ex41.py

import random
from urllib.request import urlopen
import sys

WORD_URL = "http://learncodethehardway.org/words.txt"
WORDS = []

PHRASES = {
    "class %%%(%%%):" :
    "Make a class named %%% that is a %%%",
    "class %%%(object): \n\tdef__init__(self,***)":
    "class %%% has a __init__ that takes self and *** parameters",
    "class %%%(object):\n\tdef ***(self,@@@)":
    "class @@@ has -a function named *** that takes self and @@@ parameters",
    "*** = %%%()":
    "set *** to an instance of class %%%",
    "***.***(@@@)":
    "From *** get the *** attribute and set it to  '***'."
    }

#do they want to drill phrases first
PHRASE_FIRST = False
if len(sys.argv) == 2 and sys.argv[1] == "english":
    PHRASE_FIRST = True

# load  up the words from the website
for word in urlopen(WORD_URL).readlines():
    WORDS.append(word.strip())

def convert(snippet,phrase):
    class_names = [w.capitalize() for w in
                   random.sample(WORDS,snippet.count("%%%"))]
    other_names = random.sample(WORDS,snippet.count("***"))
    results = []
    param_names = []

    for i in range(0,snippet.count("@@@")):
        param_count = random.randint(1,3)
        param_names.append(','.join(random.sample(WORDS,param_count)))

    for sentence in snippet,phrase:
        result = sentence[:]

    for word in class_names:
        result = result.replace("%%%",word,1)

    for word in other_names:
        result = result,replace("***",word,1)

    for word in param_names:
        result = result.replace("@@@",word,1)

        results.append(result)
        return results