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annotate website/issues/extensions/timezone.py @ 5267:64ae2108df60

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Add section on allowing user access to the labelprop for a class so that iterating over the class will work. Ezio found this flaw in the docs while working with the python tracker. Mark one other section as Required. Shorten another section heading.
author John Rouillard <rouilj@ieee.org>
date Sat, 16 Sep 2017 11:29:46 -0400
parents 7d8e0dbb0852
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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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