Mercurial > code > home > repos > homeauto
annotate service/powerEagle/reader.py @ 216:7a1e9ef4c8b2
fudge timing to not miss data points
Ignore-this: e6d01f03cc500f66ad7763525c1a5e00
| author | drewp@bigasterisk.com |
|---|---|
| date | Sun, 03 Jan 2016 02:28:10 -0800 |
| parents | a7dd996617ef |
| children | ec6451f15ae5 |
| rev | line source |
|---|---|
| 211 | 1 #!bin/python |
| 2 import json, logging, time | |
| 3 import sys | |
| 4 sys.path.append("/my/proj/homeauto/lib") | |
| 5 from logsetup import log | |
| 6 sys.path.append("/my/proj/room") | |
| 7 from carbondata import CarbonClient | |
| 8 from twisted.internet.defer import inlineCallbacks | |
| 9 from twisted.internet import reactor | |
| 10 from cyclone.httpclient import fetch | |
| 11 | |
| 12 from private_config import deviceIp, cloudId, installId, macId, periodSec | |
| 13 | |
| 14 auth = (cloudId + ':' + installId).encode('base64').strip() | |
| 15 | |
| 16 carbon = CarbonClient(serverHost='bang') | |
| 17 | |
| 18 class Poller(object): | |
| 19 def __init__(self, carbon): | |
| 20 self.carbon = carbon | |
|
212
a7dd996617ef
LoopingCall sets the interview between calls, but I want the period of calls
drewp@bigasterisk.com
parents:
211
diff
changeset
|
21 reactor.callLater(0, self.poll) |
| 211 | 22 |
| 23 @inlineCallbacks | |
| 24 def poll(self): | |
| 25 ret = None | |
|
212
a7dd996617ef
LoopingCall sets the interview between calls, but I want the period of calls
drewp@bigasterisk.com
parents:
211
diff
changeset
|
26 startTime = time.time() |
| 211 | 27 try: |
| 28 resp = yield fetch( | |
| 29 'http://{deviceIp}/cgi-bin/cgi_manager'.format(deviceIp=deviceIp), | |
| 30 method='POST', | |
| 31 headers={'Authorization': ['Basic %s' % auth]}, | |
| 32 postdata='''<LocalCommand> | |
| 33 <Name>get_usage_data</Name> | |
| 34 <MacId>0x{macId}</MacId> | |
| 35 </LocalCommand> | |
| 36 <LocalCommand> | |
| 37 <Name>get_price_blocks</Name> | |
| 38 <MacId>0x{macId}</MacId> | |
| 39 </LocalCommand>'''.format(macId=macId)) | |
| 40 ret = json.loads(resp.body) | |
| 41 if ret['demand_units'] != 'kW': | |
| 42 raise ValueError | |
| 43 if ret['summation_units'] != 'kWh': | |
| 44 raise ValueError | |
| 45 self.carbon.send('system.house.powerEagle.demand_w', | |
| 46 float(ret['demand']) * 1000) | |
| 47 self.carbon.send('system.house.powerEagle.summation_delivered_kWh', | |
| 48 float(ret['summation_delivered'])) | |
| 49 except Exception as e: | |
| 50 log.error("failed: %r", e) | |
| 51 log.error(repr(ret)) | |
| 52 | |
|
212
a7dd996617ef
LoopingCall sets the interview between calls, but I want the period of calls
drewp@bigasterisk.com
parents:
211
diff
changeset
|
53 now = time.time() |
| 216 | 54 goal = startTime + periodSec - .2 |
|
212
a7dd996617ef
LoopingCall sets the interview between calls, but I want the period of calls
drewp@bigasterisk.com
parents:
211
diff
changeset
|
55 reactor.callLater(max(1, goal - now), self.poll) |
| 211 | 56 |
| 57 | |
| 58 log.setLevel(logging.INFO) | |
| 59 carbon = CarbonClient(serverHost='bang') | |
| 60 p = Poller(carbon) | |
| 61 reactor.run() |