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start subserver webapp with websockets, cyclone, jade, coffee Ignore-this: d0e47882e0f3edb2bcea660e612d364
author drewp@bigasterisk.com
date Mon, 10 Jun 2013 23:03:57 +0000
parents 6a4e99505164
children 8b95d2865643
comparison
equal deleted inserted replaced
918:124f4647179f 919:33a5a98e9bf1
1 # keep the database of submasters, and mix up the current client 1 #!bin/python
2 # requests into dmx levels for dmxserver 2 """
3 live web display of all existing subs with pictures, mainly for
4 dragging them into CC
5 """
6 from run_local import log
7 from twisted.internet import reactor
8 import twisted.internet.error
9 import sys, optparse, logging, json, os, subprocess
10 import cyclone.web, cyclone.httpclient, cyclone.websocket
11 from light9.rdfdb.syncedgraph import SyncedGraph
12 import pyjade.utils
3 13
4 class SubServe: 14 try:
5 """call the server with these messages""" 15 import sys
16 sys.path.append("../homeauto/lib")
17 sys.path.append("/home/drewp/projects/homeauto/lib")
18 from cycloneerr import PrettyErrorHandler
19 except ImportError:
20 class PrettyErrorHandler(object):
21 pass
22
23 liveClients = set()
24 def sendToLiveClients(d=None, asJson=None):
25 j = asJson or json.dumps(d)
26 for c in liveClients:
27 c.sendMessage(j)
28
29 class Live(cyclone.websocket.WebSocketHandler):
30 def connectionMade(self, *args, **kwargs):
31 log.info("websocket opened")
32 liveClients.add(self)
33 self.settings.onNewClient()
34
35 def connectionLost(self, reason):
36 log.info("websocket closed")
37 liveClients.remove(self)
38
39 def messageReceived(self, message):
40 log.info("got message %s" % message)
41 self.sendMessage(message)
42
43 class Static(PrettyErrorHandler, cyclone.web.StaticFileHandler):
44 # .xhtml pages can be get() without .xhtml on them
45 def get(self, path, *args, **kw):
46 if path == '':
47 return self.respondStaticJade("light9/subserver/index.jade")
48
49 if path == 'gui.js':
50 return self.responseStaticCoffee('light9/subserver/gui.coffee')
51
52 oddlyPlaced = {
53 "websocket.js": "light9/rdfdb/web/websocket.js",
54 "jquery-1.7.2.min.js": "light9/rdfdb/web/lib/jquery-1.7.2.min.js",
55 }
56 if path in oddlyPlaced:
57 self.write(open(oddlyPlaced[path]).read())
58 return
59
60 cyclone.web.StaticFileHandler.get(self, path, *args, **kw)
61
62 def respondStaticJade(self, src):
63 html = pyjade.utils.process(open(src).read())
64 self.write(html)
65
66 def responseStaticCoffee(self, src):
67 self.write(subprocess.check_output([
68 '/usr/bin/coffee', '--compile', '--print', src]))
69
70 if __name__ == "__main__":
71 parser = optparse.OptionParser()
72 parser.add_option("-v", "--verbose", action="store_true",
73 help="logging.DEBUG")
74 (options, args) = parser.parse_args()
75
76 log.setLevel(logging.DEBUG if options.verbose else logging.INFO)
77
78 graph = SyncedGraph("subserver")
79
80 d = {}
81 def updateSubs():
82 d.clear()
83 d.update({'subs':['a', 'b']})
84 sendToLiveClients(d=d)
85 def onNewClient():
86 sendToLiveClients(d=d)
87
88 graph.addHandler(updateSubs)
6 89
7 def allSubs(self):
8 """list of all the known subs"""
9
10 def output(self,levels):
11 """pass a dict of {sub : level} mappings"""
12
13 def editsub
14
15
16 class SubClient:
17 """each client can receive these messages"""
18 90
19 def subAdded(self,newsub): 91 port = 8052
20 """sub was just added to the db""" 92 reactor.listenTCP(port, cyclone.web.Application(handlers=[
21 93 (r'/live', Live),
22 def subRemove(self,pastsub): 94 (r'/(.*)', Static,
23 """this sub is about to be removed from the db""" 95 {"path" : "light9/subserver",
24 96 "default_filename" : "index.jade"}),
25 def subChange(self,sub): 97 ], debug=True, graph=graph, onNewClient=onNewClient))
26 """this is a new version of an existing sub""" 98 log.info("serving on %s" % port)
99 reactor.run()