コード例 #1
0
ファイル: lunarcalbase.py プロジェクト: TCpick/lunar-calendar
def find_astro(year):
    ''' find new moons and solar terms needed for calculate lunar calendar
    Arg:
        year is a integer
    Return:
        list of dictionaries
            [ {date,
               newmoon/angle,
               placeholder for month }, ... ]

        '''
    # find all solar terms from -120 to +270 degree, negative angle means
    # search backward from Vernal Equinox
    solarterms = []
    angle = -120

    while angle <= 270:
        jdst = solarterm(year, angle)
        solarterms.append([jdst, angle])
        #print angle, jdftime(jdst, tz=8, ut=True)
        angle += 15

    # search 15 newmoons start 30 days before last Winter Solstice
    nms = findnewmoons(solarterms[1][0] - 30)
    aadays = [[x, 'newmoon'] for x in nms]
    aadays.extend(solarterms)
    aadays.sort()

    # normalize all Julian Day to midnight for later compare
    aadays = [(jdptime(jdftime(d[0], '%y-%m-%d', tz=8, ut=True), '%y-%m-%d'),
               d[1]) for d in aadays]
    astro = [{'date': d[0], 'astro': d[1], 'month': None} for d in aadays]
    return astro
コード例 #2
0
ファイル: lunarcalbase.py プロジェクト: TCpick/lunar-calendar
def cn_lunarcal(year):
    ''' to generate lunar calendar for year, the search should started from
    previous Winter Solstice to next year's Winter Solstic.

    Because there might be a leap month after this Winter Solstic, which can
    only be found by compute Calendar of next year, for example, 2033 has a
    leap 11 that belongs to the next year. Calendar for this and next year are
    computed and combined, then trim to fit into scale of this year.

    '''

    cal0 = search_lunarcal(year)
    cal1 = search_lunarcal(year + 1)
    for k, v in cal1.iteritems():
        cal0[k] = v

    start = jdptime('%s-%s-%s' % (year, 1, 1), '%y-%m-%d')
    end = jdptime('%s-%s-%s' % (year, 12, 31), '%y-%m-%d')
    lc = []
    for jd, day in cal0.iteritems():
        day['date'] = jdftime(jd, '%y-%m-%d', ut=False)
        if jd >= start and jd <= end:
            lc.append((jd, day))

    lc.sort()
    res = [x[1] for x in lc]

    return res