def __is_sync_active(self):
"""
returns true when the sync is active
"""
# get lock path
path = self.__get_lockfile_path();
# check if path exists
result = self.__file_system.path_exists(path)
if result == False:
return result
# read pid from file
old_pid = None
pid_file = open(path, "r")
for line in pid_file.readlines():
old_pid = line
# close pid file
pid_file.close()
if old_pid is None or old_pid == "":
# empty file remove
self.__file_system.remove_file(path)
return False
# check if the pid still exists
return PidHelper.pid_exists(old_pid)
