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#!/usr/bin/python3
import re
import sys
from pathlib import Path
from random import shuffle
cardRegex = "CARD: "
prefixLength = len(cardRegex)
# Returns a list of Path objects, containing the path to each valid file provided
def getFileList():
fileList = []
if len(sys.argv) > 1:
for f in sys.argv[1:]:
path = Path(f)
if path.exists() and path.is_file():
fileList.append(f)
return fileList
else:
print("Missing arguments")
sys.exit()
# Returns cards in the form [(front, back)]
def createCardList(files):
cards = []
for f in files:
cards = cards + extractCards(f)
return cards
# Extracts cards from a single file into a list of the form [(front, back)]
def extractCards(f):
front = ""
back = ""
cards = []
with open(f) as cardFile:
for l in cardFile:
match = re.match(cardRegex, l)
if match:
if front != "":
cards.append([front.strip(), back.strip()])
back = ""
front = match.string[prefixLength:]
else:
back += l
# do the last front-back pair before returning
cards.append([front.strip(), back.strip()])
return cards
# Loops serving cards to the user until the program is exited
def serveCards(cards):
while True:
for card in cards:
print("----------------------------------------------------------------------------")
print(card[0])
input()
print(card[1])
input()
def debugCards(cardList):
for c in cardList:
print("Front:", c[0])
print("Back:", c[1])
def main():
files = getFileList()
cards = createCardList(files)
shuffle(cards)
serveCards(cards)
if __name__ == "__main__":
main()
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