# Description
This PR tries to fix `into datetime`. The problem was that it didn't
support many input formats and the `--format` was clunky. `--format` is
still a bit clunky but can work. The big change here is that it first
tries to use `dtparse` to convert text into datetime.
### Before
```nushell
❯ '20220604' | into datetime
Thu, 01 Jan 1970 00:00:00 +0000 (53 years ago)
```
### After
```nushell
❯ '20220604' | into datetime
Sat, 04 Jun 2022 00:00:00 -0500 (a year ago)
```
## Supported Input Formats
`dtparse` should support all these formats. Taken from their
[repo](https://github.com/bspeice/dtparse/blob/master/build_pycompat.py).
```python
'test_parse_default': [
"Thu Sep 25 10:36:28",
"Sep 10:36:28", "10:36:28", "10:36", "Sep 2003", "Sep", "2003",
"10h36m28.5s", "10h36m28s", "10h36m", "10h", "10 h 36", "10 h 36.5",
"36 m 5", "36 m 5 s", "36 m 05", "36 m 05 s", "10h am", "10h pm",
"10am", "10pm", "10:00 am", "10:00 pm", "10:00am", "10:00pm",
"10:00a.m", "10:00p.m", "10:00a.m.", "10:00p.m.",
"October", "31-Dec-00", "0:01:02", "12h 01m02s am", "12:08 PM",
"01h02m03", "01h02", "01h02s", "01m02", "01m02h", "2004 10 Apr 11h30m",
# testPertain
'Sep 03', 'Sep of 03',
# test_hmBY - Note: This appears to be Python 3 only, no idea why
'02:17NOV2017',
# Weekdays
"Thu Sep 10:36:28", "Thu 10:36:28", "Wed", "Wednesday"
],
'test_parse_simple': [
"Thu Sep 25 10:36:28 2003", "Thu Sep 25 2003", "2003-09-25T10:49:41",
"2003-09-25T10:49", "2003-09-25T10", "2003-09-25", "20030925T104941",
"20030925T1049", "20030925T10", "20030925", "2003-09-25 10:49:41,502",
"199709020908", "19970902090807", "2003-09-25", "09-25-2003",
"25-09-2003", "10-09-2003", "10-09-03", "2003.09.25", "09.25.2003",
"25.09.2003", "10.09.2003", "10.09.03", "2003/09/25", "09/25/2003",
"25/09/2003", "10/09/2003", "10/09/03", "2003 09 25", "09 25 2003",
"25 09 2003", "10 09 2003", "10 09 03", "25 09 03", "03 25 Sep",
"25 03 Sep", " July 4 , 1976 12:01:02 am ",
"Wed, July 10, '96", "1996.July.10 AD 12:08 PM", "July 4, 1976",
"7 4 1976", "4 jul 1976", "7-4-76", "19760704",
"0:01:02 on July 4, 1976", "0:01:02 on July 4, 1976",
"July 4, 1976 12:01:02 am", "Mon Jan 2 04:24:27 1995",
"04.04.95 00:22", "Jan 1 1999 11:23:34.578", "950404 122212",
"3rd of May 2001", "5th of March 2001", "1st of May 2003",
'0099-01-01T00:00:00', '0031-01-01T00:00:00',
"20080227T21:26:01.123456789", '13NOV2017', '0003-03-04',
'December.0031.30',
# testNoYearFirstNoDayFirst
'090107',
# test_mstridx
'2015-15-May',
],
'test_parse_tzinfo': [
'Thu Sep 25 10:36:28 BRST 2003', '2003 10:36:28 BRST 25 Sep Thu',
],
'test_parse_offset': [
'Thu, 25 Sep 2003 10:49:41 -0300', '2003-09-25T10:49:41.5-03:00',
'2003-09-25T10:49:41-03:00', '20030925T104941.5-0300',
'20030925T104941-0300',
# dtparse-specific
"2018-08-10 10:00:00 UTC+3", "2018-08-10 03:36:47 PM GMT-4", "2018-08-10 04:15:00 AM Z-02:00"
],
'test_parse_dayfirst': [
'10-09-2003', '10.09.2003', '10/09/2003', '10 09 2003',
# testDayFirst
'090107',
# testUnambiguousDayFirst
'2015 09 25'
],
'test_parse_yearfirst': [
'10-09-03', '10.09.03', '10/09/03', '10 09 03',
# testYearFirst
'090107',
# testUnambiguousYearFirst
'2015 09 25'
],
'test_parse_dfyf': [
# testDayFirstYearFirst
'090107',
# testUnambiguousDayFirstYearFirst
'2015 09 25'
],
'test_unspecified_fallback': [
'April 2009', 'Feb 2007', 'Feb 2008'
],
'test_parse_ignoretz': [
'Thu Sep 25 10:36:28 BRST 2003', '1996.07.10 AD at 15:08:56 PDT',
'Tuesday, April 12, 1952 AD 3:30:42pm PST',
'November 5, 1994, 8:15:30 am EST', '1994-11-05T08:15:30-05:00',
'1994-11-05T08:15:30Z', '1976-07-04T00:01:02Z', '1986-07-05T08:15:30z',
'Tue Apr 4 00:22:12 PDT 1995'
],
'test_fuzzy_tzinfo': [
'Today is 25 of September of 2003, exactly at 10:49:41 with timezone -03:00.'
],
'test_fuzzy_tokens_tzinfo': [
'Today is 25 of September of 2003, exactly at 10:49:41 with timezone -03:00.'
],
'test_fuzzy_simple': [
'I have a meeting on March 1, 1974', # testFuzzyAMPMProblem
'On June 8th, 2020, I am going to be the first man on Mars', # testFuzzyAMPMProblem
'Meet me at the AM/PM on Sunset at 3:00 AM on December 3rd, 2003', # testFuzzyAMPMProblem
'Meet me at 3:00 AM on December 3rd, 2003 at the AM/PM on Sunset', # testFuzzyAMPMProblem
'Jan 29, 1945 14:45 AM I going to see you there?', # testFuzzyIgnoreAMPM
'2017-07-17 06:15:', # test_idx_check
],
```
# User-Facing Changes
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