
    BPc                         d Z ddlZddlZddlmZ ddlmZ ddlmZ ddl	Z	ddl
mZmZ  G d de	j                  Zed	k    r e                                             dS dS )
z
Extract embedded images.
    N)Path)Iterable)decodebytes)inkex_gettextinkex_ngettextc                   ^     e Zd ZdZd Z fdZddZd Zd Ze	d             Z
d	 Zd
 Z xZS )ExtractImagez$Extract images and save to filenamesc                 &   |                     ddt          j        dd           |                     ddt          j        dd           |                     d	d
d           |                     ddd           |                     ddd           d S )Nz-sz--selectedonlyzExtract only selected imagesT)typehelpdefaultz-lz--linkextractedz%Replace image data with link to imagez--directoryz	./images/zLocation to save the images. If the directory starts with ./, the filename is interpreted relative to the location of the opened file.)r   r   z
--basename zOptional file name prefix.z
--filepathzMPath to a new file. If given, --basename and --directory options are ignored.)add_argumentinkexBoolean)selfparss     //usr/share/inkscape/extensions/image_extract.pyadd_argumentszExtractImage.add_arguments&   s    / 	 	
 	
 	
 	8 	 	
 	
 	
 	; 	 	
 	
 	
 	,9UVVV# 	 	
 	
 	
 	
 	
    c                 V    t                                                       d| _        d S )Nr   )super__init__errcount)r   	__class__s    r   r   zExtractImage.__init__D   s$    r   Tc                     t          j        |                                dz   |z              |r| xj        dz  c_        dS dS )zWrite an error messagez:    N)r   errormsgget_idr   )r   elemmessageerrors       r   r!   zExtractImage.messageH   sJ    t{{}}t+g5666 	MMQMMMM	 	r   c                    d| _         | j        j        r)| j        j                            t          j                  n| j                            d          }t          |          dk    rd S | 
                                \  }}d}t          |          D ]\  }}|                     |          \  }}|!|}	|	                                dk    r|                                }	nt          |          dk    r	 dt          |                              t#          t%          j        t          |                              dz             z   }
t(          j                            t(          j                            ||	|
z   |z                       r|dz  }n|	|
z   }	nt(          j                            ||	|z             }|                     |||          rc| j        j        rR|                    dt7          t(          j                            |                                                               |dz  }| j         dk    rBt          j        t?          dd	| j                                        | j                              d S d S )
Nr   z//svg:imager   r   T_
xlink:hrefz{} error occurredz{} errors occurred.)!r   optionsselectedonlysvg	selectionfilterr   Imagexpathlenprocess_options	enumeratepreparestripr   strrjustintmathlog10ospathisfilejoin
save_imagelinkextractedsetr   realpathas_urir   ngettextformat)r   elemsfilename	directorycounter__r    datafile_extcnamesuffixpathwexts               r   effectzExtractImage.effectN   s[    |(/DH%%ek222.. 	
 u::??F"2244)!%(( 	 	HB!\\$//ND(| E{{}}""Ua 3w<<#5#5c$*SZZ:P:P6Q6QTU6U#V#VVFw~~Y0IJJ    1 % w||Iux/?@@HtT844  <- VHH\40@0@0J0J+K+K+R+R+T+TUUU1=1N')> &''     r   c                    | j         j                                        dk    rOt          j                            | j         j                  \  }}t          j                            |          \  }}n]| j         j                                        dk    r;| j         j        }t          j                            | j         j                  d         }| 	                    |          }	 t          j
        |d           nB# t          $ r5 t          j        t          d                              |                    w xY w||fS )zEPrepare directory and base filename, independent of particular imagesr   r   T)exist_okzUnable to create directory {}.)r&   filepathr1   r7   r8   splitsplitextrD   basenameabsolute_hrefmakedirsOSErrorr   AbortExtensionr$   rA   )r   rD   rC   rF   s       r   r.   zExtractImage.process_options   s(    < &&((B.."$'--0E"F"FIx7++H55LHbb\#))++r11 .Iw''(=>>qAH &&y11		K	D11111 	 	 	&233::9EE  	
 ""s   %C< <?D;c                     |                      dd          d                              d          d         }ddddd	                    ||          z   S )
zBReturn a file extension (incl. leading dot) based on the mime type/r   +r   .r(   jpgico)zsvg+xmljpegicon)rP   get)mimeparts     r   mime_to_extzExtractImage.mime_to_ext   s^     zz#q!!!$**3//2	
 

 #dD// 	r   c                 @   |                     d          }|                    d          s%|                     |t          d                     dS 	 |dd         }|                    dd          \  }}|                    d	d          \  }}|                     |          }n;# t          t          f$ r' |                     |t          d
                     Y dS w xY w|dk    r8|                     |t          d                              |                     dS ||fS )z*Check if we can process the data attributer%   zdata:z4Unable to extract image, is it maybe already linked?)NN   N;r   ,zInvalid image format found.base64zUnable to decode encoding {}.)	r_   
startswithr!   r$   rP   rb   
ValueError
IndexErrorrA   )r   nodexlinkrG   mimetypebaserH   s          r   r0   zExtractImage.prepare   s5   &&(( 	LLaNOO   :	9D#zz#q11Xt::c1--LT4''11HHJ' 	 	 	LLq!>??@@@::	 8LLq!@AAHHNNOOO:X~s   AB# #4CCc                 |   t           j                            |          r8|                     |t	          d                              |                     dS 	 t          |d          5 }|                    t          |	                    d                               ddd           n# 1 swxY w Y   nN# t          t          f$ r: |                     |t	          d                              |                     Y dS w xY w|                     |t	          d                              |          d           dS )	zxSave the image contained in the base64-encoded string data to pathwext.

        Returns whether the operation succeded.z0Unable to extract image, file {} already exists.Fwbzutf-8NzUnable to write to {}zImage extracted to: {}T)r7   r8   r9   r!   r$   rA   openwriter   encoderU   ri   )r   rk   rG   rK   fhls        r   r;   zExtractImage.save_image   sh   
 7>>(## 	LLDEELLXVV   5	h%% =		+dkk'&:&:;;<<<= = = = = = = = = = = = = = =$ 	 	 	LLq!899@@JJKKK55	 	T1566==hGGOOOts7   B7 )6B+B7 +B//B7 2B/3B7 7ADD)T)__name__
__module____qualname____doc__r   r   r!   rL   r.   staticmethodrb   r0   r;   __classcell__)r   s   @r   r	   r	   #   s        ..
 
 
<       1 1 1f# # #. 	 	 \	  0      r   r	   __main__)rx   r5   r7   pathlibr   typingr   rg   r   r   inkex.localizationr   r$   r   r@   EffectExtensionr	   ru   run r   r   <module>r      s   *   				                    M M M M M M M Mn n n n n5( n n nb zLNN r   