stud/misc/deg.py
2019-11-24 22:34:43 +02:00

24 lines
622 B
Python

from collections import namedtuple
from decimal import Decimal as Dec
class Deg(namedtuple('Deg', ['deg', 'mm', 'ss'])):
def __str__(self):
return "%03d-%02d-%.1f" % (self.deg, self.mm, self.ss)
def guess(inp):
if isinstance(inp, str) and '-' in inp:
deg, mm, ss = inp.split('-')
ddeg, dmm, dss = Dec(deg), Dec(mm), Dec(ss)
return ddeg + dmm/60 + dss/3600
else:
return Dec(instr)
def hms(deg):
assert isinstance(deg, Dec)
pdeg, pmm = divmod(deg, 1)
pmm = pmm * Dec(60)
pmm, pss = divmod(pmm, 1)
pss = pss * Dec(60)
return Deg(pdeg, pmm, pss)