Method constructor

source/python.js:8–21782

(sources)

python.Execution = class {

    constructor(sources) {
        /* eslint-disable consistent-this */
        const self = this;
        /* eslint-enable consistent-this */
        const execution = self;
        this._sources = sources || new Map();
        this._events = new Map();
        this._utf8Decoder = new TextDecoder('utf-8');
        this._unresolved = new Map();
        this._operators = new Map();
        const dict = class extends Map {
            constructor(items) {
                super();
                if (items) {
                    if (items instanceof Map) {
                        items = Array.from(items);
                    } else if (!Array.isArray(items)) {
                        items = Object.entries(items);
                    }
                    for (const [name, value] of items) {
                        this.__setitem__(name, value);
                    }
                }
            }
            __contains__(key) {
                return this.has(key);
            }
            __setitem__(key, value) {
                this.set(key, value);
            }
            __getitem__(key) {
                if (!super.has(key)) {
                    throw new python.Error(`KeyError: ${key}`);
                }
                return super.get(key);
            }
            __delitem__(key) {
                this.delete(key);
            }
            get(key, defaultValue) {
                return super.has(key) ? super.get(key) : defaultValue;
            }
            setdefault(key, defaultValue) {
                if (this.has(key)) {
                    return this.get(key);
                }
                const value = defaultValue || null;
                this.set(key, value);
                return value;
            }
            pop(key) {
                if (this.__contains__(key)) {
                    const v = this.__getitem__(key);
                    this.__delitem__(key);
                    return v;
                }
                return null;
            }