Mercurial > code > home > repos > homeauto
annotate service/bluetooth/bluetoothService.py @ 4:be855a111619
move a bunch of services into this tree, give them all web status pages
Ignore-this: a11e90f9d2cd9470565c743f54943c4b
| author | drewp@bigasterisk.com |
|---|---|
| date | Mon, 08 Aug 2011 00:31:31 -0700 |
| parents | 3a119010b960 |
| children | f299b71f88f7 |
| rev | line source |
|---|---|
| 2 | 1 #!/usr/bin/python |
| 2 | |
| 3 """ | |
| 4 watch for bluetooth devices | |
| 5 | |
| 6 this discoverer finds me if my treo has its screen on only, so I | |
| 7 have to wake up my own treo for a few seconds. | |
| 8 | |
| 9 I can use 'hcitool cc <addr> && hcitool rssi <addr>' to wake it up and | |
| 10 get its signal strength, but that pattern crashes my treo easily. I | |
| 11 still don't have an access that wakes up the treo and then doesn't | |
| 12 crash it. Maybe I could pretend to be a headset or something. | |
| 13 | |
| 14 depends on ubuntu package: python-bluez | |
| 15 | |
| 16 """ | |
| 17 from __future__ import absolute_import | |
| 18 import logging, time, datetime, restkit, jsonlib, cyclone.web, sys | |
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19 from bluetooth import discover_devices, lookup_name |
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20 from twisted.internet import reactor, task |
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21 from twisted.internet.threads import deferToThread |
| 2 | 22 from rdflib.Graph import Graph |
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23 from rdflib import Literal, Namespace, RDFS, URIRef |
| 2 | 24 from pymongo import Connection |
| 25 from dateutil import tz | |
| 26 | |
| 27 sys.path.append("/my/proj/homeauto/lib") | |
| 28 from cycloneerr import PrettyErrorHandler | |
| 29 from logsetup import log | |
| 30 | |
| 31 mongo = Connection('bang', 27017)['visitor']['visitor'] | |
| 32 | |
| 33 ROOM = Namespace("http://projects.bigasterisk.com/room/") | |
| 34 | |
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35 def getNearbyDevices(): |
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36 addrs = discover_devices() |
| 2 | 37 |
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38 # this can be done during discover_devices, but my plan was to |
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39 # cache it more in here |
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40 names = dict((a, lookup_name(a)) for a in addrs) |
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41 log.debug("discover found %r %r", addrs, names) |
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42 return addrs, names |
| 2 | 43 |
| 44 hub = restkit.Resource( | |
| 45 # PSHB not working yet; "http://bang:9030/" | |
| 46 "http://slash:9049/" | |
| 47 ) | |
| 48 | |
| 49 def mongoInsert(msg): | |
| 50 try: | |
| 51 js = jsonlib.dumps(msg) | |
| 52 except UnicodeDecodeError: | |
| 53 pass | |
| 54 else: | |
| 55 if msg['name'] != 'THINKPAD_T43': | |
| 56 hub.post("visitorNet", payload=js) # sans datetime | |
| 57 msg['created'] = datetime.datetime.now(tz.gettz('UTC')) | |
| 58 mongo.insert(msg, safe=True) | |
| 59 | |
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60 def deviceUri(addr): |
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61 return URIRef("http://bigasterisk.com/bluetooth/%s" % addr) |
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62 |
| 2 | 63 class Poller(object): |
| 64 def __init__(self): | |
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65 self.lastAddrs = set() # addresses |
| 2 | 66 self.currentGraph = Graph() |
| 67 self.lastPollTime = 0 | |
| 68 | |
| 69 def poll(self): | |
| 70 log.debug("get devices") | |
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71 devs = deferToThread(getNearbyDevices) |
| 2 | 72 |
| 73 devs.addCallback(self.compare) | |
| 74 devs.addErrback(log.error) | |
| 75 return devs | |
| 76 | |
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77 def compare(self, (addrs, names)): |
| 2 | 78 self.lastPollTime = time.time() |
| 79 | |
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80 newGraph = Graph() |
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81 addrs = set(addrs) |
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82 for addr in addrs.difference(self.lastAddrs): |
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83 self.recordAction('arrive', addr, names) |
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84 for addr in self.lastAddrs.difference(addrs): |
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85 self.recordAction('leave', addr, names) |
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86 for addr in addrs: |
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87 uri = deviceUri(addr) |
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88 newGraph.add((ROOM['bluetooth'], ROOM['senses'], uri)) |
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89 if addr in names: |
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90 newGraph.add((uri, RDFS.label, Literal(names[addr]))) |
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91 self.lastAddrs = addrs |
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92 self.currentGraph = newGraph |
| 2 | 93 |
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94 def recordAction(self, action, addr, names): |
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95 doc = {"sensor" : "bluetooth", |
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96 "address" : addr, |
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97 "action" : action} |
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98 if addr in names: |
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99 doc["name"] = names[addr] |
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100 log.info("action: %s", doc) |
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101 mongoInsert(doc) |
| 2 | 102 |
| 103 class Index(PrettyErrorHandler, cyclone.web.RequestHandler): | |
| 104 def get(self): | |
| 105 age = time.time() - self.settings.poller.lastPollTime | |
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106 if age > self.settings.config['period'] + 30: |
| 2 | 107 raise ValueError("poll data is stale. age=%s" % age) |
| 108 | |
| 109 self.write("bluetooth watcher. ") | |
| 110 | |
| 111 if __name__ == '__main__': | |
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112 config = { |
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113 "period" : 60, |
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114 } |
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115 log.setLevel(logging.INFO) |
| 2 | 116 poller = Poller() |
| 117 reactor.listenTCP(9077, cyclone.web.Application([ | |
| 118 (r'/', Index), | |
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119 # graph, json, table, ... |
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120 ], poller=poller, config=config)) |
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121 task.LoopingCall(poller.poll).start(config['period']) |
| 2 | 122 reactor.run() |