euporie.notebook.tabs.notebook

Contain the main class for a notebook file.

Functions

deepcopy(x[, memo, _nil])	Deep copy operation on arbitrary Python objects.
get_cmd(name)	Get a command from the centralized command system by name.
load_registered_bindings(*names[, config])	Assign key-bindings to commands based on a dictionary.
new_code_cell([source])	Create a new code cell, without validation.
register_bindings(bindings)	Update the key-binding registry.
uuid4()	Generate a random UUID.

Classes

BaseNotebook(app[, path, kernel, comms, ...])	The main notebook container class.
CachedContainer(content[, mouse_handler_wrapper])	A container which renders its content once and caches the output.
Cell(index, json, kernel_tab[, is_new])	A kernel_tab cell element.
ClipboardData([text, type])	Text on the clipboard.
Condition(func)	Turn any callable into a Filter.
ConditionalContainer(content, filter[, ...])	Wrapper around any other container that can change the visibility.
Dimension([min, max, weight, preferred])	Specified dimension (width/height) of a user control or window.
Line([char, width, height, collapse, style])	Draw a horizontal or vertical line.
MarginContainer(margin, target)	A container which renders a stand-alone margin.
MouseEventType(*values)
MouseHandlerWrapper(content, handler)	A container which wraps mouse events to add a mouse handler.
Notebook(app[, path, kernel, comms, ...])	Interactive notebooks.
Pattern(char[, pattern, style])	Fill an area with a repeating background pattern.
ScrollbarMargin([display_arrows, ...])	Margin displaying a scrollbar.
ScrollingContainer(children[, height, ...])	A scrollable container which renders only the currently visible children.
VSplit(children[, window_too_small, align, ...])	Several layouts, one stacked left/right of the other.
deque	A list-like sequence optimized for data accesses near its endpoints.
partial(func, /, *args, **keywords)	Create a new function with partial application of the given arguments and keywords.

class euporie.notebook.tabs.notebook.Notebook(app: BaseApp, path: Path | None = None, kernel: BaseKernel | None = None, comms: dict[str, Comm] | None = None, use_kernel_history: bool = True, json: dict[str, Any] | None = None)

Bases: BaseNotebook

Interactive notebooks.

A tab which allows running and editing a notebook.

add(index: int, source: str = '', **kwargs: Any) → None

Create a new cell at a given index.

Parameters:

• index – The position at which to insert a new cell

• source – The contents of the new cell

• kwargs – Additional parameters for the cell

add_cell_above() → None

Inert a cell above the current selection.

add_cell_below() → None

Inert a cell below the current selection.

allow_stdin: bool = True

bg_init = True

property cell: Cell

Return the currently selected Cell in this Notebook.

property cells: Sequence[Cell]

Return the currently selected Cells in this Notebook.

change_kernel(msg: str | None = None, startup: bool = False) → None

Prompt the user to select a new kernel.

check_edit_mode() → bool

Determine if the notebook is (or should be) in edit mode.

close(cb: Callable | None = None) → None

Check if the user want to save an unsaved notebook, then close the file.

Parameters:

cb – A callback to run if after closing the notebook.

comm_close(content: dict, buffers: Sequence[bytes]) → None

Close a notebook Comm.

comm_msg(content: dict, buffers: Sequence[bytes]) → None

Respond to a Comm message from the kernel.

comm_open(content: dict, buffers: Sequence[bytes]) → None

Register a new kernel Comm object in the notebook.

comms: dict[str, Comm]

completers: list[Completer]

container: AnyContainer

copy(slice_: slice | None = None) → None

Add a copy of the selected cells to the Notebook’s clipboard.

copy_outputs(slice_: slice | None = None) → None

Copy the outputs of the selected cells.

property current_input: KernelInput

Return the currently active kernel input, if any.

cut(slice_: slice | None = None) → None

Remove cells from the notebook and them to the Notebook’s clipboard.

default_callbacks: MsgCallbacks

delete(slice_: slice | None = None) → None

Delete cells from the notebook.

edit_mode = False

enter_edit_mode() → None

Enter cell edit mode.

exit_edit_mode() → None

Leave cell edit mode.

file_extensions: ClassVar[dict[str, None]] = {'.R': None, '.Rmd': None, '.clj': None, '.coco': None, '.cpp': None, '.cs': None, '.do': None, '.fs': None, '.fsx': None, '.go': None, '.gp': None, '.groovy': None, '.hs': None, '.ipynb': None, '.java': None, '.jl': None, '.js': None, '.lgt': None, '.logtalk': None, '.lua': None, '.m': None, '.mac': None, '.markdown': None, '.md': None, '.ml': None, '.mnb': None, '.myst': None, '.mystnb': None, '.pro': None, '.ps1': None, '.py': None, '.q': None, '.qmd': None, '.r': None, '.resource': None, '.robot': None, '.rs': None, '.sage': None, '.sas': None, '.scala': None, '.scm': None, '.sh': None, '.sos': None, '.ss': None, '.tcl': None, '.ts': None, '.wolfram': None, '.xsh': None}

focus() → None

Focus the tab (or make it visible).

formatters: list[Formatter]

get_cell_by_id(cell_id: str) → Cell | None

Return a reference to the Cell container with a given cell id.

