6. Python版的农历日历Calendar
#coding=utf-8
#参见:http://download.csdn.net/source/1178
#******************************************************************************
# 下面为阴历计算所需的数据,为节省存储空间,所以采用下面比较变态的存储方法.
#******************************************************************************
#数组g_lunar_month_day存入阴历1901年到2050年每年中的月天数信息,
#阴历每月只能是29或30天,一年用12(或13)个二进制位表示,对应位为1表30天,否则为29天
g_lunar_month_day = [
0x4ae0, 0xa570, 0x5268, 0xd260, 0xd950, 0x6aa8, 0x56a0, 0x9ad0, 0x4ae8, 0x4ae0, #1910
0xa4d8, 0xa4d0, 0xd250, 0xd548, 0xb550, 0x56a0, 0x96d0, 0x95b0, 0x49b8, 0x49b0, #1920
0xa4b0, 0xb258, 0x6a50, 0x6d40, 0xada8, 0x2b60, 0x9570, 0x4978, 0x4970, 0x64b0, #1930
0xd4a0, 0xea50, 0x6d48, 0x5ad0, 0x2b60, 0x9370, 0x92e0, 0xc968, 0xc950, 0xd4a0, #1940
0xda50, 0xb550, 0x56a0, 0xaad8, 0x25d0, 0x92d0, 0xc958, 0xa950, 0xb4a8, 0x6ca0, #1950
0xb550, 0x55a8, 0x4da0, 0xa5b0, 0x52b8, 0x52b0, 0xa950, 0xe950, 0x6aa0, 0xad50, #1960
0xab50, 0x4b60, 0xa570, 0xa570, 0x5260, 0xe930, 0xd950, 0x5aa8, 0x56a0, 0x96d0, #1970
0x4ae8, 0x4ad0, 0xa4d0, 0xd268, 0xd250, 0xd528, 0xb540, 0xb6a0, 0x96d0, 0x95b0, #1980
0x49b0, 0xa4b8, 0xa4b0, 0xb258, 0x6a50, 0x6d40, 0xada0, 0xab60, 0x9370, 0x4978, #1990
0x4970, 0x64b0, 0x6a50, 0xea50, 0x6b28, 0x5ac0, 0xab60, 0x9368, 0x92e0, 0xc960, #2000
0xd4a8, 0xd4a0, 0xda50, 0x5aa8, 0x56a0, 0xaad8, 0x25d0, 0x92d0, 0xc958, 0xa950, #2010
0xb4a0, 0xb550, 0xb550, 0x55a8, 0x4ba0, 0xa5b0, 0x52b8, 0x52b0, 0xa930, 0x74a8, #2020
0x6aa0, 0xad50, 0x4da8, 0x4b60, 0x9570, 0xa4e0, 0xd260, 0xe930, 0xd530, 0x5aa0, #2030
0x6b50, 0x96d0, 0x4ae8, 0x4ad0, 0xa4d0, 0xd258, 0xd250, 0xd520, 0xdaa0, 0xb5a0, #2040
0x56d0, 0x4ad8, 0x49b0, 0xa4b8, 0xa4b0, 0xaa50, 0xb528, 0x6d20, 0xada0, 0x55b0, #2050
]
#数组gLanarMonth存放阴历1901年到2050年闰月的月份,如没有则为0,每字节存两年
g_lunar_month = [
0x00, 0x50, 0x04, 0x00, 0x20, #1910
0x60, 0x05, 0x00, 0x20, 0x70, #1920
0x05, 0x00, 0x40, 0x02, 0x06, #1930
0x00, 0x50, 0x03, 0x07, 0x00, #1940
0x60, 0x04, 0x00, 0x20, 0x70, #1950
0x05, 0x00, 0x30, 0x80, 0x06, #1960
0x00, 0x40, 0x03, 0x07, 0x00, #1970
0x50, 0x04, 0x08, 0x00, 0x60, #1980
0x04, 0x0a, 0x00, 0x60, 0x05, #1990
0x00, 0x30, 0x80, 0x05, 0x00, #2000
0x40, 0x02, 0x07, 0x00, 0x50, #2010
0x04, 0x09, 0x00, 0x60, 0x04, #2020
0x00, 0x20, 0x60, 0x05, 0x00, #2030
0x30, 0xb0, 0x06, 0x00, 0x50, #2040
0x02, 0x07, 0x00, 0x50, 0x03 #2050
]
#==============================
from datetime import date, datetime
from calendar import Calendar as Cal
START_YEAR = 1901
def is_leap_year(tm):
y = tm.year
return (not (y % 4)) and (y % 100) or (not (y % 400))
def show_month(tm):
(ly, lm, ld) = get_ludar_date(tm)
print
