mirror of
https://github.com/transmission/transmission
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50 lines
3.4 KiB
Markdown
50 lines
3.4 KiB
Markdown
# Transmission scripts
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## Introduction
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Thanks to the powerful [RPC](./rpc-spec.md), `transmission-remote` can talk to any client that has the RPC enabled. This means that a script written using `transmission-remote` or [RPC](./rpc-spec.md) can, without rewrite, communicate with all the Transmission clients: Mac, Linux, Windows, and headless.
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macOS users may wonder whether there will be AppleScript scripts, the answer is ''no''. Although AppleScript is a nice technology, it's a pain to implement. However, macOS is a Unix after all, so any script you find here will also work on macOS. Even from within AppleScript, you can run these scripts by typing: `do shell script "path/to/script"`.
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## How-To
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If you are interested at writing scripts for Transmission, have a look at the following pages:
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* [Configuration Files](Configuration-Files.md)
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* [Editing Configuration Files](Editing-Configuration-Files.md)
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* [Environment Variables](Environment-Variables.md)
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* [RPC Protocol Specification](rpc-spec.md)
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For those who need more information how to use the scripts, have a look at the following links:
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* [Cron How-To](https://help.ubuntu.com/community/CronHowto ): Run scripts at a regular interval
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## Scripts
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### On torrent completion
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Transmission can be set to invoke a script when downloads complete. The environment variables supported are:
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* `TR_APP_VERSION` - Transmission's short version string, e.g. `4.0.0`
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* `TR_TIME_LOCALTIME`
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* `TR_TORRENT_BYTES_DOWNLOADED` - Number of bytes that were downloaded for this torrent
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* `TR_TORRENT_DIR` - Location of the downloaded data
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* `TR_TORRENT_HASH` - The torrent's info hash
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* `TR_TORRENT_ID`
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* `TR_TORRENT_LABELS` - A comma-delimited list of the torrent's labels
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* `TR_TORRENT_NAME` - Name of torrent (not filename)
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* `TR_TORRENT_TRACKERS` - A comma-delimited list of the torrent's trackers' announce URLs
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[Here is an example script](https://trac.transmissionbt.com/browser/trunk/extras/send-email-when-torrent-done.sh) that sends an email when a torrent finishes.
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### Obsolete
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Functionality of these scripts has been implemented in libtransmission and is thus available in all clients.
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* [Email Notification Script](https://github.com/transmission/transmission/blob/main/extras/send-email-when-torrent-done.sh)
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## contrib/scripts
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Tomas Carnecky (aka wereHamster) is maintaining a set of scripts in his [GitHub repository](https://github.com/wereHamster/transmission/tree/master/contrib/scripts/ ).
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Falk Husemann (aka hxgn) is maintaining scripts in his [blog](https://falkhusemann.de/category/tcp_ip/transmission-tcp_ip/).
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Oguz wrote [on his blog](https://oguzarduc.blogspot.com/2012/05/transmission-quit-script-in-php.html) a PHP script to stop Transmission after it finishes downloading and seeding.
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Scripts which have not yet been ported and may not work with the latest version:
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* https://pastebin.com/QzVxQDtM: Bash - (cron)script to keep a maximum number of torrents running; starting and pausing torrents as necessary
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* https://github.com/jaboto/Transmission-script - (cron)script set network limits according to the number of clients in the network
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## Security with systemd
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`transmission-daemon`'s packaging has many permissions disabled as a standard safety measure. If your script needs more permissions than are provided by the default, users have [reported](https://github.com/transmission/transmission/issues/1951) that it can be resolved by changing to `NoNewPrivileges=false` in `/lib/systemd/system/transmission-daemon.service`.
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