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netatmo.py
673 lines (590 loc) · 25.5 KB
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netatmo.py
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#!/usr/bin/python
# Copyright 2015 Matthew Wall
# Distributed under the terms of the GNU Public License (GPLv3)
#
# Thanks to phillippe larduinat for publishing lnetatmo.py
# https://github.com/philippelt/netatmo-api-python
# The netatmo API has changed quite a bit since phillippe wrote the code, but
# the implementation helps.
#
# Shame on netatmo for making it very difficult to get data from the hardware
# without going through their servers.
#
# More shame on netatmo for encrypting the communication between the netatmo
# station and the netatmo servers, without providing end-users a way to access
# their data locally. They used to send data in the clear up to firmware 101,
# then instead of fixing a stupid decision to send the wifi network password
# to the netatmo servers, they chose to encrypt the communication altogether.
# Beware that netatmo might still be receiving your network passwords.
"""To use cloud mode you must obtain a client_id and client_secret from
the netatmo development web servers https://dev.netatmo.com
This driver supports multiple devices, and all known modules on each device.
As of april 2016 that means the base station, 'outside' T/H, additional T/H,
rain, and wind.
"""
from __future__ import with_statement
import Queue
import json
import re
import socket
import syslog
import threading
import time
from urllib import urlencode
import urllib2
import weewx.drivers
import weewx.engine
import weewx.units
import weewx.wxformulas
import weeutil.weeutil
DRIVER_NAME = 'netatmo'
DRIVER_VERSION = "0.14"
INHG_PER_MBAR = 0.0295299830714
MPH_TO_KPH = 1.60934
MPS_TO_KPH = 3.6
BEAFORT_TO_KPH = {0: 1, 1: 3.0, 2: 9.0, 3: 15.0, 4: 24.0, 5: 34.0, 6: 43.0,
7: 55.0, 8: 68.0, 9: 82.0, 10: 95.0, 11: 110.0, 12: 120.0}
KNOT_TO_KPH = 1.852
def logmsg(level, msg):
syslog.syslog(level, 'netatmo: %s: %s' %
(threading.currentThread().getName(), msg))
def logdbg(msg):
logmsg(syslog.LOG_DEBUG, msg)
def loginf(msg):
logmsg(syslog.LOG_INFO, msg)
def logerr(msg):
logmsg(syslog.LOG_ERR, msg)
def loader(config_dict, engine):
return NetatmoDriver(**config_dict[DRIVER_NAME])
def confeditor_loader():
return NetatmoConfEditor()
class NetatmoConfEditor(weewx.drivers.AbstractConfEditor):
@property
def default_stanza(self):
return """
[netatmo]
# This section is for the netatmo station.
# The mode specifies how driver should obtain data. The 'cloud' mode will
# retrieve data from the netatmo.com servers. The 'sniff' mode will parse
# packets from the netatmo station on the local network.
mode = cloud
# The cloud mode requires credentials:
username = INSERT_USERNAME_HERE
password = INSERT_PASSWORD_HERE
client_id = INSERT_CLIENT_ID_HERE
client_secret = INSERT_CLIENT_SECRET_HERE
# The driver itself
driver = user.netatmo
"""
def prompt_for_settings(self):
settings = dict()
print "Specify the mode for obtaining data, either 'cloud' or 'sniff'"
settings['mode'] = self._prompt('mode', 'cloud', ['cloud', 'sniff'])
if settings['mode'] == 'cloud':
print "Specify the username for netatmo.com"
self._prompt('username')
print "Specify the password for netatmo.com"
self._prompt('password')
print "Specify the client_id from dev.netatmo.com"
self._prompt('client_id')
print "Specify the client_secret from dev.netatmo.com"
self._prompt('client_secret')
return settings
class NetatmoDriver(weewx.drivers.AbstractDevice):
DEFAULT_PORT = 80
DEFAULT_HOST = ''
