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@andialbrecht
Created January 11, 2014 15:52
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Weekend fun project. I've copied wlandevices.sh via FTP to my FritzBox, copied the other two scripts to my Raspberry and added a cron that runs fetch_wlanlist.py (sorry for the name) every 5 minutes. The script checks if known devices are close to the wlan router which is located in our living room and greets the (supposed) user with a warm welc…
#!/usr/bin/env python3
import json
import os
from urllib.request import urlopen
URL = 'http://api.openweathermap.org/data/2.5/weather?id=2953398&lang=de'
def fetch_weatherdata():
response = urlopen(URL)
return json.loads(response.read().decode('utf-8'))
def _format_temp(temp):
temp = temp - 273.15
temp = '{:.2}'.format(temp)
return temp.replace('.', ',')
def convert_to_text(data):
text = ['Das Wetter heute:']
text.append(data['weather'][0]['description'])
text.append('bei Temperaturen zwischen')
text.append(_format_temp(data['main']['temp_min']))
text.append('und')
text.append(_format_temp(data['main']['temp_max']))
text.append('Grad.')
return ' '.join(text)
if __name__ == '__main__':
text = convert_to_text(fetch_weatherdata())
os.system('espeak -v mb-de5 -s 100 "{}"'.format(text))
#!/usr/bin/env python3
import json
import os
import telnetlib
SERVER = 'fritz.box'
PASSWORD = 'secret'
# Location of wlandevices.sh on FritzBox
SCRIPT_PATH = '/var/media/ftp/Kingston-DataTraveler2-0-01/wlandevices.sh'
SCRIPT_DIR = os.path.dirname(__file__)
STATE_FILE = os.path.join(SCRIPT_DIR, 'wlan.state')
TRACKED_DEVICES = {
'00:00:00:00:00:00': 'andi',
'00:00:00:00:00:01': 'andi',
'00:00:00:00:00:02': 'andi',
}
def fetch_raw():
client = telnetlib.Telnet(SERVER)
try:
client.read_until(b'password: ')
client.write(PASSWORD.encode() + b'\n')
client.read_until(b'# ')
client.write(SCRIPT_PATH.encode() + b'\n')
client.read_until(b'\n')
return client.read_until(b'# ').decode()[:-2]
finally:
client.close()
def parse(raw):
parsed = {}
for line in raw.splitlines():
data = {}
for entry in line.split(' '):
key, value = entry.split('=', 1)
if key in ('state', 'speed', 'quality', 'wlandevice'):
value = int(value)
data[key] = value
mac = data.pop('mac')
parsed[mac] = data
return parsed
def retrieve_wlan_devices():
return parse(fetch_raw())
def read_state_file():
if not os.path.exists(STATE_FILE):
return {}
else:
with open(STATE_FILE, 'r') as f:
return json.load(f)
def save_state_file(state):
with open(STATE_FILE, 'w') as f:
json.dump(state, f)
def process_updates(oldstate, newstate):
old_users = oldstate.get('users', {})
old_devices = oldstate.get('devices', {})
new_users = {}
for mac in newstate:
old_quality = old_devices.get(mac, {'quality': 0})['quality']
if old_quality > 90:
continue
elif old_quality <= 90 and newstate[mac]['quality'] > 90:
user = TRACKED_DEVICES.get(mac, None)
if user is not None:
new_users[user] = True
for new_user in set(new_users).difference(set(old_users)):
greet_user(new_user)
return {'users': new_users, 'devices': newstate}
def greet_user(user):
os.system('espeak -v mb-de5 -s 100 "Hallo %s. Schön, dass du da bist."' % user)
if __name__ == '__main__':
prevstate = read_state_file()
newstate = retrieve_wlan_devices()
newstate = process_updates(prevstate, newstate)
save_state_file(newstate)
#!/bin/sh
i=0
count_devices=`ctlmgr_ctl r wlan settings/wlanlist/count`
while [ $i -lt $count_devices ]
do
device="wlandevice="$i
#for command in mac UID state speed rssi quality is_turbo is_guest is_ap ap_state mode wmm_active cipher powersave is_repeater channel freq flags flags_set
for command in mac state speed quality hostname
do
output="`ctlmgr_ctl r wlan settings/wlanlist$i/$command`"
device=$device" "$command"="$output
done
echo $device
let i="i + 1"
done
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