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@naomi-lgbt naomi-lgbt commented May 14, 2025

Closes #525

Summary by CodeRabbit

  • New Features

    • Added a new example script demonstrating how to interact with a Deepgram AI agent via WebSocket, including event handling and multi-provider AI and TTS configuration.
  • Refactor

    • Simplified header handling in agent-related classes by replacing the Header dataclass with standard Python dictionaries for headers.
  • Chores

    • Removed unused or redundant header-related code and imports across the SDK to streamline internal data structures.

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coderabbitai bot commented May 14, 2025

Walkthrough

The changes remove the Header dataclass and its related imports and exports throughout the codebase, replacing header handling with a simpler Dict[str, str] approach in endpoint and function classes. The examples/agent/11_labs/main.py script is added to demonstrate agent usage with external providers, reflecting the updated header handling.

Changes

File(s) Change Summary
deepgram/__init__.py, deepgram/client.py, deepgram/clients/__init__.py,
deepgram/clients/agent/__init__.py, deepgram/clients/agent/client.py,
deepgram/clients/agent/v1/__init__.py, deepgram/clients/agent/v1/websocket/__init__.py
Removed import/export and aliasing of the Header symbol from all relevant module initializers and client files.
deepgram/clients/agent/v1/websocket/options.py Removed the Header dataclass. Updated Endpoint and Function classes to use Optional[Dict[str, str]] for headers instead of Optional[List[Header]]. Adjusted deserialization logic and import statements accordingly. Made minor docstring and field default changes.
examples/agent/11_labs/main.py Added a new example script demonstrating agent setup and event handling with the updated SDK, including the use of headers as a dictionary for external provider endpoints.

Sequence Diagram(s)

sequenceDiagram
    participant User
    participant ExampleScript as main.py
    participant DeepgramClient
    participant AgentWebSocket

    User->>ExampleScript: Run script
    ExampleScript->>DeepgramClient: Initialize with options
    DeepgramClient->>AgentWebSocket: Connect (version="1")
    AgentWebSocket-->>ExampleScript: on_open event
    loop Event Handling
        AgentWebSocket-->>ExampleScript: Various events (audio, welcome, settings, etc.)
        ExampleScript->>AgentWebSocket: Respond to function_call_request (if any)
    end
    User->>ExampleScript: Input to stop
    ExampleScript->>AgentWebSocket: Close connection
Loading

Assessment against linked issues

Objective Addressed Explanation
Remove or update method field in Endpoint class to avoid unnecessary errors (#525)
Change headers in Endpoint (and related) classes from Optional[List[Header]] to Optional[dict] (#525)
Remove Header class and its usage, ensuring headers serialize as key-value pairs for JSON compatibility (#525)

Suggested reviewers

  • lukeocodes

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Actionable comments posted: 0

🧹 Nitpick comments (1)
examples/agent/11_labs/main.py (1)

147-147: Potential security concern: API key placeholder should use a clearer template.

While this is an example, it's best to use a clearly templated value for API keys to avoid confusion.

-options.agent.speak.endpoint.headers = {  "xi-api-key": "PUT A KEY HERE"}
+options.agent.speak.endpoint.headers = {  "xi-api-key": "YOUR_ELEVEN_LABS_API_KEY"}
📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 052aadd and a0e0520.

📒 Files selected for processing (9)
  • deepgram/__init__.py (0 hunks)
  • deepgram/client.py (0 hunks)
  • deepgram/clients/__init__.py (0 hunks)
  • deepgram/clients/agent/__init__.py (0 hunks)
  • deepgram/clients/agent/client.py (0 hunks)
  • deepgram/clients/agent/v1/__init__.py (0 hunks)
  • deepgram/clients/agent/v1/websocket/__init__.py (0 hunks)
  • deepgram/clients/agent/v1/websocket/options.py (5 hunks)
  • examples/agent/11_labs/main.py (1 hunks)
💤 Files with no reviewable changes (7)
  • deepgram/init.py
  • deepgram/client.py
  • deepgram/clients/agent/init.py
  • deepgram/clients/agent/v1/websocket/init.py
  • deepgram/clients/agent/client.py
  • deepgram/clients/init.py
  • deepgram/clients/agent/v1/init.py
🔇 Additional comments (15)
deepgram/clients/agent/v1/websocket/options.py (7)

5-5: API enhancement: Type import updated to support simplified header handling.

The import statement now includes the Dict type, which is required for the new dictionary-based header handling approach.


68-68: Improved flexibility: Method field now properly handles None values.

The method field in the Endpoint class now defaults to None with appropriate metadata configuration to exclude it when serializing if it has no value, allowing for more flexible API usage.


70-72: Simplified header handling: Replaced custom Header class with standard Dict.

This change replaces a custom Header dataclass with a standard Python dictionary, which simplifies the API and makes it more intuitive to use.


76-77: Robust type handling: Ensures header keys and values are strings.

The __getitem__ method now ensures that all header keys and values are properly converted to strings, which is important for HTTP header consistency.


91-93: Consistent header handling: Function class updated to use Dict.

The Function class now also uses Dict[str, str] for headers, maintaining consistency with the Endpoint class and simplifying the overall API.


105-106: Consistent string conversion: Function headers converted to strings.

Similar to the Endpoint class, the Function class's __getitem__ method now ensures header keys and values are strings, maintaining consistency across the API.


237-237: Improved docstring clarity.

The docstring has been simplified for better readability while maintaining its descriptive purpose.

examples/agent/11_labs/main.py (8)

1-32: Well-structured imports and validation for a comprehensive example.

This new example file properly imports all necessary components from the Deepgram SDK and includes helpful debug prints to validate import success, which is excellent for diagnostic purposes.


37-69: Well-structured client setup with comprehensive event handling.

The main function properly initializes the DeepgramClient with appropriate options and establishes event handlers for binary data. The global warning flag prevents repeated notifications about binary data.


70-112: Comprehensive event handlers for all agent interactions.

The example includes handlers for all relevant agent events (welcome, settings, conversation, speaking, thinking, etc.), providing a complete reference for implementing a fully functional agent interaction.


85-97: Robust function call request handling with proper error management.

This handler properly processes function call requests and demonstrates how to send responses back to the agent, with appropriate exception handling to catch and report any errors.


113-132: Complete event registration for all WebSocket events.

The code registers handlers for all available agent WebSocket events, providing a comprehensive example of how to interact with the Deepgram agent API.


133-149: Demonstrates the new simplified header handling approach.

This section shows how to configure the agent with different providers, including the use of the new dictionary-based header approach on line 147. The example demonstrates integration with an external Eleven Labs TTS service.

options.agent.speak.endpoint.headers = {"xi-api-key": "PUT A KEY HERE"}

162-169: Excellent error handling with detailed diagnostics.

The error handling section provides comprehensive details about potential import errors, which is very helpful for diagnosing issues when using the example.


172-174: Standard Python entry point.

The file includes a proper if __name__ == "__main__" guard to ensure the main function is only called when the script is run directly.

@jpvajda
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jpvajda commented Jun 24, 2025

@naomi-lgbt just confirming, I think we can close this now?

@jpvajda jpvajda closed this Jul 11, 2025
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Successfully merging this pull request may close these issues.

"Endpoint" class doesn't work as expected in new 4.1.0 version
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