Mercurial > code > home > repos > light9
annotate bin/subserver @ 955:c0f7fc86f89b
fix up hardware sliders in KC. big mess now
Ignore-this: 28956846058bf05ad44d9eeea2796c75
author | drewp@bigasterisk.com |
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date | Sat, 15 Jun 2013 06:09:57 +0000 |
parents | 891f2d75c686 |
children | cfc748f4ad2e |
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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 import sys, optparse, logging, json, subprocess, datetime |
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8 from dateutil.tz import tzlocal |
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9 from twisted.internet import reactor, defer |
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10 import cyclone.web, cyclone.httpclient, cyclone.websocket |
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11 from rdflib import RDF, URIRef, Literal |
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12 import pyjade.utils |
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13 from light9.rdfdb.syncedgraph import SyncedGraph |
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14 from light9.rdfdb.patch import Patch |
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15 from light9.namespaces import L9, DCTERMS |
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16 from light9 import networking, showconfig |
222 | 17 |
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18 try: |
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19 sys.path.append("../homeauto/lib") |
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20 sys.path.append("/home/drewp/projects/homeauto/lib") |
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21 from cycloneerr import PrettyErrorHandler |
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22 except ImportError: |
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23 class PrettyErrorHandler(object): |
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24 pass |
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25 |
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26 liveClients = set() |
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27 def sendToLiveClients(d=None, asJson=None): |
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28 j = asJson or json.dumps(d) |
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29 for c in liveClients: |
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30 c.sendMessage(j) |
222 | 31 |
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32 class Live(cyclone.websocket.WebSocketHandler): |
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33 def connectionMade(self, *args, **kwargs): |
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34 log.info("websocket opened") |
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35 liveClients.add(self) |
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36 self.settings.onNewClient() |
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37 |
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38 def connectionLost(self, reason): |
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39 log.info("websocket closed") |
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40 liveClients.remove(self) |
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41 |
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42 def messageReceived(self, message): |
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43 log.info("got message %s" % message) |
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44 self.sendMessage(message) |
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45 |
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46 class Static(PrettyErrorHandler, cyclone.web.StaticFileHandler): |
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47 def get(self, path, *args, **kw): |
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48 if path in ['', 'chases']: |
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49 return self.respondStaticJade("light9/subserver/%s.jade" % |
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50 (path or 'index')) |
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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 if path.endswith(".js") and path not in ['knockout-2.2.1.js']: |
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61 return self.responseStaticCoffee( |
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62 'light9/subserver/%s' % |
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63 path.replace(".js", ".coffee")) # potential security hole |
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64 |
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65 cyclone.web.StaticFileHandler.get(self, path, *args, **kw) |
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66 |
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67 def respondStaticJade(self, src): |
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68 html = pyjade.utils.process(open(src).read()) |
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69 self.write(html) |
222 | 70 |
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71 def responseStaticCoffee(self, src): |
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72 self.write(subprocess.check_output([ |
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73 '/usr/bin/coffee', '--compile', '--print', src])) |
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74 |
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75 class Snapshot(PrettyErrorHandler, cyclone.web.RequestHandler): |
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76 @defer.inlineCallbacks |
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77 def post(self): |
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78 about = URIRef(self.get_argument("about")) |
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79 response = yield cyclone.httpclient.fetch(networking.vidref.path("snapshot"), method="POST") |
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80 |
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81 snapUri = URIRef(json.loads(response.body)['snapshot']) |
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82 # vidref could write about when it was taken, etc. would it be |
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83 # better for us to tell vidref where to attach the result in |
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84 # the graph, and then it doesn't even have to return anything? |
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85 |
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86 ctx = showconfig.showUri() + "/snapshots" |
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87 |
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88 self.settings.graph.patch(Patch(addQuads=[ |
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89 (about, L9['image'], snapUri, ctx), |
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90 (snapUri, DCTERMS['created'], |
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91 Literal(datetime.datetime.now(tzlocal())), ctx), |
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92 ])) |
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93 |
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94 self.write(json.dumps({'snapshot': snapUri})) |
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95 |
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96 def newestImage(subject): |
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97 newest = (None, None) |
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98 for img in graph.objects(subject, L9['image']): |
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99 created = graph.value(img, DCTERMS['created']) |
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100 if created > newest[0]: |
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101 newest = (created, img) |
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102 return newest[1] |
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103 |
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104 if __name__ == "__main__": |
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105 parser = optparse.OptionParser() |
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106 parser.add_option("-v", "--verbose", action="store_true", |
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107 help="logging.DEBUG") |
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108 (options, args) = parser.parse_args() |
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109 |
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110 log.setLevel(logging.DEBUG if options.verbose else logging.INFO) |
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111 |
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112 graph = SyncedGraph("subserver") |
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113 |
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114 d = {} |
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115 def updateSubs(): |
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116 subs = [] |
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117 for sub in sorted(graph.subjects(RDF.type, L9['Submaster'])): |
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118 rec = {'uri' : sub} |
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119 rec['isLocal'] = graph.contains((sub, RDF.type, |
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120 L9['LocalSubmaster'])) |
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121 rec['label'] = graph.label(sub) |
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122 rec['img'] = newestImage(sub) |
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123 subs.append(rec) |
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124 |
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125 d.clear() |
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126 d.update({'subs': subs}) |
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127 |
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128 d['chases'] = [] |
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129 for chase in sorted(graph.subjects(RDF.type, L9['Chase'])): |
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130 fakeLabel = chase.rsplit('/', 1)[-1] |
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131 d['chases'].append({ |
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132 'uri': chase, |
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133 'label': fakeLabel, |
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134 }) |
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135 |
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136 sendToLiveClients(d=d) |
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137 def onNewClient(): |
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138 sendToLiveClients(d=d) |
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139 |
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140 graph.addHandler(updateSubs) |
222 | 141 |
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142 |
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143 port = 8052 |
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144 reactor.listenTCP(port, cyclone.web.Application(handlers=[ |
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145 (r'/live', Live), |
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146 (r'/snapshot', Snapshot), |
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147 (r'/(.*)', Static, |
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148 {"path" : "light9/subserver", |
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149 "default_filename" : "index.jade"}), |
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150 ], debug=True, graph=graph, onNewClient=onNewClient)) |
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151 log.info("serving on %s" % port) |
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152 reactor.run() |