U
    Ñtœdz  ã                   @   sP   d dl mZmZ d dlmZ dZdZedœdd„Zdd	„ Zddd„Z	dd„ Z
dS )é    )Ú
FakeModuleÚPoint)ÚAny)Úfind_plotlyzrestructuredtext en)Úreturnc                  C   s.   zddl } W n tk
r(   tdƒ} Y nX | S )ztTries to import the ``plotly`` Python module if it is installed.
    Returns a fake module if everything fails.
    r   Nz4You need to install plotly to use this functionality)ÚplotlyÚImportErrorr   )r   © r	   úT/home/sam/Atlas/atlas_env/lib/python3.8/site-packages/igraph/drawing/plotly/utils.pyr      s
    r   c                 C   sX   t |d ttfƒr|g}n|}| › }|D ]*}|d |d  }}|d|› d|› �7 }q(|S )z"Format step in SVG path for plotlyr   é   ú ú,)Ú
isinstanceÚfloatÚint)ÚcodeZpoint_or_pointsZpointsÚstepÚpointÚxÚyr	   r	   r
   Úformat_path_step   s    r   éd   Fc                    sº   ddl ‰| \‰‰d|ˆ  ‰‡ ‡‡fdd„tˆ ƒD ƒ}‡‡‡fdd„|D ƒ}‡‡‡fdd„|D ƒ}	d|d › d	|	d › �}
td
t|ƒƒD ] }|
d|| › d	|	| › �7 }
qˆ|r¶|
d7 }
|
S )zlApproximation of an SVG-style arc

    NOTE: plotly does not currently support the native SVG "A/a" commandsr   Ng      ð?c                    s    g | ]}ˆˆ| ˆ d    ‘qS )r   r	   ©Ú.0Úi)ÚNÚdtÚtheta1r	   r
   Ú
<listcomp>,   s     zformat_arc.<locals>.<listcomp>c                    s   g | ]}ˆˆˆ   |¡  ‘qS r	   )Úcosr   )ÚmathÚradius_xÚxcr	   r
   r   -   s     c                    s   g | ]}ˆˆˆ   |¡  ‘qS r	   )Úsinr   )r    Úradius_yÚycr	   r
   r   .   s     zM z, r   ÚLz Z)r    ÚrangeÚlen)Úcenterr!   r$   r   Ztheta2r   ÚclosedÚtr   r   ÚpathÚkr	   )r   r   r    r!   r$   r   r"   r%   r
   Ú
format_arc$   s    r.   c              	   C   s¦   t | tƒr| S t | tƒr2| dkr(| d } | gd } td| d  ƒ}td| d  ƒ}td| d  ƒ}t| ƒdkr€td| d  ƒ}nd}d|› d|› d|› d|› d	�	}|S )
z+Format colors in a way understood by plotlyr   g     ào@é   éÿ   r   é   zrgba(r   ú))r   Ústrr   r   r(   )ÚcolorÚrÚgÚbÚaZcolstrr	   r	   r
   Úformat_rgba7   s    


r9   N)r   F)Zigraph.drawing.utilsr   r   Útypingr   Ú__all__Ú__docformat__r   r   r.   r9   r	   r	   r	   r
   Ú<module>   s   
