o
    }si                     @   s  d dl Z d dlZd dlZd dlZd dlZd dlZd dlmZ dZdddZ	de
fdd	Zd
e
deddfddZdee fddZd'ddZde
fddZde
fddZd(de
de
de
fddZd)de
de
defddZ		d*dd de
ded!edef
d"d#Zd(d$ede
defd%d&ZdS )+    N)current_appz0http://api.labelary.com/v1/printers/8dpmm/labelsz	2.17x1.26z	3.94x5.91)smalllargereturnc                  C   s$   t jtjdd} t j| dd | S )z@Return (and create) the directory where preview PNGs are stored.staticlabel_previewsT)exist_ok)ospathjoinr   	root_pathmakedirs)r
    r   7/var/www/warehouse.soldered.com/app/services/printer.py_preview_dir   s   r   png_b64metac                 C   s   t t d  dt jdd  }t }ttj	||d d}|
t|  W d   n1 s6w   Y  ttj	||d d}td	|d i|| W d   dS 1 s_w   Y  dS )
z>Write one label PNG + a sidecar JSON to the preview directory.i  _N   z.pngwb.jsonwfile)inttimeuuiduuid4hexr   openr	   r
   r   writebase64	b64decodejsondump)r   r   namedfr   r   r   save_preview_label   s   ("r'   c               	   C   s   t  } g }t| D ]?}|dsq
z.ttj| |}t|}W d   n1 s,w   Y  d|d  |d< |	| W q
 t
yI   Y q
w |jdd d |S )	z?Return all saved labels (sorted oldest-first) with static URLs.r   Nz/static/label_previews/r   urlc                 S   s   |  ddS )Nr    )get)xr   r   r   <lambda>3   s    z%list_preview_labels.<locals>.<lambda>)key)r   r	   listdirendswithr   r
   r   r"   loadappend	Exceptionsort)r%   itemsfnamer&   r   r   r   r   list_preview_labels%   s    
r6   c               	   C   sD   t  } t| D ]}zttj| | W q ty   Y qw dS )z*Delete all files in the preview directory.N)r   r	   r.   remover
   r   r2   )r%   r5   r   r   r   clear_preview_labels7   s   r8   c                   C   s   t jdpd S )N
PRINT_MODEapi)r   configr*   lowerr   r   r   r   _modeD   s   r=   c                  C   sD   t jdpd } t jdpd }| stdd|  d| S )NPRINT_API_HOSTr)   PRINT_API_PORT5001zPRINT_API_HOST not configuredzhttp://:)r   r;   r*   strip
ValueError)hostportr   r   r   _api_urlH   s
   rF   r   zplprinterc                 C   sX   t |t d }t d| d}tj|| dddddd	}|  t|j	
dS )
Nr   /z/0/utf-8z	image/pngz!application/x-www-form-urlencoded)AcceptContent-Type
   )dataheaderstimeout)_LABELARY_DIMSr*   _LABELARY_BASErequestspostencoderaise_for_statusr    	b64encodecontentdecode)rG   rH   dimsr(   respr   r   r   _render_zpl_to_png_b64P   s   r\   r   c                 C   s   t  }|dkrt| |d}t||dd dS ddi}tjd}|r*d	| |d
< tjt  d| |d|dd}|	  dS )Npreview)rH   rG   slottypeTrL   application/jsonPRINT_API_KEYBearer Authorization/printrG   rH   rM   r"   rO   rP   )
r=   r\   r'   r   r;   r*   rS   rT   rF   rV   )rG   rH   moder   rO   api_keyr[   r   r   r   	print_zpl]   s"   
rj   FimgzPIL.Image.Imagealso_previewc                 C   s   ddl m}m} t }|dks|r'|| }t||dd|pi  |dkr'dS || }ddi}	tjd	}
|
r>d
|
 |	d< tj	t
  d||d|	dd}|  dS )Nr   )image_to_zplimage_to_png_b64r]   labelr^   TrL   ra   rb   rc   rd   re   rf   rM   rg   )app.labels.renderrm   rn   r=   r'   r   r;   r*   rS   rT   rF   rV   )rk   rH   r   rl   rm   rn   rh   r   rG   rO   ri   r[   r   r   r   print_labelq   s2   
rq   	pdf_bytesc                 C   s   t  }|dkrtt| d|dd dS ddi}tjd}|r*d	| |d
< t| d}tj	t
  d||d|dd}|  dS )Nr]   rJ   pdfr^   TrL   ra   rb   rc   rd   z
/print-pdf)rs   rH      rg   )r=   r'   r    rW   rY   r   r;   r*   rS   rT   rF   rV   )rr   rH   rh   rO   ri   pdf_b64r[   r   r   r   	print_pdf   s(   
rv   )r   N)r   )r   )r   NF)r    r"   r	   r   r   rS   flaskr   rR   rQ   strr   dictr'   listr6   r8   r=   rF   r\   boolrj   rq   bytesrv   r   r   r   r   <module>   s:    


 