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annotate service/dpms/dpms.py @ 888:ced063266d96

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dpms: more monitor states. separate powerState and powerStateMeasured Ignore-this: d9f21d0921c3f72ab31ac2a4c1e073cf darcs-hash:20130802145731-312f9-ac0cda43abb761c4956c50c9fd13621ddab8ce20
author drewp <drewp@bigasterisk.com>
date Fri, 02 Aug 2013 07:57:31 -0700
parents d4c057c508f9
children 1e94d074f642
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1 #!bin/python
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2
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3 """
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4 sample supervisord block
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5
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6 [program:dpms_9095]
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7 directory=/my/proj/homeauto/service/dpms
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8 command=/my/proj/homeauto/service/dpms/bin/python dpms.py
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9 user=drewp
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10
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11 On one box, this goes super slow when avahi daemon is running. Maybe
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12 it's for an attempted dns lookup of the requesting IP address, which I
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13 wish I could switch off.
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14
888
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15 --
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16
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17 may need this:
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18 ps axf | grep /run/gdm
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19 18339 tty7 Ss+ 0:00 \_ /usr/bin/X :0 -background none -verbose -auth /run/gdm/auth-for-gdm-iQoCDZ/database -nolisten tcp vt7
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20 eval xauth add `sudo xauth -f /run/gdm/auth-for-gdm-iQoCDZ/database list :0`
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21
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22 """
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23
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24 from bottle import run, get, put, request, response
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25 import subprocess, sys, socket
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26 from rdflib import Namespace, URIRef
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27 DEV = Namespace("http://projects.bigasterisk.com/device/")
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28 ROOM = Namespace("http://projects.bigasterisk.com/room/")
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29
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30 sys.path.append("/my/site/magma")
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31 from stategraph import StateGraph
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32 sys.path.append("../../lib")
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33 from localdisplay import setDisplayToLocalX
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34
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35 def getMonitorState():
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36 out = subprocess.check_output(['xset', 'q'])
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37 for line in out.splitlines():
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38 line = line.strip()
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39 if line == 'Monitor is On':
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40 response.set_header('content-type', 'text/plain')
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41 return 'on'
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42 elif line in ['Monitor is Off', 'Monitor is in Suspend', 'Monitor is in Standby']:
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43 response.set_header('content-type', 'text/plain')
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44 return 'off'
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45 raise NotImplementedError("no matching monitor line in xset output")
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46
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47 @get("/")
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48 def index():
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49 getMonitorState() # to make it fail if xset isn't working
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50 return '''
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51 Get and put the <a href="monitor">monitor power</a> with dpms.
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52 <a href="graph">rdf graph</a> available.'''
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53
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54 @get("/monitor")
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55 def monitor():
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56 return getMonitorState()
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57
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58 @put("/monitor")
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59 def putMonitor():
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60 body = request.body.read().strip()
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61 if body in ['on', 'off']:
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62 subprocess.check_call(['xset', 'dpms', 'force', body])
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63 response.status = 204
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64 else:
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65 raise NotImplementedError("body must be 'on' or 'off'")
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66 return ''
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67
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68 @get("/graph")
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69 def graph():
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70 host = socket.gethostname()
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71 g = StateGraph(ctx=DEV['dpms/%s' % host])
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72 g.add((URIRef("http://bigasterisk.com/host/%s/monitor" % host),
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73 ROOM['powerStateMeasured'],
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74 ROOM[getMonitorState()]))
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75
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76 response.set_header('Content-type', 'application/x-trig')
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77 return g.asTrig()
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79 setDisplayToLocalX()
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80
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81 run(host="0.0.0.0", server='gunicorn', port=9095, quiet=True)
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82