Separate video data fetching from parsing in videos.cr
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Samantaz Fox
parent
c8765385df
commit
049ed114fd
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@ -886,13 +886,13 @@ def parse_related_video(related : JSON::Any) : Hash(String, JSON::Any)?
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end
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def extract_video_info(video_id : String, proxy_region : String? = nil, context_screen : String? = nil)
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params = {} of String => JSON::Any
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# Init client config for the API
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client_config = YoutubeAPI::ClientConfig.new(proxy_region: proxy_region)
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if context_screen == "embed"
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client_config.client_type = YoutubeAPI::ClientType::TvHtml5ScreenEmbed
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end
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# Fetch data from the player endpoint
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player_response = YoutubeAPI.player(video_id: video_id, params: "", client_config: client_config)
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playability_status = player_response.dig?("playabilityStatus", "status").try &.as_s
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@ -903,26 +903,29 @@ def extract_video_info(video_id : String, proxy_region : String? = nil, context_
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reason ||= subreason.try &.[]("runs").as_a.map(&.[]("text")).join("")
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reason ||= player_response.dig("playabilityStatus", "reason").as_s
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params["reason"] = JSON::Any.new(reason)
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# Stop here if video is not a scheduled livestream
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if playability_status != "LIVE_STREAM_OFFLINE"
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return params
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return {
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"reason" => JSON::Any.new(reason),
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}
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end
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else
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reason = nil
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end
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params["shortDescription"] = player_response.dig?("videoDetails", "shortDescription") || JSON::Any.new(nil)
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# Don't fetch the next endpoint if the video is unavailable.
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if {"OK", "LIVE_STREAM_OFFLINE"}.any?(playability_status)
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next_response = YoutubeAPI.next({"videoId": video_id, "params": ""})
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player_response = player_response.merge(next_response)
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end
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params = parse_video_info(video_id, player_response)
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params["reason"] = JSON::Any.new(reason) if reason
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# Fetch the video streams using an Android client in order to get the decrypted URLs and
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# maybe fix throttling issues (#2194).See for the explanation about the decrypted URLs:
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# https://github.com/TeamNewPipe/NewPipeExtractor/issues/562
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if !params["reason"]?
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if reason.nil?
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if context_screen == "embed"
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client_config.client_type = YoutubeAPI::ClientType::AndroidScreenEmbed
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else
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@ -940,10 +943,15 @@ def extract_video_info(video_id : String, proxy_region : String? = nil, context_
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end
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end
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# TODO: clean that up
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{"captions", "microformat", "playabilityStatus", "storyboards", "videoDetails"}.each do |f|
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params[f] = player_response[f] if player_response[f]?
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end
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return params
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end
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def parse_video_info(video_id : String, player_response : Hash(String, JSON::Any)) : Hash(String, JSON::Any)
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# Top level elements
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main_results = player_response.dig?("contents", "twoColumnWatchNextResults")
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@ -997,8 +1005,6 @@ def extract_video_info(video_id : String, proxy_region : String? = nil, context_
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end
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end
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params["relatedVideos"] = JSON::Any.new(related)
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# Likes
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toplevel_buttons = video_primary_renderer
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@ -1019,42 +1025,36 @@ def extract_video_info(video_id : String, proxy_region : String? = nil, context_
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end
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end
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params["likes"] = JSON::Any.new(likes || 0_i64)
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params["dislikes"] = JSON::Any.new(0_i64)
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# Description
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short_description = player_response.dig?("videoDetails", "shortDescription")
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description_html = video_secondary_renderer.try &.dig?("description", "runs")
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.try &.as_a.try { |t| content_to_comment_html(t, video_id) }
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params["descriptionHtml"] = JSON::Any.new(description_html || "<p></p>")
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# Video metadata
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metadata = video_secondary_renderer
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.try &.dig?("metadataRowContainer", "metadataRowContainerRenderer", "rows")
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.try &.as_a
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params["genre"] = params["microformat"]?.try &.["playerMicroformatRenderer"]?.try &.["category"]? || JSON::Any.new("")
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params["genreUrl"] = JSON::Any.new(nil)
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genre = player_response.dig?("microformat", "playerMicroformatRenderer", "category")
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genre_ucid = nil
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license = nil
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metadata.try &.each do |row|
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title = row["metadataRowRenderer"]?.try &.["title"]?.try &.["simpleText"]?.try &.as_s
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metadata_title = row.dig?("metadataRowRenderer", "title", "simpleText").try &.as_s
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contents = row.dig?("metadataRowRenderer", "contents", 0)
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if title.try &.== "Category"
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if metadata_title == "Category"
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contents = contents.try &.dig?("runs", 0)
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params["genre"] = JSON::Any.new(contents.try &.["text"]?.try &.as_s || "")
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params["genreUcid"] = JSON::Any.new(contents.try &.["navigationEndpoint"]?.try &.["browseEndpoint"]?
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.try &.["browseId"]?.try &.as_s || "")
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elsif title.try &.== "License"
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contents = contents.try &.["runs"]?
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.try &.as_a[0]?
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params["license"] = JSON::Any.new(contents.try &.["text"]?.try &.as_s || "")
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elsif title.try &.== "Licensed to YouTube by"
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params["license"] = JSON::Any.new(contents.try &.["simpleText"]?.try &.as_s || "")
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genre = contents.try &.["text"]?
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genre_ucid = contents.try &.dig?("navigationEndpoint", "browseEndpoint", "browseId")
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elsif metadata_title == "License"
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license = contents.try &.dig?("runs", 0, "text")
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elsif metadata_title == "Licensed to YouTube by"
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license = contents.try &.["simpleText"]?
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end
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end
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@ -1062,20 +1062,30 @@ def extract_video_info(video_id : String, proxy_region : String? = nil, context_
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if author_info = video_secondary_renderer.try &.dig?("owner", "videoOwnerRenderer")
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author_thumbnail = author_info.dig?("thumbnail", "thumbnails", 0, "url")
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params["authorThumbnail"] = JSON::Any.new(author_thumbnail.try &.as_s || "")
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author_verified = has_verified_badge?(author_info["badges"]?)
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params["authorVerified"] = JSON::Any.new(author_verified)
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subs_text = author_info["subscriberCountText"]?
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.try { |t| t["simpleText"]? || t.dig?("runs", 0, "text") }
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.try &.as_s.split(" ", 2)[0]
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params["subCountText"] = JSON::Any.new(subs_text || "-")
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end
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# Return data
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params = {
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"shortDescription" => JSON::Any.new(short_description.try &.as_s || nil),
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"relatedVideos" => JSON::Any.new(related),
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"likes" => JSON::Any.new(likes || 0_i64),
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"dislikes" => JSON::Any.new(0_i64),
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"descriptionHtml" => JSON::Any.new(description_html || "<p></p>"),
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"genre" => JSON::Any.new(genre.try &.as_s || ""),
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"genreUrl" => JSON::Any.new(nil),
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"genreUcid" => JSON::Any.new(genre_ucid.try &.as_s || ""),
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"license" => JSON::Any.new(license.try &.as_s || ""),
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"authorThumbnail" => JSON::Any.new(author_thumbnail.try &.as_s || ""),
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"authorVerified" => JSON::Any.new(author_verified),
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"subCountText" => JSON::Any.new(subs_text || "-"),
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}
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return params
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end
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