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: / usr / share / doc / python3-rich / examples /
Filename : print_calendar.py
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"""
Builds calendar layout using Columns and Tables.
Usage:
python print_calendar.py [YEAR]
Example:
python print_calendar.py 2021
"""
import argparse
import calendar
from datetime import datetime

from rich.align import Align
from rich import box
from rich.columns import Columns
from rich.console import Console
from rich.table import Table
from rich.text import Text


def print_calendar(year):
    """Print a calendar for a given year."""

    today = datetime.today()
    year = int(year)
    cal = calendar.Calendar()
    today_tuple = today.day, today.month, today.year

    tables = []

    for month in range(1, 13):
        table = Table(
            title=f"{calendar.month_name[month]} {year}",
            style="green",
            box=box.SIMPLE_HEAVY,
            padding=0,
        )

        for week_day in cal.iterweekdays():
            table.add_column(
                "{:.3}".format(calendar.day_name[week_day]), justify="right"
            )

        month_days = cal.monthdayscalendar(year, month)
        for weekdays in month_days:
            days = []
            for index, day in enumerate(weekdays):
                day_label = Text(str(day or ""), style="magenta")
                if index in (5, 6):
                    day_label.stylize("blue")
                if day and (day, month, year) == today_tuple:
                    day_label.stylize("white on dark_red")
                days.append(day_label)
            table.add_row(*days)

        tables.append(Align.center(table))

    console = Console()
    columns = Columns(tables, padding=1, expand=True)
    console.rule(str(year))
    console.print()
    console.print(columns)
    console.rule(str(year))


if __name__ == "__main__":
    parser = argparse.ArgumentParser(description="Rich calendar")
    parser.add_argument("year", metavar="year", type=int)
    args = parser.parse_args()

    print_calendar(args.year)