# map from netatmo names to database schema names
# apparently battery_vp is in older firmware, whereas battery_percent is
# in newer firmware.
DEFAULT_SENSOR_MAP = {
'pressure': '*.NAMain.AbsolutePressure',
'inTemp': '*.NAMain.Temperature',
'inHumidity': '*.NAMain.Humidity',
'co2': '*.NAMain.CO2',
'noise': '*.NAMain.Noise',
'wifi_status': '*.NAMain.wifi_status',
'outTemp': '*.NAModule1.Temperature',
'outHumidity': '*.NAModule1.Humidity',
'out_rf_status': '*.NAModule1.rf_status',
'out_battery_vp': '*.NAModule1.battery_vp',
'outTempBatteryStatus': '*.NAModule1.battery_percent',
'extraTemp1': '*.NAModule4.Temperature',
'extraHumid1': '*.NAModule4.Humidity',
'extra_rf_status_1': '*.NAModule4.rf_status',
'extra_battery_vp_1': '*.NAModule4.battery_vp',
'extra1BatteryStatus': '*.NAModule4.battery_percent',
'windSpeed': '*.NAModule2.WindStrength',
'windDir': '*.NAModule2.WindAngle',
'windGust': '*.NAModule2.GustStrength',
'windGustDir': '*.NAModule2.GustAngle',
'wind_rf_status': '*.NAModule2.rf_status',
'wind_battery_vp': '*.NAModule2.battery_vp',
'windBatteryStatus': '*.NAModule2.battery_percent',
'rain': '*.NAModule3.Rain',
'rain_total': '*.NAModule3.sum_rain_24',
'rain_rf_status': '*.NAModule3.rf_status',
'rain_battery_vp': '*.NAModule3.battery_vp',
'rainBatteryStatus': '*.NAModule3.battery_percent'}
def __init__(self, **stn_dict):
loginf("driver version is %s" % DRIVER_VERSION)
self.sensor_map = dict(NetatmoDriver.DEFAULT_SENSOR_MAP)
if 'sensor_map' in stn_dict:
self.sensor_map.update(stn_dict['sensor_map'])
loginf('sensor map is %s' % self.sensor_map)
device_id = stn_dict.get('device_id', None)
mode = stn_dict.get('mode', 'cloud')
if mode.lower() == 'sniff':
port = int(stn_dict.get('port', NetatmoDriver.DEFAULT_PORT))
addr = stn_dict.get('host', NetatmoDriver.DEFAULT_HOST)
self.collector = PacketSniffer((addr, port))
elif mode.lower() == 'cloud':
max_tries = int(stn_dict.get('max_tries', 5))
retry_wait = int(stn_dict.get('retry_wait', 10)) # seconds
poll_interval = int(stn_dict.get('poll_interval', 300)) # seconds
username = stn_dict['username']
password = stn_dict['password']
client_id = stn_dict['client_id']
client_secret = stn_dict['client_secret']
self.collector = CloudClient(
username, password, client_id, client_secret,
device_id=device_id, poll_interval=poll_interval,
max_tries=max_tries, retry_wait=retry_wait)
else:
raise ValueError("unsupported mode '%s'" % mode)
self.collector.startup()
def closePort(self):
self.collector.shutdown()
@property
def hardware_name(self):
return DRIVER_NAME
def genLoopPackets(self):
while True:
try:
data = self.collector.queue.get(True, 10)
logdbg('data: %s' % data)
pkt = self.data_to_packet(data)
logdbg('packet: %s' % pkt)
if pkt:
yield pkt
except Queue.Empty:
pass
def data_to_packet(self, data):
# convert netatmo data to format for database
packet = dict()
packet['dateTime'] = int(time.time() + 0.5)
packet['usUnits'] = weewx.METRIC
for n in self.sensor_map:
label = self._find_match(self.sensor_map[n], data.keys())
if label:
packet[n] = data.get(label)
return packet
@staticmethod
def _find_match(pattern, keylist):
pparts = pattern.split('.')
