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A terminal style consists of a color (`color`), a background color (`bgcolor`), and a number of attributes, such
as bold, italic etc. The attributes have 3 states: they can either be on
(``True``), off (``False``), or not set (``None``).
Args:
color (Union[Color, str], optional): Color of terminal text. Defaults to None.
bgcolor (Union[Color, str], optional): Color of terminal background. Defaults to None.
bold (bool, optional): Enable bold text. Defaults to None.
dim (bool, optional): Enable dim text. Defaults to None.
italic (bool, optional): Enable italic text. Defaults to None.
underline (bool, optional): Enable underlined text. Defaults to None.
blink (bool, optional): Enabled blinking text. Defaults to None.
blink2 (bool, optional): Enable fast blinking text. Defaults to None.
reverse (bool, optional): Enabled reverse text. Defaults to None.
conceal (bool, optional): Enable concealed text. Defaults to None.
strike (bool, optional): Enable strikethrough text. Defaults to None.
underline2 (bool, optional): Enable doubly underlined text. Defaults to None.
frame (bool, optional): Enable framed text. Defaults to None.
encircle (bool, optional): Enable encircled text. Defaults to None.
overline (bool, optional): Enable overlined text. Defaults to None.
link (str, link): Link URL. Defaults to None.
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��� � zStyle.__init__r% c C s t S )zCCreate an 'null' style, equivalent to Style(), but more performant.)�
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|p#| |_ d|_ |S )a Create a new style with colors and no attributes.
Returns:
color (Optional[Color]): A (foreground) color, or None for no color. Defaults to None.
bgcolor (Optional[Color]): A (background) color, or None for no color. Defaults to None.
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Returns:
meta (Optional[Dict[str, Any]]): A dictionary of meta data. Defaults to None.
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zStyle.from_meta�handlersc K s2 |du ri n|}|� dd� |�� D �� | �|�S )a� Create a blank style with meta information.
Example:
style = Style.on(click=self.on_click)
Args:
meta (Optional[Dict[str, Any]], optional): An optional dict of meta information.
**handlers (Any): Keyword arguments are translated in to handlers.
Returns:
Style: A Style with meta information attached.
Nc S s i | ]
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<dictcomp> s z Style.on.<locals>.<dictcomp>)�update�itemsr� )r| rg r� r' r' r( �on s
zStyle.onr r rC rD rE rF rG rH rI rJ rK rL rM c C � | j S )z+Get a link id, used in ansi code for links.)r7 �r& r' r' r( �link_id! � z
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not blink2rn rX z not reversero rZ z not concealrp r\ z
not strike� rq r^ znot underline2rr r_ z not framers r` z not encirclert ra z not overliner� rf � �none)r9 �appendr rP rN rR rT rV rW rX rZ r\ r^ r_ r` ra r �namer r �join)r& �
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Style.__str__c C s | j S )z;A Style is false if it has no attributes, colors, or links.)r6 r� r' r' r( �__bool__T s zStyle.__bool__� color_systemc C s0 | j du r�g }|j}| j}| j| j@ }|rm|d@ r ||d � |d@ r)||d � |d@ r3||d � |d@ r=||d � |d@ rUtdd �D ]}|d|> @ rT||| � qF|d
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�� d� |�| _ | j S )z�Generate ANSI codes for this style.
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str: String containing codes.
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�� zStyle._make_ansi_codesrr )�maxsizer c C s2 zt | �|��W S tjy |�� �� Y S w )z�Normalize a style definition so that styles with the same effect have the same string
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str: Normal form of style definition.
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__rich_repr__� s& ��zStyle.__rich_repr__�otherc C s t |t�stS | �� |�� kS rh �ri r �NotImplemented�__hash__�r& r� r' r' r( �__eq__� �
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zStyle.__hash__c C r� )z.The foreground color or None if it is not set.)r r� r' r' r( rd � r� z Style.colorc C r� )z.The background color or None if it is not set.)r r� r' r' r( re � r� z
Style.bgcolorc C r� )zLink text, if set.)r r� r' r' r( rf � r� z
Style.linkc C s | j du p| j jS )z6Check if the style specified a transparent background.N)re Z
is_defaultr� r' r' r( �transparent_background� s z Style.transparent_backgroundc C s t | jd�S )z A Style with background only.)re )r re r� r' r' r( �background_style� s zStyle.background_stylec C s& | j du ri S ttttf t| j ��S )z=Get meta information (can not be changed after construction).N)r r r rv r r r� r' r' r( rg � s &z
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d|||d�|��} | S )a Parse a style definition.
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Returns:
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r� Nr� ru zcolor expected after 'on'zunable to parse z as background color; �notz,expected style attribute after 'not', found Frf zURL expected after 'link'Tz as color; )rd re rf r' )r� r} �STYLE_ATTRIBUTES�iter�splitr� rx r r� r rj r �getr )
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�|�S )zGet a CSS style rule.Ng �?zcolor: ztext-decoration-color: Fr� zbackground-color: zfont-weight: boldzfont-style: italicztext-decoration: underlinez text-decoration: line-throughztext-decoration: overlinez; )r r� rd re rX rN �foreground_colorZ
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zStyle.get_html_style�stylesc C � t |�}t|t|��S )z�Combine styles and get result.
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styles (Iterable[Style]): Styles to combine.
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�r� rw rx �r| r� Z iter_stylesr' r' r( �combineX �
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Style.combinec G r� )z�Combine styles from positional argument in to a single style.
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*styles (Iterable[Style]): Styles to combine.
Returns:
Style: A new style instance.
r� r� r' r' r( �chaine r� z Style.chainc C s| | j rtS | �t�}| j|_| j|_| j|_| j|_| j|_| j |_ | j
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| j|_d|_ | j|_|S )zwGet a copy of this style.
Returns:
Style: A new Style instance with identical attributes.
ru F)r6 r{ r~ r r8 r9 r r r r r rx ry r7 r5 r r� r' r' r( �copyr s
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Style.copyro c C sf | j rtS | �t�}| j|_| j|_| j|_| j|_| j|_| j |_ d|_
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Returns:
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Nru F)r6 r{ r~ r r8 r9 r r r r r r7 r5 r r� r' r' r( �clear_meta_and_links� s
zStyle.clear_meta_and_linksc C sl | � t�}| j|_| j|_| j|_| j|_| j|_| j|_||_|r't t
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Returns:
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ru NF)r~ r r8 r9 r r r r r rx ry r7 r5 r6 r )r& rf r r' r' r( � update_link� s
zStyle.update_linkru F)r� �legacy_windows�textr� c C sd |r|du r|S | j p| �|�}|rd|� d|� d�n|}| jr0|s0d| j� d| j� d|� d�}|S ) aD Render the ANSI codes for the style.
Args:
text (str, optional): A string to style. Defaults to "".
color_system (Optional[ColorSystem], optional): Color system to render to. Defaults to ColorSystem.TRUECOLOR.
Returns:
str: A string containing ANSI style codes.
Nz[�mz[0mz]8;id=r� z\z]8;;\)r8 r� r r7 )r& r� r� r� �attrsZrenderedr' r' r( �render� s
�z Style.renderc C s( |pt | �}tj�| �|�� d�� dS )z�Write text with style directly to terminal.
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zStyleStack.currentr c C s | j �| j d | � dS )z}Push a new style on to the stack.
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r� N)r� r� r� r' r' r( �push
s zStyleStack.pushc C s | j �� | j d S )z}Pop last style and discard.
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r� )r� �popr� r' r' r( r� s
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