@iqmo/browser
Version:
Browser Stlite
1,210 lines (1,150 loc) • 77.8 kB
TypeScript
import type { IHostConfigResponse } from '@streamlit/connection/src/types';
declare interface CanvasInterface {
setCanvas2D(canvas: HTMLCanvasElement): void;
getCanvas2D(): HTMLCanvasElement | undefined;
setCanvas3D(canvas: HTMLCanvasElement): void;
getCanvas3D(): HTMLCanvasElement | undefined;
}
declare interface CodeCompletion {
name: string;
type: string;
docstring: string;
complete: string;
}
declare type DetailedMountOptions = SimplifiedStliteKernelOptions & MakeToastKernelCallbacksOptions;
declare interface EmscriptenFile {
data: string | ArrayBufferView;
opts?: Record<string, string>;
}
declare interface EmscriptenFileUrl {
url: string;
opts?: Record<string, string>;
}
declare type FSNode = {
timestamp: number;
rdev: number;
contents: Uint8Array;
mode: number;
};
declare type FSStream = {
tty?: {
ops: object;
};
seekable?: boolean;
stream_ops: FSStreamOps;
node: FSNode;
};
declare type FSStreamOps = FSStreamOpsGen<FSStream>;
declare type FSStreamOpsGen<T> = {
open: (a: T) => void;
close: (a: T) => void;
fsync: (a: T) => void;
read: (a: T, b: Uint8Array, offset: number, length: number, pos: number) => number;
write: (a: T, b: Uint8Array, offset: number, length: number, pos: number) => number;
};
declare interface FSType {
unlink: (path: string) => void;
mkdirTree: (path: string, mode?: number) => void;
chdir: (path: string) => void;
symlink: (target: string, src: string) => FSNode;
createDevice: ((parent: string, name: string, input?: (() => number | null) | null, output?: ((code: number) => void) | null) => FSNode) & {
major: number;
};
closeStream: (fd: number) => void;
open: (path: string, flags: string | number, mode?: number) => FSStream;
makedev: (major: number, minor: number) => number;
mkdev: (path: string, dev: number) => FSNode;
filesystems: any;
stat: (path: string, dontFollow?: boolean) => any;
readdir: (path: string) => string[];
isDir: (mode: number) => boolean;
isMountpoint: (mode: FSNode) => boolean;
lookupPath: (path: string, options?: {
follow_mount?: boolean;
}) => {
node: FSNode;
};
isFile: (mode: number) => boolean;
writeFile: (path: string, contents: any, o?: {
canOwn?: boolean;
}) => void;
chmod: (path: string, mode: number) => void;
utime: (path: string, atime: number, mtime: number) => void;
rmdir: (path: string) => void;
mount: (type: any, opts: any, mountpoint: string) => any;
unmount: (mountpoint: string) => any;
write: (stream: FSStream, buffer: any, offset: number, length: number, position?: number) => number;
close: (stream: FSStream) => void;
ErrnoError: {
new (errno: number): Error;
};
registerDevice<T>(dev: number, ops: FSStreamOpsGen<T>): void;
syncfs(dir: boolean, oncomplete: (val: void) => void): void;
}
declare type InFuncType = () => null | undefined | string | ArrayBuffer | Uint8Array | number;
declare type LoadedPackages = Record<string, string>;
/**
* The type of a package lockfile.
*/
declare interface Lockfile {
info: LockfileInfo;
packages: Record<string, LockfilePackage>;
}
/**
* The lockfile platform info. The ``abi_version`` field is used to check if the
* lockfile is compatible with the interpreter. The remaining fields are
* informational.
*/
declare interface LockfileInfo {
/**
* Machine architecture. At present, only can be wasm32. Pyodide has no wasm64
* build.
*/
arch: "wasm32";
/**
* The ABI version is structured as ``yyyy_patch``. For the lockfile to be
* compatible with the current interpreter this field must match exactly with
* the ABI version of the interpreter.
*/
abi_version: string;
/**
* The Emscripten versions for instance, `emscripten_4_0_9`. Different
* Emscripten versions have different ABIs so if this changes ``abi_version``
* must also change.
*/
platform: string;
/**
* The Pyodide version the lockfile was made with. Informational only, has no
* compatibility implications. May be removed in the future.
*/
version: string;
/**
* The Python version this lock file was made with. If the minor version
* changes (e.g, 3.12 to 3.13) this changes the ABI and the ``abi_version``
* must change too. Patch versions do not imply a change to the
* ``abi_version``.
*/
python: string;
}
/**
* A package entry in the lock file.
*/
declare interface LockfilePackage {
/**
* The unnormalized name of the package.
*/
name: string;
version: string;
/**
* The file name or url of the package wheel. If it's relative, it will be
* resolved with respect to ``packageBaseUrl``. If there is no
* ``packageBaseUrl``, attempting to install a package with a relative
* ``file_name`` will fail.
*/
file_name: string;
package_type: PackageType;
/**
* The installation directory. Will be ``site`` except for certain system
* dynamic libraries that need to go on the global LD_LIBRARY_PATH.
*/
install_dir: "site" | "dynlib";
/**
* Integrity. Must be present unless ``checkIntegrity: false`` is passed to
* ``loadPyodide``.
*/
sha256: string;
/**
* The set of imports provided by this package as best we can tell. Used by
* :js:func:`pyodide.loadPackagesFromImports` to work out what packages to
* install.
