这个dateparser列出了这些格式：

May 8, 2009 5:57:51 PM
oct 7, 1970
oct 7, '70
oct. 7, 1970
oct. 7, 70
Mon Jan 2 15:04:05 2006
Mon Jan 2 15:04:05 MST 2006
Mon Jan 02 15:04:05 -0700 2006
Monday, 02-Jan-06 15:04:05 MST
Mon, 02 Jan 2006 15:04:05 MST
Tue, 11 Jul 2017 16:28:13 +0200 (CEST)
Mon, 02 Jan 2006 15:04:05 -0700
Thu, 4 Jan 2018 17:53:36 +0000
Mon Aug 10 15:44:11 UTC+0100 2015
Fri Jul 03 2015 18:04:07 GMT+0100 (GMT Daylight Time)
September 17, 2012 10:09am
September 17, 2012 at 10:09am PST-08
September 17, 2012, 10:10:09
October 7, 1970
October 7th, 1970
12 Feb 2006, 19:17
12 Feb 2006 19:17
7 oct 70
7 oct 1970
03 February 2013
1 July 2013
2013-Feb-03
3/31/2014
03/31/2014
08/21/71
8/1/71
4/8/2014 22:05
04/08/2014 22:05
4/8/14 22:05
04/2/2014 03:00:51
8/8/1965 12:00:00 AM
8/8/1965 01:00:01 PM
8/8/1965 01:00 PM
8/8/1965 1:00 PM
8/8/1965 12:00 AM
4/02/2014 03:00:51
03/19/2012 10:11:59
03/19/2012 10:11:59.3186369
2014/3/31
2014/03/31
2014/4/8 22:05
2014/04/08 22:05
2014/04/2 03:00:51
2014/4/02 03:00:51
2012/03/19 10:11:59
2012/03/19 10:11:59.3186369
2014年04月08日
2006-01-02T15:04:05+0000
2009-08-12T22:15:09-07:00
2009-08-12T22:15:09
2009-08-12T22:15:09Z
2014-04-26 17:24:37.3186369
2012-08-03 18:31:59.257000000
2014-04-26 17:24:37.123
2013-04-01 22:43
2013-04-01 22:43:22
2014-12-16 06:20:00 UTC
2014-12-16 06:20:00 GMT
2014-04-26 05:24:37 PM
2014-04-26 13:13:43 +0800
2014-04-26 13:13:43 +0800 +08
2014-04-26 13:13:44 +09:00
2012-08-03 18:31:59.257000000 +0000 UTC
2015-09-30 18:48:56.35272715 +0000 UTC
2015-02-18 00:12:00 +0000 GMT
2015-02-18 00:12:00 +0000 UTC
2015-02-08 03:02:00 +0300 MSK m=+0.000000001
2015-02-08 03:02:00.001 +0300 MSK m=+0.000000001
2017-07-19 03:21:51+00:00
2014-04-26
2014-04
2014
2014-05-11 08:20:13,787
3.31.2014
03.31.2014
08.21.71
2014.03
2014.03.30
20140601
20140722105203
1332151919
1384216367189
1384216367111222
1384216367111222333

直接依赖这个库？相关代码移植过来？

并不是，我想先看下他的实现逻辑，然后把他列出来的格式都坐下简单适配。