history: History

init_kernel(kernel: BaseKernel | None = None, comms: dict[str, Comm] | None = None, use_kernel_history: bool = False, connection_file: Path | None = None) → None

Defer loading kernel until after notebook file is loaded.

inspectors: list[Inspector]

interrupt_kernel() → None

Interrupt the current Notebook’s kernel.

kernel: BaseKernel

kernel_died() → None

Call if the kernel dies.

property kernel_display_name: str

Return the display name of the kernel defined in the notebook JSON.

property kernel_lang_file_ext: str

Return the display name of the kernel defined in the notebook JSON.

kernel_language: str

property kernel_name: str

Return the name of the kernel defined in the notebook JSON.

kernel_started(result: dict[str, Any] | None = None) → None

Run when the kernel has started.

lang_file_ext() → str

Return the file extension for scripts in the notebook’s language.

property language: str

Return the name of the kernel defined in the notebook JSON.

load() → None

Load the notebook file from the file-system.

load_container() → AnyContainer

Trigger loading of the main notebook container.

async load_history() → None

Load kernel history.

async load_lsps() → None

Load the LSP clients.

load_widgets_from_metadata() → None

Load widgets from state saved in notebook metadata.

lsp_after_save_handler(lsp: LspClient) → None

Tell the the LSP we saved a document.

lsp_before_save_handler(lsp: LspClient) → None

Tell the the LSP we are about to save a document.

lsp_change_handler(lsp: LspClient) → None

Tell the LSP server a file metadata has changed.

lsp_close_handler(lsp: LspClient) → None

Tell the LSP we opened a file.

lsp_open_handler(lsp: LspClient) → None

Tell the LSP we opened a file.

lsp_update_diagnostics(lsp: LspClient) → None

Process a new diagnostic report from the LSP.

lsps: list[LspClient]

merge(slice_: slice | None = None) → None

Merge two or more cells.

property metadata: dict[str, Any]

Return a dictionary to hold notebook / kernel metadata.

mime_types: ClassVar[set[str]] = {'application/x-ipynb+json'}

mode() → str

Return a symbol representing the current mode.

• ^: Notebook mode

• >: Navigation mode

• I: Insert mode

• v: Visual mode

Returns:

A character representing the current mode

move(n: int, slice_: slice | None = None) → None

Move a slice of cells up or down.

Parameters:

• slice – A slice describing the cell indices to move

• n – The amount to move them by

multiple_cells_selected: Filter

name: str | None = 'Notebook Editor'

new_output_default(output_json: dict[str, Any], own: bool) → None

Add a new output without a cell to the currently selected cell.

paste(index: int | None = None) → None

Append the contents of the Notebook’s clipboard below the current cell.

property path_name: str

Return the path name.

post_init_kernel() → None

Start the kernel after if has been loaded.

pre_init_kernel() → None

Run stuff before the kernel is loaded.

reformat() → None

Reformat all code cells in the notebooks.

refresh(slice_: slice | None = None, scroll: bool = True) → None

Refresh the rendered contents of this notebook.

refresh_cell(cell: Cell) → None

Trigger the refresh of a notebook cell.

rendered_cells() → list[Cell]

Return a list of rendered notebooks’ cells.

report() → Report

Return the current diagnostic reports.

report_kernel_error(error: Exception | None) → None

Report a kernel error to the user.

reports: WeakKeyDictionary[LspClient, Report]

reset() → None

Reload the notebook file from the disk and re-render.

restart_kernel(cb: Callable | None = None) → None

Restart the current Notebook’s kernel.

run_all(wait: bool = False) → None

Run all cells.

run_cell(cell: Cell, wait: bool = False, callback: Callable[..., None] | None = None) → None

Run a cell.

Parameters:

• cell – The rendered cell to run. If None, runs the currently selected cell.

• wait – If True, blocks until cell execution is finished

• callback – Function to run after completion

run_selected_cells(advance: bool = False, insert: bool = False) → None

Run the currently selected cells.

Parameters:

• advance – If True, move to next cell. If True and at the last cell, create a new cell at the end of the notebook.

• insert – If True, add a new empty cell below the current cell and select it.

save(path: Path | None = None, cb: Callable | None = None) → None

Save the current file.

scroll_to(index: int) → None

Scroll to a cell by index.

select(index: int, extend: bool = False, position: int | None = None, scroll: bool = True) → None

Select a cell or adds it to the selection.

Parameters:

• index – The index of the cell to select

• extend – If true, the selection will be extended to include the cell

• position – An optional cursor position index to apply to the cell input

• scroll – Whether to scroll the page

property selected_indices: list[int]

Return a list of the currently selected cell indices.

set_kernel_info(info: dict) → None

Handle kernel info requests.

set_next_input(text: str, replace: bool = False) → None

Handle set_next_input payloads, e.g. %load magic.

set_status(status: str) → None

Call when kernel status changes.

split_cell() → None

Split a cell into two at the cursor position.

suggester: AutoSuggest

switch_kernel(factory: KernelFactory) → None

Shut down the current kernel and change to another.

property title: str

Return the tab title.

undelete() → None

Insert the last deleted cell(s) back into the notebook.

weight: int = 3

write_file(path: Path) → None

Write the notebook’s JSON to the current notebook’s file.

Additionally save the widget state to the notebook metadata.

Parameters:

path – An path at which to save the file