67 lines
1.7 KiB
Python
67 lines
1.7 KiB
Python
# -*- coding: utf-8 -*-
|
|
from math import ceil
|
|
|
|
from . import SolarMonth
|
|
|
|
|
|
class SolarHalfYear:
|
|
"""
|
|
阳历半年
|
|
"""
|
|
|
|
MONTH_COUNT = 6
|
|
|
|
def __init__(self, year, month):
|
|
self.__year = year
|
|
self.__month = month
|
|
|
|
@staticmethod
|
|
def fromDate(date):
|
|
return SolarHalfYear(date.year, date.month)
|
|
|
|
@staticmethod
|
|
def fromYm(year, month):
|
|
return SolarHalfYear(year, month)
|
|
|
|
def getYear(self):
|
|
return self.__year
|
|
|
|
def getMonth(self):
|
|
return self.__month
|
|
|
|
def toString(self):
|
|
return "%d.%d" % (self.__year, self.getIndex())
|
|
|
|
def toFullString(self):
|
|
return "%d年%s半年" % (self.__year, ("上" if 1 == self.getIndex() else "下"))
|
|
|
|
def __str__(self):
|
|
return self.toString()
|
|
|
|
def getIndex(self):
|
|
"""
|
|
获取当月是第几半年
|
|
:return: 半年序号，从1开始
|
|
"""
|
|
return int(ceil(self.__month * 1.0 / SolarHalfYear.MONTH_COUNT))
|
|
|
|
def getMonths(self):
|
|
"""
|
|
获取本半年的阳历月列表
|
|
:return: 阳历月列表
|
|
"""
|
|
months = []
|
|
index = self.getIndex() - 1
|
|
for i in range(0, SolarHalfYear.MONTH_COUNT):
|
|
months.append(SolarMonth.fromYm(self.__year, SolarHalfYear.MONTH_COUNT * index + i + 1))
|
|
return months
|
|
|
|
def next(self, half_years):
|
|
"""
|
|
半年推移
|
|
:param half_years: 推移的半年数，负数为倒推
|
|
:return: 推移后的半年
|
|
"""
|
|
m = SolarMonth.fromYm(self.__year, self.__month).next(SolarHalfYear.MONTH_COUNT * half_years)
|
|
return SolarHalfYear.fromYm(m.getYear(), m.getMonth())
|