ago/ago.py
RussellBallestrini 7333e31f43 * Added a bunch of tests
* refactored abs(delta) into delta2dict
2013-01-08 21:25:45 -05:00

40 lines
1.4 KiB
Python

from datetime import datetime
from datetime import timedelta
def delta2dict( delta ):
"""return dictionary of delta"""
delta = abs( 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, past_format='{0} ago', future_format='in {0}'):
"""return human readable delta string"""
the_format = past_format
if delta < timedelta(0): the_format = future_format
d = delta2dict( delta )
hlist = []
count = 0
units = ( 'year', 'day', 'hour', 'minute', 'second', 'microsecond' )
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
human_delta = ', '.join( hlist )
return the_format.format(human_delta)
def human(d, precision=2, format_past='{0} ago', format_future='in {0}'):
"""Pass datetime we will return human delta string"""
delta = datetime.now() - d
return delta2human( delta, precision, format_past, format_future )
if __name__ == "__main__":
from test_ago import test_output
test_output()