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annotate bin/webcontrol @ 529:1156d3531327

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new ascoltami2, using gstreamer Ignore-this: 77e59ba6ec17b86343c93c24ac38aa44
author drewp@bigasterisk.com
date Fri, 11 Jun 2010 07:14:18 +0000
parents a33519c49871
children 8d6f6d8a4719
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a33519c49871 new bin/webcontrol web client for playing songs and adjusting lights
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1 #!/usr/bin/python
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2 """
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3 web UI for various commands that we might want to run from remote
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4 computers and phones
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5
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6 todo:
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7 disable buttons that don't make sense
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8 """
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9 import sys, xmlrpclib, traceback
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10 from twisted.internet import reactor
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11 from twisted.python import log
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12 from twisted.python.util import sibpath
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13 from twisted.internet.defer import inlineCallbacks, returnValue
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14 from twisted.web.client import getPage
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15 from nevow.appserver import NevowSite
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16 from nevow import rend, static, loaders, inevow, url, tags as T
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17 from rdflib import URIRef
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18 from louie.robustapply import robust_apply
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19 from light9 import showconfig, networking
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20 from light9.namespaces import L9
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21 from urllib import urlencode
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22
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23 # move to web lib
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24 def post(root, path, **args):
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25 return getPage(root.rstrip('/') + '/' + path.lstrip('/'),
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26 method='POST',
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27 postdata=urlencode(args))
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28
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29
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30 class Commands(object):
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31 @staticmethod
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32 def playSong(graph, songUri):
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33 s = xmlrpclib.ServerProxy(networking.musicUrl())
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34 songPath = graph.value(URIRef(songUri), L9.showPath)
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35 if songPath is None:
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36 raise ValueError("unknown song %s" % songUri)
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37 return s.playfile(songPath.encode('ascii'))
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38
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39 @staticmethod
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40 def stopMusic(graph):
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41 s = xmlrpclib.ServerProxy(networking.musicUrl())
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42 return s.stop()
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43
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44 @staticmethod
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45 def worklightsOn(graph):
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46 return post(networking.keyboardComposerUrl(), 'fadesub',
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47 subname='scoop', level=.5, secs=.5)
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48
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49 @staticmethod
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50 def worklightsOff(graph):
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51 return post(networking.keyboardComposerUrl(), 'fadesub',
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52 subname='scoop', level=0, secs=.5)
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53
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54 @staticmethod
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55 def dimmerSet(graph, dimmer, value):
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56 raise NotImplementedError("subcomposer doesnt have an http port yet")
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57
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58 class Main(rend.Page):
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59 docFactory = loaders.xmlfile(sibpath(__file__, "../light9/webcontrol.html"))
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60
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61 def __init__(self, graph):
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62 self.graph = graph
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63 rend.Page.__init__(self)
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64
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65 def render_status(self, ctx, data):
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66 pic = T.img(src="icon/enabled.png")
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67 if ctx.arg('error'):
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68 pic = T.img(src="icon/warning.png")
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69 return [pic, ctx.arg('status') or 'ready']
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70
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71 def render_songButtons(self, ctx, data):
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72 show = URIRef("http://light9.bigasterisk.com/show/dance2009") # ?
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73 playList = graph.value(show, L9['playList'])
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74 songs = list(graph.items(playList))
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75 out = []
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76 for song in songs:
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77 out.append(
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78 T.form(method="post", action="playSong")[
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79 T.input(type='hidden', name='songUri', value=song),
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80 T.button(type='submit')[graph.label(song)]])
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81 return out
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82
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83 @inlineCallbacks
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84 def locateChild(self, ctx, segments):
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85 try:
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86 func = getattr(Commands, segments[0])
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87 req = inevow.IRequest(ctx)
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88 simpleArgDict = dict((k, v[0]) for k,v in req.args.items())
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89 try:
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90 ret = yield robust_apply(func, func, self.graph,
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91 **simpleArgDict)
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92 except KeyboardInterrupt: raise
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93 except Exception, e:
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94 print "Error on command %s" % segments[0]
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95 traceback.print_exc()
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96 returnValue((url.here.up().
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97 add('status', str(e)).
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98 add('error', 1), segments[1:]))
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99
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100 returnValue((url.here.up().add('status', ret), segments[1:]))
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101 #actually return the orig page, with a status message from the func
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102 except AttributeError:
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103 pass
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104 returnValue(rend.Page.locateChild(self, ctx, segments))
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105
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106 def child_icon(self, ctx):
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107 return static.File("/usr/share/pyshared/elisa/plugins/poblesec/tango")
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108
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109 graph = showconfig.getGraph()
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110
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111 log.startLogging(sys.stdout)
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112
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113 reactor.listenTCP(9000, NevowSite(Main(graph)))
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114 reactor.run()