print u"%d年%d月%d日" % (tm.year, tm.month, tm.day), week_str(tm),
print u"t农历:", y_lunar(ly), m_lunar(lm), d_lunar(ld)
print
print u"日t一t二t三t四t五t六"
c = Cal()
ds = [d for d in c.itermonthdays(tm.year, tm.month)]
count = 0
for d in ds:
count += 1
if d == 0:
print "t",
continue
(ly, lm, ld) = get_ludar_date(datetime(tm.year, tm.month, d))
if count % 7 == 0:
print
d_str = str(d)
if d == tm.day:
d_str = u"*" + d_str
print d_str + d_lunar(ld) + u"t",
print
def this_month():
show_month(datetime.now())
def week_str(tm):
a = u'星期一 星期二 星期三 星期四 星期五 星期六 星期日'.split()
return a[tm.weekday()]
def d_lunar(ld):
a = u'初一 初二 初三 初四 初五 初六 初七 初八 初九 初十
十一 十二 十三 十四 十五 十六 十七 十八 十九 廿十
廿一 廿二 廿三 廿四 廿五 廿六 廿七 廿八 廿九 三十'.split()
return a[ld - 1]
def m_lunar(lm):
a = u'正月 二月 三月 四月 五月 六月 七月 八月 九月 十月 十一月 十二月'.split()
return a[lm - 1]
def y_lunar(ly):
y = ly
tg = u'甲 乙 丙 丁 戊 己 庚 辛 壬 癸'.split()
dz = u'子 丑 寅 卯 辰 巳 午 未 申 酉 戌 亥'.split()
sx = u'鼠 牛 虎 免 龙 蛇 马 羊 猴 鸡 狗 猪'.split()
return tg[(y - 4) % 10] + dz[(y - 4) % 12] + u' ' + sx[(y - 4) % 12] + u'年'
def date_diff(tm):
return (tm - datetime(1901, 1, 1)).days
def get_leap_month(lunar_year):
flag = g_lunar_month[(lunar_year - START_YEAR) / 2]
if (lunar_year - START_YEAR) % 2:
return flag & 0x0f
else:
return flag >> 4
def lunar_month_days(lunar_year, lunar_month):
if (lunar_year < START_YEAR):
return 30
high, low = 0, 29
iBit = 16 - lunar_month;
if (lunar_month > get_leap_month(lunar_year) and get_leap_month(lunar_year)):
iBit -= 1
if (g_lunar_month_day[lunar_year - START_YEAR] & (1 << iBit)):
low += 1
if (lunar_month == get_leap_month(lunar_year)):
if (g_lunar_month_day[lunar_year - START_YEAR] & (1 << (iBit -1))):
high = 30
else:
high = 29
return (high, low)
def lunar_year_days(year):
days = 0
for i in range(1, 13):
(high, low) = lunar_month_days(year, i)
days += high
days += low
return days
def get_ludar_date(tm):
span_days = date_diff(tm)
#阳历1901年2月19日为阴历1901年正月初一
#阳历1901年1月1日到2月19日共有49天
if (span_days <49):
year = START_YEAR - 1
if (span_days <19):
month = 11;
day = 11 + span_days
else:
month = 12;
day = span_days - 18
return (year, month, day)
#下面从阴历1901年正月初一算起
span_days -= 49
year, month, day = START_YEAR, 1, 1
#计算年
tmp = lunar_year_days(year)
while span_days >= tmp:
span_days -= tmp
year += 1
tmp = lunar_year_days(year)
#计算月
(foo, tmp) = lunar_month_days(year, month)
while span_days >= tmp:
span_days -= tmp
if (month == get_leap_month(year)):
(tmp, foo) = lunar_month_days(year, month)
if (span_days < tmp):
return (0, 0, 0)
span_days -= tmp
month += 1
(foo, tmp) = lunar_month_days(year, month)
#计算日
day += span_days
return (year, month, day)
#功能简单,只打印当月的
this_month()