jfz-2023-s473555/TaskB07/run.py

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import sys
import csv
import os
from numpy import append
DIR = os.path.dirname(__file__)
alfabet = "abcdefghijklmnopqrstuvwxyz "
def join_path(filename: str) -> str:
return os.path.join(DIR, filename)
if len(sys.argv) == 1:
print("Default arguments parsed\n")
sys.argv.append("fsa_description.arg")
sys.argv.append("simple.in")
sys.argv.append("simple.exp")
with open(join_path(sys.argv[1]), "r", newline="", encoding="utf8") as csvfile:
filereader = csv.reader(csvfile, delimiter="\t", quotechar="|")
fsa_description = list(filereader)
accepting_state = int(fsa_description[-1][0])
fsa_description = fsa_description[:-1]
fsa_description_map = {}
is_error = False
for num, item in enumerate(fsa_description):
for letter in item[2]:
if letter not in alfabet:
print("ERROR - letter not in alfabet: ", letter, "| line:", num + 1)
exit(-1)
if (int(item[0]), letter) in fsa_description_map:
print("ERROR - duplicate letter:", letter, "| line:", num + 1)
is_error = True
tuple = (int(item[0]), letter)
fsa_description_map[tuple] = int(item[1])
if is_error:
exit(-1)
states = {}
for item in fsa_description_map:
states[item[0]] = states[item[0]] + item[1] if item[0] in states else item[1]
from collections import Counter
# check if all letters are used once
def is_permutation(str1, str2):
return Counter(str1) == Counter(str2)
def find_missing_letters(str1, str2) -> str:
missing_letters = ""
for char in str2:
if char not in str1:
missing_letters += char
return missing_letters
for state in states:
if not is_permutation(states[state], alfabet):
print(
f"ERROR - state {state} doesn't match: {states[state]} | {alfabet} | diff - {find_missing_letters(states[state], alfabet)}"
)
exit(-1)
with open(join_path(sys.argv[2]), "r", newline="", encoding="utf8") as csvfile:
filereader = csv.reader(csvfile, delimiter="\t", quotechar="|")
test_in = list(filereader)
with open(join_path(sys.argv[3]), "r", newline="", encoding="utf8") as csvfile:
filereader = csv.reader(csvfile, delimiter="\t", quotechar="|")
test_out = list(filereader)
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is_difference = []
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for i, word in enumerate(test_in):
current_state = 0
if len(word) != 0:
for letter in word[0]:
current_state = fsa_description_map[(current_state, letter)]
print(str(i + 1) + "\t", end="")
if current_state == accepting_state:
print("YES\t", end="")
if "YES" != test_out[i][0]:
print("ERROR", word, end="")
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is_difference.append(i)
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else:
print("NO\t", end="")
if "NO" != test_out[i][0]:
print("ERROR", word, end="")
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is_difference.append(i)
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print()
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if len(is_difference) != 0:
print(is_difference)