Exercise 41 - speak class

import random
from urllib import urlopen
# in python3.7: import urllib.request
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 *** function, and call it with parameters self, @@@.",
    "***.*** = ‘***‘":
        "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
# in python3.7: for word in urllib.request.urlopen(WORD_URL).readlines():
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[:]

        # fake class names
        for word in class_names:
            result = result.replace("%%%", word, 1)

        # fake other names
        for word in other_names:
            result = result.replace("***", word, 1)

        # fake parameter lists
        for word in param_names:
            result = result.replace("@@@", word, 1)

        results.append(result)

    return results


# keep going until they hit CTRL-D
try:
    while True:
        snippets = PHRASES.keys()
        random.shuffle(snippets)

        for snippet in snippets:
            phrase = PHRASES[snippet]
            question, answer = convert(snippet, phrase)
            if PHRASE_FIRST:
                question, answer = answer, question
            print(question)

            raw_input("> ")
            print("ANSWER: %s\n\t" % answer)

except EOFError:
    print("\nBye")

crush.drum = ‘drink‘
> parameter
ANSWER: From crush get the drum attribute and set it to ‘drink‘.
    
balance = Cup()
> give Cup an instance named balance
ANSWER: Set balance to an instance of class Cup.
    
class Cellar(object):
    def circle(self, chalk, curtain)
> class Celar has-a function circle that takes self, chalk and curtain as parameters
ANSWER: class Cellar has-a function named circle that takes self and chalk, curtain parameters.
    
carriage.bun(calendar)
> From carriage get the bun attribute and set it to ‘calendar‘.
ANSWER: From carriage get the bun function, and call it with parameters self, calendar.
    
class Battle(object):
    def __init__(self, dock)
> class Battle has-a __init__ function that takes self and dock parameters  
ANSWER: class Battle has-a __init__ that takes self and dock parameters.
    
class Debt(Blow):
> create a class names Debt thtaht is-a Blow
ANSWER: Make a class named Debt that is-a Blow.
    
attention.coast = ‘balloon‘
> from attention get coast and set it as ballon
ANSWER: From attention get the coast attribute and set it to ‘balloon‘.