Mercurial > code > home > repos > homeauto
annotate service/piNode/piNode.py @ 1025:f58b5536f683
ipv6 and some refactor
Ignore-this: 8ae5a78848fac996ad777eb74a48e656
darcs-hash:f0b1959fdda425f82cb1bb1581eb46dc909f3c36
| author | drewp <drewp@bigasterisk.com> |
|---|---|
| date | Sun, 03 Jan 2016 02:32:46 -0800 |
| parents | 065fc9e07c10 |
| children | 666e0e756ce6 |
| rev | line source |
|---|---|
| 987 | 1 from __future__ import division |
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2 import sys, logging, socket, json |
| 987 | 3 import cyclone.web |
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4 from rdflib import Namespace, URIRef, Literal, Graph, RDF |
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5 from rdflib.parser import StringInputSource |
| 987 | 6 from twisted.internet import reactor, task |
| 7 from docopt import docopt | |
| 8 logging.basicConfig(level=logging.DEBUG) | |
| 9 sys.path.append("/my/site/magma") | |
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10 sys.path.append("../../../../site/magma") |
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11 |
| 987 | 12 from stategraph import StateGraph |
| 13 sys.path.append('/home/pi/dim/PIGPIO') | |
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14 try: |
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15 import pigpio |
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16 except ImportError: |
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17 class pigpio(object): |
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18 @staticmethod |
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19 def pi(): |
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20 return None |
| 987 | 21 |
| 22 import devices | |
| 23 | |
| 24 log = logging.getLogger() | |
| 25 logging.getLogger('serial').setLevel(logging.WARN) | |
| 26 ROOM = Namespace('http://projects.bigasterisk.com/room/') | |
| 27 HOST = Namespace('http://bigasterisk.com/ruler/host/') | |
| 28 | |
| 29 hostname = socket.gethostname() | |
| 30 | |
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31 class Config(object): |
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32 def __init__(self): |
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33 self.graph = Graph() |
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34 log.info('read config') |
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35 self.graph.parse('config.n3', format='n3') |
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36 self.graph.bind('', ROOM) # not working |
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37 self.graph.bind('rdf', RDF) |
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38 |
| 987 | 39 class GraphPage(cyclone.web.RequestHandler): |
| 40 def get(self): | |
| 41 g = StateGraph(ctx=ROOM['pi/%s' % hostname]) | |
| 42 | |
| 43 for stmt in self.settings.board.currentGraph(): | |
| 44 g.add(stmt) | |
| 45 | |
| 46 if self.get_argument('config', 'no') == 'yes': | |
| 47 for stmt in self.settings.config.graph: | |
| 48 g.add(stmt) | |
| 49 | |
| 50 self.set_header('Content-type', 'application/x-trig') | |
| 51 self.write(g.asTrig()) | |
| 52 | |
| 53 class Board(object): | |
| 54 """similar to arduinoNode.Board but without the communications stuff""" | |
| 55 def __init__(self, graph, uri, onChange): | |
| 56 self.graph, self.uri = graph, uri | |
| 57 self.pi = pigpio.pi() | |
| 58 self._devs = devices.makeDevices(graph, self.uri, self.pi) | |
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59 log.debug('found %s devices', len(self._devs)) |
| 987 | 60 self._statementsFromInputs = {} # input device uri: latest statements |
| 61 | |
| 62 def startPolling(self): | |
| 63 task.LoopingCall(self._poll).start(.5) | |
| 64 | |
| 65 def _poll(self): | |
| 66 for i in self._devs: | |
| 67 self._statementsFromInputs[i.uri] = i.poll() | |
| 68 | |
| 69 def outputStatements(self, stmts): | |
| 70 unused = set(stmts) | |
| 71 for dev in self._devs: | |
| 72 stmtsForDev = [] | |
| 73 for pat in dev.outputPatterns(): | |
| 74 if [term is None for term in pat] != [False, False, True]: | |
| 75 raise NotImplementedError | |
| 76 for stmt in stmts: | |
| 77 if stmt[:2] == pat[:2]: | |
| 78 stmtsForDev.append(stmt) | |
| 79 unused.discard(stmt) | |
| 80 if stmtsForDev: | |
| 81 log.info("output goes to action handler for %s" % dev.uri) | |
| 82 dev.sendOutput(stmtsForDev) | |
| 83 log.info("success") | |
| 84 if unused: | |
| 85 log.warn("No devices cared about these statements:") | |
| 86 for s in unused: | |
| 87 log.warn(repr(s)) | |
| 88 | |
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89 def currentGraph(self): |
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90 g = Graph() |
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91 |
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92 g.add((HOST[socket.gethostname()], ROOM['connectedTo'], self.uri)) |