*/
imports: string[];
/**
* The set of dependencies of this package.
*/
depends: string[];
}
declare interface MakeToastKernelCallbacksOptions {
disableProgressToasts?: boolean;
disableErrorToasts?: boolean;
}
declare interface MicropipInstallOptions {
keep_going?: boolean;
deps?: boolean;
credentials?: string | null;
pre?: boolean;
index_urls?: string[] | string | null;
constraints?: string[] | null;
reinstall?: boolean;
verbose?: boolean | number | null;
}
export declare function mount(options: MountOptions, container?: HTMLElement): {
unmount: () => void;
install: (requirements: string[], options?: MicropipInstallOptions) => Promise<unknown>;
writeFile: (path: string, data: string | ArrayBufferView, opts?: Record<string, unknown>) => Promise<unknown>;
renameFile: (oldPath: string, newPath: string) => Promise<unknown>;
unlink: (path: string) => Promise<unknown>;
readFile: (path: string, opts?: Record<string, unknown>) => Promise<unknown>;
getCodeCompletion: (code: string, position: {
line: number;
column: number;
}) => Promise<CodeCompletion[]>;
};
declare type MountOptions = string | DetailedMountOptions;
declare type NativeFS = {
syncfs: () => Promise<void>;
};
declare interface PackageData {
name: string;
version: string;
fileName: string;
/** @experimental */
packageType: PackageType;
}
declare type PackageType = "package" | "cpython_module" | "shared_library" | "static_library";
declare class PyAsyncGenerator extends PyProxy {
/** @private */
static [Symbol.hasInstance](obj: any): obj is PyProxy;
}
/** @deprecated Use `import type { PyAsyncGenerator } from "pyodide/ffi"` instead */
declare interface PyAsyncGenerator extends PyAsyncGeneratorMethods {
}
declare class PyAsyncGeneratorMethods {
/**
* Throws an exception into the Generator.
*
* See the documentation for :js:meth:`AsyncGenerator.throw`.
*
* @param exc Error The error to throw into the generator. Must be an
* instanceof ``Error``.
* @returns An Object with two properties: ``done`` and ``value``. When the
* generator yields ``some_value``, ``return`` returns ``{done : false, value
* : some_value}``. When the generator raises a
* ``StopIteration(result_value)`` exception, ``return`` returns ``{done :
* true, value : result_value}``.
*/
throw(exc: any): Promise<IteratorResult<any, any>>;
/**
* Throws a :py:exc:`GeneratorExit` into the generator and if the
* :py:exc:`GeneratorExit` is not caught returns the argument value ``{done:
* true, value: v}``. If the generator catches the :py:exc:`GeneratorExit` and
* returns or yields another value the next value of the generator this is
* returned in the normal way. If it throws some error other than
* :py:exc:`GeneratorExit` or :py:exc:`StopAsyncIteration`, that error is
* propagated. See the documentation for :js:meth:`AsyncGenerator.throw`
*
* @param v The value to return from the generator.
* @returns An Object with two properties: ``done`` and ``value``. When the
* generator yields ``some_value``, ``return`` returns ``{done : false, value
* : some_value}``. When the generator raises a :py:exc:`StopAsyncIteration`
* exception, ``return`` returns ``{done : true, value : result_value}``.
*/
return(v: any): Promise<IteratorResult<any, any>>;
}
declare class PyAsyncIterable extends PyProxy {
/** @private */
static [Symbol.hasInstance](obj: any): obj is PyProxy;
}
/** @deprecated Use `import type { PyAsyncIterable } from "pyodide/ffi"` instead */
declare interface PyAsyncIterable extends PyAsyncIterableMethods {
}
declare class PyAsyncIterableMethods {
/**
* This translates to the Python code ``aiter(obj)``. Return an async iterator
* associated to the proxy. See the documentation for :js:data:`Symbol.asyncIterator`.
*
* This will be used implicitly by ``for(await let x of proxy){}``.
*/
[Symbol.asyncIterator](): AsyncIterator<any, any, any>;
}
declare class PyAsyncIterator extends PyProxy {
/** @private */
static [Symbol.hasInstance](obj: any): obj is PyProxy;
}
/** @deprecated Use `import type { PyAsyncIterator } from "pyodide/ffi"` instead */
declare interface PyAsyncIterator extends PyAsyncIteratorMethods {
}
declare class PyAsyncIteratorMethods {
/** @private */
[Symbol.asyncIterator](): this;
/**
* This translates to the Python code ``anext(obj)``. Returns the next value
* of the asynchronous iterator. The argument will be sent to the Python
* iterator (if it's a generator for instance).
*
* This will be used implicitly by ``for(let x of proxy){}``.
*
* @param arg The value to send to a generator. The value will be assigned as
* a result of a yield expression.
* @returns An Object with two properties: ``done`` and ``value``. When the
* iterator yields ``some_value``, ``next`` returns ``{done : false, value :
* some_value}``. When the giterator is done, ``next`` returns
* ``{done : true }``.
*/
next(arg?: any): Promise<IteratorResult<any, any>>;
}
declare class PyAwaitable extends PyProxy {
/** @private */
static [Symbol.hasInstance](obj: any): obj is PyProxy;
}
/** @deprecated Use `import type { PyAwaitable } from "pyodide/ffi"` instead */
declare interface PyAwaitable extends Promise<any> {
}
declare class PyBuffer extends PyProxy {
/** @private */
static [Symbol.hasInstance](obj: any): obj is PyBuffer;
}
/** @deprecated Use `import type { PyBuffer } from "pyodide/ffi"` instead */
declare interface PyBuffer extends PyBufferMethods {
}
declare class PyBufferMethods {
/**
* Get a view of the buffer data which is usable from JavaScript. No copy is
* ever performed.
