import os

import sys

def substitute_vars(line, var_map):

result = line

for var, value in var_map.items():

result = result.replace(f"${{{var}}}", value)

return result

def gen_file_from_template(temp_path, out_path, var_map):

with open(temp_path) as temp_f:

with open(out_path, "w") as out_f:

out_f.writelines((substitute_vars(line, var_map) for line in temp_f))

def generate_code_for_day(day):

day_file_name = f"day{day}.py"

day_file_path = os.path.join("advent2020", day_file_name)

test_file_name = f"test_{day_file_name}"

test_file_path = os.path.join("test", test_file_name)

if os.path.exists(day_file_path) or os.path.exists(test_file_path):

raise RuntimeError(f"Files for day {day} already exist")

with open(os.path.join("templates", "license.template")) as license_f:

var_map = {

"license": license_f.read(),

"day": str(day)

}

gen_file_from_template(os.path.join("templates", "day.template"), day_file_path, var_map)

gen_file_from_template(os.path.join("templates", "test.template"), test_file_path, var_map)

def gen_day_main(args):

if len(args) == 0:

raise RuntimeError("Must provide a day number")

else:

try:

day = int(args[0])

if day < 0:

raise ValueError

generate_code_for_day(day)

except ValueError:

raise RuntimeError("Day must be a valid positive number")

if __name__ == "__main__":

gen_day_main(sys.argv[1:])

if __name__ == "__main__":

${license}

from . import util

def get_part1_answer(lines):

return None

def get_part2_answer(lines):

return None

def run():

lines = util.get_input_file_lines("day${day}.txt")

print(f"The answer to part 1 is {get_part1_answer(lines)}")

print(f"The answer to part 2 is {get_part2_answer(lines)}")

# MIT License

#

# Copyright (c) 2020 Andrew Krepps

#

# Permission is hereby granted, free of charge, to any person obtaining a copy

# of this software and associated documentation files (the "Software"), to deal

# in the Software without restriction, including without limitation the rights

# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

# copies of the Software, and to permit persons to whom the Software is

# furnished to do so, subject to the following conditions:

#

# The above copyright notice and this permission notice shall be included in all

# copies or substantial portions of the Software.

#

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

# SOFTWARE.

${license}

import unittest

from advent2020.day${day} import get_part1_answer

from advent2020.day${day} import get_part2_answer

from advent2020.util import get_input_data_lines

data = """

"""

class Day${day}Test(unittest.TestCase):

def test_day${day}(self):

lines = get_input_data_lines(data)

self.assertEqual(get_part1_answer(lines), None)

self.assertEqual(get_part2_answer(lines), None)