slsk-batchdl/README.md

# slsk-batchdl

A batch downloader for Soulseek using Soulseek.NET. Accepts CSV files and Spotify or YouTube urls.

##### Download tracks from a csv file:
```
slsk-batchdl -i test.csv
```  
Use `--print tracks` before downloading to check if everything has been parsed correctly. The names of the columns should be: `Artist`, `Title`, `Album`, `Length`. Only the title column is required, but any additional info improves search.

##### Download spotify likes while skipping existing songs and creating an m3u file:
```
slsk-batchdl -i spotify-likes --m3u --skip-existing
```
You might need to provide an id and secret when using spotify (e.g when downloading a private playlist), which you can get here https://developer.spotify.com/dashboard/applications. Create an app, then select it and add `http://localhost:48721/callback` as a redirect url in the settings.  
  
##### Download the first 10 songs of a youtube playlist:
```
slsk-batchdl -n 10 -i "https://www.youtube.com/playlist?list=PLI_eFW8NAFzYAXZ5DrU6E6mQ_XfhaLBUX"
```
To include unavailable videos, you will need to provide an api key with `--youtube-key`. Get it here https://console.cloud.google.com. Create a new project, click "Enable Api" and search for "youtube data", then follow the prompts.  

##### Search & download a specific song, preferring high quality:
```
slsk-batchdl -i "title=MC MENTAL @ HIS BEST,length=242" --pref-format "flac,wav"
```  
  
##### Find an artist's songs which aren't in your library:
```
slsk-batchdl -i "artist=MC MENTAL" -a --print tracks --skip-existing --music-dir "path\to\music"
```

