/// Initialize the Python standard library.

///

/// Requires the `stdlib` feature to be enabled.

#[cfg(feature = "stdlib")]

fn init_stdlib(self) -> Self;

#[cfg(feature = "stdlib")]

fn init_stdlib(self) -> Self {

let defs = rustpython_stdlib::stdlib_module_defs(&self.ctx);

let builder = self.add_native_modules(&defs);

#[cfg(feature = "freeze-stdlib")]

let builder = builder

.add_frozen_modules(rustpython_pylib::FROZEN_STDLIB)

.init_hook(set_frozen_stdlib_dir);

#[cfg(not(feature = "freeze-stdlib"))]

let builder = builder.init_hook(setup_dynamic_stdlib);

builder

}

use rustpython_vm::common::rc::PyRc;

let state = PyRc::get_mut(&mut vm.state).unwrap();

state.config.paths.stdlib_dir = Some(rustpython_pylib::LIB_PATH.to_owned());

use rustpython_vm::common::rc::PyRc;

let state = PyRc::get_mut(&mut vm.state).unwrap();

let paths = collect_stdlib_paths();

// Set stdlib_dir to the first stdlib path if available

if let Some(first_path) = paths.first() {

state.config.paths.stdlib_dir = Some(first_path.clone());

}

// Insert at the beginning so stdlib comes before user paths

for path in paths.into_iter().rev() {

state.config.paths.module_search_paths.insert(0, path);

}

// BUILDTIME_RUSTPYTHONPATH should be set when distributing

if let Some(paths) = option_env!("BUILDTIME_RUSTPYTHONPATH") {

crate::settings::split_paths(paths)

.map(|path| path.into_os_string().into_string().unwrap())

.collect()

} else {

#[cfg(feature = "rustpython-pylib")]

{

vec![rustpython_pylib::LIB_PATH.to_owned()]

}

#[cfg(not(feature = "rustpython-pylib"))]

{

vec![]

}

}