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notes about how rdfdb syncs, or should sync
author drewp@bigasterisk.com
date Mon, 03 Jun 2024 23:01:54 -0700
parents 4556eebe5d73
children
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1 #!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, xmlrpc.client, 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 sys.path.append(".")
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20 from light9 import showconfig, networking
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21 from light9.namespaces import L9
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22 from urllib.parse import urlencode
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23
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24
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25 # move to web lib
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26 def post(url, **args):
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27 return getPage(url, method='POST', 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
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32 @staticmethod
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33 def playSong(graph, songUri):
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34 s = xmlrpc.client.ServerProxy(networking.musicPlayer.url)
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35 songPath = graph.value(URIRef(songUri), L9.showPath)
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36 if songPath is None:
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37 raise ValueError("unknown song %s" % songUri)
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38 return s.playfile(songPath.encode('ascii'))
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39
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40 @staticmethod
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41 def stopMusic(graph):
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42 s = xmlrpc.client.ServerProxy(networking.musicPlayer.url)
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43 return s.stop()
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44
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45 @staticmethod
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46 def worklightsOn(graph):
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47 return post(networking.keyboardComposer.path('fadesub'),
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48 subname='scoop',
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49 level=.5,
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50 secs=.5)
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51
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52 @staticmethod
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53 def worklightsOff(graph):
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54 return post(networking.keyboardComposer.path('fadesub'),
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55 subname='scoop',
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56 level=0,
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57 secs=.5)
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59 @staticmethod
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60 def dimmerSet(graph, dimmer, value):
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61 raise NotImplementedError("subcomposer doesnt have an http port yet")
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62
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63
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64 class Main(rend.Page):
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65 docFactory = loaders.xmlfile(sibpath(__file__, "../light9/webcontrol.html"))
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66
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67 def __init__(self, graph):
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68 self.graph = graph
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69 rend.Page.__init__(self)
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70
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71 def render_status(self, ctx, data):
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72 pic = T.img(src="icon/enabled.png")
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73 if ctx.arg('error'):
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74 pic = T.img(src="icon/warning.png")
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75 return [pic, ctx.arg('status') or 'ready']
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76
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77 def render_songButtons(self, ctx, data):
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78 playList = graph.value(show, L9['playList'])
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79 songs = list(graph.items(playList))
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80 out = []
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81 for song in songs:
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82 out.append(
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83 T.form(method="post", action="playSong")
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84 [T.input(type='hidden', name='songUri', value=song),
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85 T.button(type='submit')[graph.label(song)]])
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86 return out
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87
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88 @inlineCallbacks
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89 def locateChild(self, ctx, segments):
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90 try:
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91 func = getattr(Commands, segments[0])
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92 req = inevow.IRequest(ctx)
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93 simpleArgDict = dict((k, v[0]) for k, v in list(req.args.items()))
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94 try:
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95 ret = yield robust_apply(func, func, self.graph,
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96 **simpleArgDict)
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97 except KeyboardInterrupt:
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98 raise
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99 except Exception as e:
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100 print("Error on command %s" % segments[0])
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101 traceback.print_exc()
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102 returnValue((url.here.up().add('status',
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103 str(e)).add('error',
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104 1), segments[1:]))
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105
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106 returnValue((url.here.up().add('status', ret), segments[1:]))
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107 #actually return the orig page, with a status message from the func
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108 except AttributeError:
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109 pass
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110 returnValue(rend.Page.locateChild(self, ctx, segments))
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111
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112 def child_icon(self, ctx):
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113 return static.File("/usr/share/pyshared/elisa/plugins/poblesec/tango")
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114
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115
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116 graph = showconfig.getGraph()
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117 show = showconfig.showUri()
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118
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119 log.startLogging(sys.stdout)
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120
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121 reactor.listenTCP(9000, NevowSite(Main(graph)))
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122 reactor.run()