 'like_count': like_count, - 'comment_count': comment_count, + 'uploader': traverse_obj(media, ('owner', 'full_name')), + 'like_count': self._get_count(media, 'likes', 'preview_like'), + 'comment_count': self._get_count(media, 'comments', 'preview_comment', 'to_comment', 'to_parent_comment'), 'comments': comments, + 'thumbnails': thumbnails, 'http_headers': { 'Referer': 'https://www.instagram.com/', } @@ -402,10 +390,6 @@ def _parse_graphql(self, webpage, item_id): def _extract_graphql(self, data, url): # Parses GraphQL queries containing videos and generates a playlist. - def get_count(suffix): - return int_or_none(try_get( - node, lambda x: x['edge_media_' + suffix]['count'])) - uploader_id = self._match_id(url) csrf_token = data['config']['csrf_token'] rhx_gis = data.get('rhx_gis') or '3c7ca9dcefcf966d11dacf1f151335e8' @@ -454,55 +438,14 @@ def get_count(suffix): continue raise - edges = media.get('edges') - if not edges or not isinstance(edges, list): + nodes = traverse_obj(media, ('edges', ..., 'node'), expected_type=dict) or [] + if not nodes: break + yield from self._extract_nodes(nodes) - for edge in edges: - node = edge.get('node') - if not node or not isinstance(node, dict): - continue - if node.get('__typename') != 'GraphVideo' and node.get('is_video') is not True: - continue - video_id = node.get('shortcode') - if not video_id: - continue - - info = self.url_result( - 'https://instagram.com/p/%s/' % video_id, - ie=InstagramIE.ie_key(), video_id=video_id) - - description = try_get( - node, lambda x: x['edge_media_to_caption']['edges'][0]['node']['text'], - compat_str) - thumbnail = node.get('thumbnail_src') or node.get('display_src') - timestamp = int_or_none(node.get('taken_at_timestamp')) - - comment_count = get_count('to_comment') - like_count = get_count('preview_like') - view_count = int_or_none(node.get('video_view_count')) - - info.update({ - 'description': description, - 'thumbnail': thumbnail, - 'timestamp': timestamp, - 'comment_count': comment_count, - 'like_count': like_count, - 'view_count': view_count, - }) - - yield info - - page_info = media.get('page_info') - if not page_info or not isinstance(page_info, dict): - break - - has_next_page = page_info.get('has_next_page') - if not has_next_page: - break - - cursor = page_info.get('end_cursor') - if not cursor or not isinstance(cursor, compat_str): + has_next_page = traverse_obj(media, ('page_info', 'has_next_page')) + cursor = traverse_obj(media, ('page_info', 'end_cursor'), expected_type=str) + if not has_next_page or not cursor: break def _real_extract(self, url):