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- # The day constants
- from __future__ import annotations
- # Number of X in Y.
- YEARS_PER_CENTURY = 100
- YEARS_PER_DECADE = 10
- MONTHS_PER_YEAR = 12
- WEEKS_PER_YEAR = 52
- DAYS_PER_WEEK = 7
- HOURS_PER_DAY = 24
- MINUTES_PER_HOUR = 60
- SECONDS_PER_MINUTE = 60
- SECONDS_PER_HOUR = MINUTES_PER_HOUR * SECONDS_PER_MINUTE
- SECONDS_PER_DAY = HOURS_PER_DAY * SECONDS_PER_HOUR
- US_PER_SECOND = 1000000
- # Formats
- ATOM = "YYYY-MM-DDTHH:mm:ssZ"
- COOKIE = "dddd, DD-MMM-YYYY HH:mm:ss zz"
- ISO8601 = "YYYY-MM-DDTHH:mm:ssZ"
- ISO8601_EXTENDED = "YYYY-MM-DDTHH:mm:ss.SSSSSSZ"
- RFC822 = "ddd, DD MMM YY HH:mm:ss ZZ"
- RFC850 = "dddd, DD-MMM-YY HH:mm:ss zz"
- RFC1036 = "ddd, DD MMM YY HH:mm:ss ZZ"
- RFC1123 = "ddd, DD MMM YYYY HH:mm:ss ZZ"
- RFC2822 = "ddd, DD MMM YYYY HH:mm:ss ZZ"
- RFC3339 = ISO8601
- RFC3339_EXTENDED = ISO8601_EXTENDED
- RSS = "ddd, DD MMM YYYY HH:mm:ss ZZ"
- W3C = ISO8601
- EPOCH_YEAR = 1970
- DAYS_PER_N_YEAR = 365
- DAYS_PER_L_YEAR = 366
- USECS_PER_SEC = 1000000
- SECS_PER_MIN = 60
- SECS_PER_HOUR = 60 * SECS_PER_MIN
- SECS_PER_DAY = SECS_PER_HOUR * 24
- # 400-year chunks always have 146097 days (20871 weeks).
- SECS_PER_400_YEARS = 146097 * SECS_PER_DAY
- # The number of seconds in an aligned 100-year chunk, for those that
- # do not begin with a leap year and those that do respectively.
- SECS_PER_100_YEARS = (
- (76 * DAYS_PER_N_YEAR + 24 * DAYS_PER_L_YEAR) * SECS_PER_DAY,
- (75 * DAYS_PER_N_YEAR + 25 * DAYS_PER_L_YEAR) * SECS_PER_DAY,
- )
- # The number of seconds in an aligned 4-year chunk, for those that
- # do not begin with a leap year and those that do respectively.
- SECS_PER_4_YEARS = (
- (4 * DAYS_PER_N_YEAR + 0 * DAYS_PER_L_YEAR) * SECS_PER_DAY,
- (3 * DAYS_PER_N_YEAR + 1 * DAYS_PER_L_YEAR) * SECS_PER_DAY,
- )
- # The number of seconds in non-leap and leap years respectively.
- SECS_PER_YEAR = (DAYS_PER_N_YEAR * SECS_PER_DAY, DAYS_PER_L_YEAR * SECS_PER_DAY)
- DAYS_PER_YEAR = (DAYS_PER_N_YEAR, DAYS_PER_L_YEAR)
- # The month lengths in non-leap and leap years respectively.
- DAYS_PER_MONTHS = (
- (-1, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31),
- (-1, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31),
- )
- # The day offsets of the beginning of each (1-based) month in non-leap
- # and leap years respectively.
- # For example, in a leap year there are 335 days before December.
- MONTHS_OFFSETS = (
- (-1, 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365),
- (-1, 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366),
- )
- DAY_OF_WEEK_TABLE = (0, 3, 2, 5, 0, 3, 5, 1, 4, 6, 2, 4)
- TM_SUNDAY = 0
- TM_MONDAY = 1
- TM_TUESDAY = 2
- TM_WEDNESDAY = 3
- TM_THURSDAY = 4
- TM_FRIDAY = 5
- TM_SATURDAY = 6
- TM_JANUARY = 0
- TM_FEBRUARY = 1
- TM_MARCH = 2
- TM_APRIL = 3
- TM_MAY = 4
- TM_JUNE = 5
- TM_JULY = 6
- TM_AUGUST = 7
- TM_SEPTEMBER = 8
- TM_OCTOBER = 9
- TM_NOVEMBER = 10
- TM_DECEMBER = 11
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