refactor: Extract default Authorization header setup into a helper

Author: vdusek

src/apify_client/_apify_client.py

@@ -253,9 +253,8 @@ def call(self, *, method, url, **kwargs) -> HttpResponse:
             http_client: A custom HTTP client instance extending `HttpClient`.
         """
         instance = cls(token=token, api_url=api_url, api_public_url=api_public_url)
-        client_headers = http_client._headers  # noqa: SLF001
-        if token is not None and not any(key.title() == 'Authorization' for key in client_headers):
-            client_headers['Authorization'] = f'Bearer {token}'
+        if token is not None:
+            http_client._set_default_authorization(token)  # noqa: SLF001
         instance._http_client = http_client
         return instance
 
@@ -616,9 +615,8 @@ async def call(self, *, method, url, **kwargs) -> HttpResponse:
             http_client: A custom HTTP client instance extending `HttpClientAsync`.
         """
         instance = cls(token=token, api_url=api_url, api_public_url=api_public_url)
-        client_headers = http_client._headers  # noqa: SLF001
-        if token is not None and not any(key.title() == 'Authorization' for key in client_headers):
-            client_headers['Authorization'] = f'Bearer {token}'
+        if token is not None:
+            http_client._set_default_authorization(token)  # noqa: SLF001
         instance._http_client = http_client
         return instance
 

src/apify_client/http_clients/_base.py

@@ -145,6 +145,11 @@ def __init__(
 
         self._headers = {**default_headers, **(headers or {})}
 
+    def _set_default_authorization(self, token: str) -> None:
+        """Set the `Authorization` header from the token, unless an authorization header is already configured."""
+        if not any(key.title() == 'Authorization' for key in self._headers):
+            self._headers['Authorization'] = f'Bearer {token}'
+
     @staticmethod
     def _parse_params(params: dict[str, Any] | None) -> dict[str, Any] | None:
         """Convert request parameters to Apify API-compatible formats.