ago/ago.py
2012-06-29 19:25:55 -04:00

48 lines
1.5 KiB
Python

def delta2dict( delta ):
"""return dictionary of delta"""
return {
'year' : delta.days / 365 ,
'day' : delta.days % 365 ,
'hour' : delta.seconds / 3600 ,
'minute' : (delta.seconds / 60) % 60 ,
'second' : delta.seconds % 60 ,
'microsecond' : delta.microseconds
}
def human( delta, precision = 1 ):
"""return human readable delta string"""
units = ( 'year', 'day', 'hour', 'minute', 'second', 'microsecond' )
d = delta2dict( delta )
hlist = []
count = 0
for unit in units:
if count >= precision: break # met precision
if d[ unit ] == 0: continue # skip 0's
s = '' if d[ unit ] == 1 else 's' # handle plurals
hlist.append( '%s %s%s' % ( d[unit], unit, s ) )
count += 1
return ', '.join( hlist )
def test():
"""Test and example usage"""
from datetime import datetime
d1 = datetime( year = 2009, month=5, day=4, hour=6, minute=54, second=33, microsecond=4000 )
d2 = datetime( year = 2011, month=10, day=6, hour=8, minute=55, second=36 )
delta = d2 - d1
print delta2dict( delta )
print 'Created ' + human( delta ) + ' ago.'
print 'Created ' + human( delta, 3 ) + ' ago.'
print 'Created ' + human( delta, 6 ) + ' ago.'
d3 = datetime.now()
delta = d3 - d2
print 'Posted ' + human( delta ) + ' ago'
print 'Commented ' + human( delta, 3 ) + ' ago'
print 'Edited ' + human( delta, 6 ) + ' ago'
if __name__ == "__main__":
test()