Searchmoviewithtitles.py

import csv
import math
import re
import sys

from random import randint

def movie_title_str(self, search_str):
        matches = []
        min_edit_length = float('inf')  

        for movie_index in xrange(0, len(self.titles)):
            movie = self.titles[movie_index]
            # rearrange title to put articles in front
            title = str.lower(self.rearrange_articles(movie[0]))
            if search_str == title:
                return movie_index
            else:
                if search_str in title:  # check if search_str is a substring of title
                    edit_length = self.edit_length(title, search_str)
                    if edit_length < min_edit_length:
                        matches = [movie_index] + matches
                        if len(matches) > 10:
                            matches = matches[0:10]
                        min_edit_length = edit_length
                    else:
                        if len(matches) < 10:
                            matches.append(movie_index)

        if len(matches) > 1:
            index = -1
            for i in xrange(0, len(matches)):
                print ("str(i) + ': ' + self.titles[matches[i]][0] + '\n'")

            while index < 0 or index > len(matches):
                input_str = raw_input('Did you mean one of these movies ? Please select the index of the movie you meant + \ or enter "none" if none of them are what you are looking for: ')
                if input_str == "none"
                    return -2

                try:
                    index = int(input_str)
                    if index < 0 or index > len(matches):
                        print ("Please enter \'none\' or a valid number from the above indices.")
                except ValueError:
                    print ("Please enter \'none\' or a valid number from the above indices.")
                except NameError:
                    print ("Please enter \'none\' or a valid number from the above indices.")
                except SyntaxError:
                    print ("Please enter \'none\' or a valid number from the above indices.")

            return matches[index]

        elif len(matches) == 1:
            return matches[0]
        else:
            return -1