July 2025
Intermediate to advanced
304 pages
8h 6m
English
Content preview from Refactoring to Rust
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6 Integrating with dynamic languages
This chapter covers
- Writing Rust code that can be easily called from Python
- Calling Python code from Rust
- Benchmarking Rust code with Criterion
So far, we have devoted a lot of time to Rust fundamentals and C FFI. This chapter will more directly cover how we can integrate Rust code into dynamic programming languages and reap huge performance benefits from it.
6.1 Data processing in Python
Let’s imagine we are working on a Python program that aggregates some newline-separated JSON data. Here is our input data file; let’s call it data.jsonl:
{ "name": "Stokes Baker", "value": 954832 } { "name": "Joseph Solomon", "value": 279836 } { "name": "Gonzalez Koch", "value": 140431 } { "name": "Parrish ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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