crates/yt_dlp/src/progress_hook.rs


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// yt - A fully featured command line YouTube client
//
// Copyright (C) 2025 Benedikt Peetz <benedikt.peetz@b-peetz.de>
// SPDX-License-Identifier: GPL-3.0-or-later
//
// This file is part of Yt.
//
// You should have received a copy of the License along with this program.
// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.

#[macro_export]
macro_rules! mk_python_function {
    ($name:ident, $new_name:ident) => {
        pub fn $new_name(
            mut args: $crate::progress_hook::__priv::vm::function::FuncArgs,
            vm: &$crate::progress_hook::__priv::vm::VirtualMachine,
        ) {
            use $crate::progress_hook::__priv::vm;

            let input = {
                let dict: vm::PyRef<vm::builtins::PyDict> = args
                    .args
                    .remove(0)
                    .downcast()
                    .expect("The progress hook is always called with these args");
                let new_dict = vm::builtins::PyDict::new_ref(&vm.ctx);
                dict.into_iter()
                    .filter_map(|(name, value)| {
                        let real_name: vm::PyRefExact<vm::builtins::PyStr> =
                            name.downcast_exact(vm).expect("Is a string");
                        let name_str = real_name.to_str().expect("Is a string");
                        if name_str.starts_with('_') {
                            None
                        } else {
                            Some((name_str.to_owned(), value))
                        }
                    })
                    .for_each(|(key, value)| {
                        new_dict
                            .set_item(&key, value, vm)
                            .expect("This is a transpositions, should always be valid");
                    });

                $crate::progress_hook::__priv::json_dumps(new_dict, vm)
            };
            $name(input).expect("Shall not fail!");
        }
    };
}

pub mod __priv {
    pub use crate::info_json::{json_dumps, json_loads};
    pub use rustpython::vm;
}