# -*- coding: utf-8 -*- import threading from math import floor from . import Solar, NineStar from .util import ShouXingUtil, LunarUtil class LunarYear: """ 农历年 """ YUAN = ("下", "上", "中") YUN = ("七", "八", "九", "一", "二", "三", "四", "五", "六") __LEAP_11 = (75, 94, 170, 265, 322, 398, 469, 553, 583, 610, 678, 735, 754, 773, 849, 887, 936, 1050, 1069, 1126, 1145, 1164, 1183, 1259, 1278, 1308, 1373, 1403, 1441, 1460, 1498, 1555, 1593, 1612, 1631, 1642, 2033, 2128, 2147, 2242, 2614, 2728, 2910, 3062, 3244, 3339, 3616, 3711, 3730, 3825, 4007, 4159, 4197, 4322, 4341, 4379, 4417, 4531, 4599, 4694, 4713, 4789, 4808, 4971, 5085, 5104, 5161, 5180, 5199, 5294, 5305, 5476, 5677, 5696, 5772, 5791, 5848, 5886, 6049, 6068, 6144, 6163, 6258, 6402, 6440, 6497, 6516, 6630, 6641, 6660, 6679, 6736, 6774, 6850, 6869, 6899, 6918, 6994, 7013, 7032, 7051, 7070, 7089, 7108, 7127, 7146, 7222, 7271, 7290, 7309, 7366, 7385, 7404, 7442, 7461, 7480, 7491, 7499, 7594, 7624, 7643, 7662, 7681, 7719, 7738, 7814, 7863, 7882, 7901, 7939, 7958, 7977, 7996, 8034, 8053, 8072, 8091, 8121, 8159, 8186, 8216, 8235, 8254, 8273, 8311, 8330, 8341, 8349, 8368, 8444, 8463, 8474, 8493, 8531, 8569, 8588, 8626, 8664, 8683, 8694, 8702, 8713, 8721, 8751, 8789, 8808, 8816, 8827, 8846, 8884, 8903, 8922, 8941, 8971, 9036, 9066, 9085, 9104, 9123, 9142, 9161, 9180, 9199, 9218, 9256, 9294, 9313, 9324, 9343, 9362, 9381, 9419, 9438, 9476, 9514, 9533, 9544, 9552, 9563, 9571, 9582, 9601, 9639, 9658, 9666, 9677, 9696, 9734, 9753, 9772, 9791, 9802, 9821, 9886, 9897, 9916, 9935, 9954, 9973, 9992) __LEAP_12 = (37, 56, 113, 132, 151, 189, 208, 227, 246, 284, 303, 341, 360, 379, 417, 436, 458, 477, 496, 515, 534, 572, 591, 629, 648, 667, 697, 716, 792, 811, 830, 868, 906, 925, 944, 963, 982, 1001, 1020, 1039, 1058, 1088, 1153, 1202, 1221, 1240, 1297, 1335, 1392, 1411, 1422, 1430, 1517, 1525, 1536, 1574, 3358, 3472, 3806, 3988, 4751, 4941, 5066, 5123, 5275, 5343, 5438, 5457, 5495, 5533, 5552, 5715, 5810, 5829, 5905, 5924, 6421, 6535, 6793, 6812, 6888, 6907, 7002, 7184, 7260, 7279, 7374, 7556, 7746, 7757, 7776, 7833, 7852, 7871, 7966, 8015, 8110, 8129, 8148, 8224, 8243, 8338, 8406, 8425, 8482, 8501, 8520, 8558, 8596, 8607, 8615, 8645, 8740, 8778, 8835, 8865, 8930, 8960, 8979, 8998, 9017, 9055, 9074, 9093, 9112, 9150, 9188, 9237, 9275, 9332, 9351, 9370, 9408, 9427, 9446, 9457, 9465, 9495, 9560, 9590, 9628, 9647, 9685, 9715, 9742, 9780, 9810, 9818, 9829, 9848, 9867, 9905, 9924, 9943, 9962, 10000) __CACHE_YEAR = None __lock = threading.Lock() def __init__(self, lunar_year): self.__year = lunar_year offset = lunar_year - 4 year_gan_index = offset % 10 year_zhi_index = offset % 12 if year_gan_index < 0: year_gan_index += 10 if year_zhi_index < 0: year_zhi_index += 12 self.__ganIndex = year_gan_index self.__zhiIndex = year_zhi_index self.__months = [] self.__jieQiJulianDays = [] self.compute() @staticmethod def fromYear(lunar_year): LunarYear.__lock.acquire() if LunarYear.__CACHE_YEAR is None or LunarYear.__CACHE_YEAR.getYear() != lunar_year: y = LunarYear(lunar_year) LunarYear.__CACHE_YEAR = y else: y = LunarYear.