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annotate service/starArduino/barcodePlayer.py @ 462:7ec5945752b7

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some old Measurement and Locator edits Ignore-this: 188ecdf63f49b7a58f99a5961c6c23a6
author drewp@bigasterisk.com
date Sat, 20 Apr 2019 23:35:46 -0700
parents ca380454d176
children
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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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8 import cyclone.web, cyclone.httpclient, sys, json, urllib
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9 from twisted.python import log as twlog
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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 logsetup import log
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16 from pymongo import Connection
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17 mpdPaths = Connection("bang", 27017)['barcodePlayer']['mpdPaths']
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19 class Index(PrettyErrorHandler, cyclone.web.RequestHandler):
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20 def get(self):
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21 self.write("barcode player. POST to /barcodeScan")
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23 class BarcodeScan(PrettyErrorHandler, cyclone.web.RequestHandler):
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24 @inlineCallbacks
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25 def post(self):
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26 code = json.loads(self.request.body)
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28 if not code['code'].startswith("music "):
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29 raise ValueError("this service only knows music barcodes, not %r" %
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30 code)
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32 rows = list(mpdPaths.find({'_id' : int(code['code'].split()[1])}))
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33 if not rows:
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34 raise ValueError("code %r unknown" % code)
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36 song = rows[0]['mpdPath']
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38 post = "http://star:9009/addAndPlay/%s" % urllib.quote(song, safe='')
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39 result = (yield cyclone.httpclient.fetch(
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40 method="POST", url=post)).body
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41 log.info("post result: %r", result)
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42 self.write(result)
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45 if __name__ == '__main__':
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46 app = cyclone.web.Application([
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47 (r'/', Index),
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48 (r'/barcodeScan', BarcodeScan),
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49 ], )
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50 twlog.startLogging(sys.stdout)
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51 reactor.listenTCP(9011, app)
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52 reactor.run()