pyabc2.abcjs.widget.ABCJSWidget

class pyabc2.abcjs.widget.ABCJSWidget(**kwargs)

Display SVG sheet music rendered from ABC notation by abcjs.

Many of the render options are supported, though some names have been modified to fit the Python style.

Examples

>>> from pyabc2.abcjs.widget import ABCJSWidget
>>> w = ABCJSWidget(abc='ABCD', staff_width=250)
Parameters:
__init__(*args, **kwargs)

Public constructor

Parameters:
Return type:

None

Methods

__init__(*args, **kwargs)

Public constructor

add_class(className)

Adds a class to the top level element of the widget.

add_traits(**traits)

Dynamically add trait attributes to the Widget.

blur()

Blur the widget.

class_own_trait_events(name)

Get a dict of all event handlers defined on this class, not a parent.

class_own_traits(**metadata)

Get a dict of all the traitlets defined on this class, not a parent.

class_trait_names(**metadata)

Get a list of all the names of this class' traits.

class_traits(**metadata)

Get a dict of all the traits of this class.

close()

Close method.

close_all()

focus()

Focus on the widget.

get_manager_state([drop_defaults, widgets])

Returns the full state for a widget manager for embedding

get_state([key, drop_defaults])

Gets the widget state, or a piece of it.

get_view_spec()

handle_comm_opened(comm, msg)

Static method, called when a widget is constructed.

handle_control_comm_opened(comm, msg)

Class method, called when the comm-open message on the "jupyter.widget.control" comm channel is received

has_trait(name)

Returns True if the object has a trait with the specified name.

hold_sync()

Hold syncing any state until the outermost context manager exits

hold_trait_notifications()

Context manager for bundling trait change notifications and cross validation.

notify_change(change)

Called when a property has changed.

observe(handler[, names, type])

Setup a handler to be called when a trait changes.

on_msg(callback[, remove])

(Un)Register a custom msg receive callback.

on_trait_change([handler, name, remove])

DEPRECATED: Setup a handler to be called when a trait changes.

on_widget_constructed(callback)

Registers a callback to be called when a widget is constructed.

open()

Open a comm to the frontend if one isn't already open.

remove_class(className)

Removes a class from the top level element of the widget.

send(content[, buffers])

Sends a custom msg to the widget model in the front-end.

send_state([key])

Sends the widget state, or a piece of it, to the front-end, if it exists.

set_state(sync_data)

Called when a state is received from the front-end.

set_trait(name, value)

Forcibly sets trait attribute, including read-only attributes.

setup_instance(**kwargs)

This is called before self.__init__ is called.

trait_defaults(*names, **metadata)

Return a trait's default value or a dictionary of them

trait_events([name])

Get a dict of all the event handlers of this class.

trait_has_value(name)

Returns True if the specified trait has a value.

trait_metadata(traitname, key[, default])

Get metadata values for trait by key.

trait_names(**metadata)

Get a list of all the names of this class' traits.

trait_values(**metadata)

A dict of trait names and their values.

traits(**metadata)

Get a dict of all the traits of this class.

unobserve(handler[, names, type])

Remove a trait change handler.

unobserve_all([name])

Remove trait change handlers of any type for the specified name.

Attributes

abc

The ABC notation to render.

chord_grid

Chord grid.

comm

A trait which allows any value.

cross_validation_lock

A contextmanager for running a block with our cross validation lock set to True.

debug_box

Add box outline around the widget.

debug_grid

Show grid lines.

debug_input

Show the ABC input as part of the widget.

foreground

Color of the music rendering.

hide

Hide the widget.

keys

The traits which are synced.

layout

An instance trait which coerces a dict to an instance.

line_thickness_increase

Increase in line thickness.

log

A trait whose value must be an instance of a specified class.

logo

Show the abcjs logo at the top left.

model_id

Gets the model id of this widget.

responsive

Whether the rendering should be responsive to container width (up to staff_width + some padding).

scale

Scaling factor for the music rendering.

staff_width

Width of the staff in pixels.

svgs

List of stored rendered SVG strings.

tabbable

Is widget tabbable?

tooltip

A tooltip caption.

transpose

Visual transpose in half steps.

widget_types

widgets