#!/usr/bin/env python
"""
prints, based on input:
current day
previous day
next day
barbour
29-Sep-2011
"""
import sys
import datetime
lsarg=len(sys.argv)
funcs={"previous":-1, "current":0, "next":1}
def yj2dt(y,jd):
return datetime.datetime.strptime("%04i %03i"%(y,jd),"%Y %j")
def ymd2dt(y,m,md):
return datetime.datetime.strptime("%04i %02i %02i"%(y,m,md),"%Y %m %d")
def dt2yj(dt):
return dt.strftime("%Y %j")
def dt2ymd(dt):
return dt.strftime("%Y %m %d")
def dayIter(base, daydelta):
return base + datetime.timedelta(days = daydelta)
if __name__ == "__main__" and len(sys.argv)==1:
print """
usage: func year day
or func year month day
'func' may be
%s
output will be the same as input (e.g. year julian, or year month day)
""" % funcs.keys()
elif __name__ == "__main__" and lsarg > 1:
fcn = str(sys.argv[1])
try:
deld = funcs[fcn]
except KeyError:
print "allowable functions:\n%s\n"%funcs.keys()
raise
if lsarg == 4:
# year julian
yy = int(sys.argv[2])
jj = int(sys.argv[3])
print dt2yj( dayIter( yj2dt(yy, jj), deld) )
elif lsarg == 5:
# year month day
yy = int(sys.argv[2])
mm = int(sys.argv[3])
dd = int(sys.argv[4])
print dt2ymd( dayIter( ymd2dt(yy, mm, dd), deld) )
Diff to Previous Revision
--- revision 2 2011-09-29 21:38:37
+++ revision 3 2011-09-29 21:39:22
@@ -15,12 +15,9 @@
funcs={"previous":-1, "current":0, "next":1}
def yj2dt(y,jd):
- y=int(y)
- jd=int(jd)
return datetime.datetime.strptime("%04i %03i"%(y,jd),"%Y %j")
def ymd2dt(y,m,md):
- #return datetime.date(y,m,md).strftime("%Y %m %d")
return datetime.datetime.strptime("%04i %02i %02i"%(y,m,md),"%Y %m %d")
def dt2yj(dt):