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93 |
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94 for si in self._statementsFromInputs.values(): |
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95 for s in si: |
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96 g.add(s) |
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97 return g |
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98 |
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99 def description(self): |
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100 """for web page""" |
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101 return { |
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102 'uri': self.uri, |
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103 'devices': [d.description() for d in self._devs], |
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104 'graph': 'http://sticker:9059/graph', #todo |
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105 } |
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106 |
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107 def rdfGraphBody(body, headers): |
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108 g = Graph() |
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109 g.parse(StringInputSource(body), format='nt') |
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110 return g |
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111 |
| 987 | 112 class OutputPage(cyclone.web.RequestHandler): |
| 113 def put(self): | |
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114 arg = self.request.arguments |
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115 if arg.get('s') and arg.get('p'): |
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116 subj = URIRef(arg['s'][-1]) |
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117 pred = URIRef(arg['p'][-1]) |
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118 turtleLiteral = self.request.body |
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119 try: |
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120 obj = Literal(float(turtleLiteral)) |
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121 except ValueError: |
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122 obj = Literal(turtleLiteral) |
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123 stmt = (subj, pred, obj) |
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124 else: |
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125 g = rdfGraphBody(self.request.body, self.request.headers) |
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126 assert len(g) == 1, len(g) |
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127 stmt = g.triples((None, None, None)).next() |
| 987 | 128 |
| 129 self.settings.board.outputStatements([stmt]) | |
| 130 | |
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131 class Boards(cyclone.web.RequestHandler): |
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132 def get(self): |
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133 self.set_header('Content-type', 'application/json') |
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134 self.write(json.dumps({ |
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135 'boards': [self.settings.board.description()] |
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136 }, indent=2)) |
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137 |
| 987 | 138 def main(): |
| 139 arg = docopt(""" | |
| 140 Usage: piNode.py [options] | |
| 141 | |
| 142 -v Verbose | |
| 143 """) | |
| 144 log.setLevel(logging.WARN) | |
| 145 if arg['-v']: | |
| 146 from twisted.python import log as twlog | |
| 147 twlog.startLogging(sys.stdout) | |
| 148 | |
| 149 log.setLevel(logging.DEBUG) | |
| 150 | |
| 151 config = Config() | |
| 152 | |
| 153 def onChange(): | |
| 154 # notify reasoning | |
| 155 pass | |
| 156 | |
| 157 thisBoard = URIRef('http://bigasterisk.com/homeauto/node2') | |
| 158 | |
| 159 board = Board(config.graph, thisBoard, onChange) | |
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160 board.startPolling() |
| 987 | 161 |
| 162 reactor.listenTCP(9059, cyclone.web.Application([ | |
| 163 (r"/()", cyclone.web.StaticFileHandler, { | |
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164 "path": "../arduinoNode/static", "default_filename": "index.html"}), |
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165 (r'/static/(.*)', cyclone.web.StaticFileHandler, {"path": "../arduinoNode/static"}), |
| 987 | 166 (r"/graph", GraphPage), |
| 167 (r'/output', OutputPage), | |
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168 (r'/boards', Boards), |
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169 #(r'/dot', Dot), |
| 1025 | 170 ], config=config, board=board, debug=arg['-v']), interface='::') |
| 987 | 171 reactor.run() |
| 172 | |
| 173 main() |