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import os
import subprocess
import tornado.web
import tornado.ioloop
import tornado.options
import tornado.process
import tornado.template
import tornado.httpserver
from tornado.options import define, options
define("port", default=8888, help="run on the given port", type=int)
STATUSES = {
'relay1': True, # Fan
'relay2': False, # Light
'relay3': False,
}
# for relay in STATUSES.keys():
# caller = subprocess.Popen(["ssh","admin@10.0.1.15",
# "cat /proc/power/{}".format(relay)], stdout=subprocess.PIPE)
# output = caller.communicate()[0]
# STATUSES[relay] = output.startswith("1")
class PowerStatusHandler(tornado.web.RequestHandler):
def get(self):
self.finish(STATUSES)
@tornado.web.asynchronous
def _trigger_relay(self, relay, value):
STATUSES[relay] = value
value = 1 if value is True else 0
tornado.process.Subprocess(["ssh","admin@10.0.1.15",
"echo {} > /proc/power/{}".format(value, relay)],
stdout=tornado.process.Subprocess.STREAM)
def post(self):
for key, value in self.request.arguments.items():
self._trigger_relay(key, value[0] == "on")
self.finish(STATUSES)
class IndexHandler(tornado.web.RequestHandler):
def get(self):
self.render("index.html")
class Application(tornado.web.Application):
def __init__(self):
handlers = [
(r"/power-status/?", PowerStatusHandler),
(r"/?", IndexHandler),
]
settings = dict(
template_path=os.path.join(os.path.dirname(__file__), "templates"),
static_path=os.path.join(os.path.dirname(__file__), "static"),
debug=True,
autoescape=None,
)
tornado.web.Application.__init__(self, handlers, **settings)
if __name__ == "__main__":
tornado.options.parse_command_line()
http_server = tornado.httpserver.HTTPServer(Application())
http_server.listen(options.port)
tornado.ioloop.IOLoop.instance().start()
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