Add FFI type hinting

[JP-Ellis]

Have you read the Contributing Guidelines on issues?

• I have read the Contributing Guidelines on issues.

Description

• Add a _ffi.pyi with type hinting
• Resolves typing issues which are likely to be discovered as a result.

Has this been requested on Canny?

No response

Motivation

The Rust FFI is wrapped by the Python CFFI package and a _ffi.cpython-*.so binary library is created. The binary library functions at runtime as a Python module, but obviously cannot be edited to add type hinting.

Instead, it is possible to add a _ffi.pyi file which provides type hinting in a separate file to the core implementation irrespective of whether the implementation being a Python text file, or a binary library.

Have you tried building it?

No response

Self-service

• I'd be willing to contribute this feature to Pact Python myself.

[github-actions]

🤖 Great news! We've labeled this issue as smartbear-supported and created a tracking ticket in PactFlow's Jira (PACT-1437). We'll keep work public and post updates here. Meanwhile, feel free to check out our docs. Thanks for your patience!