Preparing git repo for final project

problems/pset8/seasons/seasons.py

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+import datetime
+import re
+import sys
+
+import inflect
+
+date_regex = re.compile(r"\d{4}-\d{2}-\d{2}")
+p = inflect.engine()
+
+
+def main():
+  today = datetime.date.today()
+  users_date = input("Date of Birth: ")
+  try:
+    users_date = parse_date(users_date)
+  except ValueError:
+    sys.exit(1)
+  minutes = get_minutes(users_date, today)
+  print(format_minutes(minutes))
+
+
+def get_minutes(start_date, end_date):
+  minutes = (end_date - start_date).total_seconds() / 60
+  return int(round(minutes, 0))
+
+
+def format_minutes(minutes: int) -> str:
+  stringed_number = p.number_to_words(minutes, andword="").capitalize()
+  return f"{stringed_number} minute{'s' if minutes > 1 else ''}"
+
+
+def parse_date(date_string):
+  if not date_regex.match(date_string):  # Acutally not necessary: strptime would raise ValueError anyway
+    raise ValueError
+  return datetime.datetime.strptime(date_string, '%Y-%m-%d').date()
+
+
+if __name__ == '__main__':
+  main()

problems/pset8/seasons/test_seasons.py

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+from seasons import format_minutes, parse_date
+
+
+def main():
+  test_format_minutes()
+  test_invalid_dates()
+  test_known_intervals()
+
+
+def test_format_minutes():
+  assert format_minutes(1) == 'One minute'
+  assert format_minutes(2) == 'Two minutes'
+
+
+def test_invalid_dates():
+  try:
+    parse_date('91-5-9')
+    raise Exception
+  except Exception as e:
+    assert isinstance(e, ValueError)
+  try:
+    parse_date('cacao')
+    raise Exception
+  except Exception as e:
+    assert isinstance(e, ValueError)
+  try:
+    parse_date('1991-13-09')
+    raise Exception
+  except Exception as e:
+    assert isinstance(e, ValueError)
+  try:
+    parse_date('1991-11-40')
+    raise Exception
+  except Exception as e:
+    assert isinstance(e, ValueError)
+
+
+def test_known_intervals():
+  assert format_minutes(525600) == "Five hundred twenty-five thousand, six hundred minutes"
+  assert format_minutes(1051200) == "One million, fifty-one thousand, two hundred minutes"
+
+
+if __name__ == '__main__':
+  main()