<s> from django import forms <EOL> from django . core . paginator import Paginator , Page <EOL> from elasticsearch import Elasticsearch <EOL> from elasticsearch_dsl import Search <EOL> from elasticsearch_dsl . result import Response <EOL> from elasticsearch_dsl . utils import AttrDict <EOL> from . import settings as es_settings <EOL> class DSEPaginator ( Paginator ) : <EOL> """<STR_LIT>""" <EOL> def __init__ ( self , * args , ** kwargs ) : <EOL> super ( DSEPaginator , self ) . __init__ ( * args , ** kwargs ) <EOL> self . _count = self . object_list . hits . total <EOL> def page ( self , number ) : <EOL> number = self . validate_number ( number ) <EOL> return Page ( self . object_list , number , self ) <EOL> class DSEResponse ( Response ) : <EOL> def __init__ ( self , d , page = None , page_size = None ) : <EOL> super ( DSEResponse , self ) . __init__ ( d ) <EOL> super ( AttrDict , self ) . __setattr__ ( '<STR_LIT>' , page ) <EOL> super ( AttrDict , self ) . __setattr__ ( '<STR_LIT>' , page_size ) <EOL> def __len__ ( self ) : <EOL> return len ( self . hits ) <EOL> @ property <EOL> def page ( self ) : <EOL> if not hasattr ( self , '<STR_LIT>' ) : <EOL> paginator = DSEPaginator ( self , self . _page_size ) <EOL> super ( AttrDict , self ) . __setattr__ ( '<STR_LIT>' , paginator . page ( self . _page_num ) ) <EOL> return self . _page <EOL> class ElasticsearchForm ( forms . Form ) : <EOL> def __init__ ( self , * args , ** kwargs ) : <EOL> self . query_params = kwargs . pop ( '<STR_LIT>' , { } ) . copy ( ) <EOL> self . es = kwargs . pop ( '<STR_LIT>' , None ) <EOL> super ( ElasticsearchForm , self ) . __init__ ( * args , ** kwargs ) <EOL> def get_index ( self ) : <EOL> return '<STR_LIT>' <EOL> def get_type ( self ) : <EOL> return '<STR_LIT>' <EOL> def prepare_query ( self ) : <EOL> raise NotImplementedError <EOL> def search ( self , page = <NUM_LIT:1> , page_size = <NUM_LIT:20> ) : <EOL> esp = ElasticsearchProcessor ( self . es ) <EOL> esp . add_search ( self , page , page_size ) <EOL> responses = esp . search ( ) <EOL> return responses [ <NUM_LIT:0> ] <EOL> class ElasticsearchProcessor ( object ) : <EOL> def __init__ ( self , es = None ) : <EOL> self . es = es or Elasticsearch ( es_settings . ELASTICSEARCH_SERVER ) <EOL> self . bulk_search_data = [ ] <EOL> self . page_ranges = [ ] <EOL> def reset ( self ) : <EOL> self . bulk_search_data = [ ] <EOL> self . page_ranges = [ ] <EOL> def add_search ( self , query , page = <NUM_LIT:1> , page_size = <NUM_LIT:20> , index = '<STR_LIT>' , doc_type = '<STR_LIT>' , query_params = { } ) : <EOL> if isinstance ( query , ElasticsearchForm ) : <EOL> form = query <EOL> index = index or form . get_index ( ) <EOL> doc_type = doc_type or form . get_type ( ) <EOL> qp = form . query_params . copy ( ) <EOL> qp . update ( query_params ) <EOL> query_params = qp <EOL> query = form . prepare_query ( ) <EOL> elif isinstance ( query , Search ) : <EOL> dsl_search = query <EOL> index = index or dsl_search . _index <EOL> doc_type = doc_type or dsl_search . _doc_type <EOL> qp = dsl_search . _params . copy ( ) <EOL> qp . update ( query_params ) <EOL> query_params = qp <EOL> query = dsl_search . to_dict ( ) <EOL> elif isinstance ( query , dict ) : <EOL> pass <EOL> else : <EOL> return <EOL> try : <EOL> page = int ( page ) <EOL> except ValueError : <EOL> page = <NUM_LIT:1> <EOL> try : <EOL> page_size = int ( page_size ) <EOL> except ValueError : <EOL> page_size = <NUM_LIT:20> <EOL> query [ '<STR_LIT>' ] = ( page - <NUM_LIT:1> ) * page_size <EOL> query [ '<STR_LIT:size>' ] = page_size <EOL> self . page_ranges . append ( ( page , page_size ) ) <EOL> data = query_params . copy ( ) <EOL> if index : <EOL> data [ '<STR_LIT:index>' ] = index <EOL> if doc_type : <EOL> data [ '<STR_LIT:type>' ] = doc_type <EOL> self . bulk_search_data . append ( data ) <EOL> self . bulk_search_data . append ( query ) <EOL> def search ( self ) : <EOL> responses = [ ] <EOL> if self . bulk_search_data : <EOL> data = self . es . msearch ( self . bulk_search_data ) <EOL> if data : <EOL> for i , tmp in enumerate ( data . get ( '<STR_LIT>' , [ ] ) ) : <EOL> responses . append ( DSEResponse ( tmp , * self . page_ranges [ i ] ) ) <EOL> self . reset ( ) <EOL> return responses </s>
