feat: add 2023 day 1

Author: marcelblijleven

src/adventofcode/year_2023/day_01_2023.py

@@ -0,0 +1,63 @@
+from adventofcode.util.exceptions import SolutionNotFoundError
+from adventofcode.registry.decorators import register_solution
+from adventofcode.util.input_helpers import get_input_for_day
+
+DIGITS = {
+    "one": "1",
+    "two": "2",
+    "three": "3",
+    "four": "4",
+    "five": "5",
+    "six": "6",
+    "seven": "7",
+    "eight": "8",
+    "nine": "9",
+}
+
+
+def get_calibration_value(line: str) -> int:
+    left: str | None = None
+    right: str | None = None
+
+    for char in line:
+        if char.isdigit():
+            right = char
+            if left is None:
+                left = char
+
+    return int(left + right)
+
+
+def get_calibration_values(lines: list[str]) -> int:
+    total: int = 0
+
+    for line in lines:
+        total += get_calibration_value(line)
+
+    return total
+
+
+@register_solution(2023, 1, 1)
+def part_one(input_data: list[str]):
+    answer = get_calibration_values(input_data)
+
+    if not answer:
+        raise SolutionNotFoundError(2023, 1, 1)
+
+    return answer
+
+
+@register_solution(2023, 1, 2)
+def part_two(input_data: list[str]):
+    answer = ...
+
+    if not answer:
+        raise SolutionNotFoundError(2023, 1, 2)
+
+    return answer
+
+
+if __name__ == '__main__':
+    data = get_input_for_day(2023, 1)
+    part_one(data)
+    part_two(data)

tests/adventofcode/year_2023/__init__.py

@@ -0,0 +1,29 @@
+import pytest
+
+from adventofcode.year_2023.day_01_2023 import (part_two, part_one, get_calibration_value,
+                                                )
+
+test_input = [
+    "1abc2",
+    "pqr3stu8vwx",
+    "a1b2c3d4e5f",
+    "treb7uchet",
+]
+
+
+@pytest.mark.parametrize(["line", "expected"], [
+    ("1abc2", 12),
+    ("pqr3stu8vwx", 38),
+    ("a1b2c3d4e5f", 15),
+    ("treb7uchet", 77),
+])
+def test_get_calibration_value(line, expected):
+    assert get_calibration_value(line) == expected
+
+
+def test_part_one():
+    assert part_one(test_input) == 142
+
+
+def test_part_two():
+    assert part_two(test_input) == 'x'