@jupyterlab/services
Version:
Client APIs for the Jupyter services REST APIs
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TypeScript
import { ModelDB } from '@jupyterlab/observables';
import { IDisposable } from '@lumino/disposable';
import { ISignal } from '@lumino/signaling';
import { ServerConnection } from '..';
/**
* A namespace for contents interfaces.
*/
export declare namespace Contents {
/**
* A contents model.
*/
interface IModel {
/**
* Name of the contents file.
*
* #### Notes
* Equivalent to the last part of the `path` field.
*/
readonly name: string;
/**
* The full file path.
*
* #### Notes
* It will *not* start with `/`, and it will be `/`-delimited.
*/
readonly path: string;
/**
* The type of file.
*/
readonly type: ContentType;
/**
* Whether the requester has permission to edit the file.
*/
readonly writable: boolean;
/**
* File creation timestamp.
*/
readonly created: string;
/**
* Last modified timestamp.
*/
readonly last_modified: string;
/**
* Specify the mime-type of file contents.
*
* #### Notes
* Only non-`null` when `content` is present and `type` is `"file"`.
*/
readonly mimetype: string;
/**
* The optional file content.
*/
readonly content: any;
/**
* The chunk of the file upload.
*/
readonly chunk?: number;
/**
* The format of the file `content`.
*
* #### Notes
* Only relevant for type: 'file'
*/
readonly format: FileFormat;
/**
* The size of then file in bytes.
*/
readonly size?: number;
/**
* The indices of the matched characters in the name.
*/
indices?: ReadonlyArray<number> | null;
}
/**
* Validates an IModel, throwing an error if it does not pass.
*/
function validateContentsModel(contents: IModel): void;
/**
* A contents file type.
*/
type ContentType = 'notebook' | 'file' | 'directory';
/**
* A contents file format.
*/
type FileFormat = 'json' | 'text' | 'base64' | null;
/**
* The options used to fetch a file.
*/
interface IFetchOptions {
/**
* The override file type for the request.
*/
type?: ContentType;
/**
* The override file format for the request.
*/
format?: FileFormat;
/**
* Whether to include the file content.
*
* The default is `true`.
*/
content?: boolean;
}
/**
* The options used to create a file.
*/
interface ICreateOptions {
/**
* The directory in which to create the file.
*/
path?: string;
/**
* The optional file extension for the new file (e.g. `".txt"`).
*
* #### Notes
* This ignored if `type` is `'notebook'`.
*/
ext?: string;
/**
* The file type.
*/
type?: ContentType;
}
/**
* Checkpoint model.
*/
interface ICheckpointModel {
/**
* The unique identifier for the checkpoint.
*/
readonly id: string;
/**
* Last modified timestamp.
*/
readonly last_modified: string;
}
/**
* Validates an ICheckpointModel, throwing an error if it does not pass.
*/
function validateCheckpointModel(checkpoint: ICheckpointModel): void;
/**
* The change args for a file change.
*/
interface IChangedArgs {
/**
* The type of change.
*/
type: 'new' | 'delete' | 'rename' | 'save';
/**
* The new contents.
*/
oldValue: Partial<IModel> | null;
/**
* The old contents.
*/
newValue: Partial<IModel> | null;
}
/**
* The interface for a contents manager.
*/
interface IManager extends IDisposable {
/**
* A signal emitted when a file operation takes place.
*/
readonly fileChanged: ISignal<IManager, IChangedArgs>;
/**
* The server settings associated with the manager.
*/
readonly serverSettings: ServerConnection.ISettings;
/**
* Add an `IDrive` to the manager.
*/
addDrive(drive: IDrive): void;
/**
* Given a path of the form `drive:local/portion/of/it.txt`
* get the local part of it.
*
* @param path: the path.
*
* @returns The local part of the path.
*/
localPath(path: string): string;
/**
* Normalize a global path. Reduces '..' and '.' parts, and removes
* leading slashes from the local part of the path, while retaining
* the drive name if it exists.
*
* @param path: the path.
*
* @returns The normalized path.
