Exercise 41 - speak class

recommend: run this in python2.7

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")

output

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‘. 

2019-10-02

17:21:18