if len(pparts) != 3:
return None
for k in keylist:
kparts = k.split('.')
if len(kparts) != 3:
return None
if (NetatmoDriver._part_match(pparts[0], kparts[0]) and
NetatmoDriver._part_match(pparts[1], kparts[1]) and
NetatmoDriver._part_match(pparts[2], kparts[2])):
return k
return None
@staticmethod
def _part_match(pattern, value):
if pattern == value:
return True
if pattern == '*' and value:
return True
return False
class Collector(object):
queue = Queue.Queue()
def startup(self):
pass
def shutdown(self):
pass
class CloudClient(Collector):
"""Poll the netatmo servers for data. Put the result on the queue.
noise is measured in dB
co2 is measured in ppm
rain is measured in mm
temperatures are measured in C or F
the user object indicates the units of the download
unit: 0: metric, 1: imperial
windunit: 0: kph, 1: mph, 2: m/s, 3: beafort, 4: knot
pressureunit: 0: mbar, 1: inHg, 2: mmHg
lang: user locale
reg_locale: regional preferences for date
feel_like_algo: 0: humidex, 1: heat-index
rf_status is a mapping to rssi (+dB)
0: 90, 1: 80, 2: 70, 3: 60
wifi_status is a mapping to rssi (+dB)
0: 86, 1: 71, 2: 56
battery_vp measures battery capacity
indoor: 6000-4200; 0: 5640, 1: 5280, 2: 4920, 3: 4560
rain/outdoor: 6000-3600; 0: 5500, 1: 5000, 2: 4500, 3: 4000
wind: 6000-3950; 0: 5590, 1: 5180, 2: 4770, 3: 4360
"""
# endpoints for the cloud queries
NETATMO_URL = 'https://api.netatmo.net'
AUTH_URL = '/oauth2/token'
DATA_URL = '/api/getstationsdata'
# mapping between observation name and function used to convert it
CONVERSIONS = {
# 'Temperature': '_cvt_temperature',
# 'AbsolutePressure': '_cvt_pressure',
# 'Pressure': '_cvt_pressure',
# 'WindStrength': '_cvt_speed',
# 'GustStrength': '_cvt_speed',
'Rain': '_cvt_rain',
'sum_rain_24': '_cvt_rain',
'sum_rain_1': '_cvt_rain'}
# list of source units we need to watch for
UNITS = ['unit', 'windunit', 'pressureunit']
# these items are tracked from every module and every device
DASHBOARD_ITEMS = [
'Temperature', 'Humidity', 'AbsolutePressure', 'Pressure',
'CO2', 'Noise', 'Rain', 'sum_rain_24', 'sum_rain_1',
'WindStrength', 'WindAngle', 'GustStrength', 'GustAngle']
META_ITEMS = [
'wifi_status', 'rf_status', 'battery_vp', 'co2_calibrating',
'_id', 'module_name', 'last_status_store', 'last_seen',
'battery_percent',
'firmware', 'last_setup', 'last_upgrade', 'date_setup']
def __init__(self, username, password, client_id, client_secret,
device_id=None, poll_interval=300, max_tries=3, retry_wait=30):
self._poll_interval = poll_interval
self._max_tries = max_tries
self._retry_wait = retry_wait
self._device_id = device_id
self._auth = CloudClient.ClientAuth(
username, password, client_id, client_secret)
self._sd = CloudClient.StationData(self._auth)
self._thread = None
self._collect_data = False
def collect_data(self):
"""Loop forever, wake up periodically to see if it is time to quit."""
