
    opjW                    p    d Z ddlmZ ddlZddlmZ ddlmZ  ej                  e	      Z
d	dZd
dZd
dZy)zUtility functions for the Abacus AI image generation provider.

Handles reference image URL conversion and output format detection.
    )annotationsN)Path)Optionalc                   t        | xs d      j                         } | sy| j                  d      r| S t        |       }|j	                         st
        j                  d|        y	 ddl}ddl}|j                         }|j                  |      j                  d      }|j                  t        |            d   xs d}d| d	| S # t        $ r!}t
        j                  d
| |       Y d}~yd}~ww xY w)zConvert a local file path or URL to an inline image URL part.

    Remote URLs pass through unchanged. Local files are read and inlined
    as ``data:`` URIs so the API request is self-contained.
     N)zhttp://zhttps://data:zreference image not found: %sr   asciiz	image/pngr   z;base64,z'failed to inline reference image %s: %s)strstrip
startswithr   existsloggerdebugbase64	mimetypes
read_bytes	b64encodedecode
guess_type	Exception)refpathr   r   datab64mimeexcs           2/root/.hermes/plugins/image_gen/abacus_ai/utils.pyto_image_url_partr      s     ciR.


 C
~~67
9D;;=4c:
 t$++G4##CI.q1@[tfHSE** >SIs   'A C 	C2C--C2c                j    ddl }|j                  d|       }|r|j                  d      nd}|dk(  rdS |S )u   Detect the image format from a ``data:`` URL and return a file extension.

    Examples:
        ``data:image/png;base64,...`` → ``png``
        ``data:image/jpeg;base64,...`` → ``jpg``
        ``data:image/webp;base64,...`` → ``webp``
    r   Nzdata:image/(\w+)   pngjpegjpg)rematchgroup)data_urlr$   r%   exts       r   detect_image_formatr)   -   s:     HH((3E!%++a.uC6M5*s*    c                8    d| v r| j                  dd      d   S | S )zBStrip the ``data:image/...;base64,`` prefix, returning raw base64.zbase64,r    )split)r'   s    r   strip_data_url_prefixr.   <   s%    H~~i+B//Or*   )r   r
   returnzOptional[str])r'   r
   r/   r
   )__doc__
__future__r   loggingpathlibr   typingr   	getLogger__name__r   r   r)   r.    r*   r   <module>r8      s9   
 #   			8	$<+r*   