__CACHE_YEAR LunarYear.__lock.release() return y def compute(self): from . import Lunar, Solar, LunarMonth # 节气 jq = [] # 合朔，即每月初一 hs = [] # 每月天数，长度15 day_counts = [] # 月份 months = [] current_year = self.__year jd = floor((current_year - 2000) * 365.2422 + 180) # 355是2000.12冬至，得到较靠近jd的冬至估计值 w = floor((jd - 355 + 183) / 365.2422) * 365.2422 + 355 if ShouXingUtil.calcQi(w) > jd: w -= 365.2422 # 25个节气时刻(北京时间)，从冬至开始到下一个冬至以后 for i in range(0, 26): jq.append(ShouXingUtil.calcQi(w + 15.2184 * i)) # 从上年的大雪到下年的立春 精确的节气 for i in range(0, len(Lunar.JIE_QI_IN_USE)): if i == 0: jd = ShouXingUtil.qiAccurate2(jq[0] - 15.2184) elif i <= 26: jd = ShouXingUtil.qiAccurate2(jq[i - 1]) else: jd = ShouXingUtil.qiAccurate2(jq[25] + 15.2184 * (i - 26)) self.__jieQiJulianDays.append(jd + Solar.J2000) # 冬至前的初一，今年"首朔"的日月黄经差w w = ShouXingUtil.calcShuo(jq[0]) if w > jq[0]: w -= 29.53 # 递推每月初一 for i in range(0, 16): hs.append(ShouXingUtil.calcShuo(w + 29.5306 * i)) # 每月 for i in range(0, 15): day_counts.append(int(hs[i + 1] - hs[i])) months.append(i) prev_year = current_year - 1 leap_index = 16 if current_year in LunarYear.__LEAP_11: leap_index = 13 elif current_year in LunarYear.__LEAP_12: leap_index = 14 elif hs[13] <= jq[24]: i = 1 while hs[i + 1] > jq[2 * i] and i < 13: i += 1 leap_index = i for j in range(leap_index, 15): months[j] -= 1 ymc = [11, 12, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10] fm = -1 index = -1 y = prev_year for i in range(0, 15): dm = hs[i] + Solar.J2000 v2 = months[i] mc = ymc[v2 % 12] if 1724360 <= dm < 1729794: mc = ymc[(v2 + 1) % 12] elif 1807724 <= dm < 1808699: mc = ymc[(v2 + 1) % 12] elif dm == 1729794 or dm == 1808699: mc = 12 if fm == -1: fm = mc index = mc if mc < fm: y += 1 index = 1 fm = mc if i == leap_index: mc = -mc elif dm == 1729794 or dm == 1808699: mc = -11 self.__months.append(LunarMonth(y, mc, day_counts[i], dm, index)) index += 1 def getYear(self): return self.__year def getGanIndex(self): return self.__ganIndex def getZhiIndex(self): return self.__zhiIndex def getGan(self): return LunarUtil.GAN[self.__ganIndex + 1] def getZhi(self): return LunarUtil.ZHI[self.__zhiIndex + 1] def getGanZhi(self): return "%s%s" % (self.getGan(), self.getZhi()) def toString(self): return str(self.__year) + "" def toFullString(self): return "%d年" % self.__year def __str__(self): return self.toString() def getDayCount(self): n = 0 for m in self.__months: if m.getYear() == self.__year: n += m.getDayCount() return n def getMonthsInYear(self): months = [] for m in self.__months: if m.getYear() == self.__year: months.append(m) return months def getMonths(self): return self.__months def getJieQiJulianDays(self): return self.__jieQiJulianDays def getLeapMonth(self): """ 获取闰月 :return: 闰月数字，1代表闰1月，0代表无闰月 """ for m in self.__months: if m.getYear() == self.__year and m.isLeap(): return abs(m.getMonth()) return 0 def getMonth(self, lunar_month): """ 获取农历月 :param lunar_month: 闰月数字，1代表闰1月，0代表无闰月 :return: 农历月 """ for m in self.__months: if m.getYear() == self.