该代码最初发布在博客文章“ Python Pretty Date
function”上（http://evaisse.com/post/93417709/python-pretty-date-
function）
由于博客帐户已被暂停并且该页面不再可用，因此在此复制。
def pretty_date(time=False): """ Get a datetime object or a int() Epoch timestamp and return a pretty string like 'an hour ago', 'Yesterday', '3 months ago', 'just now', etc """ from datetime import datetime now = datetime.now() if type(time) is int: diff = now - datetime.fromtimestamp(time) elif isinstance(time,datetime): diff = now - time elif not time: diff = now - now second_diff = diff.seconds day_diff = diff.days if day_diff < 0: return '' if day_diff == 0: if second_diff < 10: return "just now" if second_diff < 60: return str(second_diff) + " seconds ago" if second_diff < 120: return "a minute ago" if second_diff < 3600: return str(second_diff / 60) + " minutes ago" if second_diff < 7200: return "an hour ago" if second_diff < 86400: return str(second_diff / 3600) + " hours ago" if day_diff == 1: return "Yesterday" if day_diff < 7: return str(day_diff) + " days ago" if day_diff < 31: return str(day_diff / 7) + " weeks ago" if day_diff < 365: return str(day_diff / 30) + " months ago" return str(day_diff / 365) + " years ago"
