use std::process::Command;
use anyhow::Result;
use camino::Utf8Path;
use fs_err as fs;
mod gen_python;
mod test;
use super::super::interface::ComponentInterface;
use gen_python::{generate_python_bindings, Config};
pub use test::{run_script, run_test};
pub struct PythonBindingGenerator;
impl crate::BindingGenerator for PythonBindingGenerator {
type Config = Config;
fn new_config(&self, root_toml: &toml::Value) -> Result<Self::Config> {
Ok(
match root_toml.get("bindings").and_then(|b| b.get("python")) {
Some(v) => v.clone().try_into()?,
None => Default::default(),
},
)
}
fn write_bindings(
&self,
ci: &ComponentInterface,
config: &Config,
out_dir: &Utf8Path,
try_format_code: bool,
) -> Result<()> {
let py_file = out_dir.join(format!("{}.py", ci.namespace()));
fs::write(&py_file, generate_python_bindings(config, ci)?)?;
if try_format_code {
if let Err(e) = Command::new("yapf").arg(&py_file).output() {
println!(
"Warning: Unable to auto-format {} using yapf: {e:?}",
py_file.file_name().unwrap(),
)
}
}
Ok(())
}
fn check_library_path(&self, library_path: &Utf8Path, cdylib_name: Option<&str>) -> Result<()> {
if cdylib_name.is_none() {
anyhow::bail!(
"Generate bindings for Python requires a cdylib, but {library_path} was given"
);
}
Ok(())
}
}