Exemple #1
0
def generic(idx, qs=None, q=None, limit=5, parser=None, page=1):
    if qs is q is None:
        raise ValueError('cannot have a null querystring and query')

    if parser is None:
        parser = MultifieldParser(
                ['title', 'keywords', 'summary', 'content', 'author'], idx.schema, group=OrGroup)

    # add better date parsing support
    parser.add_plugin(DateParserPlugin())
    parser.remove_plugin_class(WildcardPlugin)

    with idx.searcher() as search:
        # generate the Query object
        if qs:
            query = parser.parse(qs)
        else:
            query = q

        facet = MultiFacet()
        facet.add_score()
        facet.add_field('modified', reverse=True)
        facet.add_field('title')

        results = search.search_page(query, pagenum=page, sortedby=facet, pagelen=limit)
        res = clean_results(idx, results, query)

        # pagination attributes on `search_page` method
        res.page_number = results.pagenum   # current page number
        res.page_total = results.pagecount  # total pages in results
        res.offset = results.offset         # first result of current page
        res.pagelen = results.pagelen       # the number of max results per page

    return res
Exemple #2
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 def __init__(self, path):
     self.idxpath = path
     self.ix = open_dir(self.idxpath)
     self.query = MultifieldParser(['content', 'ctime'],
                                   schema=self.ix.schema)
     self.query.add_plugin(DateParserPlugin())
     self.sorter = MultiFacet(["ctime", ScoreFacet()])
     self.parser = ttp.Parser()
     self.dateparser = parser.parser()
Exemple #3
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def agruparLista(groupDic):

    grupo = {}
    keys = groupDic.keys()
    if not (groupDic):
        return None
    else:
        if 'precio' in keys and 'graduacion' in keys:
            precioFacet = getPrecioFacet(groupDic["precio"])
            graduacionFacet = getGraduacionFacet(groupDic["graduacion"])
            multifaceta = MultiFacet([precioFacet, graduacionFacet])
            grupo = {"precio/graduacion": multifaceta}
        elif 'precio' not in keys and 'graduacion' in keys:
            grupo = {'graduacion': getGraduacionFacet(groupDic["graduacion"])}
        elif 'precio' in keys and 'graduacion' not in keys:
            grupo = {'precio': getPrecioFacet(groupDic["precio"])}
    return grupo
Exemple #4
0
        year = NUMERIC(stored=True)
        month = NUMERIC(stored=True)
        day = NUMERIC(stored=True)
        review = BOOLEAN(stored=True)
        journal = STORED
        volume = STORED
        pages = STORED

    ix = index.create_in(settings.ABSTRACT_INDEX_PATH, Schema)

# query parser and searcher
parser = MultifieldParser(fieldnames=("title", "abstract"), schema=ix.schema)
searcher = ix.searcher(weighting=BM25F)

# facet object for sorting abstracts by date (some have years but not dates)
datefacet = MultiFacet()
datefacet.add_field("year")
datefacet.add_field("month")
datefacet.add_field("day")


def cachekey(keywords="", genes=(), genehomologs=True):
    """Return a key to use for cached query results"""

    if genes is None:
        genes = ()

    if keywords is None:
        keywords = ""

    return "query_k:{0}_g:{1}_h:{2}".format(keywords.replace(" ", "_"), hash(genes), genehomologs)
        review = BOOLEAN(stored=True)
        journal = STORED
        volume = STORED
        pages = STORED
        
    ix = index.create_in(ABSTRACT_INDEX_PATH, Schema)


# query parser and searcher
parser = QueryParser('abstract',ix.schema)
parser.add_plugin(PhrasePlugin)
searcher = ix.searcher(weighting=BM25F)


# facet object for sorting abstracts by date (some have years but not dates)
datefacet = MultiFacet()
datefacet.add_field('year')
datefacet.add_field('month')
datefacet.add_field('day')


#Builds Query
def buildquery(keywords=None):
    # get keyword branch of query
    print "keywords (buildquery input) ==", keywords
    keywords = keywords.decode("utf-8")
    

    #print "Keyword in Unicode ==", unicode(keywords)
    keywordbranch = parser.parse(unicode(keywords)) if keywords else NullQuery()
    #print "keywordbranch (buildquery, pre-score) ==", keywordbranch