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from whoosh.analysis import StemmingAnalyzer, CharsetFilter, NgramFilter
from whoosh.index import create_in, open_dir, exists_in
from whoosh.fields import *
from whoosh.qparser import QueryParser
from whoosh.support.charset import accent_map
analyzer = StemmingAnalyzer() | CharsetFilter(accent_map) | NgramFilter(minsize=3)
title_field = TEXT(analyzer=analyzer, stored=True)
id_field = ID(unique=True, stored=True)
schema = Schema(
id=id_field,
title=title_field,
story=STORED,
)
ARCHIVE_LOCATION = 'data/archive'
ix = None
def init():
global ix
if exists_in(ARCHIVE_LOCATION):
ix = open_dir(ARCHIVE_LOCATION)
else:
ix = create_in(ARCHIVE_LOCATION, schema)
def update(story):
writer = ix.writer()
writer.update_document(
id=story['id'],
title=story['title'],
story=story,
)
writer.commit()
def get_story(sid):
with ix.searcher() as searcher:
result = searcher.document(id=sid)
return result['story'] if result else None
def search(search):
with ix.searcher() as searcher:
query = QueryParser('title', ix.schema).parse(search)
results = searcher.search(query)
stories = [r['story'] for r in results]
for s in stories:
s.pop('text', '')
s.pop('comments', '')
return stories