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Today to the day before yesterday, a few days ago, minutes ago, etc. | 2017-1-4 12:10 | 12:10 on 2017-1-4 | 12:12 on April 2, 2018 | April 2, 2018 | 2017-1-4 | 2017-1-4 | 1 amp 4 |

#-*-coding:utf-8-*-from datetime import datetime, timedeltaimport reimport timedef tz_offset (tz): res = (re.search (r "(? P [- +]) (? Pd {2}):? (? Pd {2})", tz) or re.search (","). Groupdict () offset = (1 if res.get ("F") "+") = "+" else-1) * timedelta (hours = int (res.get ("H", 0)), minutes = int (res.get ("M", 0)) return offsetdef parse_date (data, fmt, tz): "" time matching module Can be converted to fixed format return time string 0000-00-0000: 00:00 can match the structure | Today to the day before yesterday, a few days ago Wait a minute before | 2017-1-4 12:10 | 12:10 on 2017-1-4 | 12:12 on April 2, 2018 | April 2, 2018 | 2017-1-4 | 2017-1-4 | 1 tz 4 | "" offset = tz_offset (tz) if fmt = "auto": now = (datetime.utcnow () + timedelta (hours=8)) .replace (microsecond=0) + offset Now_1 = now-timedelta (days=1) now_2 = now-timedelta (days=2) # several / just / today / yesterday / the day before yesterday x = data.strip () x = x.replace (u "several") "0") x = x.replace (u "just [just]", now.strftime ("% Y-%m-%d% H:%M:%S")) x = x.replace (u "today", now.strftime ("% Y-%m-%d")) x = x.replace (u "yesterday") Now_1.strftime ("% Y-%m-%d") x = x.replace (u "the day before yesterday", now_2.strftime ("% Y-%m-%d")) x = re.sub (r "[year and month]", "/", x) x = re.sub (r "[day]", ", x) x = re.sub (r" s {2,} ", r") X) # before XX res = (re.search (r "(? Pd+) s * seconds? Before ", x) or re.search (r" (? Pd+) s * minutes ago ", x) or re.search (r" (? Pd+) s * hours ago ", x) or re.search (r" (? Pd+) s* days ago ", x) or re.search (") Groupdict () if res: dt = now-timedelta (days=int (res.get ("d", 0)), hours=int (res.get ("H", 0)), minutes=int (res.get ("M", 0)), seconds=int (res.get ("S") (0) # is not the form else: # XX-XX-XX XX:XX:XX res = (re.search (r "(? Pd+) [/ -] (? Pd+) [/ -] (? Pd+) (s + (? Pd {1 Pd 2})): (? Pd {2}) (: (? Pd {2}))? X) or re.search (",") .groupdict () if res = = dict (): # match when there is no year Format XX-XX XX:XX:XX month-day hours: minutes: seconds or October 10th, 17 years: minutes res = (re.search (r "(? Pd {1) 2}) [/ -] (? Pd+) (s + (? Pd {2}): (? Pd {2}) (: (? Pd {2}))?", x) or re.search ("") Groupdict () if res: y = res.get ("Y", now.year) Y = "20" + Y if len (str (Y)) = = 2 else Y m = res.get ("m", now.month) d = res.get ("d", now.day) H = res.get ("H") Now.hour) M = res.get ("M", now.minute) S = res.get ("S", 0) dt = datetime (year=int (Y) if Y! = None and 1987

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