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Python script to download daily OVO smart meter usage
#!/usr/bin/env python
# This requires Python 2.7. This will not work with Python 3
# Thanks to PaulW for the idea. In this case it was a matter of using
# the Ff Inspector Netwroks analyser to log the interactive query with
# "Persistent Logs" enabled, dumping the HAR to to pick out the key
# queries and with a bit of trial and error to refine them.
#
# I run this daily as a cron job.
from time import sleep
from requests import Request, Session
from datetime import datetime, time, timedelta
import json
import sys
import pprint
USERNAME = 'name@mail.box'
PASSWORD = r'''password'''
def pp(a):
pprint.PrettyPrinter(indent=2).pprint(a)
class OVOreadings:
def __init__(self, user, pwd):
self.MYOVO = 'my.ovoenergy.com'
self.PAYM = 'smartpaym.ovoenergy.com'
self.session = Session()
self.session.headers.update({
'User-Agent' : 'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) ' \
+ 'Gecko/20100101 Firefox/62.0',
'Accept' : 'application/json,text/html',
'Accept-Encoding' : 'gzip, deflate, br',
'Accept-Language' : 'en-GB,en;q=0.5',
'DNT' : '1',
'Host' : self.MYOVO,
'Connection' : 'keep-alive'
})
resp = self.session.get('https://%s/login' % self.MYOVO)
resp = self.session.post(
'https://%s/api/v2/auth/login' % self.MYOVO,
json = {'username' : user, 'password' : pwd, 'rememberMe' : True}
)
sleep(1)
resp = self.session.get('https://%s/api/customer-and-account-ids' % self.PAYM,
headers={'Host' : self.PAYM})
self.account = json.loads(resp.content)['accountIds'][0]
def getReadings(self, date):
sleep(1)
resp = self.session.get(
'https://%s/api/energy-usage/half-hourly/%s?date=%s' %
(self.PAYM, self.account, date),
headers={'Host' : self.PAYM})
data = json.loads(resp.content)['electricity']['data']
value = {}
for v in data:
start = v['interval']['start'][11:16]
ndx = 2*int(start[0:2]) + (0 if start[3:5] == '00' else 1)
value[ndx] = v['consumption']
return ["{:.3f}".format(value.get(i,0)) for i in range(0,48)]
def main():
midnight = datetime.combine(datetime.today(), time.min)
yesterday = (midnight - timedelta(days=1)).strftime('%Y-%m-%d')
start = sys.argv[1] if len(sys.argv) > 1 else yesterday
end = sys.argv[2] if len(sys.argv) > 2 else start
start = datetime.strptime(start, '%Y-%m-%d').date()
end = datetime.strptime(end, '%Y-%m-%d').date()
heading = [(midnight+i*timedelta(minutes=30)).strftime('%H:%M') for i in range(0,48)]
print('Date,' + ','.join(heading))
ovo = OVOreadings(USERNAME, PASSWORD)
for d in range(0, (end-start).days+1):
day = (start + d*timedelta(days=1)).strftime('%Y-%m-%d')
values = ovo.getReadings(day)
print(day + ',' + ','.join(values))
if __name__ == '__main__':
main()
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