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annotate service/starArduino/barcodePlayer.py @ 841:ddc2cdbfde50

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rdflib and jsonlib api updates Ignore-this: feb4c3bee7704dee42f1d3a01b20f4e8 darcs-hash:20120808062410-312f9-2d5e41e2bb782e0e3946af63c6bbaf695f23fc16
author drewp <drewp@bigasterisk.com>
date Tue, 07 Aug 2012 23:24:10 -0700
parents bbecee3d287d
children ca380454d176
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1 #!bin/python
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2 """
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3 receives POSTs about barcodes that are scanned, plays songs on mpd
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4 """
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5
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6 from __future__ import division
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7
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8 import cyclone.web, cyclone.httpclient, sys, json, urllib
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9 from twisted.python import log
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10 from twisted.internet import reactor
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11 from twisted.internet.defer import inlineCallbacks
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12 sys.path.append("/my/proj/homeauto/lib")
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13 from cycloneerr import PrettyErrorHandler
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14 from pymongo import Connection
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15 mpdPaths = Connection("bang", 27017)['barcodePlayer']['mpdPaths']
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16
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17 class Index(PrettyErrorHandler, cyclone.web.RequestHandler):
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18 def get(self):
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19 self.write("barcode player. POST to /barcodeScan")
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20
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21 class BarcodeScan(PrettyErrorHandler, cyclone.web.RequestHandler):
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22 @inlineCallbacks
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23 def post(self):
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24 code = json.loads(self.request.body)
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25
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26 if not code['code'].startswith("music "):
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27 raise ValueError("this service only knows music barcodes, not %r" %
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28 code)
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29
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30 rows = list(mpdPaths.find({'_id' : int(code['code'].split()[1])}))
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31 if not rows:
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32 raise ValueError("code %r unknown" % code)
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33
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34 song = rows[0]['mpdPath']
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35
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36 post = "http://star:9009/addAndPlay/%s" % urllib.quote(song, safe='')
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37 result = (yield cyclone.httpclient.fetch(
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38 method="POST", url=post)).body
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39 print result
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40 self.write(result)
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42
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43 if __name__ == '__main__':
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44 app = cyclone.web.Application([
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45 (r'/', Index),
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46 (r'/barcodeScan', BarcodeScan),
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47 ], )
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48 log.startLogging(sys.stdout)
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49 reactor.listenTCP(9011, app)
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50 reactor.run()