*
* We do not support suboffsets, if the buffer requires suboffsets we will
* throw an error. JavaScript nd array libraries can't handle suboffsets
* anyways. In this case, you should use the :js:meth:`~PyProxy.toJs` api or
* copy the buffer to one that doesn't use suboffsets (using e.g.,
* :py:func:`numpy.ascontiguousarray`).
*
* If the buffer stores big endian data or half floats, this function will
* fail without an explicit type argument. For big endian data you can use
* :js:meth:`~PyProxy.toJs`. :js:class:`DataView` has support for big endian
* data, so you might want to pass ``'dataview'`` as the type argument in that
* case.
*
* @param type The type of the :js:attr:`~pyodide.ffi.PyBufferView.data` field
* in the output. Should be one of: ``"i8"``, ``"u8"``, ``"u8clamped"``,
* ``"i16"``, ``"u16"``, ``"i32"``, ``"u32"``, ``"i32"``, ``"u32"``,
* ``"i64"``, ``"u64"``, ``"f32"``, ``"f64"``, or ``"dataview"``. This argument
* is optional, if absent :js:meth:`~pyodide.ffi.PyBuffer.getBuffer` will try
* to determine the appropriate output type based on the buffer format string
* (see :std:ref:`struct-format-strings`).
*/
getBuffer(type?: string): PyBufferView;
}
/** @deprecated Use `import type { PyBufferView } from "pyodide/ffi"` instead */
declare class PyBufferView {
/**
* The offset of the first entry of the array. For instance if our array
* is 3d, then you will find ``array[0,0,0]`` at
* ``pybuf.data[pybuf.offset]``
*/
offset: number;
/**
* If the data is read only, you should not modify it. There is no way for us
* to enforce this, but it may cause very weird behavior. See
* :py:attr:`memoryview.readonly`.
*/
readonly: boolean;
/**
* The format string for the buffer. See :ref:`struct-format-strings`
* and :py:attr:`memoryview.format`.
*/
format: string;
/**
* How large is each entry in bytes? See :py:attr:`memoryview.itemsize`.
*/
itemsize: number;
/**
* The number of dimensions of the buffer. If ``ndim`` is 0, the buffer
* represents a single scalar or struct. Otherwise, it represents an
* array. See :py:attr:`memoryview.ndim`.
*/
ndim: number;
/**
* The total number of bytes the buffer takes up. This is equal to
* :js:attr:`buff.data.byteLength <TypedArray.byteLength>`. See
* :py:attr:`memoryview.nbytes`.
*/
nbytes: number;
/**
* The shape of the buffer, that is how long it is in each dimension.
* The length will be equal to ``ndim``. For instance, a 2x3x4 array
* would have shape ``[2, 3, 4]``. See :py:attr:`memoryview.shape`.
*/
shape: number[];
/**
* An array of of length ``ndim`` giving the number of elements to skip
* to get to a new element in each dimension. See the example definition
* of a ``multiIndexToIndex`` function above. See :py:attr:`memoryview.strides`.
*/
strides: number[];
/**
* The actual data. A typed array of an appropriate size backed by a segment
* of the WASM memory.
*
* The ``type`` argument of :js:meth:`~pyodide.ffi.PyBuffer.getBuffer` determines
* which sort of :js:class:`TypedArray` or :js:class:`DataView` to return. By
* default :js:meth:`~pyodide.ffi.PyBuffer.getBuffer` will look at the format string
* to determine the most appropriate option. Most often the result is a
* :js:class:`Uint8Array`.
*
* .. admonition:: Contiguity
* :class: warning
*
* If the buffer is not contiguous, the :js:attr:`~PyBufferView.readonly`
* TypedArray will contain data that is not part of the buffer. Modifying
* this data leads to undefined behavior.
*
* .. admonition:: Read only buffers
* :class: warning
*
* If :js:attr:`buffer.readonly <PyBufferView.readonly>` is ``true``, you
* should not modify the buffer. Modifying a read only buffer leads to
* undefined behavior.
*
*/
data: TypedArray;
/**
* Is it C contiguous? See :py:attr:`memoryview.c_contiguous`.
*/
c_contiguous: boolean;
/**
* Is it Fortran contiguous? See :py:attr:`memoryview.f_contiguous`.
*/
f_contiguous: boolean;
/**
* @private
*/
_released: boolean;
/**
* @private
*/
_view_ptr: number;
/** @private */
constructor();
/**
* Release the buffer. This allows the memory to be reclaimed.
*/
release(): void;
}
declare class PyCallable extends PyProxy {
/** @private */
static [Symbol.hasInstance](obj: any): obj is PyCallable;
}
/** @deprecated Use `import type { PyCallable } from "pyodide/ffi"` instead */
declare interface PyCallable extends PyCallableMethods {
(...args: any[]): any;
}
declare class PyCallableMethods {
/**
* The ``apply()`` method calls the specified function with a given this
* value, and arguments provided as an array (or an array-like object). Like
* :js:meth:`Function.apply`.
