将Python字典列表传递给Rust函数PyO3

[dependencies]
pyo3 = { version = "0.15", features = ["extension-module"] }

use pyo3::prelude::*;
use pyo3::types::PyDict;

#[pyfunction]
fn process_dicts(dict_list: Vec<PyDict>) -> PyResult<Vec<PyObject>> {
    let mut result = Vec::new();
    for dict in dict_list {
        let mut processed_dict = PyDict::new(py);
        for (key, value) in dict.iter() {
            let key_str = key.extract::<String>()?;
            let value_str = value.extract::<String>()?;
            processed_dict.set_item(&format!("{}_processed", key_str), &format!("{}-processed", value_str))?;
        }
        result.push(processed_dict.into());
    }
    Ok(result)
}

#[pymodule]
fn my_module(_py: Python, m: &PyModule) -> PyResult<()> {
    m.add_function(wrap_pyfunction!(process_dicts, m)?)?;
    Ok(())
}

from my_module import process_dicts

dict_list = [
    {"a": "apple", "b": "banana"},
    {"c": "cherry", "d": "date"}
]

processed_dicts = process_dicts(dict_list)
for d in processed_dicts:
    print(d)

for dict in dict_list {
    let dict = dict.extract::<PyDict>()?;
    // 处理字典
}