symphony/client: add settings module

Also use pydantic-settings here for now. Add options for auth, and base
url.

symphony/client/pyproject.toml

@@ -41,4 +41,5 @@ packages = [
 
 [tool.poetry.dependencies]
 aiohttp = "3.9.5"
+pydantic-settings = "2.6.1"
 simbricks-orchestration = "*"

symphony/client/simbricks/client/settings.py

+# Copyright 2024 Max Planck Institute for Software Systems, and
+# National University of Singapore
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+from functools import lru_cache
+from pydantic_settings import BaseSettings, SettingsConfigDict
+
+class ClientSettings(BaseSettings):
+    base_url: str = "https://app.simbricks.io/api"
+
+    auth_client_id: str = "api.auth.simbricks.io"
+    auth_token_url: str = "https://auth.simbricks.io/realms/SimBricks/protocol/openid-connect/token"
+    auth_dev_url: str = "https://auth.simbricks.io/realms/SimBricks/protocol/openid-connect/auth/device"
+
+@lru_cache
+def client_settings() -> ClientSettings:
+    return ClientSettings(_env_file="internal.env", _env_file_encoding="utf-8")
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