last_poll = 0
while self._collect_data:
now = int(time.time())
if now - last_poll > self._poll_interval:
for tries in range(self._max_tries):
try:
CloudClient.get_data(self._sd, self._device_id)
break
except (socket.error, socket.timeout, urllib2.HTTPError, urllib2.URLError), e:
logerr("failed attempt %s of %s to get data: %s" %
(tries + 1, self._max_tries, e))
logdbg("waiting %s seconds before retry" %
self._retry_wait)
time.sleep(self._retry_wait)
except Exception, e:
logerr("exception in netatmo-client: %s" % e)
weeutil.weeutil.log_traceback('*** ', syslog.LOG_DEBUG)
else:
logerr("failed to get data after %d attempts" %
self._max_tries)
last_poll = now
logdbg('next update in %s seconds' % self._poll_interval)
time.sleep(1)
@staticmethod
def get_data(sd, device_id):
"""Query the server for each device and module, put data on queue"""
raw_data = sd.get_data(device_id)
units_dict = dict((x, raw_data['user']['administrative'][x])
for x in CloudClient.UNITS)
logdbg('cloud units: %s' % units_dict)
# i would prefer to do partial packets, but there is no guarantee that
# the timestamps will not align. so aggregate into a single packet,
# and let the driver figure out what timestamp it wants to put on it.
alldata = dict() # single dict with all devices and modules
for d in raw_data['devices']:
data = CloudClient.extract_data(d, units_dict)
data = CloudClient.apply_labels(data, d['_id'], d['type'])
alldata.update(data)
# Collector.queue.put(data)
for m in d['modules']:
data = CloudClient.extract_data(m, units_dict)
data = CloudClient.apply_labels(data, m['_id'], m['type'])
alldata.update(data)
# Collector.queue.put(data)
Collector.queue.put(alldata)
@staticmethod
def extract_data(x, units_dict):
"""Extract data we care about from a device or module"""
data = dict()
# if contact with sensors is lost, then there will be no dashboard_data
if 'dashboard_data' not in x:
return data
if 'time_utc' in x['dashboard_data']:
data['time_utc'] = x['dashboard_data']['time_utc']
for n in CloudClient.META_ITEMS:
if n in x:
data[n] = x[n]
for n in CloudClient.DASHBOARD_ITEMS:
if n in x['dashboard_data']:
data[n] = x['dashboard_data'][n]
# do any unit conversions - everything converts to weewx.METRIC
for n in data:
if n in CloudClient.CONVERSIONS:
try:
func = CloudClient.CONVERSIONS.get(n)
data[n] = getattr(CloudClient, func)(data[n], units_dict)
except ValueError, e:
logerr("unit conversion failed for %s: %s" % (data[n], e))
data[n] = None
return data
@staticmethod
def apply_labels(data, xid, xtype):
"""Copy the data dict but use fully-qualified keys"""
return dict(("%s.%s.%s" % (xid, xtype, n), data[n]) for n in data)
# new_data = dict()
# for n in data:
# new_data["%s.%s.%s" % (xid, xtype, n)] = data[n]
# return new_data
@staticmethod
def _cvt_pressure(x, from_unit_dict):
# pressureunit: 0: mbar, 1: inHg, 2: mmHg
if from_unit_dict['pressureunit'] == 1:
x /= INHG_PER_MBAR
elif from_unit_dict['pressureunit'] == 2:
x /= INHG_PER_MBAR * 25.4
return x
@staticmethod
def _cvt_speed(x, from_unit_dict):
# windunit: 0: kph, 1: mph, 2: m/s, 3: beafort, 4: knot
if from_unit_dict['windunit'] == 1:
x *= MPH_TO_KPH
elif from_unit_dict['windunit'] == 2:
x *= MPS_TO_KPH
elif from_unit_dict['windunit'] == 3:
x = BEAFORT_TO_KPH.get(x)
elif from_unit_dict['windunit'] == 4:
x *= KNOT_TO_KPH
return x
@staticmethod
def _cvt_temperature(x, from_unit_dict):
if from_unit_dict['unit'] == 1:
x = weewx.wxformulas.FtoC(x)
return x
@staticmethod
def _cvt_rain(x, from_unit_dict):
# convert mm to cm since weewx METRIC wants cm
return x * 0.1
def startup(self):
"""Start a thread that collects data from the netatmo servers."""