### Options:
```
Usage: slsk-batchdl -i <input> [OPTIONS]

  -i --input <input>             <input> is one of the following:

                                 Spotify playlist url or "spotify-likes": Download a spotify
                                 playlist or your liked songs. --spotify-id and
                                 --spotify-secret may be required in addition.

                                 Youtube playlist url: Download songs from a youtube playlist.
                                 Provide a --youtube-key to include unavailabe uploads.

                                 Path to a local CSV file: Use a csv file containing track
                                 info to download. The names of the columns should be Artist,
                                 Title, Album, Length. Only the title column is required, but
                                 any extra info improves search results.

                                 String for the track, album, or artist to search for:
                                 Can either be any typical search text like "Artist - Title"
                                 or a comma-separated list like "title=Song,artist=Artist"
                                 Available fields: title, artist, album, length (in seconds).

Options:
  --user <username>              Soulseek username
  --pass <password>              Soulseek password

  --spotify                      Input is a spotify url (override automatic parsing)
  --spotify-id <id>              spotify client ID (required for private playlists)
  --spotify-secret <secret>      spotify client secret (required for private playlists)

  --youtube                      Input is a youtube url (override automatic parsing)
  --youtube-key <key>            Youtube data API key

  --csv                          Input is a path to a local CSV (override automatic parsing)
  --time-format <format>         Time format in Length column of the csv file (e.g h:m:s.ms
                                 for durations like 1:04:35.123). Default: s (seconds)
  --yt-parse                     Enable if the csv file contains YouTube video titles and
                                 channel names; attempt to parse them into proper title and
                                 artist. If the the csv contains an "ID", "URL", or
                                 "Description" column then those will be used for parsing as
                                 well.

  --string                       Input is a search string (override automatic parsing)
  -a --aggregate                 Instead of downloading a single track matching the search
                                 string, find and download all distinct songs associated with
                                 the provided artist, album, or track title. Search string must
                                 be a list of properties.
 --min-users-aggregate <num>     Minimum number of users sharing a track before it is
                                 downloaded in aggregate mode. Setting it to 2 or more will
                                 significantly reduce false positives, but may introduce false
                                 negatives. Default: 1

  -p --path <path>               Where to place downloaded files
  -f --folder <name>             Subfolder name
  -n --number <maxtracks>        Download the first n tracks of a playlist
  -o --offset <offset>           Skip a specified number of tracks
  --reverse                      Download tracks in reverse order
  --remove-from-playlist         Remove downloaded tracks from playlist (spotify only)
  --name-format <format>         Name format for downloaded tracks, e.g "{artist} - {title}"
  --m3u                          Create an m3u8 playlist file

  --format <format>              Accepted file format(s), comma-separated
  --length-tol <tol>             Length tolerance in seconds (default: 3)
  --min-bitrate <rate>           Minimum file bitrate
  --max-bitrate <rate>           Maximum file bitrate
  --max-samplerate <rate>        Maximum file sample rate
  --strict-title                 Only download if filename contains track title
  --strict-artist                Only download if filepath contains track artist
  --banned-users <list>          Comma-separated list of users to ignore
  --danger-words <list>          Comma-separated list of words that must appear in either
                                 both search result and track title or in neither of the
                                 two. Case-insensitive. (default:"mix, edit, dj, cover")
  --pref-format <format>         Preferred file format(s), comma-separated (default: mp3)
  --pref-length-tol <tol>        Preferred length tolerance in seconds (default: 3)
  --pref-min-bitrate <rate>      Preferred minimum bitrate (default: 200)
  --pref-max-bitrate <rate>      Preferred maximum bitrate (default: 2200)
  --pref-max-samplerate <rate>   Preferred maximum sample rate (default: 96000)
  --pref-strict-title            Prefer download if filename contains track title
  --pref-strict-artist           Prefer download if filepath contains track artist
  --pref-banned-users <list>     Comma-separated list of users to deprioritize
  --pref-danger-words <list>     Comma-separated list of words that should appear in either
                                 both search result and track title or in neither of the
                                 two.

  -s --skip-existing             Skip if a track matching file conditions is found in the
                                 output folder or your music library (if provided)
  --skip-mode <mode>             Sets the way the program checks if a track exists
                                 name: Use only filenames
                                 name-precise (default): Use filenames and check conditions
                                 tag: Use file tags (slower)
                                 tag-precise: Use file tags and check file conditions
  --music-dir <path>             Specify to skip downloading tracks found in a music library
                                 use with --skip-existing
  --skip-not-found               Skip searching for tracks that weren't found on Soulseek
                                 during the last run.
  --remove-ft                    Remove "ft." or "feat." and everything after from the
                                 track names before searching.
  --remove-brackets              Remove text in square brackets from track names before
                                 searching.
  --no-artist-search             Perform a search without artist name if nothing was
                                 found. Only use for sources such as youtube or soundcloud
                                 where the "artist" could just be an uploader.
  --artist-search                Also try to find track by searching for the artist only
  --no-regex-search <reg>        Perform an additional search without a regex pattern
  --no-diacr-search              Perform an additional search without diacritics
  -d --desperate                 Equivalent to enabling all additional searches, slower.
  --yt-dlp                       Use yt-dlp to download tracks that weren't found on
                                 Soulseek. yt-dlp must be available from the command line.

  --config <path>                Specify config file location
  --search-timeout <ms>          Max search time in ms (default: 6000)
  --max-stale-time <ms>          Max download time without progress in ms (default: 50000)
  --concurrent-processes <num>   Max concurrent searches & downloads (default: 2)
  --display <option>             Changes how searches and downloads are displayed.
                                 single (default): Show transfer state and percentage.
                                 double: Also show a progress bar.
                                 simple: Only printing

  --print <option>               Only print tracks or results instead of downloading.
                                 tracks: Print all tracks to be downloaded
                                 tracks-full: Print extended information about all tracks
                                 results: Print search results satisfying file conditions
                                 results-full: Print search results including full paths
```
Files not satisfying the conditions will not be downloaded. For example, `--length-tol` is set to 3 by default, meaning that files whose duration differs from the supplied duration by more than 3 seconds will not be downloaded (disable it by setting it to 99999).  
Files satisfying `pref-` conditions will be preferred. For example, setting `--pref-format "flac,wav"` will make it download high quality files if they exist and only download low quality files if there's nothing else.
  
Configuration files: Create a file named `slsk-batchdl.conf` in the same directory as the executable and write your arguments there, e.g:
```
--username "fakename"
--password "fakepass"
--pref-format "flac"
```  
  
### Notes:
- The CSV file must use `"` as string delimiter and be encoded with UTF8
- `--display single` and especially `double` can cause the printed lines to be duplicated or overwritten on some configurations. Use `simple` if that's an issue.