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annotate env/lib/python3.7/site-packages/isodate/isodatetime.py @ 4:79f47841a781 draft

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"planemo upload commit 2a0fe2cc28b09e101d37293e53e82f61762262ec"
author shellac
date Thu, 14 May 2020 16:47:39 -0400
parents 26e78fe6e8c4
children
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1 ##############################################################################
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2 # Copyright 2009, Gerhard Weis
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3 # All rights reserved.
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4 #
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5 # Redistribution and use in source and binary forms, with or without
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6 # modification, are permitted provided that the following conditions are met:
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7 #
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8 # * Redistributions of source code must retain the above copyright notice,
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9 # this list of conditions and the following disclaimer.
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10 # * Redistributions in binary form must reproduce the above copyright notice,
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11 # this list of conditions and the following disclaimer in the documentation
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12 # and/or other materials provided with the distribution.
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13 # * Neither the name of the authors nor the names of its contributors
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14 # may be used to endorse or promote products derived from this software
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15 # without specific prior written permission.
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16 #
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17 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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18 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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19 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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20 # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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21 # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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22 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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23 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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24 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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25 # CONTRACT, STRICT LIABILITY, OR TORT
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26 ##############################################################################
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27 '''
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28 This module defines a method to parse an ISO 8601:2004 date time string.
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29
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30 For this job it uses the parse_date and parse_time methods defined in date
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31 and time module.
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32 '''
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33 from datetime import datetime
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34
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35 from isodate.isostrf import strftime
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36 from isodate.isostrf import DATE_EXT_COMPLETE, TIME_EXT_COMPLETE, TZ_EXT
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37 from isodate.isodates import parse_date
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38 from isodate.isoerror import ISO8601Error
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39 from isodate.isotime import parse_time
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40
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41
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42 def parse_datetime(datetimestring):
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43 '''
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44 Parses ISO 8601 date-times into datetime.datetime objects.
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45
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46 This function uses parse_date and parse_time to do the job, so it allows
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47 more combinations of date and time representations, than the actual
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48 ISO 8601:2004 standard allows.
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49 '''
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50 try:
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51 datestring, timestring = datetimestring.split('T')
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52 except ValueError:
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53 raise ISO8601Error("ISO 8601 time designator 'T' missing. Unable to"
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54 " parse datetime string %r" % datetimestring)
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55 tmpdate = parse_date(datestring)
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56 tmptime = parse_time(timestring)
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57 return datetime.combine(tmpdate, tmptime)
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58
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59
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60 def datetime_isoformat(tdt, format=DATE_EXT_COMPLETE + 'T' +
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61 TIME_EXT_COMPLETE + TZ_EXT):
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62 '''
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63 Format datetime strings.
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64
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65 This method is just a wrapper around isodate.isostrf.strftime and uses
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66 Extended-Complete as default format.
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67 '''
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68 return strftime(tdt, format)