Add automatic discovery of the auth service location

Author: astoff

smartextract/__init__.py

@@ -37,7 +37,7 @@
     from typing import Self  # For Python ≤ 3.10
 
 
-__version__ = "0.6"
+__version__ = "0.6.1"
 
 DEFAULT_BASE_URL = "https://api.smartextract.ai"
 DEFAULT_TIMEOUT = 600  # seconds

smartextract/_oauth.py

@@ -38,11 +38,11 @@ def __init__(self, base_url: str, token_file: str | Path | None) -> None:
 
     @functools.cached_property
     def oauth_client(self) -> BaseOAuth2:
+        with httpx.Client(base_url=self.base_url, follow_redirects=True) as client:
+            r = client.get("/auth")
+        r.raise_for_status()
         return OpenID(
-            openid_configuration_endpoint=urljoin(
-                self.base_url.replace("api.", "auth."),
-                "auth/realms/smartextract/.well-known/openid-configuration",
-            ),
+            openid_configuration_endpoint=f"{r.url}/.well-known/openid-configuration",
             client_id="smartextract-sdk",
             client_secret="",
         )