*
* @param thisArg The ``this`` argument. Has no effect unless the
* :js:class:`~pyodide.ffi.PyCallable` has :js:meth:`captureThis` set. If
* :js:meth:`captureThis` is set, it will be passed as the first argument to
* the Python function.
* @param jsargs The array of arguments
* @returns The result from the function call.
*/
apply(thisArg: any, jsargs: any): any;
/**
* Calls the function with a given this value and arguments provided
* individually. See :js:meth:`Function.call`.
*
* @param thisArg The ``this`` argument. Has no effect unless the
* :js:class:`~pyodide.ffi.PyCallable` has :js:meth:`captureThis` set. If
* :js:meth:`captureThis` is set, it will be passed as the first argument to
* the Python function.
* @param jsargs The arguments
* @returns The result from the function call.
*/
call(thisArg: any, ...jsargs: any): any;
/**
* Call the Python function. The first parameter controls various parameters
* that change the way the call is performed.
*
* @param options
* @param options.kwargs If true, the last argument is treated as a collection
* of keyword arguments.
* @param options.promising If true, the call is made with stack switching
* enabled. Not needed if the callee is an async
* Python function.
* @param options.relaxed If true, extra arguments are ignored instead of
* raising a :py:exc:`TypeError`.
* @param jsargs Arguments to the Python function.
* @returns
*/
callWithOptions({ relaxed, kwargs, promising, }: {
relaxed?: boolean;
kwargs?: boolean;
promising?: boolean;
}, ...jsargs: any): any;
/**
* Call the function with keyword arguments. The last argument must be an
* object with the keyword arguments.
*/
callKwargs(...jsargs: any): any;
/**
* Call the function in a "relaxed" manner. Any extra arguments will be
* ignored. This matches the behavior of JavaScript functions more accurately.
*
* Any extra arguments will be ignored. This matches the behavior of
* JavaScript functions more accurately. Missing arguments are **NOT** filled
* with `None`. If too few arguments are passed, this will still raise a
* TypeError.
*
* This uses :py:func:`pyodide.code.relaxed_call`.
*/
callRelaxed(...jsargs: any): any;
/**
* Call the function with keyword arguments in a "relaxed" manner. The last
* argument must be an object with the keyword arguments. Any extra arguments
* will be ignored. This matches the behavior of JavaScript functions more
* accurately.
*
* Missing arguments are **NOT** filled with ``None``. If too few arguments are
* passed, this will still raise a :py:exc:`TypeError`. Also, if the same argument is
* passed as both a keyword argument and a positional argument, it will raise
* an error.
*
* This uses :py:func:`pyodide.code.relaxed_call`.
*/
callKwargsRelaxed(...jsargs: any): any;
/**
* Call the function with stack switching enabled. The last argument must be
* an object with the keyword arguments. Functions called this way can use
* :py:meth:`~pyodide.ffi.run_sync` to block until an
* :py:class:`~collections.abc.Awaitable` is resolved. Only works in runtimes
* with JS Promise integration.
*
* .. admonition:: Experimental
* :class: warning
*
* This feature is not yet stable.
*
* @experimental
*/
callPromising(...jsargs: any): Promise<any>;
/**
* Call the function with stack switching enabled. The last argument must be
* an object with the keyword arguments. Functions called this way can use
* :py:meth:`~pyodide.ffi.run_sync` to block until an
* :py:class:`~collections.abc.Awaitable` is resolved. Only works in runtimes
* with JS Promise integration.
*
* .. admonition:: Experimental
* :class: warning
*
* This feature is not yet stable.
*
* @experimental
*/
callPromisingKwargs(...jsargs: any): Promise<any>;
/**
* The ``bind()`` method creates a new function that, when called, has its
* ``this`` keyword set to the provided value, with a given sequence of
* arguments preceding any provided when the new function is called. See
* :js:meth:`Function.bind`.
*
* If the :js:class:`~pyodide.ffi.PyCallable` does not have
* :js:meth:`captureThis` set, the ``this`` parameter will be discarded. If it
* does have :js:meth:`captureThis` set, ``thisArg`` will be set to the first
* argument of the Python function. The returned proxy and the original proxy
* have the same lifetime so destroying either destroys both.
*
* @param thisArg The value to be passed as the ``this`` parameter to the
* target function ``func`` when the bound function is called.
* @param jsargs Extra arguments to prepend to arguments provided to the bound
* function when invoking ``func``.
* @returns
*/
bind(thisArg: any, ...jsargs: any): PyProxy;
/**
* Returns a :js:class:`~pyodide.ffi.PyProxy` that passes ``this`` as the first argument to the
* Python function. The returned :js:class:`~pyodide.ffi.PyProxy` has the internal ``captureThis``
* property set.
*
* It can then be used as a method on a JavaScript object. The returned proxy
* and the original proxy have the same lifetime so destroying either destroys
* both.
*
* For example:
*
* .. code-block:: pyodide
*
* let obj = { a : 7 };
* pyodide.runPython(`
* def f(self):
* return self.a
* `);
* // Without captureThis, it doesn't work to use f as a method for obj:
* obj.f = pyodide.globals.get("f");
* obj.f(); // raises "TypeError: f() missing 1 required positional argument: 'self'"
* // With captureThis, it works fine:
* obj.f = pyodide.globals.get("f").captureThis();
* obj.f(); // returns 7
*
* @returns The resulting :js:class:`~pyodide.ffi.PyProxy`. It has the same lifetime as the
* original :js:class:`~pyodide.ffi.PyProxy` but passes ``this`` to the wrapped function.
