AdventOfCode/2022/helpers.py

51 lines
1.8 KiB
Python

from numpy.typing import ArrayLike
import numpy as np
from functools import cmp_to_key
from math import prod
import re
import requests
import sys
sys.setrecursionlimit(100000)
try:
import datetime
today = datetime.date.today()
day = today.day
year = today.year
import browser_cookie3
def download_input(day: int = day):
filename = f'input/{day:02}'
r = requests.get(f"https://adventofcode.com/{year}/day/{day}/input", cookies=browser_cookie3.firefox())
if r.status_code != 200:
print(r)
else:
with open(filename,'w') as f:
f.write(r.text)
except ModuleNotFoundError as mod:
print(f'{mod.args[0]}, automatic input fetching will not work.')
numbers_pattern = re.compile(r'((?:(?<!\d)-)?\d+)')
def line_to_numbers(line: str) -> list[int]:
return [int(x) for x in numbers_pattern.findall(line)]
def lines_to_numbers(lines: list[str]) -> list[list[int]]:
return [line_to_numbers(line) for line in lines]
def transpose_array_of_strings(aos: list[str], reverse_x = False, reverse_y = False, strip = '') -> list[str]:
return [''.join(l[i] for l in aos[::-1 if reverse_y else 1]).strip(strip) for i in range(len(aos[0]))[::-1 if reverse_x else 1]]
def read_day(day: int) -> str:
with open(f'input/{day:02}', 'r') as file:
return file.read().strip()
dtype = np.int32
directions_array = np.array([[1,0], [-1,0], [0,1], [0,-1]], dtype=dtype)
directions_dict = {'R': directions_array[0], 'L': directions_array[1], 'D': directions_array[2], 'U': directions_array[3]} # Positive down for visualization
def visualise_sparse_cells_set(cells: set[tuple[int, int]], size=20, sym_hit='#', sym_miss='.'):
vis_lol = [[sym_hit if (x,y) in cells else sym_miss for x in range(-size, size)] for y in range(-size, size)]
vis_str = '\n'.join(''.join(line) for line in vis_lol)
print(vis_str)