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ex41_27.py
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ex41_27.py
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import random
import sys
from urllib import urlopen
WORD_URL = "http://learncodethehardway.org/words.txt"
WORDS = []
PHRASES = {
"class %%%(%%%):": "Make a class name %%% 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
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 = list(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\n" % answer)
except EOFError:
print('\nBye')