Python: [BREAKING] added SerializationMixin and applied to contents, agents, chat client… (#1012)

* added SerializationMixin and applied to contents, agents, chat clients, removed AFBaseModel

* fix annotations type

* mypy fixes

* fix tests

* fix serializable subvalues and added large docstring

* updated indents in code block

* fixed exported urls

python/tests/samples/__init__.py

@@ -1,3 +0,0 @@
-# Copyright (c) Microsoft. All rights reserved.
-
-"""Sample tests package."""

python/tests/samples/getting_started/__init__.py

@@ -1,3 +0,0 @@
-# Copyright (c) Microsoft. All rights reserved.
-
-"""Getting started sample tests."""

python/tests/samples/getting_started/test_agent_samples.py

@@ -146,7 +146,6 @@ from samples.getting_started.agents.openai.openai_responses_client_with_thread i
 from samples.getting_started.agents.openai.openai_responses_client_with_web_search import (
     main as openai_responses_client_with_web_search,
 )
-from tests.sample_utils import retry
 
 # Environment variable for controlling sample tests
 RUN_SAMPLES_TESTS = "RUN_SAMPLES_TESTS"
@@ -579,6 +578,7 @@ agent_samples = [
 ]
 
 
+@pytest.mark.flaky
 @mark.parametrize("sample, responses", agent_samples)
 async def test_agent_samples(sample: Callable[..., Awaitable[Any]], responses: list[str], monkeypatch: MonkeyPatch):
     """Test agent samples with input mocking and retry logic."""
@@ -592,4 +592,4 @@ async def test_agent_samples(sample: Callable[..., Awaitable[Any]], responses: l
         return responses.pop(0) if responses else "exit"
 
     monkeypatch.setattr("builtins.input", mock_input)
-    await retry(sample, retries=3, reset=reset)
+    await sample

python/tests/samples/getting_started/test_chat_client_samples.py

@@ -32,7 +32,6 @@ from samples.getting_started.chat_client.openai_chat_client import (
 from samples.getting_started.chat_client.openai_responses_client import (
     main as openai_responses_client,
 )
-from tests.sample_utils import retry
 
 # Environment variable for controlling sample tests
 RUN_SAMPLES_TESTS = "RUN_SAMPLES_TESTS"
@@ -132,4 +131,4 @@ async def test_chat_client_samples(
         return responses.pop(0) if responses else "exit"
 
     monkeypatch.setattr("builtins.input", mock_input)
-    await retry(sample, retries=3, reset=reset)
+    await sample

python/tests/samples/getting_started/test_threads_samples.py

@@ -10,7 +10,6 @@ from pytest import MonkeyPatch, mark, param
 
 from samples.getting_started.threads.custom_chat_message_store_thread import main as threads_custom_store
 from samples.getting_started.threads.suspend_resume_thread import main as threads_suspend_resume
-from tests.sample_utils import retry
 
 # Environment variable for controlling sample tests
 RUN_SAMPLES_TESTS = "RUN_SAMPLES_TESTS"
@@ -51,4 +50,4 @@ async def test_thread_samples(sample: Callable[..., Awaitable[Any]], responses:
         return responses.pop(0) if responses else "exit"
 
     monkeypatch.setattr("builtins.input", mock_input)
-    await retry(sample, retries=3, reset=reset)
+    await sample