self._thread = CloudClient.CollectorThread(self)
self._collect_data = True
self._thread.start()
def shutdown(self):
"""Tell the thread to stop, then wait for it to finish."""
if self._thread:
self._collect_data = False
self._thread.join()
self._thread = None
class CollectorThread(threading.Thread):
def __init__(self, client):
threading.Thread.__init__(self)
self.client = client
self.name = 'netatmo-client'
def run(self):
self.client.collect_data()
class ClientAuth(object):
"""Encapsulate the client authentication data and protocols. This
object contains the username, password, client_id, and client_secret
that are required to obtain authorization tokens from netatmo.com.
It will re-query the netatmo server whenever the tokens have expired"""
def __init__(self, username, password, client_id, client_secret):
self._username = username
self._password = password
self._client_id = client_id
self._client_secret = client_secret
self._access_token = None
self._refresh_token = None
self._scope = None
self._expiration = None
def obtain_token(self):
params = {
'grant_type': 'password',
'client_id': self._client_id,
'client_secret': self._client_secret,
'username': self._username,
'password': self._password,
'scope': 'read_station'}
resp = CloudClient.post_request(CloudClient.AUTH_URL, params)
self._access_token = resp['access_token']
self._refresh_token = resp['refresh_token']
self._scope = resp['scope']
self._expiration = int(resp['expire_in'] + time.time())
# clear credentials cache
self._username = self._password = None
@property
def access_token(self):
if self._access_token is None:
self.obtain_token()
if self._access_token is None:
return None # FIXME: indicate failure
if self._expiration < time.time():
params = {
'grant_type': 'refresh_token',
'refresh_token': self._refresh_token,
'client_id': self._client_id,
'client_secret': self._client_secret}
resp = CloudClient.post_request(CloudClient.AUTH_URL, params)
self._access_token = resp['access_token']
self._refresh_token = resp['refresh_token']
self._expiration = int(resp['expire_in'] + time.time())
return self._access_token
class StationData(object):
def __init__(self, auth):
self._auth = auth
self._last_update = 0
self._raw_data = dict()
def get_data(self, device_id=None, stale=300):
if int(time.time()) - self._last_update > stale:
params = {'access_token': self._auth.access_token}
if device_id:
params['device_id'] = device_id
resp = CloudClient.post_request(CloudClient.DATA_URL, params)
self._raw_data = dict(resp['body'])
self._last_update = int(time.time())
return self._raw_data
@staticmethod
def post_request(url, params):
# netatmo response body size is limited to 64K
url = CloudClient.NETATMO_URL + url
params = urlencode(params)
headers = {
"Content-Type": "application/x-www-form-urlencoded;charset=utf-8"}
logdbg("url: %s data: %s hdr: %s" % (url, params, headers))
req = urllib2.Request(url=url, data=params, headers=headers)
resp = urllib2.urlopen(req).read(65535)
resp_obj = json.loads(resp)
logdbg("resp_obj: %s" % resp_obj)
return resp_obj
class PacketSniffer(Collector):
"""listen for incoming packets then parse them. put result on queue."""
