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I have written a shutdown script for transmission. Transmission calls the script after a torrent download finishes. The script runs perfectly on my machine (Ubuntu 11.04 & 12.04).

#!/bin/bash
sleep 300s

# default display on current host
DISPLAY=:0.0

# find out if monitor is on. Default timeout can be configured from screensaver/Power configuration.

STATUS=`xset -display $DISPLAY -q | grep 'Monitor'`
echo $STATUS

if [ "$STATUS" == "  Monitor is On" ]

###  Then check if  its still downloading a torrent. Couldn't figure out how.(May be) by monitoring network downstream activity? 

then

    notify-send "Downloads Complete" "Exiting  transmisssion now"
    pkill transmission

else
    notify-send "Downloads Complete" "Shutting Down Computer"
    dbus-send --session --type=method_call --print-reply --dest=org.gnome.SessionManager /org/gnome/SessionManager org.gnome.SessionManager.RequestShutdown

fi

exit 0

The problem is that when I'm downloading more than one file, when the first one finishes, transmission executes the script. I would like to do that but after all downloads are completed.

I want to put a 2nd check ( right after monitor check) if it is still downloading another torrent.

Is there any way to do this?

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2 Answers

up vote 3 down vote accepted

This information isn't passed to the scripts via environment variables, so you'll need to query Transmission's RPC interface. This is sometimes done by client libraries -- for example, a Python script could use python transmissionrpc. There are other interfaces like this listed at http://www.transmissionbt.com/resources/ .

Here's a quick approach that will use transmission-remote to count the number of non-idle downloads:

transmission-remote yourhost:yourport -tall --info | grep "^  State:" | grep "Down" | wc --lines

If you want to include idle downloads too, you could try this:

transmission-remote yourhost:yourport -l | grep -v -e " 100% " -e "^Sum" -e "^ID" -e " Stopped " | wc --lines

Where "^ID" and "^Sum" strips the header and footer; " 100% " strips completed torrents; and " Stopped " strips out the incomplete-but-paused torrents. This approach isn't foolproof -- for example, a torrent named " 100% Stopped " would break it.

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Thanks for the python transmission link.I will look into it. –  Khurshid Alam Oct 19 '12 at 15:20
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I created a better script(from user98677 advice) which takes advantage of transmission's RPC Interface.

Code:

Github Gist: https://gist.github.com/khurshid-alam/6474227

What it Does?

  1. Pause or remove completed torrents after they are completed.

  2. Send a pushover notification (with curl)[optional]

  3. Send a twitter notification (requires twidge)[optional]

  4. Suspend/Shutdown Computer OR leave it as it is.

Pushover Notification From Transmission

Screenshot


Setup

On Ubuntu

sudo apt-get install libnotify-bin
sudo apt-get install transmission-cli

On Ubuntu >= 13.04 (For twitter notification):

sudo add-apt-repository ppa:moorhen-core/moorhen-apps
sudo apt-get install twidge

For suspend action on non-Ubuntu distro (Ubuntu uses Upower) install powermanagement-interface package

sudo apt-get install powermanagement-interface

After installation:

  1. Get the code from github-gist & save the file as trsm anywhere on your hard-drive. Make the file executable chmod a+x trsm .

  2. Login to pushover & copy your user key. Paste it under user-key in the script.

  3. If you want notifications send with nice looking application (transmission) icon just create a fake app in pushover with transmission icon & then copy the application key (API/Token key) & paste it under app-key in the script.

  4. For twitter setup see twidge documentation.

  5. Open transmission. Go to preference->web. Enable web client (default port 9091) & enable user authentication . Choose a username & password. Put that username & password in the script as username & password respectively.

  6. Click open web-client to check if it is working properly.

  7. Finally save the script & go to downloading tab (in transmission preference) & click call script when torrent is complete. Select the respective script.


Script

#!/bin/bash


user-key=" "  #put your pushover user-key
app-key=" "  #put your pushover application-key
device=" "    #Your device name in pushover

username=" "  # Transmission remote username
password=" "   # Transmission remote password



sleep 100s

# default display on current host
DISPLAY=:0.0

# authorize transmission
trsm="transmission-remote --auth $username:$password"

# find out number of torrent

TORRENTLIST=`$trsm --list | sed -e '1d;$d;s/^ *//' | cut --only-delimited --delimiter=' ' --fields=1`

for TORRENTID in $TORRENTLIST
do
 echo "* * * * * Operations on torrent ID $TORRENTID starting. * * * * *"

 #echo $TORRENTID

 DL_COMPLETED=`$trsm --torrent $TORRENTID --info | grep "Percent Done: 100%"`

 #echo $DL_COMPLETED

# pause completed torrents & get those torrent names.

 if [ "$DL_COMPLETED" != "" ]; then
  $trsm --torrent $TORRENTID --stop
  trname=`$trsm --torrent $TORRENTID --info | grep "Name:" | awk -F: '{print $NF}'`

  # post an update to twitter

  echo "$trname download was completed" | twidge update  # Put "#" if you don't need this.

  # push update for pushover

  curl -s \
    -F "token=$user-key" \
    -F "user=$app-key" \
  # -F "device=$device" \  # uncomment, if you want to send notification to a particular device.
    -F "title=Download Finished" \
    -F "message=$trname download has completed." \
    http://api.pushover.net/1/messages > /dev/null

  # The following codes works assuming One take advantage of gnome-power-manager by setting "black screen after 2/5/10/.. minitues ". 
  # if monitor(Including laptop screen but EXCLUDING external monitor) is on, it will  just force blank the screen, if not, it will shutdown/suspend or leave it as it is.
  # Modify it as per your requirement.

  STATUS=`xset -display $DISPLAY -q | grep 'Monitor'`
  #echo $STATUS

  if [ "$STATUS" == "  Monitor is On" ]
  then
      notify-send "Downloads Complete" "turning off the screen now"
          xset dpms force off

  else
      notify-send "Downloads Complete" "$trname"

        # uncomment to shutdown the computer
        #dbus-send --session --type=method_call --print-reply --dest=org.gnome.SessionManager /org/gnome/SessionManager org.gnome.SessionManager.RequestShutdown

        # uncomment to suspend (on ubuntu)
        #dbus-send --system --print-reply --dest="org.freedesktop.UPower" /org/freedesktop/UPower org.freedesktop.UPower.Suspend

        # uncomment to suspend (on Linux) (requires powermanagement-interface package)
        #pmi action suspend

 else
  echo "Torrent #$TORRENTID is not completed. Ignoring."
 fi

done
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