HorizontalBracketSpanner

class spannertools.HorizontalBracketSpanner(overrides=None, markup=None)

Horizontal bracket spanner.

>>> voice = Voice("c'4 d'4 e'4 f'4")
>>> voice.consists_commands.append('Horizontal_bracket_engraver')
>>> spanner = spannertools.HorizontalBracketSpanner()
>>> attach(spanner, voice[:])
>>> show(voice) 

Formats LilyPond \startGroup command on first leaf in spanner.

Formats LilyPond \stopGroup command on last leaf in spanner.

Lineage

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Bases

Attribute summary

components Gets components in spanner.
markup Gets horizonal bracket spanner markup.
name Gets spanner name.
overrides Gets overrides.
__contains__(argument) Is true when spanner contains argument.
__copy__(*arguments) Copies spanner.
__eq__(argument) Is true when ID of argument equals ID of Abjad object.
__format__([format_specification]) Formats Abjad object.
__getitem__(argument) Gets item or slice identified by argument.
__hash__() Hashes Abjad object.
__len__() Gets number of components in spanner.
__lt__(argument) Is true when spanner is less than argument.
__ne__(argument) Is true when Abjad object does not equal argument.
__repr__() Gets interpreter representation of Abjad object.

Read-only properties

(Spanner).components

Gets components in spanner.

Returns selection.

HorizontalBracketSpanner.markup

Gets horizonal bracket spanner markup.

Gets markup:

>>> markup = Markup('3-1[012]').smaller()
>>> spanner = spannertools.HorizontalBracketSpanner(
...     markup=markup,
...     )
>>> spanner.markup
Markup(contents=[MarkupCommand('smaller', '3-1[012]')])

Defaults to none:

>>> spanner = spannertools.HorizontalBracketSpanner()
>>> spanner.markup is None
True

Set to markup or none.

Returns markup or none.

(Spanner).name

Gets spanner name.

Returns string.

(Spanner).overrides

Gets overrides.

Returns dict.

Special methods

(Spanner).__contains__(argument)

Is true when spanner contains argument. Otherwise false.

Returns true or false.

(Spanner).__copy__(*arguments)

Copies spanner.

Does not copy spanner components.

Returns new spanner.

(AbjadObject).__eq__(argument)

Is true when ID of argument equals ID of Abjad object. Otherwise false.

Returns true or false.

(AbjadObject).__format__(format_specification='')

Formats Abjad object.

Set format_specification to ‘’ or ‘storage’. Interprets ‘’ equal to ‘storage’.

Returns string.

(Spanner).__getitem__(argument)

Gets item or slice identified by argument.

Returns component.

(AbjadObject).__hash__()

Hashes Abjad object.

Required to be explicitly redefined on Python 3 if __eq__ changes.

Returns integer.

(Spanner).__len__()

Gets number of components in spanner.

Returns nonnegative integer.

(Spanner).__lt__(argument)

Is true when spanner is less than argument. Otherwise false.

Trivial comparison to allow doctests to work.

Returns true or false.

(AbjadObject).__ne__(argument)

Is true when Abjad object does not equal argument. Otherwise false.

Returns true or false.

(AbjadObject).__repr__()

Gets interpreter representation of Abjad object.

Returns string.