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PR 29 from Werner
- make CDate compatible with py2/py3 - add documentation to CDate and add Phoenix tags - create some unittests for CDate git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@75591 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robin Dunn
163
wx/lib/CDate.py
163
wx/lib/CDate.py
@@ -6,38 +6,51 @@
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# Created:
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# Version 0.2 08-Nov-1999
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# Licence: wxWindows license
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# Tags: phoenix-port, py3-port, documented, unittest
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#----------------------------------------------------------------------------
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# Updated: 01-Dec-2004
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# Action: Cast the year variable to an integer under the Date Class
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# Reason: When the year was compared in the isleap() function, if it was
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# in a string format, then an error was raised.
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# in a string format, then an error was raised.
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#
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"""Date and calendar classes and date utitility methods."""
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import time
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Month = {2: 'February', 3: 'March', None: 0, 'July': 7, 11:
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'November', 'December': 12, 'June': 6, 'January': 1, 'September': 9,
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'August': 8, 'March': 3, 'November': 11, 'April': 4, 12: 'December',
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'May': 5, 10: 'October', 9: 'September', 8: 'August', 7: 'July', 6:
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'June', 5: 'May', 4: 'April', 'October': 10, 'February': 2, 1:
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'January', 0: None}
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Month = {0: None,
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1: 'January', 2: 'February', 3: 'March',
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4: 'April', 5: 'May', 6: 'June',
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7: 'July', 8: 'August', 9: 'September',
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10: 'October', 11: 'November', 12: 'December'}
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# Number of days per month (except for February in leap years)
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mdays = [0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
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# Full and abbreviated names of weekdays
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day_name = [ 'Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday']
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day_abbr = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', ]
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day_name = ['Sunday', 'Monday', 'Tuesday', 'Wednesday',
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'Thursday', 'Friday', 'Saturday']
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day_abbr = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri',
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'Sat']
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# Return number of leap years in range [y1, y2)
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# Assume y1 <= y2 and no funny (non-leap century) years
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def leapdays(y1, y2):
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return (y2+3)/4 - (y1+3)/4
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"""
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Return number of leap years in range [y1, y2]
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Assume y1 <= y2 and no funny (non-leap century) years
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"""
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return (y2 + 3) / 4 - (y1 + 3) / 4
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# Return 1 for leap years, 0 for non-leap years
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def isleap(year):
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"""Verify if year is a leap year.
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:param int `year`: the year to check
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:return: True or False
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"""
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return year % 4 == 0 and (year % 100 != 0 or year % 400 == 0)
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def FillDate(val):
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s = str(val)
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if len(s) < 2:
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@@ -46,25 +59,33 @@ def FillDate(val):
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def julianDay(year, month, day):
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b = 0L
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year, month, day = long(year), long(month), long(day)
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if month > 12L:
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year = year + month/12L
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month = month%12
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elif month < 1L:
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"""Convert a date to Julian
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:param int `year`: the year
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:param int `month`: the month
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:param int `day`: the day
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:returns: the julian date number
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"""
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b = 0
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if month > 12:
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year = year + month / 12
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month = month % 12
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elif month < 1:
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month = -month
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year = year - month/12L - 1L
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month = 12L - month%12L
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if year > 0L:
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yearCorr = 0L
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year = year - month / 12 - 1
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month = 12 - month % 12
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if year > 0:
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yearCorr = 0
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else:
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yearCorr = 3L
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if month < 3L:
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year = year - 1L
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month = month + 12L
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if year*10000L + month*100L + day > 15821014L:
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b = 2L - year/100L + year/400L
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return (1461L*year - yearCorr)/4L + 306001L*(month + 1L)/10000L + day + 1720994L + b
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yearCorr = 3
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if month < 3:
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year = year - 1
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month = month + 12
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if year * 10000 + month * 100 + day > 15821014:
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b = 2 - year / 100 + year / 400
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return (1461 * year - yearCorr) / 4 + 306001 * (month + 1) / 10000 + day + 1720994 + b
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def TodayDay():
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@@ -77,53 +98,99 @@ def TodayDay():
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daywk = day_name[daywk]
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return(daywk)
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def FormatDay(value):
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date = FromFormat(value)
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daywk = DateCalc.dayOfWeek(date)
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daywk = day_name[daywk]
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return(daywk)
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def FromJulian(julian):
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julian = long(julian)
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if (julian < 2299160L):
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b = julian + 1525L
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"""Convert a julian date
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:param int `julian`: the julian date to convert
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:returns: year, month day as integers
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"""
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if (julian < 2299160):
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b = julian + 1525
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else:
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alpha = (4L*julian - 7468861L)/146097L
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b = julian + 1526L + alpha - alpha/4L
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c = (20L*b - 2442L)/7305L
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d = 1461L*c/4L
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e = 10000L*(b - d)/306001L
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day = int(b - d - 306001L*e/10000L)
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if e < 14L:
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month = int(e - 1L)
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alpha = (4 * julian - 7468861) / 146097
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b = julian + 1526 + alpha - alpha / 4
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c = (20 * b - 2442) / 7305
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d = 1461 * c / 4
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e = 10000 * (b - d) / 306001
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day = int(b - d - 306001 * e / 10000)
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if e < 14:
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month = int(e - 1)
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else:
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month = int(e - 13L)
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month = int(e - 13)
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if month > 2:
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year = c - 4716L
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year = c - 4716
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else:
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year = c - 4715L
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year = c - 4715
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year = int(year)
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return year, month, day
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def dayOfWeek(julian):
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return int((julian + 1L)%7L)
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"""Get day of week from a julian day
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param `julian`: the julian day
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returns: the day of week as an integer and Monday = 1
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"""
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return int((julian + 1) % 7)
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def daysPerMonth(month, year):
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"""Get the number of days for the month.
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:param int `month`: the month
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:param int `year`: the year
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:returns: the number of days in the requested month
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"""
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ndays = mdays[month] + (month == 2 and isleap(year))
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return ndays
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class now(object):
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"""A now date class"""
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def __init__(self):
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"""
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Default class constructor.
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"""
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self.date = time.localtime(time.time())
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self.year = self.date[0]
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self.month = self.date[1]
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self.day = self.date[2]
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self.hour = self.date[3]
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self.minutes = self.date[4]
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self.secondes = self.date[5]
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self.day_of_week = self.date[6]
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self.julian = julianDay(self.year, self.month, self.day)
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class Date(object):
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"""A date class"""
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def __init__(self, year, month, day):
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"""
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Default class constructor.
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:param `year`: the year as an int or string
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:param `month`: the month as an int or string
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:param `day`: the day as an int or string
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"""
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self.julian = julianDay(year, month, day)
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self.month = month
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self.month = int(month)
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self.year = int(year)
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self.day = int(day)
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self.day_of_week = dayOfWeek(self.julian)
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self.days_in_month = daysPerMonth(self.month, self.year)
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