4 files changed, 81 insertions, 0 deletions

diff --git a/aoc/__init__.py b/aoc/__init__.py
new file mode 100644
index 0000000..b13489c
--- /dev/null
+++ b/aoc/__init__.py
@@ -0,0 +1,27 @@
+import os
+from abc import ABC
+from typing import Generator, Any, Iterator
+
+
+class BaseAssignment(ABC):
+    example_result = NotImplemented
+    def __init__(self, path):
+        self.path = path
+
+    def __str__(self):
+        return f'{self.__module__}.{self.__class__.__name__}'
+
+    def parse_item(self, item: str) -> Any:
+        return item
+
+    def read_input(self, example = False) -> Generator:
+        file = f'{self.path}/input.txt'
+        if example or not os.path.isfile(file):
+            file = f'{self.path}/example.txt'
+
+        with open(file, 'r') as input_file:
+            for line in input_file.readlines():
+                yield self.parse_item(line.strip())
+
+    def run(self, input: Iterator) -> Any:
+        raise NotImplementedError('Please implement run')
\ No newline at end of file
diff --git a/aoc/__main__.py b/aoc/__main__.py
new file mode 100644
index 0000000..25a7026
--- /dev/null
+++ b/aoc/__main__.py
@@ -0,0 +1,47 @@
+import argparse
+import importlib
+import os
+from time import perf_counter
+from typing import List
+
+
+def day(assignment_part: str) -> str:
+    return {
+        '1': 'One',
+        '2': 'Two',
+    }[assignment_part]
+
+def kwargs(kwarg: str) -> List:
+    return kwarg.split('=')
+
+parser = argparse.ArgumentParser(description='Advent of Code')
+
+parser.add_argument('day', type=str, help='Assignment day')
+parser.add_argument(
+    '-p', '--part', type=day, nargs='?', default='1',
+    help='Assingment part. Defaults to one.'
+)
+parser.add_argument('--example', default=False, action='store_true')
+parser.add_argument('kwargs', type=kwargs, nargs='*')
+
+
+if __name__ == '__main__':
+    args = parser.parse_args()
+    assignment_day = importlib.import_module(args.day)
+
+    Assignment = getattr(assignment_day, f'Assignment{args.part}')
+    assignment = Assignment(
+        path=os.path.dirname(assignment_day.__file__),
+        **dict(args.kwargs)
+    )
+
+    start = perf_counter()
+    print(
+        assignment.run(
+            input=assignment.read_input(example=args.example),
+        )
+    )
+    end = perf_counter()
+    delta = end - start
+    print()
+    print(f'{(delta if delta > 1 else delta * 1000):.3f}{"s" if delta > 1 else "ms"}')
diff --git a/aoc/test_init.py b/aoc/test_init.py
new file mode 100644
index 0000000..8524086
--- /dev/null
+++ b/aoc/test_init.py
@@ -0,0 +1,2 @@
+def test_assingment_examples(assignment):
+    assert assignment.run(input=assignment.read_input(example=True)) == assignment.example_result
diff --git a/aoc/utils.py b/aoc/utils.py
new file mode 100644
index 0000000..6d794f4
--- /dev/null
+++ b/aoc/utils.py
@@ -0,0 +1,5 @@
+from typing import Callable
+
+
+def bold(item: str, condition: Callable[[], bool]):
+    return f'\033[36m{item}\033[0m' if condition() else item