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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
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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 import pyjade.utils
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13
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14 try:
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15 import sys
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16 sys.path.append("../homeauto/lib")
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17 sys.path.append("/home/drewp/projects/homeauto/lib")
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18 from cycloneerr import PrettyErrorHandler
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19 except ImportError:
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20 class PrettyErrorHandler(object):
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21 pass
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22
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23 liveClients = set()
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24 def sendToLiveClients(d=None, asJson=None):
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25 j = asJson or json.dumps(d)
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26 for c in liveClients:
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27 c.sendMessage(j)
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28
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29 class Live(cyclone.websocket.WebSocketHandler):
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30 def connectionMade(self, *args, **kwargs):
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31 log.info("websocket opened")
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32 liveClients.add(self)
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33 self.settings.onNewClient()
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34
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35 def connectionLost(self, reason):
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36 log.info("websocket closed")
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37 liveClients.remove(self)
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38
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39 def messageReceived(self, message):
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40 log.info("got message %s" % message)
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41 self.sendMessage(message)
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42
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43 class Static(PrettyErrorHandler, cyclone.web.StaticFileHandler):
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44 # .xhtml pages can be get() without .xhtml on them
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45 def get(self, path, *args, **kw):
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46 if path == '':
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47 return self.respondStaticJade("light9/subserver/index.jade")
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48
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49 if path == 'gui.js':
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50 return self.responseStaticCoffee('light9/subserver/gui.coffee')
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51
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52 oddlyPlaced = {
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53 "websocket.js": "light9/rdfdb/web/websocket.js",
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54 "jquery-1.7.2.min.js": "light9/rdfdb/web/lib/jquery-1.7.2.min.js",
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55 }
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56 if path in oddlyPlaced:
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57 self.write(open(oddlyPlaced[path]).read())
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58 return
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59
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60 cyclone.web.StaticFileHandler.get(self, path, *args, **kw)
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61
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62 def respondStaticJade(self, src):
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63 html = pyjade.utils.process(open(src).read())
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64 self.write(html)
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65
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66 def responseStaticCoffee(self, src):
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67 self.write(subprocess.check_output([
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68 '/usr/bin/coffee', '--compile', '--print', src]))
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69
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70 if __name__ == "__main__":
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71 parser = optparse.OptionParser()
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72 parser.add_option("-v", "--verbose", action="store_true",
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73 help="logging.DEBUG")
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74 (options, args) = parser.parse_args()
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75
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76 log.setLevel(logging.DEBUG if options.verbose else logging.INFO)
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77
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78 graph = SyncedGraph("subserver")
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79
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80 d = {}
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81 def updateSubs():
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82 d.clear()
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83 d.update({'subs':['a', 'b']})
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84 sendToLiveClients(d=d)
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85 def onNewClient():
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86 sendToLiveClients(d=d)
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87
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88 graph.addHandler(updateSubs)
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89
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90
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91 port = 8052
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92 reactor.listenTCP(port, cyclone.web.Application(handlers=[
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93 (r'/live', Live),
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94 (r'/(.*)', Static,
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95 {"path" : "light9/subserver",
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96 "default_filename" : "index.jade"}),
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97 ], debug=True, graph=graph, onNewClient=onNewClient))
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98 log.info("serving on %s" % port)
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99 reactor.run()