*
*/
captureThis(): PyProxy;
}
declare class PyContainsMethods {
/**
* This translates to the Python code ``key in obj``.
*
* @param key The key to check for.
* @returns Is ``key`` present?
*/
has(key: any): boolean;
}
declare class PyDict extends PyProxy {
/** @private */
static [Symbol.hasInstance](obj: any): obj is PyProxy;
}
/** @deprecated Use `import type { PyDict } from "pyodide/ffi"` instead */
declare interface PyDict extends PyProxyWithGet, PyProxyWithSet, PyProxyWithHas, PyProxyWithLength, PyIterable {
}
declare class PyGenerator extends PyProxy {
/** @private */
static [Symbol.hasInstance](obj: any): obj is PyProxy;
}
/** @deprecated Use `import type { PyGenerator } from "pyodide/ffi"` instead */
declare interface PyGenerator extends PyGeneratorMethods {
}
declare class PyGeneratorMethods {
/**
* Throws an exception into the Generator.
*
* See the documentation for :js:meth:`Generator.throw`.
*
* @param exc Error The error to throw into the generator. Must be an
* instanceof ``Error``.
* @returns An Object with two properties: ``done`` and ``value``. When the
* generator yields ``some_value``, ``return`` returns ``{done : false, value
* : some_value}``. When the generator raises a
* ``StopIteration(result_value)`` exception, ``return`` returns ``{done :
* true, value : result_value}``.
*/
throw(exc: any): IteratorResult<any, any>;
/**
* Throws a :py:exc:`GeneratorExit` into the generator and if the
* :py:exc:`GeneratorExit` is not caught returns the argument value ``{done:
* true, value: v}``. If the generator catches the :py:exc:`GeneratorExit` and
* returns or yields another value the next value of the generator this is
* returned in the normal way. If it throws some error other than
* :py:exc:`GeneratorExit` or :py:exc:`StopIteration`, that error is propagated. See
* the documentation for :js:meth:`Generator.return`.
*
* @param v The value to return from the generator.
* @returns An Object with two properties: ``done`` and ``value``. When the
* generator yields ``some_value``, ``return`` returns ``{done : false, value
* : some_value}``. When the generator raises a
* ``StopIteration(result_value)`` exception, ``return`` returns ``{done :
* true, value : result_value}``.
*/
return(v: any): IteratorResult<any, any>;
}
declare class PyGetItemMethods {
/**
* This translates to the Python code ``obj[key]``.
*
* @param key The key to look up.
* @returns The corresponding value.
*/
get(key: any): any;
/**
* Returns the object treated as a json adaptor.
*
* With a JsonAdaptor:
* 1. property access / modification / deletion is implemented with
* :meth:`~object.__getitem__`, :meth:`~object.__setitem__`, and
* :meth:`~object.__delitem__` respectively.
* 2. If an attribute is accessed and the result implements
* :meth:`~object.__getitem__` then the result will also be a json
* adaptor.
*
* For instance, ``JSON.stringify(proxy.asJsJson())`` acts like an
* inverse to Python's :py:func:`json.loads`.
*/
asJsJson(): PyProxy & {};
}
declare class PyIterable extends PyProxy {
/** @private */
static [Symbol.hasInstance](obj: any): obj is PyProxy;
}
/** @deprecated Use `import type { PyIterable } from "pyodide/ffi"` instead */
declare interface PyIterable extends PyIterableMethods {
}
declare class PyIterableMethods {
/**
* This translates to the Python code ``iter(obj)``. Return an iterator
* associated to the proxy. See the documentation for
* :js:data:`Symbol.iterator`.
*
* This will be used implicitly by ``for(let x of proxy){}``.
*/
[Symbol.iterator](): Iterator<any, any, any>;
}
declare class PyIterator extends PyProxy {
/** @private */
static [Symbol.hasInstance](obj: any): obj is PyProxy;
}
/** @deprecated Use `import type { PyIterator } from "pyodide/ffi"` instead */
declare interface PyIterator extends PyIteratorMethods {
}
declare class PyIteratorMethods {
/** @private */
[Symbol.iterator](): this;
/**
* This translates to the Python code ``next(obj)``. Returns the next value of
* the generator. See the documentation for :js:meth:`Generator.next` The
* argument will be sent to the Python generator.
*
* This will be used implicitly by ``for(let x of proxy){}``.
*
* @param arg The value to send to the generator. The value will be assigned
* as a result of a yield expression.
* @returns An Object with two properties: ``done`` and ``value``. When the
* generator yields ``some_value``, ``next`` returns ``{done : false, value :
* some_value}``. When the generator raises a :py:exc:`StopIteration`
* exception, ``next`` returns ``{done : true, value : result_value}``.
*/
next(arg?: any): IteratorResult<any, any>;
}
declare class PyLengthMethods {
/**
* The length of the object.
*/
get length(): number;
}
declare class PyMutableSequence extends PyProxy {
/** @private */
static [Symbol.hasInstance](obj: any): obj is PyProxy;
}
/** @deprecated Use `import type { PyMutableSequence } from "pyodide/ffi"` instead */
declare interface PyMutableSequence extends PyMutableSequenceMethods {
}
declare class PyMutableSequenceMethods {
/**
* The :js:meth:`Array.reverse` method reverses a :js:class:`PyMutableSequence` in
* place.
