Hejdaniel | Python Fiddle

# -*- coding: utf-8 -*-
import os
from collections import defaultdict

#Listdir der ikke finder .ds_store
def mylistdir(directory):
    filelist = os.listdir(directory)
    return [x for x in filelist
            if not (x.startswith('.'))]

#Fjerner linjeskift, punktum, komma og gør alt lower_case
def index(text):
    text = text.replace('\n', ' ')
    text = text.replace('.', ' ')
    text = text.replace(',', ' ')
    text = text.lower()
    return text

def step1():
#Laver liste med dokumenter i korpusmappen. Gør korpusmappen til cwd
    documents = mylistdir('korpus')
    os.chdir('korpus')
    indexed_docs = {}
#Åbner og læser hvert dokument i documents
    for document in documents:
        f = open(document)
        text = f.read()
        f.close()
##Indekserer teksten
        cleantext = index(text)
#Laver liste med strenge af ord
        splText = cleantext.split()
        indexed_docs[document] = splText
    return indexed_docs
cleaned_content = step1()

def invert(cleaned_content):
    return dict((v,k) for k in cleaned_content for v in cleaned_content[k])

inverted_index = invert(cleaned_content)

#Laver inverted index
def inverted_index():
#Laver defaulttypen af dictionary til list-type.
    inverted_index = defaultdict(list)
    for k in cleaned_content:
        for x in cleaned_content[k]:
            if x not in inverted_index.itervalues():
                inverted_index[x].append(k)
    inverted_index = dict(inverted_index)
    return inverted_index
inverted_index = inverted_index()

os.chdir('..')
print os.getcwd()

#Indlaeser foresporgsler
def queries():
    f = open('foresporgsler.txt')
    text = f.read()
    f.close()
    cleantext = index(text)
    splText = cleantext.split()
    print splText
    return splText
queries = queries()

#BRUGER INPUT
user_query = raw_input('Indtast foresporgsel\n')
if user_query not in queries:
    print 'Proev igen'
    user_query = raw_input('Indtast foresporgsel\n')

"""user_query2 = raw_input('Indtast ekstra forespoergsel\n')
if user_query2 not in queries:
    print 'Proev igen'
    user_query2 = raw_input('Indtast foresporgsel\n')"""

#SØGNING
def searcher(user_query):
    results = []
    for k,v in inverted_index.items():
        if k == user_query:
            results = v
    return results
results = searcher(user_query)

#Frekvens
def frequency():
    results_freq = []
    for doc in results:
        freq = results.count(doc)
        freq2 = str(freq)
        freq2 = '('+freq2+')'
        if freq > 1 and doc+str(freq) not in results_freq:
            results_freq.append(doc(freq))
        elif freq <= 1:
            results_freq.append(doc)
    print results_freq

frequency()

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