ago/ago.py
RussellBallestrini 237a6f508a Altered human to support future dates
We should move tests into its own file
2013-01-07 21:12:29 -05:00

58 lines
1.8 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 delta2human( delta, precision = 2 ):
"""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 human( d1, precision = 2 ):
"""Pass datetime we will return human delta string"""
from datetime import datetime
d2 = datetime.now()
delta = d2 - d1
if d2 < d1: delta = d1 - d2
return delta2human( delta, precision )
def test():
"""Test and example usage"""
from datetime import datetime
from datetime import timedelta
present = datetime.now()
past = present - timedelta( 492, 58711, 45 ) # days, secs, ms
future = present + timedelta( 2, 12447, 963 ) # days, secs, ms
pdelta = present - past
fdelta = future - present
print '\nTesting past:\n'
print delta2dict( pdelta )
print 'Commented ' + delta2human( pdelta, 3 ) + ' ago'
print 'Commented ' + human( past ) + ' ago'
print '\nTesting future:\n'
print delta2dict( fdelta )
print 'Shutdown in ' + delta2human( fdelta, 3 )
print 'Shutdown in ' + human( future )
print ''
if __name__ == "__main__": test()