Fix docstring/load_dotenv ordering in foundry samples and add try/finally cleanup

Agent-Logs-Url: https://github.com/microsoft/agent-framework/sessions/382df85c-cf3c-4802-97e0-a6df35fc9876

Co-authored-by: chetantoshniwal <255221507+chetantoshniwal@users.noreply.github.com>

python/samples/02-agents/providers/foundry/foundry_agent_basic.py

@@ -7,8 +7,6 @@ from agent_framework.foundry import FoundryAgent
 from azure.identity import AzureCliCredential
 from dotenv import load_dotenv
 
-# Load environment variables from .env file
-load_dotenv()
 """
 Foundry Agent — Connect to a pre-configured agent in Microsoft Foundry
 
@@ -22,6 +20,9 @@ Environment variables:
     FOUNDRY_AGENT_VERSION    — Version of the agent (optional, for PromptAgents)
 """
 
+# Load environment variables from .env file
+load_dotenv()
+
 
 async def main() -> None:
     agent = FoundryAgent(

python/samples/02-agents/providers/foundry/foundry_agent_custom_client.py

@@ -8,9 +8,6 @@ from agent_framework.foundry import FoundryAgent, RawFoundryAgentChatClient
 from azure.identity import AzureCliCredential
 from dotenv import load_dotenv
 
-# Load environment variables from .env file
-load_dotenv()
-
 """
 Foundry Agent — Custom client configuration
 
@@ -26,6 +23,9 @@ Environment variables:
     FOUNDRY_AGENT_VERSION    — Version of the agent (optional, for PromptAgents)
 """
 
+# Load environment variables from .env file
+load_dotenv()
+
 
 async def main() -> None:
     # Option 1: Default — full middleware on both agent and client

python/samples/02-agents/providers/foundry/foundry_agent_hosted.py

@@ -7,9 +7,6 @@ from agent_framework.foundry import FoundryAgent
 from azure.identity import AzureCliCredential
 from dotenv import load_dotenv
 
-# Load environment variables from .env file
-load_dotenv()
-
 """
 Foundry Agent — Connect to a HostedAgent (no version needed)
 
@@ -21,6 +18,9 @@ Environment variables:
     FOUNDRY_AGENT_NAME       — Name of the hosted agent
 """
 
+# Load environment variables from .env file
+load_dotenv()
+
 
 async def main() -> None:
     # HostedAgents don't need agent_version

python/samples/02-agents/providers/foundry/foundry_agent_with_env_vars.py

@@ -7,8 +7,6 @@ from agent_framework.foundry import FoundryAgent
 from azure.identity import AzureCliCredential
 from dotenv import load_dotenv
 
-# Load environment variables from .env file
-load_dotenv()
 """
 Foundry Agent with Environment Variables
 
@@ -21,6 +19,9 @@ Environment variables:
     FOUNDRY_AGENT_VERSION    — Version of the agent (optional, for PromptAgents)
 """
 
+# Load environment variables from .env file
+load_dotenv()
+
 
 async def main() -> None:
     agent = FoundryAgent(

python/samples/02-agents/providers/foundry/foundry_agent_with_function_tools.py

@@ -10,9 +10,6 @@ from azure.identity import AzureCliCredential
 from dotenv import load_dotenv
 from pydantic import Field
 
-# Load environment variables from .env file
-load_dotenv()
-
 """
 Foundry Agent with Local Function Tools
 
@@ -29,6 +26,9 @@ Environment variables:
     FOUNDRY_AGENT_VERSION    — Version of the agent
 """
 
+# Load environment variables from .env file
+load_dotenv()
+
 
 @tool(approval_mode="never_require")
 def get_weather(

python/samples/02-agents/providers/foundry/foundry_chat_client_code_interpreter_files.py

@@ -10,9 +10,6 @@ from azure.identity import AzureCliCredential
 from dotenv import load_dotenv
 from openai import AsyncOpenAI
 
-# Load environment variables from .env file
-load_dotenv()
-
 """
 Foundry Chat Client with Code Interpreter and Files Example
 
@@ -24,6 +21,9 @@ Environment variables:
     FOUNDRY_MODEL            — Model deployment name (e.g. "gpt-4o")
 """
 
+# Load environment variables from .env file
+load_dotenv()
+
 # Helper functions
 
 
@@ -82,22 +82,23 @@ async def main() -> None:
 
     temp_file_path, file_id = await create_sample_file_and_upload(openai_client)
 
-    # Create code interpreter tool with file access
-    code_interpreter_tool = client.get_code_interpreter_tool(file_ids=[file_id])
+    try:
+        # Create code interpreter tool with file access
+        code_interpreter_tool = client.get_code_interpreter_tool(file_ids=[file_id])
 
-    agent = Agent(
-        client=client,
-        instructions="You are a helpful assistant that can analyze data files using Python code.",
-        tools=[code_interpreter_tool],
-    )
+        agent = Agent(
+            client=client,
+            instructions="You are a helpful assistant that can analyze data files using Python code.",
+            tools=[code_interpreter_tool],
+        )
 
-    # Test the code interpreter with the uploaded file
-    query = "Analyze the employee data in the uploaded CSV file. Calculate average salary by department."
-    print(f"User: {query}")
-    result = await agent.run(query)
-    print(f"Agent: {result.text}")
-
-    await cleanup_files(openai_client, temp_file_path, file_id)
+        # Test the code interpreter with the uploaded file
+        query = "Analyze the employee data in the uploaded CSV file. Calculate average salary by department."
+        print(f"User: {query}")
+        result = await agent.run(query)
+        print(f"Agent: {result.text}")
+    finally:
+        await cleanup_files(openai_client, temp_file_path, file_id)
 
 
 if __name__ == "__main__":