def getRangeForDate(schemaTime):
u"""getRangeForDate(IZSchemaDateTime) -> ZDateRange
Gets the date range that defines the single day represented by
the given input. In other words, this function always returns
a date range that spans a single day, from midnight AM to
midnight PM.""" #$NON-NLS-1$
dt = schemaTime.getDateTime(True)
startDate = createStartDate(dt.year, dt.month, dt.day)
endDate = createEndDate(dt.year, dt.month, dt.day)
return ZDateRange(ZSchemaDateTime(startDate), ZSchemaDateTime(endDate))
def getContainingMonthDateRange(schemaTime):
u"""getContainingMonthDateRange() -> ZDateRange
Gets the date range that defines the 28, 29, 30, or 31 day
month containing the given date. For example, if the input
is Dec 20, 2006, the return value would be the range
beginning Dec 1, 2006 and ending Dec 31, 2006.""" #$NON-NLS-1$
dt = schemaTime.getDateTime()
(_notused, numDaysInMonth) = calendar.monthrange(dt.year, dt.month)
startDate = createStartDate(dt.year, dt.month, 1)
endDate = createEndDate(dt.year, dt.month, numDaysInMonth)
return ZDateRange(ZSchemaDateTime(startDate), ZSchemaDateTime(endDate))
def getContainingWeekDateRange(schemaTime):
u"""getContainingWeekDateRange(IZSchemaDateTime) -> ZDateRange
Gets the date range that defines the 7 day week (from Sunday to
Saturday) containing the given date. For example, if the
input is Wed Nov 22, 2006, the return value would be the range
beginning Sun Nov 19, 2006 and ending Sat Nov 25, 2006.""" #$NON-NLS-1$
dt = schemaTime.getDateTime()
weekDay = calendar.weekday(dt.year, dt.month, dt.day)
# Note: The calendar module returns 0 for Monday, 6 for Sunday
startDiffDays = (weekDay + 1) % 7
# Note: -1 mod 7 == 6
endDiffDays = (6 - (weekDay + 1)) % 7
startDelta = datetime.timedelta(days = startDiffDays)
endDelta = datetime.timedelta(days = endDiffDays)
startDate = dt - startDelta
endDate = dt + endDelta
startDate = createStartDate(startDate.year, startDate.month, startDate.day)
endDate = createEndDate(endDate.year, endDate.month, endDate.day)
return ZDateRange(ZSchemaDateTime(startDate), ZSchemaDateTime(endDate))
