def prepare_ctrl():
# scene shutdown
s_shutdown = Scene(_id=SHUTDOWN)
# scene reboot
s_reboot = Scene(_id=REBOOT)
# scene reboot
s_exit = Scene(_id=EXIT)
# scene 0
def s0_draw(state, disp):
disp.gen_random_splash()
s0 = Scene(draw_func=s0_draw, line_mode=False, refresh_interval=1)
# scene 1
def s1_init(state):
state['counter'] = 0
def s1_draw(state, disp):
if state['counter'] % 10 != 0:
return
def pl(line):
disp.putline(line, mode='scroll')
ip_lines = utils.get_ip_lines()
for line in ip_lines:
if not line:
continue
if line.startswith('lo '):
continue
pl(line)
pl('')
cpu_load_line = utils.get_cpu_load_line()
pl(cpu_load_line)
cpu_temp_line = utils.get_cpu_temp_line()
pl(cpu_temp_line)
mem_line = utils.get_mem_line()
pl(mem_line)
disk_line = utils.get_disk_line()
pl(disk_line)
s1 = Scene(draw_func=s1_draw, init_func=s1_init, refresh_interval=0.5)
# scene 2
def s2_init(state):
conns = utils.get_saved_connections()
conns.sort(key=itemgetter('up', 'name'))
state['conns'] = conns
state['selected'] = 0
def s2_draw(state, disp):
conns = state['conns']
selected = state['selected']
conn_lines = [str(conn['up']) + ' ' + conn['name'] for conn in conns]
lines = ['cancel'] + conn_lines + ['new connection']
if selected >= disp.line_num:
start = selected - disp.line_num + 1
end = selected + 1
else:
start = 0
end = disp.line_num
on_screen_lines = lines[start:end]
for idx, line in enumerate(on_screen_lines):
if start + idx == state['selected']:
inverted = True
mode = 'scroll'
else:
inverted = False
mode = 'truncate'
disp.putline(line, inverted=inverted, mode=mode)
s2 = Scene(init_func=s2_init, draw_func=s2_draw, refresh_interval=0.3)
# scene 3
def s3_init(state):
state['selected'] = 0
state['idx2opt'] = dict(enumerate(['cancel', 'shutdown', 'reboot']))
state['handlers'] = {}
def s3_draw(state, disp):
selected = state['selected']
idx2opt = state['idx2opt']
disp.putline('')
for idx in sorted(idx2opt.keys()):
opt = idx2opt[idx]
inverted = True if selected == idx else False
disp.putline(opt, inverted=inverted)
disp.putline('')
disp.putline('F1: Confirm')
disp.putline('F3: Cycle opts')
s3 = Scene(init_func=s3_init, draw_func=s3_draw)
# scene 4 add wifi ap
def s4_init(state):
state['selected'] = 0
aps = utils.get_wifi_aps()
faps = [ap for ap in aps if ap['in_use'] == 0]
faps.sort(key=itemgetter('strength', 'ssid'), reverse=True)
state['aps'] = faps
def s4_draw(state, disp):
aps = state['aps']
selected = state['selected']
def format_strenght(n):
return str(n) if n < 100 else '??'
ap_lines = [
format_strenght(ap['strength']) + ' ' + ap['ssid'] for ap in aps
]
lines = ['cancel'] + ap_lines
if selected >= disp.line_num:
start = selected - disp.line_num + 1
end = selected + 1
else:
start = 0
end = disp.line_num
on_screen_lines = lines[start:end]
for idx, line in enumerate(on_screen_lines):
if start + idx == state['selected']:
inverted = True
mode = 'scroll'
else:
inverted = False
mode = 'truncate'
disp.putline(line, inverted=inverted, mode=mode)
s4 = Scene(init_func=s4_init, draw_func=s4_draw)
# s0 keymap
s0.add_keymap_entries(
(1, s1),
(2, s2),
(3, s3),
)
# s1 keymap
s1.add_keymap_entries(
(1, s0),
(2, s2),
(3, s3),
)
# s2 keymap
def s2_key1_handler(state):
selected = state['selected']
conns = state['conns']
conn_num = len(conns)
if selected == 0:
# 'cancel' -> s0
new_scene = s0
elif selected == conn_num + 1:
# 'new connection' -> new connection scene
new_scene = ('push', s4)
else:
selected_conn = conns[selected - 1]
up = selected_conn['up']
uuid = selected_conn['uuid']
if up == 0:
action = 'up'
else:
action = 'down'
cmd_tmpl = 'nmcli connection %s uuid %s'
cmd = cmd_tmpl % (action, uuid)
code, msg = utils.run_cmd_with_timeout(cmd, 15)
new_scene = None
return (new_scene, [])
def s2_key2_handler(state):
selected = state['selected']
conns = state['conns']
conn_num = len(conns)
state['selected'] = (selected + 1) % (conn_num + 2)
s2.add_keymap_entries(
(1, s2_key1_handler),
(2, s2_key2_handler),
(3, s3),
)
