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Python | Calendar Module
Python defines an inbuilt module calendar that handles operations related to the calendar.
The calendar module allows output calendars like the program and provides additional useful functions related to the calendar. Functions and classes defined in the Calendar module use an idealized calendar, the current Gregorian calendar extended indefinitely in both directions. By default, these calendars have Monday as the first day of the week, and Sunday as the last (the European convention).
Example #1: Display the Calendar of a given month.
Python3
# Python program to display calendar of# given month of the year # import moduleimport calendar yy = 2017mm = 11 # display the calendarprint(calendar.month(yy, mm)) |
Output:
Example #2: Display calendar of the given year.
Python3
# Python code to demonstrate the working of# calendar() function to print calendar # importing calendar module# for calendar operationsimport calendar # using calendar to print calendar of year# prints calendar of 2018print ("The calendar of year 2018 is : ")print (calendar.calendar(2018, 2, 1, 6)) |
Output:
class calendar.Calendar :
The calendar class creates a Calendar object. A Calendar object provides several methods that can be used for preparing the calendar data for formatting. This class doesn’t do any formatting itself. This is the job of subclasses. Calendar class allows the calculations for various tasks based on date, month, and year. Calendar class provides the following methods:
Function Description iterweekdays() Returns an iterator for the week day numbers that will be used for one week itermonthdates() Returns an iterator for the month (1–12) in the year itermonthdays() Returns an iterator of a specified month and a year itermonthdays2() Method is used to get an iterator for the month in the year similar to itermonthdates(). Days returned will be tuples consisting of a day of the month number and a week day number. itermonthdays3() Returns an iterator for the month in the year similar to itermonthdates(), but not restricted by the datetime.date range. Days returned will be tuples consisting of a year, a month and a day of the month numbers. itermonthdays4() Returns an iterator for the month in the year similar to itermonthdates(), but not restricted by the datetime.date range. Days returned will be tuples consisting of a year, a month, a day of the month, and a day of the week numbers. monthdatescalendar() Used to get a list of the weeks in the month of the year as full weeks monthdays2calendar() Used to get a list of the weeks in the month of the year as full weeks monthdayscalendar Used to get a list of the weeks in the month of the year as full weeks yeardatescalendar() Used to get a list of the weeks in the month of the year as full weeks yeardays2calendar() Used to get the data for specified year. Entries in the week lists are tuples of day numbers and weekday numbers yeardayscalendar() Used to get the data for specified year. Entries in the week lists are day numbers
class calendar.TextCalendar :
TextCalendar class can be used to generate plain text calendars. TextCalendar class in Python allows you to edit the calendar and use it as per your requirement.
Function Description formatmonth() Method is used to get month’s calendar in a multi-line string prmonth() Method is used to print a month’s calendar as returned by formatmonth() formatyear() Method is used to get m-column calendar for an entire year as a multi-line string pryear() Method is used to print the calendar for an entire year as returned by formatmonth()
class calendar.HTMLCalendar :
HTMLCalendar class can be used to generate HTML calendars. HTMLCalendar class in Python allows you to edit the calendar and use as per your requirement.
Function Description formatmonth() Method is used to get month’s calendar as an HTML table formatyear() Method is used to get year’s calendar as an HTML table. formatyearpage() Method is used to get year’s calendar as a complete HTML page
Simple TextCalendar class :
For simple text calendars calendar module provides the following functions :
Function Description setfirstweekday() Function sets the day start number of week firstweekday() Function returns the first week day number. By default 0 (Monday) isleap() Function checks if year mentioned in argument is leap or not leapdays() Function returns the number of leap days between the specified years in arguments weekday() Function returns the week day number(0 is Monday) of the date specified in its arguments weekheader() Returns a header containing abbreviated weekday names monthrange() Function returns two integers, first, the starting day number of week(0 as monday), second, the number of days in the month monthcalendar() Returns a matrix representing a month’s calendar. Each row represents a week; days outside of the month are represented by zeros prmonth() Function also prints the month of specific year but there is no need of “print” operation to execute this month() Function prints the month of a specific year mentioned in arguments prcal() Function also prints the calendar of specific year but there is no need of “print” operation to execute this calendar() Function displays the year, width of characters, no. of lines per week and column separations.
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