Initial code

7 files changed, 349 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
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+++ b/.gitignore
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+
+# Created by https://www.toptal.com/developers/gitignore/api/python,pycharm+all
+# Edit at https://www.toptal.com/developers/gitignore?templates=python,pycharm+all
+
+### PyCharm+all ###
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/**/usage.statistics.xml
+.idea/**/dictionaries
+.idea/**/shelf
+
+# Generated files
+.idea/**/contentModel.xml
+
+# Sensitive or high-churn files
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+.idea/**/dbnavigator.xml
+
+# Gradle
+.idea/**/gradle.xml
+.idea/**/libraries
+
+# Gradle and Maven with auto-import
+# When using Gradle or Maven with auto-import, you should exclude module files,
+# since they will be recreated, and may cause churn.  Uncomment if using
+# auto-import.
+# .idea/artifacts
+# .idea/compiler.xml
+# .idea/jarRepositories.xml
+# .idea/modules.xml
+# .idea/*.iml
+# .idea/modules
+# *.iml
+# *.ipr
+
+# CMake
+cmake-build-*/
+
+# Mongo Explorer plugin
+.idea/**/mongoSettings.xml
+
+# File-based project format
+*.iws
+
+# IntelliJ
+out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Cursive Clojure plugin
+.idea/replstate.xml
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+# Editor-based Rest Client
+.idea/httpRequests
+
+# Android studio 3.1+ serialized cache file
+.idea/caches/build_file_checksums.ser
+
+### PyCharm+all Patch ###
+# Ignores the whole .idea folder and all .iml files
+# See https://github.com/joeblau/gitignore.io/issues/186 and https://github.com/joeblau/gitignore.io/issues/360
+
+.idea/
+
+# Reason: https://github.com/joeblau/gitignore.io/issues/186#issuecomment-249601023
+
+*.iml
+modules.xml
+.idea/misc.xml
+*.ipr
+
+# Sonarlint plugin
+.idea/sonarlint
+
+### Python ###
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+pip-wheel-metadata/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+pytestdebug.log
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+doc/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+.python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+pythonenv*
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# profiling data
+.prof
+
+# End of https://www.toptal.com/developers/gitignore/api/python,pycharm+all
diff --git a/aoc/__init__.py b/aoc/__init__.py
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+++ b/aoc/__init__.py
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+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
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+++ b/aoc/__main__.py
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+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
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+++ b/aoc/test_init.py
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+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
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--- /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
diff --git a/conftest.py b/conftest.py
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--- /dev/null
+++ b/conftest.py
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+import importlib
+import os
+from pkgutil import walk_packages
+
+from _pytest.python import Metafunc
+
+from aoc.__main__ import day
+
+dir_path = os.path.dirname(os.path.realpath(__file__))
+
+def pytest_generate_tests(metafunc: Metafunc):
+    if 'assignment' in metafunc.fixturenames:
+        packages = [
+            importlib.import_module(package.name)
+            for package in walk_packages([dir_path])
+        ]
+
+        assignments = [
+            (getattr(package, f'Assignment{day(part)}', None), package)
+            for package in packages
+            for part in ['1', '2']
+        ]
+
+        metafunc.parametrize(
+            argnames=f'assignment',
+            argvalues=[
+                Assignment(path=package.__path__[0])
+                for (Assignment, package) in assignments
+                if Assignment is not None and hasattr(package, '__path__') and Assignment.example_result != NotImplemented
+            ],
+            ids=lambda assignment: str(assignment)
+        )
diff --git a/requirements.txt b/requirements.txt
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--- /dev/null
+++ b/requirements.txt
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+pytest
+coverage