comparison env/lib/python3.7/site-packages/isodate/isodatetime.py @ 2:6af9afd405e9 draft

"planemo upload commit 0a63dd5f4d38a1f6944587f52a8cd79874177fc1"
author shellac
date Thu, 14 May 2020 14:56:58 -0400
parents 26e78fe6e8c4
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1 ##############################################################################
2 # Copyright 2009, Gerhard Weis
3 # All rights reserved.
4 #
5 # Redistribution and use in source and binary forms, with or without
6 # modification, are permitted provided that the following conditions are met:
7 #
8 # * Redistributions of source code must retain the above copyright notice,
9 # this list of conditions and the following disclaimer.
10 # * Redistributions in binary form must reproduce the above copyright notice,
11 # this list of conditions and the following disclaimer in the documentation
12 # and/or other materials provided with the distribution.
13 # * Neither the name of the authors nor the names of its contributors
14 # may be used to endorse or promote products derived from this software
15 # without specific prior written permission.
16 #
17 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
21 # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25 # CONTRACT, STRICT LIABILITY, OR TORT
26 ##############################################################################
27 '''
28 This module defines a method to parse an ISO 8601:2004 date time string.
29
30 For this job it uses the parse_date and parse_time methods defined in date
31 and time module.
32 '''
33 from datetime import datetime
34
35 from isodate.isostrf import strftime
36 from isodate.isostrf import DATE_EXT_COMPLETE, TIME_EXT_COMPLETE, TZ_EXT
37 from isodate.isodates import parse_date
38 from isodate.isoerror import ISO8601Error
39 from isodate.isotime import parse_time
40
41
42 def parse_datetime(datetimestring):
43 '''
44 Parses ISO 8601 date-times into datetime.datetime objects.
45
46 This function uses parse_date and parse_time to do the job, so it allows
47 more combinations of date and time representations, than the actual
48 ISO 8601:2004 standard allows.
49 '''
50 try:
51 datestring, timestring = datetimestring.split('T')
52 except ValueError:
53 raise ISO8601Error("ISO 8601 time designator 'T' missing. Unable to"
54 " parse datetime string %r" % datetimestring)
55 tmpdate = parse_date(datestring)
56 tmptime = parse_time(timestring)
57 return datetime.combine(tmpdate, tmptime)
58
59
60 def datetime_isoformat(tdt, format=DATE_EXT_COMPLETE + 'T' +
61 TIME_EXT_COMPLETE + TZ_EXT):
62 '''
63 Format datetime strings.
64
65 This method is just a wrapper around isodate.isostrf.strftime and uses
66 Extended-Complete as default format.
67 '''
68 return strftime(tdt, format)