Newer
Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
import re
import requests
import xml.etree.ElementTree as ET
from datetime import datetime
from pystache import render
from time import sleep
CITY = 'Braunschweig';
STOPS = ['Ludwigstraße', 'Hamburger Straße'];
ENTRIES = 6;
def run(emit, log_err):
templates = dict()
for name in ['inner','outer']:
with open('modules/bus/{}.mustache'.format(name), 'r') as f:
templates[name] = f.read()
emit(render(templates['outer'], [normalize_stop(s) for s in STOPS]))
while True:
for stop in STOPS:
try:
ns = normalize_stop(stop)
deps = get_data(stop, ENTRIES)
ctx = {'stop': stop, 'normalizedStop': ns, 'deps': deps}
emit(render(templates['inner'], ctx), outlet=ns)
except Exception as e:
log_err(e)
sleep(60)
def fetch_data(stop):
url = "http://62.154.206.87/efaws2/default/XML_DM_REQUEST?sessionID=0&requestID=0&language=de&useRealtime=1&coordOutputFormat=WGS84[DD.ddddd]&locationServerActive=1&mode=direct&dmLineSelectionAll=1&depType=STOPEVENTS&useAllStops=1&command=null&type_dm=stop&name_dm={} {}&mId=efa_rc2".format(CITY, stop);
r = requests.get(url)
return r.text
def get_data(stop, count):
t = ET.fromstring(fetch_data(stop))
deps = t.find('itdDepartureMonitorRequest').find('itdDepartureList')
out = []
for dep in list(deps)[:count]:
line = dep.find('itdServingLine')
time = dep.find('itdDateTime').find('itdTime')
out.append({
'line': line.get('symbol'),
'renderedLine': render_line(line.get('symbol')),
'dir': line.get('direction').replace(CITY, '').strip(),
'platform': dep.get('platform'),
'hour': time.get('hour').zfill(2),
'minute': time.get('minute').zfill(2)
})
return out
def render_line(line):
image = ''
if len(line) < 3:
image = 'tram.svg'
else:
image = 'bus.svg'
return '<img src="/modules/bus/{}"> {}'.format(image, line)
def normalize_stop(stop):
return re.sub('[^a-zA-Z0-9_]', '', stop)