Fix log level deprecation

README.md

@@ -13,7 +13,7 @@ Export required env vars:
     export OS_API_URL='http://opensprinkler.lan:8080'
     export OS_API_PW='...'
 
-Optionally increase log level:
+Optionally increase the [log level](https://docs.python.org/3/library/logging.html#logging-levels):
 
     export LOGLEVEL=DEBUG
 

opensprinkler_prometheus_exporter.py

@@ -26,7 +26,7 @@ from prometheus_client import start_http_server, Gauge
 
 logging.basicConfig()
 log = logging.getLogger(__name__)
-loglevel = os.environ.get('LOGLEVEL', 'WARN').upper()
+loglevel = os.environ.get('LOGLEVEL', 'WARNING').upper()
 log.setLevel(level=loglevel)
 
 
@@ -99,7 +99,7 @@ def main():
                     wt_wind.set(wtdata['wind'])
                     wt_precip.set(wtdata['p'])
                 else:
-                    log.warn('Opensprinkler couldnt get weather provider data, error code: {}'
+                    log.warning('Opensprinkler couldnt get weather provider data, error code: {}'
                                 .format(wterr))
 
                 sun.labels(type='sunrise').set(j['settings']['sunrise'])