ctabus/search.py

import edlib
def editdistance(a,b):
	return edlib.align(a,b)['editDistance']
import re
import json
class Search:
    def __init__(self,query):
        self.raw_lower = query.lower()
    def __call__(self,arg):
        arg = arg.lower()
        return editdistance(self.raw_lower,arg)
    def __str__(self):
        print(self.raw_lower)
    def __repr__(self):
        return str(self)
class StopSearch(Search):
    def __init__(self,query):
        super().__init__(query)
        query = query.lower()
        parts = re.split(r' ?(?:(?<!\w)and(?!\w)|&) ?',query)
        self.query = ' & '.join(parts)
        self.query_reversed = ' & '.join(reversed(parts))
    def __call__(self,stop):
        stop = stop.lower()
        paren = re.search(r'\((?P<data>[^\)]+)\)',stop)
        ret= [
            editdistance(self.query,stop),
            editdistance(self.query_reversed,stop),
        ]
        if paren:
            paren = paren.group('data')
            ret.append(editdistance(self.query,paren))
        if self.raw_lower in stop:
            ret = (item - 100 for item in ret)
        return min(
                ret
            )
    def __str__(self):
        return '{}|{}'.format(self.query,self.query_reversed)

if __name__ == "__main__":
    with open('stops_out.json') as file:
        data = json.load(file)
        names = [stop['stpnm'] for stop in data['stops']]
    while True:
        q = StopSearch(input('Search: '))
        print('\n'.join(sorted(names,key=q)),end='\n'*3)