# Interface: `IOptions`

[@jupyterlite/pyolite-kernel](../modules/jupyterlite_pyolite_kernel.md).[PyoliteKernel](../modules/jupyterlite_pyolite_kernel.PyoliteKernel.md).IOptions

The instantiation options for a Pyodide kernel

## Hierarchy

- `IOptions`

  ↳ **`IOptions`**

## Properties

### `disablePyPIFallback`

> **`disablePyPIFallback`**: `boolean`

Do not try pypi.org if `piplite.install` fails against local URLs

#### Defined in

[packages/pyolite-kernel/src/kernel.ts:318](https://github.com/jupyterlite/jupyterlite/blob/7971e0aa/packages/pyolite-kernel/src/kernel.ts#L318)

### `id`

> **`id`**: `string`

The kernel id.

#### Inherited from

IKernel.IOptions.id

#### Defined in

packages/kernel/lib/tokens.d.ts:80

### `location`

> **`location`**: `string`

The location in the virtual filesystem from which the kernel was started.

#### Inherited from

IKernel.IOptions.location

#### Defined in

packages/kernel/lib/tokens.d.ts:88

### `mountDrive`

> **`mountDrive`**: `boolean`

Whether or not to mount the Emscripten drive

#### Defined in

[packages/pyolite-kernel/src/kernel.ts:323](https://github.com/jupyterlite/jupyterlite/blob/7971e0aa/packages/pyolite-kernel/src/kernel.ts#L323)

### `name`

> **`name`**: `string`

The name of the kernel.

#### Inherited from

IKernel.IOptions.name

#### Defined in

packages/kernel/lib/tokens.d.ts:84

### `pipliteUrls`

> **`pipliteUrls`**: `string`[]

The URLs from which to attempt PyPI API requests

#### Defined in

[packages/pyolite-kernel/src/kernel.ts:313](https://github.com/jupyterlite/jupyterlite/blob/7971e0aa/packages/pyolite-kernel/src/kernel.ts#L313)

### `pyodideUrl`

> **`pyodideUrl`**: `string`

The URL to fetch Pyodide.

#### Defined in

[packages/pyolite-kernel/src/kernel.ts:308](https://github.com/jupyterlite/jupyterlite/blob/7971e0aa/packages/pyolite-kernel/src/kernel.ts#L308)

### `sendMessage`

> **`sendMessage`**: `SendMessage`

The method to send messages back to the server.

#### Inherited from

IKernel.IOptions.sendMessage

#### Defined in

packages/kernel/lib/tokens.d.ts:92