
    i                         d Z ddlZddlmZ ddlmZ ddlmZ ej                  rddl	m
Z
 ddlmZ dd	d
ddddZddgZdZdZ	 deddddfdZdddefdZy)zCrossref_ is the sustainable source of community-owned scholarly metadata and
is relied upon by thousands of systems across the research ecosystem and the
globe.

.. _Crossref: https://www.crossref.org/documentation/retrieve-metadata/

    N)	urlencode)datetime)EngineResults)SXNG_Response)OnlineParamszhttps://www.crossref.org/Q5188229z$https://api.crossref.org/swagger-ui/TFJSON)websitewikidata_idofficial_api_documentationuse_official_apirequire_api_keyresultssciencezscientific publicationszhttps://api.crossref.org/worksqueryparamsr   returnc                 N    | d|d   dz
  z  d}t          dt        |       |d<   y )N   pageno   )r   offset?url)
search_urlr   )r   r   argss      '/root/searxng/searx/engines/crossref.pyrequestr   '   s9    x(1,-D "l!IdO#45F5M    respr   c                 t  	 t               }| j                         }dt        dt        f	fd}|d   d   D ]  		d   dk(  rd}d}	d   d	k(  r[	d
   d   }	d   d   j                         j	                         |j                         j	                         k7  rN|d	d   d    dz  }n>d	v r	d   d   n	j                  d
d g      d   }d	v r	j                  d
d g      d   nd}|j                  j                  || |d       |d       |d       |d      	j                  d       |d       |d       |d      
      }|j                  |       d	v r!d	d   v rd	d   d   v r	d   d   d   |_	        d	v r%d	d   v rt        	d   d   d   ddgd d z    |_        	j                  dg       D cg c]*  }|j                  dd      dz   |j                  d d      z   , c}|_        	j                  d!      xs# 	j                  d"g       D cg c]  }|d#   	 c}|_         |S c c}w c c}w )$Nkr   c                 :    t        j                  | d            S )N )strget)r"   records    r   fieldzresponse.<locals>.field3   s    6::a$%%r   messageitemstype	componentr$   zbook-chapterzcontainer-titler   titlez ()abstractDOIpage	publishersubjectURLvolume)
r-   journalcontentdoipagesr2   tagsr+   r   r5   resourceprimary	publishedz
date-partsr      authorgiven familyisbnz	isbn-typevalue)r   jsonr%   lowerstripr&   typesPaperaddr   r   publishedDateauthorsrC   )
r    res	json_datar(   r-   r6   itemair'   s
            @r   responserR   /   s   
/C		I& & & I&w/ &\&>[( &>^+,-a0Egq!'')//1U[[]5H5H5JJ2fWoa0133*1V*;F7OA&L]`d_eAfghAiEBIVBSfjj!2TF;A>Y[Gyy*%e-K(I&ve?  
 	I
1C$CQWXbQcdmQnHnj))4U;DH& \VK5H%H!)F;,?,Ma,PTUWXSYZ\[\S],]!_DPVPZPZ[cegPhi1gr*S015523FFiJJv&[vzz+WY?Z*[!1W:*[	M&\V J j*[s   9/H0H5)__doc__typingturllib.parser   r   searx.result_typesr   TYPE_CHECKINGsearx.extended_typesr   searx.search.processorsr   about
categoriespagingr   r%   r   rR    r   r   <module>r_      s     "  ,??24 +"H	 23
	-
63 6 64 62? 2} 2r   