Python: Implemented FoundryChatClient (#193)

* Initial version of FoundryChatClient

* Updates to the tool call streaming wrapper

* Small fixes

* Small updates and addressed PR feedback

* Handle automatic client creation

* Small improvement

* Added credential parameter

* Small improvements

* Made FoundryChatClient disposable

* Small fixes

* Added unit tests

* Refactored samples

* Small improvements

* Small fix

* Addressed PR feedback

* Small fixes

* Small updates

* Small fix

* Addressed PR feedback

python/packages/main/agent_framework/foundry/__init__.py

@@ -0,0 +1,24 @@
+# Copyright (c) Microsoft. All rights reserved.
+
+import importlib
+from typing import Any
+
+PACKAGE_NAME = "agent_framework_foundry"
+PACKAGE_EXTRA = "foundry"
+_IMPORTS = ["__version__", "FoundryChatClient"]
+
+
+def __getattr__(name: str) -> Any:
+    if name in _IMPORTS:
+        try:
+            return getattr(importlib.import_module(PACKAGE_NAME), name)
+        except ModuleNotFoundError as exc:
+            raise ModuleNotFoundError(
+                f"The '{PACKAGE_EXTRA}' extra is not installed, "
+                f"please do `pip install agent-framework[{PACKAGE_EXTRA}]`"
+            ) from exc
+    raise AttributeError(f"Module {PACKAGE_NAME} has no attribute {name}.")
+
+
+def __dir__() -> list[str]:
+    return _IMPORTS

python/packages/main/agent_framework/foundry/__init__.pyi

@@ -0,0 +1,5 @@
+# Copyright (c) Microsoft. All rights reserved.
+
+from agent_framework_foundry import FoundryChatClient, __version__
+
+__all__ = ["FoundryChatClient", "__version__"]