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#!/usr/bin/python
import urllib
import contextlib
import json
import time
import os
class SublabStatus(object):
json = None
def get_json(self):
if self.json is not None:
return self.json
with contextlib.closing(urllib.urlopen('http://beaglebone.local.sublab.org/')) as response:
self.json = json.load(response)
return self.json
def door_status(self):
try:
self.get_json()
except Exception:
return 'unkown'
door_status = self.json['door.lock']
if door_status['ts'] + 120 < time.time():
return 'unknown'
if not door_status['value']:
return 'open'
else:
return 'closed'
if __name__ == '__main__':
s = SublabStatus()
if s.door_status() == 'open':
colors = ('#0f0', '#222', 'status-open.png')
elif s.door_status() == 'closed':
colors = ('#222', '#f00', 'status-closed.png')
else:
colors = ('#222', '#222', 'status-unknown.png')
css = '''
span.sublabopen {
color: %s;
}
span.sublabclosed {
color: %s;
}
#statusimage {
background: url(../img/%s) ;
height: 100px;
width: 100px;
position: absolute;
right: 20px;
}
''' % colors
path = os.path.realpath(os.path.dirname(__file__))
path = os.path.join(path, '..', 'public', 'css', 'sublab.status.css')
path_new = path + '.new'
with open(path_new, 'w') as css_file:
css_file.write(css)
os.rename(path_new, path)
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