* @returns A reference to the same :js:class:`PyMutableSequence`
*/
reverse(): PyMutableSequence;
/**
* The :js:meth:`Array.sort` method sorts the elements of a
* :js:class:`PyMutableSequence` in place.
* @param compareFn A function that defines the sort order.
* @returns A reference to the same :js:class:`PyMutableSequence`
*/
sort(compareFn?: (a: any, b: any) => number): PyMutableSequence;
/**
* The :js:meth:`Array.splice` method changes the contents of a
* :js:class:`PyMutableSequence` by removing or replacing existing elements and/or
* adding new elements in place.
* @param start Zero-based index at which to start changing the
* :js:class:`PyMutableSequence`.
* @param deleteCount An integer indicating the number of elements in the
* :js:class:`PyMutableSequence` to remove from ``start``.
* @param items The elements to add to the :js:class:`PyMutableSequence`, beginning from
* ``start``.
* @returns An array containing the deleted elements.
*/
splice(start: number, deleteCount?: number, ...items: any[]): any[];
/**
* The :js:meth:`Array.push` method adds the specified elements to the end of
* a :js:class:`PyMutableSequence`.
* @param elts The element(s) to add to the end of the :js:class:`PyMutableSequence`.
* @returns The new length property of the object upon which the method was
* called.
*/
push(...elts: any[]): any;
/**
* The :js:meth:`Array.pop` method removes the last element from a
* :js:class:`PyMutableSequence`.
* @returns The removed element from the :js:class:`PyMutableSequence`; undefined if the
* :js:class:`PyMutableSequence` is empty.
*/
pop(): any;
/**
* The :js:meth:`Array.shift` method removes the first element from a
* :js:class:`PyMutableSequence`.
* @returns The removed element from the :js:class:`PyMutableSequence`; undefined if the
* :js:class:`PyMutableSequence` is empty.
*/
shift(): any;
/**
* The :js:meth:`Array.unshift` method adds the specified elements to the
* beginning of a :js:class:`PyMutableSequence`.
* @param elts The elements to add to the front of the :js:class:`PyMutableSequence`.
* @returns The new length of the :js:class:`PyMutableSequence`.
*/
unshift(...elts: any[]): any;
/**
* The :js:meth:`Array.copyWithin` method shallow copies part of a
* :js:class:`PyMutableSequence` to another location in the same :js:class:`PyMutableSequence`
* without modifying its length.
* @param target Zero-based index at which to copy the sequence to.
* @param start Zero-based index at which to start copying elements from.
* @param end Zero-based index at which to end copying elements from.
* @returns The modified :js:class:`PyMutableSequence`.
*/
copyWithin(target: number, start?: number, end?: number): any;
/**
* The :js:meth:`Array.fill` method changes all elements in an array to a
* static value, from a start index to an end index.
* @param value Value to fill the array with.
* @param start Zero-based index at which to start filling. Default 0.
* @param end Zero-based index at which to end filling. Default
* ``list.length``.
* @returns
*/
fill(value: any, start?: number, end?: number): any;
}
/**
* The return type of :js:func:`~exports.loadPyodide`. See
* :ref:`the pyodide api docs <js-api-pyodide>` for more information.
* @hidetype
* @docgroup exports
*/
declare type PyodideAPI = typeof PyodideAPI_;
declare class PyodideAPI_ {
/** @hidden */
static version: string;
/** @hidden */
static loadPackage: (names: string | PyProxy | Array<string>, options?: {
messageCallback?: (message: string) => void;
errorCallback?: (message: string) => void;
checkIntegrity?: boolean;
}) => Promise<PackageData[]>;
/** @hidden */
static loadedPackages: LoadedPackages;
/** @hidden */
static ffi: {
PyProxy: typeof PyProxy;
PyProxyWithLength: typeof PyProxyWithLength;
PyProxyWithGet: typeof PyProxyWithGet;
PyProxyWithSet: typeof PyProxyWithSet;
PyProxyWithHas: typeof PyProxyWithHas;
PyDict: typeof PyDict;
PyIterable: typeof PyIterable;
PyAsyncIterable: typeof PyAsyncIterable;
PyIterator: typeof PyIterator;
PyAsyncIterator: typeof PyAsyncIterator;
PyGenerator: typeof PyGenerator;
PyAsyncGenerator: typeof PyAsyncGenerator;
PyAwaitable: typeof PyAwaitable;
PyCallable: typeof PyCallable;
PyBuffer: typeof PyBuffer;
PyBufferView: typeof PyBufferView;
PythonError: typeof PythonError;
PySequence: typeof PySequence;
PyMutableSequence: typeof PyMutableSequence;
};
/** @hidden */
static setStdin: typeof setStdin;
/** @hidden */
static setStdout: typeof setStdout;
/** @hidden */
static setStderr: typeof setStderr;
/**
*
* An alias to the global Python namespace.
*
* For example, to access a variable called ``foo`` in the Python global
* scope, use ``pyodide.globals.get("foo")``
*/
static globals: PyProxy;
/**
* An alias to the `Emscripten File System API
* <https://emscripten.org/docs/api_reference/Filesystem-API.html>`_.
*
* This provides a wide range of POSIX-`like` file/device operations, including
* `mount
* <https://emscripten.org/docs/api_reference/Filesystem-API.html#FS.mount>`_
* which can be used to extend the in-memory filesystem with features like `persistence
* <https://emscripten.org/docs/api_reference/Filesystem-API.html#persistent-data>`_.
