Cache 404 Responses

RELEASE.md

@@ -1,5 +1,9 @@
 # RELEASE NOTES
 
+## v0.7.10 - Cache 404 Responses
+
+* Add cache and extended TTL for 404 responses from Powerwall as identified in issue https://github.com/jasonacox/Powerwall-Dashboard/issues/449. This will help reduce load on Powerwall gateway that may be causing rate limiting for some users (Firmware 23.44.0+).
+
 ## v0.7.9 - Cloud Grid Status
 
 * Bug fix for correct grid status for Solar-Only systems on `cloud mode` (see https://github.com/jasonacox/Powerwall-Dashboard/issues/437)

proxy/Dockerfile

@@ -1,6 +1,6 @@
 FROM python:3.10-alpine
 WORKDIR /app
-RUN pip3 install pypowerwall==0.7.9 bs4
+RUN pip3 install pypowerwall==0.7.10 bs4
 COPY . .
 CMD ["python3", "server.py"]
 EXPOSE 8675 

pypowerwall/__init__.py

@@ -74,7 +74,7 @@
 from . import tesla_pb2           # Protobuf definition for vitals
 from . import cloud               # Tesla Cloud API
 
-version_tuple = (0, 7, 9)
+version_tuple = (0, 7, 10)
 version = __version__ = '%d.%d.%d' % version_tuple
 __author__ = 'jasonacox'
 
@@ -296,7 +296,9 @@ def poll(self, api='/api/site_info/site_name', jsonformat=False, raw=False, recu
                 log.debug('ERROR Unknown error connecting to Powerwall at %s' % url)
                 return None
             if r.status_code == 404:
-                # API not found or no longer supported
+                # API not found or no longer supported - cache and increase cache TTL by 10 minutes
+                self.pwcachetime[api] = time.perf_counter() + 600
+                self.pwcache[api] = None
                 log.debug('404 Powerwall API not found at %s' % url)
                 return None
             if r.status_code >= 400 and r.status_code < 500: