moogle.py

import pickle



#############################################################################
# Common part
#############################################################################


def authors():
    """Returns a string with the name of the authors of the work."""

    ### Please modify this function

    return "Jordi Petit, Jordi Cortadella"



#############################################################################
# Crawler
#############################################################################


def store(db, filename):
    with open(filename, "wb") as f:
        print("store", filename)
        pickle.dump(db, f)
        print("done")


def crawler(url, maxdist):
    """
        Crawls the web starting from url,
        following up to maxdist links
        and returns the buit database.
    """

    ### Please implement this function

    return None



#############################################################################
# Answer
#############################################################################


def load(filename):
    """Reads an object from file filename and returns it."""
    with open(filename, "rb") as f:
        print("load", filename)
        db = pickle.load(f)
        print("done")
        return db


def answer(db, query):
    """
        Returns a list of pages for the given query.

        Each page is a map with three fields:
            - title: its title
            - url: its url
            - score: its score

        The list is sorted by score in descending order.
        The query is a string of cleaned words.
    """

    ### Please implement this function

    return []