Method tolist

source/python.js:3260–3321

()

                return this.data;
            }
            tolist() {
                if (this.shape.length < 0 || this.shape.length > 1) {
                    throw new python.Error(`Unsupported shape '${JSON.stringify(this.shape)}'.`);
                }
                const size = this.shape.reduce((a, b) => a * b, 1);
                const list = new Array(size);
                switch (this.dtype.kind) {
                    case 'U': {
                        const data = new Uint32Array(new Uint8Array(this.data).buffer);
                        const itemsize = this.dtype.itemsize >> 2;
                        let offset = 0;
                        for (let i = 0; i < size; i++) {
                            const buffer = data.subarray(offset, offset + itemsize);
                            const index = buffer.indexOf(0);
                            list[i] = Array.from(index >= 0 ? buffer.subarray(0, index) : buffer).map((c) => String.fromCodePoint(c)).join('');
                            offset += itemsize;
                        }
                        return list;
                    }
                    case 'S': {
                        const data = this.data;
                        const itemsize = this.dtype.itemsize;
                        const decoder = new TextDecoder('utf-8');
                        let offset = 0;
                        for (let i = 0; i < size; i++) {
                            const buffer = data.subarray(offset, offset + itemsize);
                            const index = buffer.indexOf(0);
                            list[i] = decoder.decode(index >= 0 ? buffer.subarray(0, index) : buffer);
                            offset += itemsize;
                        }
                        return list;
                    }
                    case 'V': {
                        const itemsize = this.dtype.itemsize;
                        let offset = 0;
                        for (let i = 0; i < size; i++) {
                            list[i] = this.data.slice(offset, offset + itemsize);
                            offset += itemsize;
                        }
                        return list;
                    }
                    case 'M': {
                        const itemsize = this.dtype.itemsize;
                        let offset = 0;
                        for (let i = 0; i < size; i++) {
                            const buffer = this.data.slice(offset, offset + itemsize);
                            list[i] = new numpy.datetime64(buffer);
                            offset += itemsize;
                        }
                        return list;
                    }
                    case 'T': {
                        return this.data;
                    }
                    case 'O': {
                        return this.data;
                    }
                    default: {