*/
normalize(path: string): string;
/**
* Resolve a global path, starting from the root path. Behaves like
* posix-path.resolve, with 3 differences:
* - will never prepend cwd
* - if root has a drive name, the result is prefixed with "<drive>:"
* - before adding drive name, leading slashes are removed
*
* @param path: the path.
*
* @returns The normalized path.
*/
resolvePath(root: string, path: string): string;
/**
* Given a path of the form `drive:local/portion/of/it.txt`
* get the name of the drive. If the path is missing
* a drive portion, returns an empty string.
*
* @param path: the path.
*
* @returns The drive name for the path, or the empty string.
*/
driveName(path: string): string;
/**
* Given a path, get a ModelDB.IFactory from the
* relevant backend. Returns `null` if the backend
* does not provide one.
*/
getModelDBFactory(path: string): ModelDB.IFactory | null;
/**
* Get a file or directory.
*
* @param path: The path to the file.
*
* @param options: The options used to fetch the file.
*
* @returns A promise which resolves with the file content.
*/
get(path: string, options?: IFetchOptions): Promise<IModel>;
/**
* Get an encoded download url given a file path.
*
* @param A promise which resolves with the absolute POSIX
* file path on the server.
*
* #### Notes
* The returned URL may include a query parameter.
*/
getDownloadUrl(path: string): Promise<string>;
/**
* Create a new untitled file or directory in the specified directory path.
*
* @param options: The options used to create the file.
*
* @returns A promise which resolves with the created file content when the
* file is created.
*/
newUntitled(options?: ICreateOptions): Promise<IModel>;
/**
* Delete a file.
*
* @param path - The path to the file.
*
* @returns A promise which resolves when the file is deleted.
*/
delete(path: string): Promise<void>;
/**
* Rename a file or directory.
*
* @param path - The original file path.
*
* @param newPath - The new file path.
*
* @returns A promise which resolves with the new file content model when the
* file is renamed.
*/
rename(path: string, newPath: string): Promise<IModel>;
/**
* Save a file.
*
* @param path - The desired file path.
*
* @param options - Optional overrides to the model.
*
* @returns A promise which resolves with the file content model when the
* file is saved.
*/
save(path: string, options?: Partial<IModel>): Promise<IModel>;
/**
* Copy a file into a given directory.
*
* @param path - The original file path.
*
* @param toDir - The destination directory path.
*
* @returns A promise which resolves with the new content model when the
* file is copied.
*/
copy(path: string, toDir: string): Promise<IModel>;
/**
* Create a checkpoint for a file.
*
* @param path - The path of the file.
*
* @returns A promise which resolves with the new checkpoint model when the
* checkpoint is created.
*/
createCheckpoint(path: string): Promise<ICheckpointModel>;
/**
* List available checkpoints for a file.
*
* @param path - The path of the file.
*
* @returns A promise which resolves with a list of checkpoint models for
* the file.
*/
listCheckpoints(path: string): Promise<ICheckpointModel[]>;
/**
* Restore a file to a known checkpoint state.
*
* @param path - The path of the file.
*
* @param checkpointID - The id of the checkpoint to restore.
*
* @returns A promise which resolves when the checkpoint is restored.
*/
restoreCheckpoint(path: string, checkpointID: string): Promise<void>;
/**
* Delete a checkpoint for a file.
*
* @param path - The path of the file.
*
* @param checkpointID - The id of the checkpoint to delete.
*
* @returns A promise which resolves when the checkpoint is deleted.
*/
deleteCheckpoint(path: string, checkpointID: string): Promise<void>;
}
/**
* The interface for a network drive that can be mounted
* in the contents manager.
*/
interface IDrive extends IDisposable {
/**
* The name of the drive, which is used at the leading
* component of file paths.
*/
readonly name: string;
/**
* The server settings of the manager.
*/
readonly serverSettings: ServerConnection.ISettings;
/**
* An optional ModelDB.IFactory instance for the
* drive.
*/
readonly modelDBFactory?: ModelDB.IFactory;
/**
* A signal emitted when a file operation takes place.