*
* While all the file systems implementations are enabled, only the default
* ``MEMFS`` is guaranteed to work in all runtime settings. The implementations
* are available as members of ``FS.filesystems``:
* ``IDBFS``, ``NODEFS``, ``PROXYFS``, ``WORKERFS``.
*/
static FS: FSType;
/**
* An alias to the `Emscripten Path API
* <https://github.com/emscripten-core/emscripten/blob/main/src/library_path.js>`_.
*
* This provides a variety of operations for working with file system paths, such as
* ``dirname``, ``normalize``, and ``splitPath``.
*/
static PATH: any;
/**
* APIs to set a canvas for rendering graphics.
* @summaryLink :ref:`canvas <js-api-pyodide-canvas>`
* @omitFromAutoModule
*/
static canvas: CanvasInterface;
/**
* A map from posix error names to error codes.
*/
static ERRNO_CODES: {
[code: string]: number;
};
/**
* An alias to the Python :ref:`pyodide <python-api>` package.
*
* You can use this to call functions defined in the Pyodide Python package
* from JavaScript.
*/
static pyodide_py: PyProxy;
/**
* Inspect a Python code chunk and use :js:func:`pyodide.loadPackage` to install
* any known packages that the code chunk imports. Uses the Python API
* :func:`pyodide.code.find\_imports` to inspect the code.
*
* For example, given the following code as input
*
* .. code-block:: python
*
* import numpy as np
* x = np.array([1, 2, 3])
*
* :js:func:`loadPackagesFromImports` will call
* ``pyodide.loadPackage(['numpy'])``.
*
* @param code The code to inspect.
* @param options Options passed to :js:func:`pyodide.loadPackage`.
* @param options.messageCallback A callback, called with progress messages
* (optional)
* @param options.errorCallback A callback, called with error/warning messages
* (optional)
* @param options.checkIntegrity If true, check the integrity of the downloaded
* packages (default: true)
*/
static loadPackagesFromImports(code: string, options?: {
messageCallback?: (message: string) => void;
errorCallback?: (message: string) => void;
checkIntegrity?: boolean;
}): Promise<Array<PackageData>>;
/**
* Runs a string of Python code from JavaScript, using :py:func:`~pyodide.code.eval_code`
* to evaluate the code. If the last statement in the Python code is an
* expression (and the code doesn't end with a semicolon), the value of the
* expression is returned.
*
* @param code The Python code to run
* @param options
* @param options.globals An optional Python dictionary to use as the globals.
* Defaults to :js:attr:`pyodide.globals`.
* @param options.locals An optional Python dictionary to use as the locals.
* Defaults to the same as ``globals``.
* @param options.filename An optional string to use as the file name.
* Defaults to ``"<exec>"``. If a custom file name is given, the
* traceback for any exception that is thrown will show source lines
* (unless the given file name starts with ``<`` and ends with ``>``).
* @returns The result of the Python code translated to JavaScript. See the
* documentation for :py:func:`~pyodide.code.eval_code` for more info.
* @example
* async function main(){
* const pyodide = await loadPyodide();
* console.log(pyodide.runPython("1 + 2"));
* // 3
*
* const globals = pyodide.toPy({ x: 3 });
* console.log(pyodide.runPython("x + 1", { globals }));
* // 4
*
* const locals = pyodide.toPy({ arr: [1, 2, 3] });
* console.log(pyodide.runPython("sum(arr)", { locals }));
* // 6
* }
* main();
*/
static runPython(code: string, options?: {
globals?: PyProxy;
locals?: PyProxy;
filename?: string;
}): any;
/**
* Run a Python code string with top level await using
* :py:func:`~pyodide.code.eval_code_async` to evaluate the code. Returns a promise which
* resolves when execution completes. If the last statement in the Python code
* is an expression (and the code doesn't end with a semicolon), the returned
* promise will resolve to the value of this expression.
*
* For example:
*
* .. code-block:: pyodide
*
* let result = await pyodide.runPythonAsync(`
* from js import fetch
* response = await fetch("./pyodide-lock.json")
* packages = await response.json()
* # If final statement is an expression, its value is returned to JavaScript
* len(packages.packages.object_keys())
* `);
* console.log(result); // 79
*
* .. admonition:: Python imports
* :class: warning
*
* Since pyodide 0.18.0, you must call :js:func:`loadPackagesFromImports` to
* import any python packages referenced via ``import`` statements in your
* code. This function will no longer do it for you.
*
* @param code The Python code to run
* @param options
* @param options.globals An optional Python dictionary to use as the globals.
* Defaults to :js:attr:`pyodide.globals`.
* @param options.locals An optional Python dictionary to use as the locals.
* Defaults to the same as ``globals``.
* @param options.filename An optional string to use as the file name.
* Defaults to ``"<exec>"``. If a custom file name is given, the
* traceback for any exception that is thrown will show source lines
* (unless the given file name starts with ``<`` and ends with ``>``).
* @returns The result of the Python code translated to JavaScript.
*/
static runPythonAsync(code: string, options?: {
globals?: PyProxy;
locals?: PyProxy;
filename?: string;
}): Promise<any>;
/**
* Registers the JavaScript object ``module`` as a JavaScript module named
* ``name``. This module can then be imported from Python using the standard
* Python import system. If another module by the same name has already been
* imported, this won't have much effect unless you also delete the imported
* module from :py:data:`sys.modules`. This calls
* :func:`~pyodide.ffi.register_js_module`.
