from pybloom import BloomFilter
import os
import re

posts = {post_name: open("posts/" + post_name).read() for post_name in os.listdir("posts")}
split_posts = {name: set(re.split("\W+", contents.lower())) for name, contents in posts.items()}

filters = {}
for name, words in split_posts.items():
    filters[name] = BloomFilter(capacity=1000, error_rate=0.01)
    for word in words:
        filters[name].add(word)

def search(search_string):
    results = []
    search_terms = re.split("\W+", search_string)
    for name, filter in filters.items():
        if all(term in filter for term in search_terms):
            results.append(name)
    return results

search("python raspberry")