*/
fileChanged: ISignal<IDrive, IChangedArgs>;
/**
* Get a file or directory.
*
* @param localPath: The path to the file.
*
* @param options: The options used to fetch the file.
*
* @returns A promise which resolves with the file content.
*/
get(localPath: string, options?: IFetchOptions): Promise<IModel>;
/**
* Get an encoded download url given a file path.
*
* @param A promise which resolves with the absolute POSIX
* file path on the server.
*
* #### Notes
* The returned URL may include a query parameter.
*/
getDownloadUrl(localPath: string): Promise<string>;
/**
* Create a new untitled file or directory in the specified directory path.
*
* @param options: The options used to create the file.
*
* @returns A promise which resolves with the created file content when the
* file is created.
*/
newUntitled(options?: ICreateOptions): Promise<IModel>;
/**
* Delete a file.
*
* @param localPath - The path to the file.
*
* @returns A promise which resolves when the file is deleted.
*/
delete(localPath: string): Promise<void>;
/**
* Rename a file or directory.
*
* @param oldLocalPath - The original file path.
*
* @param newLocalPath - The new file path.
*
* @returns A promise which resolves with the new file content model when the
* file is renamed.
*/
rename(oldLocalPath: string, newLocalPath: string): Promise<IModel>;
/**
* Save a file.
*
* @param localPath - The desired file path.
*
* @param options - Optional overrides to the model.
*
* @returns A promise which resolves with the file content model when the
* file is saved.
*/
save(localPath: string, options?: Partial<IModel>): Promise<IModel>;
/**
* Copy a file into a given directory.
*
* @param localPath - The original file path.
*
* @param toLocalDir - The destination directory path.
*
* @returns A promise which resolves with the new content model when the
* file is copied.
*/
copy(localPath: string, toLocalDir: string): Promise<IModel>;
/**
* Create a checkpoint for a file.
*
* @param localPath - The path of the file.
*
* @returns A promise which resolves with the new checkpoint model when the
* checkpoint is created.
*/
createCheckpoint(localPath: string): Promise<ICheckpointModel>;
/**
* List available checkpoints for a file.
*
* @param localPath - The path of the file.
*
* @returns A promise which resolves with a list of checkpoint models for
* the file.
*/
listCheckpoints(localPath: string): Promise<ICheckpointModel[]>;
/**
* Restore a file to a known checkpoint state.
*
* @param localPath - The path of the file.
*
* @param checkpointID - The id of the checkpoint to restore.
*
* @returns A promise which resolves when the checkpoint is restored.
*/
restoreCheckpoint(localPath: string, checkpointID: string): Promise<void>;
/**
* Delete a checkpoint for a file.
*
* @param localPath - The path of the file.
*
* @param checkpointID - The id of the checkpoint to delete.
*
* @returns A promise which resolves when the checkpoint is deleted.
*/
deleteCheckpoint(localPath: string, checkpointID: string): Promise<void>;
}
}
/**
* A contents manager that passes file operations to the server.
* Multiple servers implementing the `IDrive` interface can be
* attached to the contents manager, so that the same session can
* perform file operations on multiple backends.
*
* This includes checkpointing with the normal file operations.
*/
export declare class ContentsManager implements Contents.IManager {
/**
* Construct a new contents manager object.
*
* @param options - The options used to initialize the object.
*/
constructor(options?: ContentsManager.IOptions);
/**
* The server settings associated with the manager.
*/
readonly serverSettings: ServerConnection.ISettings;
/**
* A signal emitted when a file operation takes place.
*/
get fileChanged(): ISignal<this, Contents.IChangedArgs>;
/**
* Test whether the manager has been disposed.
*/
get isDisposed(): boolean;
/**
* Dispose of the resources held by the manager.
*/
dispose(): void;
/**
* Add an `IDrive` to the manager.
*/
addDrive(drive: Contents.IDrive): void;
/**
* Given a path, get a ModelDB.IFactory from the
* relevant backend. Returns `undefined` if the backend
* does not provide one.
*/
getModelDBFactory(path: string): ModelDB.IFactory | null;
/**
* Given a path of the form `drive:local/portion/of/it.txt`
* get the local part of it.
