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py3
author Jeff Hammel <k0scist@gmail.com>
date Mon, 28 Dec 2020 21:18:19 +0000
parents ff6ce18cb0be
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 """user settings / preferences"""
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2
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3 from . import parser # bitsyblog dateutils.parser with mods to retain strftime format
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4 from . import utils
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7 class InvalidSettingError(Exception):
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8 """error when trying to validate a setting"""
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11 class Setting(object):
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13 def __init__(self, name, value=None):
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14 self.name = name
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15 self.value = value
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16 self.error_message = 'Invalid value for %s' % name
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18 def validator(self, value):
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19 return True
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21 def set(self, value):
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22 if not self.validator(value):
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23 raise InvalidSettingError(self.error_message)
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24 self.value = value
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26 class DateFormat(Setting):
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27 def __init__(self):
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28 Setting.__init__(self, 'Date format')
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30 def set(self, format):
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31 value = parser.parser()._parse(format)
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32 if value:
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33 self.value = value.format
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34 else:
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35 raise InvalidSettingError('unrecognized date format: %s' % format)
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38 class CSSFile(Setting):
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39 def __init__(self):
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40 Setting.__init__(self, 'CSS file')
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42 def set(self, value):
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43 if not hasattr(value, 'file'):
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44 return True # blank set: don't do anything
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45 css = value.file.read()
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47 # XXX `validate_css` is a dummy function for now.
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48 validcss = utils.validate_css(css)
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49 if not validcss:
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50 raise InvalidSettingError('%s is not valid css' % filename)
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51 filename = value.filename
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52 if not filename.endswith('.css'):
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53 filename = '%s.css' % filename
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54 self.value = dict(filename=filename, css=css)
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56 user = [ DateFormat(),
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57 Setting('Subject'),
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58 Setting('Friends'),
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59 Setting('Stylesheet'),
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60 ]
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62 form = user[:]
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63 form += [ CSSFile() ]