initial commit

.gitignore

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+# 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/
+
+# 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/
+
+# 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/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/

advent.py

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+import days
+import unittest
+
+def suite():
+    suite = unittest.TestSuite()
+    suite.addTest(days.Day1('test_day1a'))
+    suite.addTest(days.Day1('test_day1b'))
+    suite.addTest(days.Day2('test_day2a'))
+    return suite
+
+if __name__ == "__main__":
+    runner = unittest.TextTestRunner(verbosity=2)
+    runner.run(suite())

days/__init__.py

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+from .day1 import Day1
+from .day2 import Day2

days/day1.py

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+import unittest
+import os
+
+class Day1(unittest.TestCase):
+    inputfile = os.path.join(os.path.dirname(__file__), "day1_input")
+
+    def calc_fuel(self, mass):
+        fuel = mass // 3 - 2
+        if(fuel > 0):
+            return fuel + self.calc_fuel(fuel)
+        else:
+            return 0
+
+    def test_day1a(self):
+        fuel = 0
+        with open(self.inputfile) as fp:
+            value = fp.readline()
+            while value:
+                fuel += int(value) // 3 - 2
+                value = fp.readline()
+        self.assertEqual(fuel, 3402609)
+
+    def test_day1b(self):
+        with open(self.inputfile) as fp:
+            line = fp.readline()
+            sumfuel = 0
+            while line:
+                sumfuel += self.calc_fuel(int(line))
+                line = fp.readline()
+        self.assertEqual(sumfuel, 5101025)
+
+if __name__ == "__main__":
+    unittest.main()

days/day1_input

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days/day2.py

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+import unittest
+
+class Day2(unittest.TestCase):
+    def test_day2a(self):
+        self.assertTrue(1 == 1)
+
+if __name__ == "__main__":
+    unittest.main()