*
* @param path: the path.
*
* @returns The local part of the path.
*/
localPath(path: string): string;
/**
* Normalize a global path. Reduces '..' and '.' parts, and removes
* leading slashes from the local part of the path, while retaining
* the drive name if it exists.
*
* @param path: the path.
*
* @returns The normalized path.
*/
normalize(path: string): string;
/**
* Resolve a global path, starting from the root path. Behaves like
* posix-path.resolve, with 3 differences:
* - will never prepend cwd
* - if root has a drive name, the result is prefixed with "<drive>:"
* - before adding drive name, leading slashes are removed
*
* @param path: the path.
*
* @returns The normalized path.
*/
resolvePath(root: string, path: string): string;
/**
* Given a path of the form `drive:local/portion/of/it.txt`
* get the name of the drive. If the path is missing
* a drive portion, returns an empty string.
*
* @param path: the path.
*
* @returns The drive name for the path, or the empty string.
*/
driveName(path: string): string;
/**
* Get a file or directory.
*
* @param path: The path to the file.
*
* @param options: The options used to fetch the file.
*
* @returns A promise which resolves with the file content.
*/
get(path: string, options?: Contents.IFetchOptions): Promise<Contents.IModel>;
/**
* Get an encoded download url given a file path.
*
* @param path - An absolute POSIX file path on the server.
*
* #### Notes
* It is expected that the path contains no relative paths.
*
* The returned URL may include a query parameter.
*/
getDownloadUrl(path: string): Promise<string>;
/**
* Create a new untitled file or directory in the specified directory path.
*
* @param options: The options used to create the file.
*
* @returns A promise which resolves with the created file content when the
* file is created.
*/
newUntitled(options?: Contents.ICreateOptions): Promise<Contents.IModel>;
/**
* Delete a file.
*
* @param path - The path to the file.
*
* @returns A promise which resolves when the file is deleted.
*/
delete(path: string): Promise<void>;
/**
* Rename a file or directory.
*
* @param path - The original file path.
*
* @param newPath - The new file path.
*
* @returns A promise which resolves with the new file contents model when
* the file is renamed.
*/
rename(path: string, newPath: string): Promise<Contents.IModel>;
/**
* Save a file.
*
* @param path - The desired file path.
*
* @param options - Optional overrides to the model.
*
* @returns A promise which resolves with the file content model when the
* file is saved.
*
* #### Notes
* Ensure that `model.content` is populated for the file.
*/
save(path: string, options?: Partial<Contents.IModel>): Promise<Contents.IModel>;
/**
* Copy a file into a given directory.
*
* @param path - The original file path.
*
* @param toDir - The destination directory path.
*
* @returns A promise which resolves with the new contents model when the
* file is copied.
*
* #### Notes
* The server will select the name of the copied file.
*/
copy(fromFile: string, toDir: string): Promise<Contents.IModel>;
/**
* Create a checkpoint for a file.
*
* @param path - The path of the file.
*
* @returns A promise which resolves with the new checkpoint model when the
* checkpoint is created.
*/
createCheckpoint(path: string): Promise<Contents.ICheckpointModel>;
/**
* List available checkpoints for a file.
*
* @param path - The path of the file.
*
* @returns A promise which resolves with a list of checkpoint models for
* the file.
*/
listCheckpoints(path: string): Promise<Contents.ICheckpointModel[]>;
/**
* Restore a file to a known checkpoint state.
*
* @param path - The path of the file.
*
* @param checkpointID - The id of the checkpoint to restore.
*
* @returns A promise which resolves when the checkpoint is restored.
*/
restoreCheckpoint(path: string, checkpointID: string): Promise<void>;
/**
* Delete a checkpoint for a file.
*
* @param path - The path of the file.
*
* @param checkpointID - The id of the checkpoint to delete.
*
* @returns A promise which resolves when the checkpoint is deleted.
*/
deleteCheckpoint(path: string, checkpointID: string): Promise<void>;
/**
* Given a drive and a local path, construct a fully qualified
* path. The inverse of `_driveForPath`.
