Method __import__

source/python.js:21881–21926

(name, globals, locals, fromlist, level)

    }

    __import__(name, globals, locals, fromlist, level) {
        let module = null;
        level = level || 0;
        if (level === 0) {
            module = this.import(name);
        } else {
            globals = globals || {};
            let current = globals.__package__;
            if (!current) {
                const spec = globals.__spec__;
                if (spec) {
                    current = spec.parent;
                } else {
                    const name = globals.__name__;
                    const bits = name.split('.');
                    bits.pop();
                    current = bits.join('.');
                }
            }
            module = this.import(name, current, level);
        }
        if (!fromlist) {
            if (level === 0) {
                return this.import(name.split('.')[0]);
            } else if (name) {
                throw new python.Error(`Unsupported relative import '${name}'.`);
                // cut_off = len(name) - len(name.partition('.')[0])
                // return sys.modules[module.__name__[:len(module.__name__)-cut_off]]
            }
        } else if (module.__path__) {
            const handle_fromlist = (module, fromlist, recursive) => {
                for (const name of fromlist) {
                    if (name === '*') {
                        if (!recursive && module.__all__) {
                            handle_fromlist(module, module.__all__, true);
                        }
                    } else if (!module[name]) {
                        this.import(`${module.__name__}.${name}`);
                    }
                }
                return module;
            };
            handle_fromlist(module, fromlist);
        }
        return module;
    }

    module(name) {
        return this._modules.get(name);