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A terminal style consists of a color (`color`), a background color (`bgcolor`), and a number of attributes, such
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(``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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isinstancer parse)rd r r r _make_color s z#Style.__init__.._make_colorrC rE rI @ r r ?B )r4 r5 r r strr- r. sumr# r$ r2 r r3 r r1 r/ r0 )r rd re rO rN rP rQ rR rS rT rU rV rW rX rY rZ rf rg rk r r r r z sZ
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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
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|pF| |_ 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.
Nr rv )
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meta (Optional[Dict[str, Any]]): A dictionary of meta data. Defaults to None.
Nr rv )r} r r4 r5 r- r. r# r$ r2 r3 r r1 r/ r0 )r{ rg r~ r r r from_meta s
zStyle.from_meta)rg handlersr c K s2 |dkr i 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 | ]\}}d | |qS )@r ).0keyvaluer r r
s z Style.on..)updateitemsr )r{ rg r r r r on s zStyle.onr r rC rD rE rF rG rH rI rJ rK rL rM c C s | j S )z+Get a link id, used in ansi code for links.)r3 r r r r link_id s z
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r\d$nd% |d&@ r|| jrzd'nd( |d)@ r|| jrd*nd+ | jdk r|| jj | jdk r|d, || jj | jr|d- || j d.|pd/| _ | j S )0z-Re-generate style definition from attributes.N r rO znot boldrC rN znot dimrE rP z
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not strike rq rW znot underline2rr rX z not framers rY z not encirclert rZ z not overliner rf none)r5 appendr# rO rN rP rQ rR rS rT rU rV rW rX rY rZ r- namer. r2 join)r
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Style.__str__c C s | j S )z;A Style is false if it has no attributes, colors, or links.)r0 r r r r __bool__I s zStyle.__bool__) color_systemr c C s4 | j dkr.g }|j}| j}| j| j@ }|r|d@ r@||d |d@ rT||d |d@ rh||d |d@ r|||d |d@ rtdd D ] }|d|> @ r||| q|d
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d || _ | j S )zGenerate ANSI codes for this style.
Args:
color_system (ColorSystem): Color system.
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str: String containing codes.
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zStyle._make_ansi_codesrr )maxsizer~ r c C s8 zt | |W S tjk
r2 | Y S X dS )zNormalize a style definition so that styles with the same effect have the same string
representation.
Args:
style (str): A style definition.
Returns:
str: Normal form of style definition.
N)rw rj r StyleSyntaxErrorstriplower)r{ r~ r r r normalizex s zStyle.normalize)valuesr c G s& |D ]}|dk r| S qt ddS )zPick first non-None style.Nz$expected at least one non-None style)
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zStyle.pick_firstc c s d| j d fV d| jd fV d| jd fV d| jd fV d| jd fV d| jd fV d| jd fV d| jd fV d | jd fV d
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__rich_repr__ s" zStyle.__rich_repr__)otherr c C s t |tstS | | kS rh ri r NotImplemented__hash__r r r r r __eq__ s
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z Style.__ne__c C s8 | j d k r| j S t| j| j| j| j| j| jf| _ | j S rh )r/ hashr- r. r$ r# r2 r1 r r r r r s
zStyle.__hash__c C s | j S )z.The foreground color or None if it is not set.)r- r r r r rd s z Style.colorc C s | j S )z.The background color or None if it is not set.)r. r r r r re s z
Style.bgcolorc C s | j S )zLink text, if set.)r2 r r r r rf s z
Style.linkc C s | j dkp| j jS )z6Check if the style specified a transparent background.N)re
is_defaultr r r r transparent_background s z Style.transparent_backgroundc C s t | jdS )z A Style with background only.)re )r re r r r r background_style s zStyle.background_stylec C s& | j dkri S ttttf t| j S )z=Get meta information (can not be changed after construction).N)r1 r
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without_color s
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f |||d|} | S )a Parse a style definition.
Args:
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 rv 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| STYLE_ATTRIBUTESitersplitr nextr r r rj r getr )
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zStyle.get_html_style)stylesr c C s t |}t|t|S )zCombine styles and get result.
Args:
styles (Iterable[Style]): Styles to combine.
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Style: A new style instance.
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Style.combinec G s t |}t|t|S )zCombine 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 chainc s
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Returns:
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r ru rv F)r0 rz r} r r4 r5 r- r. r$ r# r2 r r3 r/ r1 r r r r copyp s
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Style.copy)rf r c C sn | t}| j|_| j|_| j|_| j|_| j|_| j|_||_|rPt dd nd|_
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Args:
link (str, optional): New value for link. Defaults to None.
Returns:
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r ru rv NF)r} r r4 r5 r- r. r$ r# r2 r r3 r/ r0 r1 )r rf r~ r r r update_link s
zStyle.update_linkrv F)r legacy_windows)textr r r c C sd |r |dkr|S | j p | |}|r6d| d| dn|}| 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;;\)r4 r r2 r3 )r r r r attrsrenderedr r r render s
z Style.render)r r c C s( |p
t | }tj| | d dS )zWrite text with style directly to terminal.
This method is for testing purposes only.
Args:
text (Optional[str], optional): Text to style or None for style name.
N)rw sysstdoutwriter )r r r r r test s z
Style.testc C s |d ks|j r| S | j r |S | t}d |_d |_|jp<| j|_|jpJ| j|_| j|j @ |j|j@ B |_| j|jB |_|j p| j |_ |j
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r __annotations__r+ r, bytesr* r r r rw r r r classmethodr| r r r r rO rN rP rQ rR rS rT rU rV rW rX rY rZ propertyr r r r r r r StyleTyper r r r r r rd re rf r r rg r rj r r r r r r r TRUECOLORr r r r r r r r r sZ
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default_styler c C s |g| _ d S rh r )r r r r r r s zStyleStack.__init__ry c C s d| j dS )Nz r r r r r __repr__ s 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.
Args:
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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r )r popr r r r r s
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