mirror of
https://github.com/kmein/niveum
synced 2026-03-16 18:21:07 +01:00
213 lines
6.5 KiB
Nix
213 lines
6.5 KiB
Nix
{ lib, pkgs, config, ... }:
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let
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inherit (import <niveum/lib>) tmpfilesConfig serveHtml;
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radioStore = "/var/lib/radio";
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htgenPort = 8080;
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stations = {
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lyrikline = {
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streamPort = 8001;
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mpdPort = 6601;
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description = ''
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Weltklang. Welt als ewiges Gedicht, das seine Schallspuren durch Raum und Zeit jagt. Endlose Zufallswiedergabe von <a href="//lyrikline.org">lyrikline</a>. — Listen to the sound of voices and poems permeating linguistic and geographic barriers, 24 hours per day.
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'';
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};
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lyrik = {
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streamPort = 8002;
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mpdPort = 6602;
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description = ''
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Deutsche Lyrik, die du noch nicht gut genug kennst. Tritt in einen Fluss aus Reim und Maß; keine zwei Mal ist er derselbe.
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'';
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};
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};
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mpd-add-with-tags = pkgs.writers.writeHaskell "mpd-add-with-tags" {
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libraries = with pkgs.haskellPackages; [ optparse-generic libmpd ];
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} ''
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{-# LANGUAGE DeriveGeneric, OverloadedStrings #-}
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import Control.Monad (void)
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import Data.String
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import Network.MPD
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import Options.Generic
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data Options = Options { url :: String, artist :: Maybe String, title :: Maybe String }
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deriving (Generic)
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instance ParseRecord Options
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main :: IO ()
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main = do
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options <- getRecord "Add to MPD with tags"
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void $ withMPD $ do
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songId <- addId (fromString $ url options) Nothing
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maybe (pure ()) (addTagId songId Artist . fromString) $ artist options
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maybe (pure ()) (addTagId songId Title . fromString) $ title options
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'';
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mpcs = lib.mapAttrs (name: station: pkgs.writers.writeDashBin "mpc-${name}" ''
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MPD_PORT=${toString station.mpdPort} ${pkgs.mpc_cli}/bin/mpc "$@"
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'') stations;
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in
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{
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imports = [ <stockholm/krebs/3modules/htgen.nix> ];
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nixpkgs.overlays = [
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(self: super: { htgen = super.callPackage <stockholm/krebs/5pkgs/simple/htgen> {}; })
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];
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systemd.tmpfiles.rules = [
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(tmpfilesConfig {
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type = "d";
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path = radioStore;
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mode = "0755";
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user = config.users.extraUsers.radio.name;
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age = "1d";
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})
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];
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users.extraUsers.radio = {
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isSystemUser = true;
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group = "radio";
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};
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users.groups.radio = {};
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krebs.htgen.radio = {
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port = htgenPort;
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user.name = "radio";
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script = ''. ${pkgs.writers.writeDash "meinskript" ''
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send200() {
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printf 'HTTP/1.1 200 OK\r\n'
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printf 'Content-Type: text/html; charset=UTF-8\r\n'
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printf 'Connection: close\r\n'
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printf '\r\n'
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}
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case "$Method $Request_URI" in
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"GET /lyrik/status")
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send200
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video_id="$(
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${mpcs.lyrik}/bin/mpc-lyrik status -f %file% \
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| head -n1 \
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| grep -o 'id=[^&]*' \
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| sed 's/^id=//g'
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)"
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${pkgs.youtube-dl}/bin/youtube-dl -j "https://www.youtube.com/watch?v=$video_id" \
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| ${pkgs.jq}/bin/jq -r '"% [\(.title)](\(.webpage_url))\n\n\(.description)"' \
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| sed 's/$/ /g' \
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| ${pkgs.pandoc}/bin/pandoc -s
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exit
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;;
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"GET /lyrikline/status")
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send200
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hash="$(
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${mpcs.lyrikline}/bin/mpc-lyrikline status -f '%file%' \
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| head -n 1 \
