import calendar
from datetime import date, datetime, timedelta
from typing import Iterable, List, Tuple
class GregorianCalendar:
MONTH_NAMES = [
"January",
"February",
"March",
"April",
"May",
"June",
"July",
"August",
"September",
"October",
"November",
"December",
]
@staticmethod
def setfirstweekday(weekday: int) -> None:
calendar.setfirstweekday(weekday)
@staticmethod
def previous_month_and_year(year: int, month: int) -> Tuple[int, int]:
previous_month_date = date(year, month, 1) - timedelta(days=2)
return previous_month_date.month, previous_month_date.year
@staticmethod
def next_month_and_year(year: int, month: int) -> Tuple[int, int]:
last_day_of_month = calendar.monthrange(year, month)[1]
next_month_date = date(year, month, last_day_of_month) + timedelta(days=2)
return next_month_date.month, next_month_date.year
@staticmethod
def current_date() -> Tuple[int, int, int]:
today_date = datetime.date(datetime.now())
return today_date.day, today_date.month, today_date.year
@staticmethod
def month_days(year: int, month: int) -> Iterable[date]:
return calendar.Calendar(calendar.firstweekday()).itermonthdates(year, month)
@staticmethod
def month_days_with_weekday(year: int, month: int) -> List[List[int]]:
return calendar.Calendar(calendar.firstweekday()).monthdayscalendar(year, month)
