annotate website/issues/extensions/timezone.py @ 6806:bdd28b244839

- issue2551223 - fix timestamp truncation in mysql and postgresql The data types used to represent timestamps in pg and mysql for ephemeral tables: sessions and otks don't have enough signifcant digits to work. As a result the timestamps are rounduped (up/down) rsuling in the stored timestamp being 2 minutes (pg) or 2-3 hours(mysql) off from what it should be. Modify db schema to use a numeric type that preserves more significant figures. Implement schema upgrade. Document need for upgrade in upgrading.txt. Write tests for schema upgrade. Implement test for updateTimestamp method on BasicDatabase that showed this issue in the first place. Write overrides for test for anydbm/memorydb which store timestamp properly or not at all.
author John Rouillard <rouilj@ieee.org>
date Mon, 25 Jul 2022 17:20:20 -0400
parents 7d8e0dbb0852
children
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1 # Utility for replacing the simple input field for the timezone with
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2 # a select-field that lists the available values.
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3
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4 import cgi
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5
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6 try:
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7 import pytz
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8 except ImportError:
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9 pytz = None
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10
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11
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12 def tzfield(prop, name, default):
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13 if pytz:
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14 value = prop.plain()
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15 if '' == value:
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16 value = default
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17 else:
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18 try:
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19 value = "Etc/GMT%+d" % int(value)
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20 except ValueError:
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21 pass
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22
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23 l = ['<select name="%s">' % name]
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24 for zone in pytz.all_timezones:
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25 s = ' '
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26 if zone == value:
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27 s = 'selected=selected '
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28 z = cgi.escape(zone)
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29 l.append('<option %svalue="%s">%s</option>' % (s, z, z))
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30 l.append('</select>')
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31 return '\n'.join(l)
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32
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33 else:
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34 return prop.field()
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35
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36 def init(instance):
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37 instance.registerUtil('tzfield', tzfield)

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