purra-openai · Python
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OpenAI model gateways for PurrA using the official Python SDK. Supports text, function tools, streaming, cancellation, and token usage. Requires Python 3.11+.
Install
From the repository root:
python -m pip install . ./integrations/openai/python
Choose an API
| Gateway | API |
|---|---|
OpenAIResponsesGateway |
Responses |
OpenAIChatCompletionsGateway |
Chat Completions |
from openai import AsyncOpenAI
from purra_openai import OpenAIResponsesGateway
client = AsyncOpenAI()
gateway = OpenAIResponsesGateway(client, timeout_seconds=60)
For Chat Completions, replace the gateway:
from purra_openai import OpenAIChatCompletionsGateway
gateway = OpenAIChatCompletionsGateway(client, timeout_seconds=60)
Pass gateway to AgentCore(model_gateway=gateway, ...). In the Run's
ModelRequest, set provider="openai", the model ID, and its capability snapshot.
The application supplies credentials and verified model limits.
Options and behavior
ModelRequest.options accepts max_tokens, temperature, top_p, and
reasoning_effort. Choose options supported by the selected model.
Core resolves the output limit; the gateway applies it to the selected API.
SDK retries are disabled so Core controls retry and budget accounting. Server-side response storage is disabled. Responses reasoning continuation is kept in private message data; preserve it with the conversation when resuming.
These gateways support native OpenAI text and function-tool APIs. Images, audio, and hosted tools are not supported. Other vendors require application adapters.
Close a supplied SDK client in the application. await gateway.close() closes
only a client created by the gateway itself.
1 maintainer
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