*
* @param drive: an `IDrive`.
*
* @param localPath: the local path on the drive.
*
* @returns the fully qualified path.
*/
private _toGlobalPath;
/**
* Given a path, get the `IDrive to which it refers,
* where the path satisfies the pattern
* `'driveName:path/to/file'`. If there is no `driveName`
* prepended to the path, it returns the default drive.
*
* @param path: a path to a file.
*
* @returns A tuple containing an `IDrive` object for the path,
* and a local path for that drive.
*/
private _driveForPath;
/**
* Respond to fileChanged signals from the drives attached to
* the manager. This prepends the drive name to the path if necessary,
* and then forwards the signal.
*/
private _onFileChanged;
private _isDisposed;
private _additionalDrives;
private _defaultDrive;
private _fileChanged;
}
/**
* A default implementation for an `IDrive`, talking to the
* server using the Jupyter REST API.
*/
export declare class Drive implements Contents.IDrive {
/**
* Construct a new contents manager object.
*
* @param options - The options used to initialize the object.
*/
constructor(options?: Drive.IOptions);
/**
* The name of the drive, which is used at the leading
* component of file paths.
*/
readonly name: string;
/**
* A signal emitted when a file operation takes place.
*/
get fileChanged(): ISignal<this, Contents.IChangedArgs>;
/**
* The server settings of the drive.
*/
readonly serverSettings: ServerConnection.ISettings;
/**
* Test whether the manager has been disposed.
*/
get isDisposed(): boolean;
/**
* Dispose of the resources held by the manager.
*/
dispose(): void;
/**
* Get a file or directory.
*
* @param localPath: The path to the file.
*
* @param options: The options used to fetch the file.
*
* @returns A promise which resolves with the file content.
*
* Uses the [Jupyter Notebook API](http://petstore.swagger.io/?url=https://raw.githubusercontent.com/jupyter/notebook/master/notebook/services/api/api.yaml#!/contents) and validates the response model.
*/
get(localPath: string, options?: Contents.IFetchOptions): Promise<Contents.IModel>;
/**
* Get an encoded download url given a file path.
*
* @param localPath - An absolute POSIX file path on the server.
*
* #### Notes
* It is expected that the path contains no relative paths.
*
* The returned URL may include a query parameter.
*/
getDownloadUrl(localPath: string): Promise<string>;
/**
* Create a new untitled file or directory in the specified directory path.
*
* @param options: The options used to create the file.
*
* @returns A promise which resolves with the created file content when the
* file is created.
*
* #### Notes
* Uses the [Jupyter Notebook API](http://petstore.swagger.io/?url=https://raw.githubusercontent.com/jupyter/notebook/master/notebook/services/api/api.yaml#!/contents) and validates the response model.
*/
newUntitled(options?: Contents.ICreateOptions): Promise<Contents.IModel>;
/**
* Delete a file.
*
* @param localPath - The path to the file.
*
* @returns A promise which resolves when the file is deleted.
*
* #### Notes
* Uses the [Jupyter Notebook API](http://petstore.swagger.io/?url=https://raw.githubusercontent.com/jupyter/notebook/master/notebook/services/api/api.yaml#!/contents).
*/
delete(localPath: string): Promise<void>;
/**
* Rename a file or directory.
*
* @param oldLocalPath - The original file path.
*
* @param newLocalPath - The new file path.
*
* @returns A promise which resolves with the new file contents model when
* the file is renamed.
*
* #### Notes
* Uses the [Jupyter Notebook API](http://petstore.swagger.io/?url=https://raw.githubusercontent.com/jupyter/notebook/master/notebook/services/api/api.yaml#!/contents) and validates the response model.
*/
rename(oldLocalPath: string, newLocalPath: string): Promise<Contents.IModel>;
/**
* Save a file.
*
* @param localPath - The desired file path.
*
* @param options - Optional overrides to the model.
*
* @returns A promise which resolves with the file content model when the
* file is saved.
*
* #### Notes
* Ensure that `model.content` is populated for the file.
