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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.)�
NULL_STYLE)�clsr r r �null� s z
Style.nullc C sf | � t�}d|_d|_||_||_d|_d|_d|_d|_ d|_
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|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.
Nr rw )�__new__r r5 r6 r. r/ r$ r% r3 r4 r2 rz r0 r1 )r| re rf �styler r r �
from_color� s*
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zStyle.from_colorc C sh | � t�}d|_d|_d|_d|_d|_d|_d|_d|_ t
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| |_|S )z�Create a new style with meta data.
Returns:
meta (Optional[Dict[str, Any]]): A dictionary of meta data. Defaults to None.
Nr rw )r~ r r5 r6 r. r/ r$ r% r3 r4 r r2 rz r0 r1 )r| rh r r r r � from_meta� s*
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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 (Optiona[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.
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<dictcomp>! s z Style.on.<locals>.<dictcomp>)�update�itemsr� )r| rh r� r r r �on s
zStyle.onr r rD rE rF rG rH rI rJ rK rL rM rN c C � | j S )z+Get a link id, used in ansi code for links.)r4 �r r r r �link_id2 � z
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not italicrJ rU z
not underline�� rm rW z not blinkrn rX z
not blink2ro rY z not reverserp r[ z not concealrq r] z
not strike� rr r_ znot underline2rs r` z not framert ra z not encircleru rb z not overliner� rg � �none)r6 �appendr$ rQ rO rS rU rW rX rY r[ r] r_ r` ra rb r. �namer/ r3 �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.)r1 r� r r r �__bool__e 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.
Args:
color_system (ColorSystem): Color system.
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str: String containing codes.
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�� zStyle._make_ansi_codesrs )�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 sV t |t�stS | j|jko*| j|jko*| j|jko*| j|jko*| j|jko*| j|jkS ri ) rj r �NotImplementedr. r/ r$ r% r3 r2 )r r� r r r �__eq__� s
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�z Style.__eq__c C r� ri )r0 r� r r r �__hash__� s zStyle.__hash__c C r� )z.The foreground color or None if it is not set.)r. r� r r r re � r� z Style.colorc C r� )z.The background color or None if it is not set.)r/ r� r r r rf � r� z
Style.bgcolorc C r� )zLink text, if set.)r3 r� r r r rg � r� z
Style.linkc C s | j du p| j jS )z6Check if the style specified a transparent background.N)rf �
is_defaultr� r r r �transparent_background� s z Style.transparent_backgroundc C s t | jd�S )z A Style with background only.)rf )r rf 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)r2 r r rx r r r� r r r rh � s &z
Style.metac C st | j rtS | �t�}d|_d|_d|_d|_| j|_| j |_ | j
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d|_ d|_|S )z+Get a copy of the style with color removed.Nr rv rw F�r1 r{ r~ r r5 r6 r. r/ r% r$ r3 r r4 r0 r2 �r r r r r �
without_color� s
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d|||d�|��} | S )a Parse a style definition.
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style_definition (str): A string containing a style.
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errors.StyleSyntaxError: If the style definition syntax is invalid.
Returns:
`Style`: A Style instance.
r� Nr� rw zcolor expected after 'on'zunable to parse z as background color; �notz,expected style attribute after 'not', found Frg zURL expected after 'link'Tz as color; )re rf rg r )r� r} �STYLE_ATTRIBUTES�iter�splitr� �nextr r� r rk 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� re rf rY rO �foreground_color�
get_truecolorr � from_tripletr �background_color�hexrQ rS rU r] rb r� )r r� �cssr� re rf r� � theme_colorr r r �get_html_styleB s>
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zStyle.get_html_style�stylesc C � t |�}t|t|��S )z�Combine styles and get result.
Args:
styles (Iterable[Style]): Styles to combine.
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Style: A new style instance.
�r� ry r� �r| r� � iter_stylesr r r �combineg �
z
Style.combinec G r� )z�Combine styles from positional argument in to a single style.
Args:
*styles (Iterable[Style]): Styles to combine.
Returns:
Style: A new style instance.
r� r� r r r �chaint r� z Style.chainc C s~ | j rtS | �t�}| j|_| j|_| j|_| j|_| j|_| j |_ | j
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d|_ | j|_|S )zwGet a copy of this style.
Returns:
Style: A new Style instance with identical attributes.
r rv rw Fr� r� r r r �copy� s
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Style.copyc C sp | � t�}| j|_| j|_| j|_| j|_| j|_| j|_||_|r(t dd�� nd|_
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|S )z�Get a copy with a different value for link.
Args:
link (str, optional): New value for link. Defaults to None.
Returns:
Style: A new Style instance.
r rv rw F)r~ r r5 r6 r. r/ r% r$ r3 r r4 r0 r1 r2 )r rg r r r r � update_link� s
zStyle.update_linkrw F)r� �legacy_windows�textr� c C s^ |r|du r|S | � |�}|rd|� d|� d�n|}| jr-|s-d| 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;;\)r� r3 r4 )r r� r� r� �attrs�renderedr 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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Style.testc C s� t |t�s |d u s tS |d u s|jr| S | jr|S | �t�}d |_d |_|jp)| j|_|jp0| j|_| j |j
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default_styler r Nc C s |g| _ d S ri �r� )r r� r r r r � s zStyleStack.__init__c C s d| j �d�S )Nz <stylestack �>r� r� r r r �__repr__� r! zStyleStack.__repr__c C s
| j d S )z&Get the Style at the top of the stack.���r� r� r r r �current� s
zStyleStack.currentr c C s | j �| j d | � dS )z}Push a new style on to the stack.
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style (Style): New style to combine with current style.
r� N)r� r� r� r r r �push s zStyleStack.pushc C s | j �� | j d S )z}Pop last style and discard.
Returns:
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