Add API response tracing

See https://docs.aiohttp.org/en/stable/client_advanced.html#client-tracing

myskoda/__init__.py

@@ -20,7 +20,7 @@
     user,
 )
 from .mqtt import Mqtt
-from .myskoda import MySkoda
+from .myskoda import TRACE_CONFIG, MySkoda
 from .rest_api import RestApi
 from .vehicle import Vehicle
 
@@ -44,4 +44,5 @@
     "Mqtt",
     "Vehicle",
     "user",
+    "TRACE_CONFIG",
 ]

myskoda/cli.py

@@ -24,7 +24,7 @@
     OpenState,
 )
 from .models.operation_request import OperationName, OperationStatus
-from .myskoda import MySkoda
+from .myskoda import TRACE_CONFIG, MySkoda
 
 
 @click.group()
@@ -40,7 +40,10 @@ async def cli(ctx: Context, username: str, password: str, verbose: bool) -> None
     ctx.obj["username"] = username
     ctx.obj["password"] = password
 
-    session = ClientSession()
+    trace_configs = []
+    if verbose:
+        trace_configs.append(TRACE_CONFIG)
+    session = ClientSession(trace_configs=trace_configs)
     myskoda = MySkoda(session)
     await myskoda.connect(username, password)
 

myskoda/myskoda.py

@@ -7,8 +7,9 @@
 from asyncio import gather
 from collections.abc import Awaitable, Callable
 from ssl import SSLContext
+from types import SimpleNamespace
 
-from aiohttp import ClientSession
+from aiohttp import ClientSession, TraceConfig, TraceRequestEndParams
 
 from .event import Event
 from .models.air_conditioning import AirConditioning
@@ -29,6 +30,23 @@
 _LOGGER = logging.getLogger(__name__)
 
 
+async def trace_response(
+    _session: ClientSession,
+    _trace_config_ctx: SimpleNamespace,
+    params: TraceRequestEndParams,
+) -> None:
+    """Log response details. Used in aiohttp.TraceConfig."""
+    _LOGGER.debug(
+        f"Trace: {params.method} {str(params.url)[:60]} - "
+        f"response: {params.response.status} ({params.response.content_length} bytes) "
+        f"{(await params.response.text())[:1000]}"
+    )
+
+
+TRACE_CONFIG = TraceConfig()
+TRACE_CONFIG.on_request_end.append(trace_response)
+
+
 class MySkoda:
     session: ClientSession
     rest_api: RestApi