*
* Uses the [Jupyter Notebook API](http://petstore.swagger.io/?url=https://raw.githubusercontent.com/jupyter/notebook/master/notebook/services/api/api.yaml#!/contents) and validates the response model.
*/
save(localPath: string, options?: Partial<Contents.IModel>): Promise<Contents.IModel>;
/**
* Copy a file into a given directory.
*
* @param localPath - The original file path.
*
* @param toDir - The destination directory path.
*
* @returns A promise which resolves with the new contents model when the
* file is copied.
*
* #### Notes
* The server will select the name of the copied file.
*
* Uses the [Jupyter Notebook API](http://petstore.swagger.io/?url=https://raw.githubusercontent.com/jupyter/notebook/master/notebook/services/api/api.yaml#!/contents) and validates the response model.
*/
copy(fromFile: string, toDir: string): Promise<Contents.IModel>;
/**
* Create a checkpoint for a file.
*
* @param localPath - The path of the file.
*
* @returns A promise which resolves with the new checkpoint model when the
* checkpoint is created.
*
* #### Notes
* Uses the [Jupyter Notebook API](http://petstore.swagger.io/?url=https://raw.githubusercontent.com/jupyter/notebook/master/notebook/services/api/api.yaml#!/contents) and validates the response model.
*/
createCheckpoint(localPath: string): Promise<Contents.ICheckpointModel>;
/**
* List available checkpoints for a file.
*
* @param localPath - The path of the file.
*
* @returns A promise which resolves with a list of checkpoint models for
* the file.
*
* #### Notes
* Uses the [Jupyter Notebook API](http://petstore.swagger.io/?url=https://raw.githubusercontent.com/jupyter/notebook/master/notebook/services/api/api.yaml#!/contents) and validates the response model.
*/
listCheckpoints(localPath: string): Promise<Contents.ICheckpointModel[]>;
/**
* Restore a file to a known checkpoint state.
*
* @param localPath - The path of the file.
*
* @param checkpointID - The id of the checkpoint to restore.
*
* @returns A promise which resolves when the checkpoint is restored.
*
* #### Notes
* Uses the [Jupyter Notebook API](http://petstore.swagger.io/?url=https://raw.githubusercontent.com/jupyter/notebook/master/notebook/services/api/api.yaml#!/contents).
*/
restoreCheckpoint(localPath: string, checkpointID: string): Promise<void>;
/**
* Delete a checkpoint for a file.
*
* @param localPath - The path of the file.
*
* @param checkpointID - The id of the checkpoint to delete.
*
* @returns A promise which resolves when the checkpoint is deleted.
*
* #### Notes
* Uses the [Jupyter Notebook API](http://petstore.swagger.io/?url=https://raw.githubusercontent.com/jupyter/notebook/master/notebook/services/api/api.yaml#!/contents).
*/
deleteCheckpoint(localPath: string, checkpointID: string): Promise<void>;
/**
* Get a REST url for a file given a path.
*/
private _getUrl;
private _apiEndpoint;
private _isDisposed;
private _fileChanged;
}
/**
* A namespace for ContentsManager statics.
*/
export declare namespace ContentsManager {
/**
* The options used to initialize a contents manager.
*/
interface IOptions {
/**
* The default drive backend for the contents manager.
*/
defaultDrive?: Contents.IDrive;
/**
* The server settings associated with the manager.
*/
serverSettings?: ServerConnection.ISettings;
}
}
/**
* A namespace for Drive statics.
*/
export declare namespace Drive {
/**
* The options used to initialize a `Drive`.
*/
interface IOptions {
/**
* The name for the `Drive`, which is used in file
* paths to disambiguate it from other drives.
*/
name?: string;
/**
* The server settings for the server.
*/
serverSettings?: ServerConnection.ISettings;
/**
* A REST endpoint for drive requests.
* If not given, defaults to the Jupyter
* REST API given by [Jupyter Notebook API](http://petstore.swagger.io/?url=https://raw.githubusercontent.com/jupyter/notebook/master/notebook/services/api/api.yaml#!/contents).
*/
apiEndpoint?: string;
}
}