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subserver shows real submasters, stays live. pretty sweet Ignore-this: 1eefab7d67bb6d8e386003a990e6f5c5
author drewp@bigasterisk.com
date Tue, 11 Jun 2013 00:02:35 +0000
parents 33a5a98e9bf1
children dd896321faee
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1 #!bin/python
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2 """
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3 live web display of all existing subs with pictures, mainly for
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4 dragging them into CC
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5 """
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6 from run_local import log
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7 from twisted.internet import reactor
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8 import twisted.internet.error
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9 import sys, optparse, logging, json, os, subprocess
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10 import cyclone.web, cyclone.httpclient, cyclone.websocket
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11 from light9.rdfdb.syncedgraph import SyncedGraph
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12 from rdflib import RDF
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13 from light9.namespaces import L9
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14 import pyjade.utils
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15
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16 try:
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17 import sys
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18 sys.path.append("../homeauto/lib")
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19 sys.path.append("/home/drewp/projects/homeauto/lib")
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20 from cycloneerr import PrettyErrorHandler
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21 except ImportError:
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22 class PrettyErrorHandler(object):
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23 pass
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24
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25 liveClients = set()
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26 def sendToLiveClients(d=None, asJson=None):
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27 j = asJson or json.dumps(d)
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28 for c in liveClients:
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29 c.sendMessage(j)
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30
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31 class Live(cyclone.websocket.WebSocketHandler):
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32 def connectionMade(self, *args, **kwargs):
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33 log.info("websocket opened")
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34 liveClients.add(self)
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35 self.settings.onNewClient()
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36
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37 def connectionLost(self, reason):
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38 log.info("websocket closed")
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39 liveClients.remove(self)
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40
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41 def messageReceived(self, message):
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42 log.info("got message %s" % message)
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43 self.sendMessage(message)
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44
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45 class Static(PrettyErrorHandler, cyclone.web.StaticFileHandler):
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46 def get(self, path, *args, **kw):
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47 if path == '':
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48 return self.respondStaticJade("light9/subserver/index.jade")
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49
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50 if path == 'gui.js':
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51 return self.responseStaticCoffee('light9/subserver/gui.coffee')
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52
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53 oddlyPlaced = {
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54 "websocket.js": "light9/rdfdb/web/websocket.js",
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55 "jquery-1.7.2.min.js": "light9/rdfdb/web/lib/jquery-1.7.2.min.js",
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56 }
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57 if path in oddlyPlaced:
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58 self.write(open(oddlyPlaced[path]).read())
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59 return
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60
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61 cyclone.web.StaticFileHandler.get(self, path, *args, **kw)
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62
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63 def respondStaticJade(self, src):
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64 html = pyjade.utils.process(open(src).read())
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65 self.write(html)
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66
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67 def responseStaticCoffee(self, src):
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68 self.write(subprocess.check_output([
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69 '/usr/bin/coffee', '--compile', '--print', src]))
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70
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71 if __name__ == "__main__":
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72 parser = optparse.OptionParser()
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73 parser.add_option("-v", "--verbose", action="store_true",
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74 help="logging.DEBUG")
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75 (options, args) = parser.parse_args()
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76
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77 log.setLevel(logging.DEBUG if options.verbose else logging.INFO)
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78
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79 graph = SyncedGraph("subserver")
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80
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81 d = {}
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82 def updateSubs():
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83
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84 subs = []
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85 for sub in graph.subjects(RDF.type, L9['Submaster']):
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86 rec = {'uri' : sub}
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87 rec['isLocal'] = graph.contains((sub, RDF.type,
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88 L9['LocalSubmaster']))
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89 rec['label'] = graph.label(sub)
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90 subs.append(rec)
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91
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92 d.clear()
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93 d.update({'subs': subs})
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94 sendToLiveClients(d=d)
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95 def onNewClient():
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96 sendToLiveClients(d=d)
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97
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98 graph.addHandler(updateSubs)
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99
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100
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101 port = 8052
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102 reactor.listenTCP(port, cyclone.web.Application(handlers=[
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103 (r'/live', Live),
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104 (r'/(.*)', Static,
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105 {"path" : "light9/subserver",
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106 "default_filename" : "index.jade"}),
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107 ], debug=True, graph=graph, onNewClient=onNewClient))
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108 log.info("serving on %s" % port)
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109 reactor.run()