Logfire sandboxes - the Full Monty

A new unified interface for running Python code in sandbox environments is being developed, with an initial focus on integrating with Modal sandboxes and plans to expand to other providers. This interface, facilitated by Pydantic Logfire, allows users to execute Python code with full REPL support, enabling repeated code execution with access to previous functions and variables. It also supports returning values, raising exceptions, and communicating with host functions using a wire protocol similar to Pydantic Monty. Users can switch between different sandbox providers without needing separate provider accounts, and enterprise clients can use their own API keys. This approach allows for the safe execution of arbitrary code with limited access to the host environment, supporting various use cases such as running queries or accessing sensitive data. The implementation leverages a wire protocol developed for Monty, enabling communication with a CPython interpreter running in a sandbox, and the process is managed through a WebSocket connection driven by the host. The project seeks design partners and offers early access opportunities to interested parties.

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