def load_db():
device_list = []
import appdirs, os
app_dir = appdirs.user_data_dir('transmission-manager')
db_file = os.path.join(app_dir,"device_list")
if os.path.exists( db_file ):
with open(db_file, 'r') as df:
db_lines = df.readlines()
from device import Device
for db_line in db_lines:
d = Device()
d.from_string(db_line)
device_list.append(d)
return device_list
