o
    h                     @   s   d dl Z d dlmZ d dlZd dlmZ d dlmZ d dlm	Z	 d dl
mZmZ d dlmZ d dlmZ d d	lmZ d
d Zdd ZG dd deZdS )    N)BytesIO)settings)ValidationError)FileExtensionValidator)	FileField
ImageField)	FileInput)filesizeformat)gettext_lazyc                   C   s   t tdg dS )NWAGTAILIMAGES_EXTENSIONS)avifgifjpgjpegpngwebp)getattrr    r   r   U/var/www/html/ndineBlogger/venv/lib/python3.10/site-packages/wagtail/images/fields.pyget_allowed_image_extensions   s
   r   c                 C   s   t t | S )N)r   r   )valuer   r   r   ImageFileExtensionValidator   s   r   c                       sN   e Zd ZegZ fddZdd Zdd Zdd Zd	d
 Z	 fddZ
  ZS )WagtailImageFieldc                    s   t  | _t j|i | ttdd| _ttdd| _t| j| _	d
| j | _| jd ur<td| j| j	d | _n
tdd	| ji | _td
d	| ji | jd< td| jd< td| jd< td| jd< tdd| j	i | jd< d S )NWAGTAILIMAGES_MAX_UPLOAD_SIZEi   WAGTAILIMAGES_MAX_IMAGE_PIXELSi  z, zPSupported formats: %(supported_formats)s. Maximum filesize: %(max_upload_size)s.)supported_formatsmax_upload_sizez)Supported formats: %(supported_formats)s.r   zGNot a supported image format. Supported formats: %(supported_formats)s.invalid_image_extensionzaNot a valid .%(extension)s image. The extension does not match the file format (%(image_format)s)invalid_image_known_formatzHThis file is too big (%(file_size)s). Maximum filesize %(max_filesize)s.file_too_largezTThis file has too many pixels (%(num_pixels)s). Maximum pixels %(max_pixels_count)s.file_too_many_pixelsz8This file is too big. Maximum filesize %(max_filesize)s.max_filesizefile_too_large_unknown_size)r   allowed_image_extensionssuper__init__r   r   r   max_image_pixelsr	   max_upload_size_textjoinuppersupported_formats_text_	help_texterror_messages)selfargskwargs	__class__r   r   r%   #   sP   




zWagtailImageField.__init__c                 C   sv   t j|jd  dd  }|| jvrt| jd dd|dkr#d}||jj	kr9t| jd ||jj	d ddd S )N   r   coder   r   r   )	extensionimage_format)
ospathsplitextnamelowerr#   r   r-   imageformat_name)r.   fr6   r   r   r   check_image_file_formatW   s    
z)WagtailImageField.check_image_file_formatc                 C   sB   | j d u rd S |j| j krt| jd t|j| jd ddd S )Nr   )	file_sizer!   r4   )r   sizer   r-   r	   r'   )r.   r?   r   r   r   check_image_file_sizem   s   
z'WagtailImageField.check_image_file_sizec                 C   s^   | j d u rd S |j \}}|j }|| | }|| j kr-t| jd || j d ddd S )Nr    )
num_pixelsmax_pixels_countr4   )r&   r=   get_sizeget_frame_countr   r-   )r.   r?   widthheightframesrD   r   r   r   check_image_pixel_size}   s   



z(WagtailImageField.check_image_pixel_sizec              
   C   s   t | |}|du rdS t|dr|}nt|dr t| }nt|d }ztj||_|jj	|_
W n tyJ } z
t| jd dd|d}~ww t|drZt|jrZ|d |durm| | | | | | |S )	a  
        Check that the file-upload field data contains a valid image (GIF, JPG,
        PNG, etc. -- whatever Willow supports). Overridden from ImageField to use
        Willow instead of Pillow as the image library in order to enable SVG support.
        Ntemporary_file_pathreadcontentinvalid_imager4   seekr   )r   	to_pythonhasattrr   rM   willowImageopenr=   	mime_typecontent_type	Exceptionr   r-   callablerP   rC   r@   rK   )r.   datar?   fileexcr   r   r   rQ      s6   





zWagtailImageField.to_pythonc                    sD   t  |}t|tr d|jvr |ddkr d| jv r d|d< |S )Nacceptzimage/*heiczimage/*, image/heic)r$   widget_attrs
isinstancer   attrsgetr#   )r.   widgetra   r1   r   r   r_      s   

zWagtailImageField.widget_attrs)__name__
__module____qualname__r   default_validatorsr%   r@   rC   rK   rQ   r_   __classcell__r   r   r1   r   r       s    4,r   )r8   ior   rS   django.confr   django.core.exceptionsr   django.core.validatorsr   django.forms.fieldsr   r   django.forms.widgetsr   django.template.defaultfiltersr	   django.utils.translationr
   r+   r   r   r   r   r   r   r   <module>   s    