*
* Any attributes of the JavaScript objects which are themselves objects will
* be treated as submodules:
* ```pyodide
* pyodide.registerJsModule("mymodule", { submodule: { value: 7 } });
* pyodide.runPython(`
* from mymodule.submodule import value
* assert value == 7
* `);
* ```
* If you wish to prevent this, try the following instead:
* ```pyodide
* const sys = pyodide.pyimport("sys");
* sys.modules.set("mymodule", { obj: { value: 7 } });
* pyodide.runPython(`
* from mymodule import obj
* assert obj.value == 7
* # attempting to treat obj as a submodule raises ModuleNotFoundError:
* # "No module named 'mymodule.obj'; 'mymodule' is not a package"
* from mymodule.obj import value
* `);
* ```
*
* @param name Name of the JavaScript module to add
* @param module JavaScript object backing the module
*/
static registerJsModule(name: string, module: object): void;
/**
* Unregisters a JavaScript module with given name that has been previously
* registered with :js:func:`pyodide.registerJsModule` or
* :func:`~pyodide.ffi.register_js_module`. If a JavaScript module with that
* name does not already exist, will throw an error. Note that if the module has
* already been imported, this won't have much effect unless you also delete the
* imported module from :py:data:`sys.modules`. This calls
* :func:`~pyodide.ffi.unregister_js_module`.
*
* @param name Name of the JavaScript module to remove
*/
static unregisterJsModule(name: string): void;
/**
* Convert a JavaScript object to a Python object as best as possible.
*
* This is similar to :py:meth:`~pyodide.ffi.JsProxy.to_py` but for use from
* JavaScript. If the object is immutable or a :js:class:`~pyodide.ffi.PyProxy`,
* it will be returned unchanged. If the object cannot be converted into Python,
* it will be returned unchanged.
*
* See :ref:`type-translations-jsproxy-to-py` for more information.
*
* @param obj The object to convert.
* @param options
* @returns The object converted to Python.
*/
static toPy(obj: any, { depth, defaultConverter, }?: {
/**
* Optional argument to limit the depth of the conversion.
*/
depth: number;
/**
* Optional argument to convert objects with no default conversion. See the
* documentation of :py:meth:`~pyodide.ffi.JsProxy.to_py`.
*/
defaultConverter?: (value: any, converter: (value: any) => any, cacheConversion: (input: any, output: any) => void) => any;
}): any;
/**
* Imports a module and returns it.
*
* If `name` has no dot in it, then `pyimport(name)` is approximately
* equivalent to:
* ```js
* pyodide.runPython(`import ${name}; ${name}`)
* ```
* except that `name` is not introduced into the Python global namespace. If
* the name has one or more dots in it, say it is of the form `path.name`
* where `name` has no dots but path may have zero or more dots. Then it is
* approximately the same as:
* ```js
* pyodide.runPython(`from ${path} import ${name}; ${name}`);
* ```
*
* @param mod_name The name of the module to import
*
* @example
* pyodide.pyimport("math.comb")(4, 2) // returns 4 choose 2 = 6
*/
static pyimport(mod_name: string): any;
/**
* Unpack an archive into a target directory.
*
* @param buffer The archive as an :js:class:`ArrayBuffer` or :js:class:`TypedArray`.
* @param format The format of the archive. Should be one of the formats
* recognized by :py:func:`shutil.unpack_archive`. By default the options are
* ``'bztar'``, ``'gztar'``, ``'tar'``, ``'zip'``, and ``'wheel'``. Several
* synonyms are accepted for each format, e.g., for ``'gztar'`` any of
* ``'.gztar'``, ``'.tar.gz'``, ``'.tgz'``, ``'tar.gz'`` or ``'tgz'`` are
* considered to be
* synonyms.
*
* @param options
* @param options.extractDir The directory to unpack the archive into. Defaults
* to the working directory.
*/
static unpackArchive(buffer: TypedArray | ArrayBuffer, format: string, options?: {
extractDir?: string;
}): void;
/**
* Mounts a :js:class:`FileSystemDirectoryHandle` into the target directory.
* Currently it's only possible to acquire a
* :js:class:`FileSystemDirectoryHandle` in Chrome.
*
* @param path The absolute path in the Emscripten file system to mount the
* native directory. If the directory does not exist, it will be created. If
* it does exist, it must be empty.
* @param fileSystemHandle A handle returned by
* :js:func:`navigator.storage.getDirectory() <getDirectory>` or
* :js:func:`window.showDirectoryPicker() <showDirectoryPicker>`.
*/
static mountNativeFS(path: string, fileSystemHandle: FileSystemDirectoryHandle): Promise<NativeFS>;
/**
* Mounts a host directory into Pyodide file system. Only works in node.
*
* @param emscriptenPath The absolute path in the Emscripten file system to
* mount the native directory. If the directory does not exist, it will be
* created. If it does exist, it must be empty.
* @param hostPath The host path to mount. It must be a directory that exists.
*/
static mountNodeFS(emscriptenPath: string, hostPath: string): void;
/**
* Tell Pyodide about Comlink.
* Necessary to enable importing Comlink proxies into Python.
*/
static registerComlink(Comlink: any): void;
/**
* Sets the interrupt buffer to be ``interrupt_buffer``. This is only useful