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| md5sum \
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| cut -d' ' -f 1
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)"
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url="$(cat ${radioStore}/$hash)"
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echo "<html><body style='margin:0'><iframe style='width:100%;height:100%;border:0' src="$url"></iframe></body></html>"
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exit
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;;
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esac
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''}'';
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};
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containers = lib.mapAttrs (name: station: {
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autoStart = true;
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config = {config, pkgs, ...}: {
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services.mpd = {
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enable = true;
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network.port = station.mpdPort;
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extraConfig = ''
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log_level "default"
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audio_output {
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name "${name}"
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type "httpd"
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encoder "vorbis"
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port "${toString station.streamPort}"
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bitrate "128"
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format "44100:16:2"
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always_on "yes"
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tags "yes"
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}
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'';
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};
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};
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}) stations;
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environment.systemPackages = lib.attrValues mpcs;
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systemd.services.lyrikline = {
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after = [ "container@lyrikline.service" ];
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wantedBy = [ "container@lyrikline.service" ];
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startAt = "*:00/5";
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serviceConfig.User = config.users.extraUsers.radio.name;
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preStart = "${mpcs.lyrikline}/bin/mpc-lyrikline crop || :";
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script = ''
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set -efu
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lyrikline=https://www.lyrikline.org
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for _ in $(seq 1 10); do
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random_route="$(${pkgs.curl}/bin/curl -sSL "$lyrikline/index.php/tools/getrandompoem" --data-raw 'lang=de' --compressed | ${pkgs.jq}/bin/jq -r .link)"
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poem_url="$lyrikline$random_route"
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poem_file="$(
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${pkgs.curl}/bin/curl -sSL "$poem_url" \
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| grep -o 'https://.*\.mp3' \
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| head -n1
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)"
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hash="$(echo "$poem_file" | md5sum | cut -d' ' -f 1)"
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echo "$poem_file ($hash) -> $poem_url"
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echo "$poem_url" > "${radioStore}/$hash"
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${mpcs.lyrikline}/bin/mpc-lyrikline add "$poem_file"
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done
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${mpcs.lyrikline}/bin/mpc-lyrikline play
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'';
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};
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systemd.services.lyrik = {
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after = [ "container@lyrik.service" ];
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wantedBy = [ "container@lyrik.service" ];
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preStart = "${mpcs.lyrik}/bin/mpc-lyrik crop || :";
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restartIfChanged = true;
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serviceConfig.User = config.users.extraUsers.radio.name;
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script =
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let
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invidious = "https://invidious.silkky.cloud";
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videoIds = import <niveum/lib/hot-rotation/lyrik.nix>;
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streams = lib.concatMapStringsSep "\n" (id: "${invidious}/latest_version?id=${id}&itag=251") videoIds;
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streamsFile = pkgs.writeText "hotrot" streams;
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in ''
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set -efu
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${mpcs.lyrik}/bin/mpc-lyrik add < ${toString streamsFile}
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${mpcs.lyrik}/bin/mpc-lyrik crossfade 5
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${mpcs.lyrik}/bin/mpc-lyrik random on
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${mpcs.lyrik}/bin/mpc-lyrik repeat on
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${mpcs.lyrik}/bin/mpc-lyrik play
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'';
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};
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services.nginx.virtualHosts."radio.kmein.de" = {
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enableACME = true;
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forceSSL = true;
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locations = lib.mkMerge (
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[
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{ "/".extraConfig = serveHtml (import ./station-list.nix { inherit pkgs lib stations; }) pkgs; }
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] ++ (lib.mapAttrsToList (name: station: {
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"= /${name}/status".proxyPass = "http://127.0.0.1:${toString htgenPort}";
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"= /${name}/listen.ogg".proxyPass = "http://127.0.0.1:${toString station.streamPort}";
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"= /${name}.ogg".return = "301 http://radio.xn--kiern-0qa.de/${name}/listen.ogg"; # legacy
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}) stations)
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);
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};
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}
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