Retry failed requests with backoff to make unstable connections less …

…flaky (#399)

* Add backoff to retry request on error

* Update tests

* Use max_tries instead max_time to stabalize retry count

homewizard_energy/homewizard_energy.py

@@ -9,6 +9,7 @@
 from typing import Any, TypeVar
 
 import async_timeout
+import backoff
 from aiohttp.client import ClientError, ClientResponseError, ClientSession
 from aiohttp.hdrs import METH_GET, METH_PUT
 
@@ -145,6 +146,7 @@ async def identify(
         await self.request("api/v1/identify", method=METH_PUT)
         return True
 
+    @backoff.on_exception(backoff.expo, RequestError, max_tries=5)
     async def request(
         self, path: str, method: str = METH_GET, data: object = None
     ) -> Any:

pyproject.toml

@@ -20,6 +20,7 @@ python = "^3.9"
 aiohttp = ">=3.0.0"
 async-timeout = "^4.0.3"
 multidict = "^6.0.5" ## To fix aiohttp dependency at python 3.12
+backoff = "^2.2.1"
 
 [tool.poetry.dev-dependencies]
 aresponses = "^3.0.0"

tests/test_homewizard_energy.py

@@ -565,7 +565,7 @@ async def test_request_timeout():
     with pytest.raises(RequestError):
         await api.request("api/v1/data")
 
-    assert api._session.request.call_count == 1
+    assert api._session.request.call_count == 5
 
 
 async def test_close_when_out_of_scope():