def startup(self):
pass
def shutdown(self):
pass
class Packet(object):
_HDR = re.compile('(\d+).(\d+) IP (\S+) > (\S+):')
_DATA = re.compile('0x00\d0: (.*)')
def lines2packets(lines):
pkts = []
ts = None
src = None
dst = None
data = []
for line in lines:
line = line.strip()
PacketSniffer.Packet._HDR.search(line)
if m:
ts = m.group(1)
src = m.group(3)
dst = m.group(4)
data = []
pkts.append({'dateTime': ts, 'src': src, 'dst': dst,
'data': ''.join(data)})
continue
PacketSniffer.Packet._DATA.search(line)
if m:
data.append(m.group(1))
continue
return pkts
@staticmethod
def parse_data(data):
pkt = dict()
return pkt
# To test this driver, do the following:
# PYTHONPATH=bin python user/netatmo.py
if __name__ == "__main__":
usage = """%prog [options] [--help]"""
def main():
import optparse
syslog.openlog('wee_netatmo', syslog.LOG_PID | syslog.LOG_CONS)
parser = optparse.OptionParser(usage=usage)
parser.add_option('--version', dest='version', action='store_true',
help='display driver version')
parser.add_option('--debug', dest='debug', action='store_true',
help='display diagnostic information while running')
parser.add_option('--run-sniff-driver', dest='ts', action='store_true',
help='run the driver in packet sniff mode')
parser.add_option('--run-cloud-driver', dest='tc', action='store_true',
help='run the driver in cloud client mode')
parser.add_option('--test-parse', dest='tp', metavar='FILENAME',
help='test the tcp packet parser')
parser.add_option('--username', dest='username', metavar='USERNAME',
help='username for cloud mode')
parser.add_option('--password', dest='password', metavar='PASSWORD',
help='password for cloud mode')
parser.add_option('--client-id', dest='ci', metavar='CLIENT_ID',
help='client_id for cloud mode')
parser.add_option('--client-secret', dest='cs', metavar='CLIENT_SECRET',
help='client_secret for cloud mode')
parser.add_option('--get-stn-data', dest='sdata', action='store_true',
help='get formatted station data from cloud')
parser.add_option('--get-json-data', dest='jdata', action='store_true',
help='get all cloud data as json response')
(opts, args) = parser.parse_args()
if opts.debug:
syslog.setlogmask(syslog.LOG_UPTO(syslog.LOG_DEBUG))
if opts.ts:
run_packet_driver()
if opts.tc:
run_cloud_driver(opts.username, opts.password, opts.ci, opts.cs)
if opts.tp:
test_parse(options.tp)
if opts.sdata:
get_station_data(opts.username, opts.password, opts.ci, opts.cs)
if opts.jdata:
get_json_data(opts.username, opts.password, opts.ci, opts.cs)
def run_sniff_driver():
import weeutil.weeutil
driver = NetatmoDriver({'mode': 'sniff'})
for pkt in driver.genLoopPackets():
print weeutil.weeutil.timestamp_to_string(pkt['dateTime']), pkt
def run_cloud_driver(username, password, c_id, c_secret):
import weeutil.weeutil
driver = None
try:
driver = NetatmoDriver(mode='cloud',
username=username, password=password,
client_id=c_id, client_secret=c_secret)
for pkt in driver.genLoopPackets():
print weeutil.weeutil.timestamp_to_string(pkt['dateTime']), pkt
except KeyboardInterrupt:
driver.closePort()
def get_station_data(username, password, c_id, c_secret):
auth = CloudClient.ClientAuth(username, password, c_id, c_secret)
sd = CloudClient.StationData(auth)
ppv('station data', sd.get_data())
def get_json_data(username, password, c_id, c_secret):
auth = CloudClient.ClientAuth(username, password, c_id, c_secret)
params = {'access_token': auth.access_token, 'app_type': 'app_station'}
reply = CloudClient.post_request(CloudClient.DATA_URL, params)
print json.dumps(reply, sort_keys=True, indent=2)
def test_parse(filename):
lines = []
with open(filename, "r") as f:
while f:
lines.append(f.readline())
print PacketSniffer.Packet.lines2packets(''.join(lines))
def ppv(label, x, level=0):
"""pretty-print a variable, recursing if it is a dict"""
indent = ' '
if type(x) is dict:
print "%s%s" % (indent * level, label)
for n in x:
ppv(n, x[n], level=level+1)
elif type(x) is list:
print "%s[" % (indent * level)
for i, y in enumerate(x):
ppv("%s %s" % (label, i), y, level=level+1)
print "%s]" % (indent * level)
else:
print "%s%s=%s" % (indent * level, label, x)
main()