def process_args(args):
from blaplay.blautil import bladbus
# FIXME: bladbus needs to be treated differently
global cli_queue
# Print information about the current track.
if args["format"]:
bladbus.query_bus(args["format"][0])
# Parse URIs given on the command-line.
if args["URI"]:
if args["append"]:
action = "append"
elif args["new"]:
action = "new"
else:
action = "replace"
def normpath(uri):
return os.path.normpath(os.path.abspath(uri))
# TODO: make cli_queue a FIFO we write to here. then connect a handler
# which monitors the FIFO in the main thread and adds tracks as
# they arrive
isfile = os.path.isfile
cli_queue = (action, filter(isfile, map(normpath, args["URI"])))
else:
cli_queue = ("raise_window", None)
# Player commands
for cmd in ["play_pause", "stop", "next", "previous"]:
if args[cmd]:
bladbus.query_bus(cmd)
raise
# We use a lock file to ensure blaplay operates as singleton. However, the
# lock is only valid as long as the file descriptor is alive. That's why we
# need to keep it open (and referenced) which is why we assign it to a
# global.
global lock_file
lock_file = open(blaconst.PIDFILE, "w")
try:
fcntl.lockf(lock_file, fcntl.LOCK_EX | fcntl.LOCK_NB)
except IOError:
print_i("%s is already running" % blaconst.APPNAME)
from blaplay.blautil import bladbus
global cli_queue
try:
bladbus.query_bus(*cli_queue)
except TypeError:
pass
else:
cli_queue = None
raise SystemExit
lock_file.write(str(os.getpid()))
def main():
init_signals()
args = parse_args()
init_logging(args)
process_args(args)
