Skip to content

Instantly share code, notes, and snippets.

@alexmic
Created March 24, 2012 21:48
Show Gist options
  • Save alexmic/2188350 to your computer and use it in GitHub Desktop.
Save alexmic/2188350 to your computer and use it in GitHub Desktop.
from datetime import datetime
import math
def friendly_ago_string(d):
"""
Returns a friendly string like "8 minutes ago" representing the
differences between now and d.
"""
if not d or not isinstance(d, datetime):
return None
ending = lambda diff: diff == 1 and " ago" or "s ago"
rint = lambda r, v: int(math.ceil(r)) if (r+1) % int(r+1) >= v\
else int(math.floor(r))
dt = datetime.now().replace(tzinfo=None) - d.replace(tzinfo=None)
days, seconds = dt.days, dt.seconds
years, months, weeks, hours, mins = (rint(days/float(365), 0.6),
rint(days/float(30) , 0.85),
rint(days/float(7) , 0.85),
rint(seconds/float(3600), 0.96),
rint(seconds/float(60), 0.99))
if years > 0:
return str(years) + " year" + ending(years)
if months > 0:
return str(months) + " month" + ending(months)
elif weeks > 0:
return str(weeks) + " week" + ending(weeks)
elif days > 0:
return str(days) + " day" + ending(days)
elif hours > 0:
return str(hours) + " hour" + ending(hours)
elif mins > 0:
return str(mins) + " min" + ending(mins)
else:
return str(seconds) + " sec" + ending(seconds)
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment