fix cdek client

app/adapters/delivery_providers/base.py

@@ -14,3 +14,7 @@ class DeliveryProvider(ABC):
         """Fetch one quote from an external provider."""
 
         raise NotImplementedError
+
+
+class ProviderRequestError(RuntimeError):
+    """Raised when a provider rejects input request data."""

app/adapters/delivery_providers/cdek/client.py

@@ -1,23 +1,38 @@
 """CDEK HTTP client and provider adapter."""
 
 import asyncio
+import sys
 from collections.abc import Awaitable, Callable
 from typing import Any
 
 import httpx
 
-from app.adapters.delivery_providers.base import DeliveryProvider
+from app.adapters.delivery_providers.base import DeliveryProvider, ProviderRequestError
 from app.adapters.delivery_providers.cdek.auth import CDEKAuthClient
 from app.adapters.delivery_providers.cdek.mapper import map_cdek_response
 from app.config import AdapterConfig
 from app.schemas.request import DeliveryRequest
 from app.schemas.response import DeliveryPrice
+import logging
+
+
+logging.basicConfig(
+    level=logging.INFO,
+    format="%(asctime)s [%(levelname)s] %(name)s: %(message)s",
+    handlers=[logging.StreamHandler(sys.stdout)]  # важно: stdout, не stderr
+)
+log = logging.getLogger(__name__)
+log.info("test")
 
 
 class CDEKClientError(RuntimeError):
     """Raised when CDEK tariff request fails."""
 
 
+class CDEKRequestError(CDEKClientError, ProviderRequestError):
+    """Raised when CDEK rejects request data as invalid."""
+
+
 class CDEKClient:
     def __init__(
         self,
@@ -133,6 +148,7 @@ class CDEKClient:
                 raise CDEKClientError(
                     f"CDEK city lookup failed with status {response.status_code}."
                 )
+            log.info(response.json())
             try:
                 response.raise_for_status()
                 body = response.json()
@@ -143,7 +159,9 @@ class CDEKClient:
             raise CDEKClientError("CDEK city lookup failed unexpectedly.")
 
         if not isinstance(body, list) or not body:
-            raise CDEKClientError(f"CDEK city lookup returned no matches for '{city}'.")
+            raise CDEKRequestError(
+                f"CDEK city lookup returned no matches for '{city}'."
+            )
         first_item = body[0]
         if not isinstance(first_item, dict):
             raise CDEKClientError("CDEK city lookup response entry must be an object.")