# s3 keymap
# exec option
def s3_key1_handler(state):
selected = state['selected']
idx2opt = state['idx2opt']
selected_opt = idx2opt[selected]
if selected_opt == 'cancel':
new_scene = s0
elif selected_opt == 'reboot':
new_scene = s_reboot
else:
new_scene = s_shutdown
return (new_scene, [])
s3.add_keymap_entry(1, s3_key1_handler)
# cycle through options
def s3_key3_handler(state):
selected = state['selected']
opt_num = len(state['idx2opt'])
state['selected'] = (selected + 1) % opt_num
s3.add_keymap_entry(3, s3_key3_handler)
s3.add_keymap_entries((2, s2), )
# s4 keymap
# create a new scene for connect to certain ap
def create_ap_connect_scene(ssid):
cmd_tmpl = 'nmcli device wifi connect "%s" password "%s"'
message = 'input password for %s' % ssid
def input_finish_func(s, status, state):
if status == 'cancel':
return (popme, [])
elif status == 'confirmed':
passwd = s
cmd = cmd_tmpl % (ssid, passwd)
utils.run_cmd_with_timeout(cmd, 100)
return (s2, [])
apc_scene = KbInputScene(input_finish_func,
message=message,
password=True)
return apc_scene
def s4_key1_handler(state):
selected = state['selected']
aps = state['aps']
ap_num = len(aps)
if selected == 0:
# 'cancel' -> back to previous scene
new_scene = popme
else:
selected_ap = aps[selected - 1]
selected_ssid = selected_ap['ssid']
new_scene = create_ap_connect_scene(selected_ssid)
new_scene = ('push', new_scene)
return (new_scene, [])
# cycle through options
def s4_key2_handler(state):
selected = state['selected']
aps = state['aps']
ap_num = len(aps)
state['selected'] = (selected + 1) % (ap_num + 1)
s4.add_keymap_entries(
(1, s4_key1_handler),
(2, s4_key2_handler),
(3, s3),
)
ctrl = OLEDCtrl(init_scene=s0)
return ctrl
def prepare_ctrl():
# scene shutdown
s_shutdown = Scene(_id=SHUTDOWN)
# scene reboot
s_reboot = Scene(_id=REBOOT)
# scene reboot
s_exit = Scene(_id=EXIT)
# scene 0
def s0_draw(state, disp):
disp.gen_random_splash()
s0 = Scene(draw_func=s0_draw, line_mode=False, refresh_interval=1)
# scene 1
def s1_init(state):
state['counter'] = 0
def s1_draw(state, disp):
if state['counter'] % 10 != 0:
return
def pl(line):
disp.putline(line, mode='scroll')
ip_lines = utils.get_ip_lines()
for line in ip_lines:
if not line:
continue
if line.startswith('lo '):
continue
pl(line)
pl('')
cpu_load_line = utils.get_cpu_load_line()
pl(cpu_load_line)
cpu_temp_line = utils.get_cpu_temp_line()
pl(cpu_temp_line)
mem_line = utils.get_mem_line()
pl(mem_line)
disk_line = utils.get_disk_line()
pl(disk_line)
s1 = Scene(draw_func=s1_draw, init_func=s1_init, refresh_interval=0.5)
# scene 2
def s2_draw(state, disp):
disp.putline('2 pressed')
disp.putline('2 pressed', inverted=True)
s2 = Scene(draw_func=s2_draw)
# scene 3
def s3_init(state):
state['selected'] = 0
state['idx2opt'] = dict(enumerate(['cancel', 'shutdown', 'reboot']))
state['handlers'] = {}
def s3_draw(state, disp):
selected = state['selected']
idx2opt = state['idx2opt']
disp.putline('')
for idx in sorted(idx2opt.keys()):
opt = idx2opt[idx]
inverted = True if selected == idx else False
disp.putline(opt, inverted=inverted)
disp.putline('')
disp.putline('F1: Confirm')
disp.putline('F3: Cycle opts')
s3 = Scene(init_func=s3_init, draw_func=s3_draw)
# s0 keymap
s0.add_keymap_entries(
(1, s1),
(2, s2),
(3, s3),
)
# s1 keymap
s1.add_keymap_entries(
(1, s0),
(2, s2),
(3, s3),
)
# s2 keymap
s2.add_keymap_entries(
(1, s1),
(2, None),
(3, s3),
)
# s3 keymap
# exec option
def s3_key1_handler(state):
selected = state['selected']
idx2opt = state['idx2opt']
selected_opt = idx2opt[selected]
if selected_opt == 'cancel':
new_scene = s0
elif selected_opt == 'reboot':
new_scene = s_reboot
else:
new_scene = s_shutdown
return (new_scene, [])
s3.add_keymap_entry(1, s3_key1_handler)
# cycle through options
def s3_key3_handler(state):
selected = state['selected']
opt_num = len(state['idx2opt'])
state['selected'] = (selected + 1) % opt_num
s3.add_keymap_entry(3, s3_key3_handler)
s3.add_keymap_entries((2, s2), )
ctrl = OLEDCtrl(init_scene=s0)
return ctrl