__year and m.getMonth() == lunar_month: return m return None def __getZaoByGan(self, index, name): offset = index - Solar.fromJulianDay(self.getMonth(1).getFirstJulianDay()).getLunar().getDayGanIndex() if offset < 0: offset += 10 return name.replace("几", LunarUtil.NUMBER[offset + 1], 1) def __getZaoByZhi(self, index, name): offset = index - Solar.fromJulianDay(self.getMonth(1).getFirstJulianDay()).getLunar().getDayZhiIndex() if offset < 0: offset += 12 return name.replace("几", LunarUtil.NUMBER[offset + 1], 1) def getTouLiang(self): return self.__getZaoByZhi(0, "几鼠偷粮") def getCaoZi(self): return self.__getZaoByZhi(0, "草子几分") def getGengTian(self): """ 获取耕田（正月第一个丑日是初几，就是几牛耕田） :return: 耕田，如：六牛耕田 """ return self.__getZaoByZhi(1, "几牛耕田") def getHuaShou(self): return self.__getZaoByZhi(3, "花收几分") def getZhiShui(self): """ 获取治水（正月第一个辰日是初几，就是几龙治水） :return: 治水，如：二龙治水 """ return self.__getZaoByZhi(4, "几龙治水") def getTuoGu(self): return self.__getZaoByZhi(6, "几马驮谷") def getQiangMi(self): return self.__getZaoByZhi(9, "几鸡抢米") def getKanCan(self): return self.__getZaoByZhi(9, "几姑看蚕") def getGongZhu(self): return self.__getZaoByZhi(11, "几屠共猪") def getJiaTian(self): return self.__getZaoByGan(0, "甲田几分") def getFenBing(self): """ 获取分饼（正月第一个丙日是初几，就是几人分饼） :return: 分饼，如：六人分饼 """ return self.__getZaoByGan(2, "几人分饼") def getDeJin(self): """ 获取得金（正月第一个辛日是初几，就是几日得金） :return: 得金，如：一日得金 """ return self.__getZaoByGan(7, "几日得金") def getRenBing(self): return self.__getZaoByGan(2, self.__getZaoByZhi(2, "几人几丙")) def getRenChu(self): return self.__getZaoByGan(3, self.__getZaoByZhi(2, "几人几锄")) def getYuan(self): return LunarYear.YUAN[int((self.__year + 2696) / 60) % 3] + "元" def getYun(self): return LunarYear.YUN[int((self.__year + 2696) / 20) % 9] + "运" def getNineStar(self): index = LunarUtil.getJiaZiIndex(self.getGanZhi()) + 1 yuan = int((self.__year + 2696) / 60) % 3 offset = (62 + yuan * 3 - index) % 9 if 0 == offset: offset = 9 return NineStar.fromIndex(offset - 1) def getPositionXi(self): return LunarUtil.POSITION_XI[self.__ganIndex + 1] def getPositionXiDesc(self): return LunarUtil.POSITION_DESC[self.getPositionXi()] def getPositionYangGui(self): return LunarUtil.POSITION_YANG_GUI[self.__ganIndex + 1] def getPositionYangGuiDesc(self): return LunarUtil.POSITION_DESC[self.getPositionYangGui()] def getPositionYinGui(self): return LunarUtil.POSITION_YIN_GUI[self.__ganIndex + 1] def getPositionYinGuiDesc(self): return LunarUtil.POSITION_DESC[self.getPositionYinGui()] def getPositionFu(self, sect=2): return (LunarUtil.POSITION_FU if 1 == sect else LunarUtil.POSITION_FU_2)[self.__ganIndex + 1] def getPositionFuDesc(self, sect=2): return LunarUtil.POSITION_DESC[self.getPositionFu(sect)] def getPositionCai(self): return LunarUtil.POSITION_CAI[self.__ganIndex + 1] def getPositionCaiDesc(self): return LunarUtil.POSITION_DESC[self.getPositionCai()] def getPositionTaiSui(self): return LunarUtil.POSITION_TAI_SUI_YEAR[self.__zhiIndex] def getPositionTaiSuiDesc(self): return LunarUtil.POSITION_DESC[self.getPositionTaiSui()] def next(self, n): """ 获取往后推几年的阴历年，如果要往前推，则年数用负数 :param n: 年数 :return: 阴历年 """ return LunarYear.fromYear(self.__year + n)