next_free_workspace.py

"""Script to launch the specified command in the next available workspace."""

import i3ipc
import sys

# Potential workspaces to use
WORKSPACES = set((1, 2, 3, 4, 5, 6, 7, 8, 9, 10))

def main():
    i3c = i3ipc.Connection()
    active_ws = set([x['num'] for x in i3c.get_workspaces()])
    i3c.command('workspace number {}'.format(WORKSPACES.difference(active_ws).pop()))
    i3c.command('exec {}'.format(sys.argv[1]))
    
if __name__ == '__main__':
    main()