
    v_i                     P    d Z ddlmZmZmZ ddlmZ ddlmZ dee	   dee	   fdZ
y)	z(Fuzzy deduplication for trending topics.    )ListDictSet)fuzz)FUZZY_THRESHOLDitemsreturnc                    | sg S g }| D ]  }|d   j                         j                         }d}|D ]  }|d   d   j                         j                         }t        j                  ||      }|t        k\  sG|d   j                  |       |d   j                  |d          |d   j                  |d          d	} n |r|j                  ||g|d   h|d   hd
        g }|D ]  }t        |d   d       }	t        t        |d               |	d<   t        |d         |	d<   t        t        |d               |	d<   |d   D 
ci c]  }
|
j                  d      s|
d   |
d    c}
|	d<   |j                  |	        |S c c}
w )aU  
    Deduplicate topics using fuzzy string matching.

    Groups similar topics together, keeping the highest-ranked instance
    as the representative while tracking all contributing sources.

    Args:
        items: List of trend item dictionaries

    Returns:
        Deduplicated list with 'sources' field showing all contributors
    
topic_nameFrepresentativememberssourcessourceregionsregionT)r   r   r   r   c                     | d   S )Nrank )xs    A/home/sietch6/trending-topics-pipeline/aggregator/deduplicator.py<lambda>z$deduplicate_topics.<locals>.<lambda><   s
    QvY     )keysource_counturlall_urls)lowerstripr   token_sort_ratior   appendaddminsortedlistlenget)r   clustersitemtopicmatchedcluster	rep_topicratioresultbestms              r   deduplicate_topicsr1   	   s    	 H \"((*002 	G 01,?EEGMMOI))%;E'	"))$/	"&&tH~6	"&&tH~6	 OO&* $v $X/ $X/	': F 79%+>? !gi&8!9:Y"79#56^ gi&8!9:Y+29+=
&'uAhK5!
Z 	d M
s   FFN)__doc__typingr   r   r   thefuzzr   configr   dictr1   r   r   r   <module>r7      s/    . " "  "?d4j ?T$Z ?r   