def update_hooks(pid_file, pids):
pids = ' '.join(pids)
command = command_template + pids
pid_file.seek(0)
pid_file.truncate()
pid_file.write(pids)
pid_file.flush()
for event in events:
if pids:
tmux_util.register_hook(event, command)
else:
tmux_util.unregister_hook(event)
def setup_tmux_hooks():
"""Registers tmux hooks which are
required to notice a change in the visibility
of the pane this program runs in.
Also it's required to notice new tmux clients
displaying our pane.
Returns:
function which unregisters the registered hooks
"""
events = ('client-session-changed', 'session-window-changed',
'pane-mode-changed')
command = 'kill -USR1 ' + str(os.getpid())
for event in events:
tmux_util.register_hook(event, command)
def remove_hooks():
"""Removes the hooks registered by the outer function."""
for event in events:
tmux_util.unregister_hook(event)
return remove_hooks
