231 lines
8.6 KiB
Python
231 lines
8.6 KiB
Python
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# -*- coding: utf-8 -*-
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# vim: autoindent shiftwidth=4 expandtab textwidth=80 tabstop=4 softtabstop=4
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###############################################################################
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# ScribeEngine - Open Source Blog Software #
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# --------------------------------------------------------------------------- #
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# Copyright (c) 2010 Raoul Snyman #
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# --------------------------------------------------------------------------- #
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# This program is free software; you can redistribute it and/or modify it #
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# under the terms of the GNU General Public License as published by the Free #
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# Software Foundation; version 2 of the License. #
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# #
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# This program is distributed in the hope that it will be useful, but WITHOUT #
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or #
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for #
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# more details. #
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# #
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# You should have received a copy of the GNU General Public License along #
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# with this program; if not, write to the Free Software Foundation, Inc., 59 #
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# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
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###############################################################################
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"""
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Client-side validators.
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"""
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import logging
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log = logging.getLogger(__name__)
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class JSValidator(object):
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"""
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This is a class used to create a validation rule in javascript.
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"""
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def __init__(self, *args, **kwargs):
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"""
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The constructor is used to create the validator.
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field
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The name of the field.
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required
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Whether or not this field is required.
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type
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The type of field. Can be "string", "number", "email", "integer"
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"""
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if u'type' not in kwargs:
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raise KeyError(u'"type" is a required argument.')
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self.validators = {}
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for key, arg in kwargs.iteritems():
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self.validators[key] = arg
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def to_javascript(self):
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js_validators = []
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for key, value in self.validators.iteritems():
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if key == u'message':
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continue
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elif key == u'type':
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if value in ['email', 'number', 'url']:
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key = value
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value = u'true'
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else:
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continue
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#elif key == u'checked':
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# key = 'required'
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# if value:
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# value = u'checked'
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# else:
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# value = u'unchecked'
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elif key == u'condition':
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conditions = value.split(u',')
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values = []
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for condition in conditions:
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subconditions = condition.split(u';')
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subvalues = []
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for subcondition in subconditions:
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if subcondition.find(u'==') >= 0:
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parts = subcondition.split(u'==')
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subvalues.append(u'$("%s").val() == %s' % (parts[0], parts[1]))
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elif subcondition.find(u'>=') >= 0:
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parts = subcondition.split(u'>=')
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subvalues.append(u'$("%s").val() >= %s' % (parts[0], parts[1]))
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elif subcondition.find(u'<=') >= 0:
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parts = subcondition.split(u'<=')
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subvalues.append(u'$("%s").val() <= %s' % (parts[0], parts[1]))
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elif subcondition.find(u'>') >= 0:
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parts = subcondition.split(u'>')
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subvalues.append(u'$("%s").val() > %s' % (parts[0], parts[1]))
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elif subcondition.find(u'<') >= 0:
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parts = subcondition.split(u'<')
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subvalues.append(u'$("%s").val() < %s' % (parts[0], parts[1]))
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elif subcondition.find(u'!=') >= 0:
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parts = subcondition.split(u'!=')
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subvalues.append(u'$("%s").val() != %s' % (parts[0], parts[1]))
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#elif subcondition.find(u'@') >= 0:
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# parts = subcondition.split(u':')
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# subvalues.append(u'$("%s").attr(%s)' % (parts[0], parts[1]))
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elif subcondition.find(u':') >= 0:
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parts = subcondition.split(u':')
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subvalues.append(u'$("%s").is(":%s")' % (parts[0], parts[1]))
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else:
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subvalues.append(u'$("%s")' % subcondition)
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values.append(u' && '.join(subvalues))
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value = u'function () { return (%s); }' % u') || ('.join(values)
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key = u'required'
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elif isinstance(value, bool):
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if value:
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value = u'true'
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else:
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value = u'false'
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elif isinstance(value, basestring):
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if isinstance(value, str):
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value = unicode(value, u'utf-8')
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value = u'"%s"' % value
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else:
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value = unicode(value)
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js_validators.append(u'%s: %s' % (key, value))
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return u', '.join(js_validators)
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def get_message(self):
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"""
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If a message is set for this validator, return it, else return None.
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"""
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if 'message' in self.validators:
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return self.validators['message']
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else:
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return None
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class JSNumber(JSValidator):
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"""
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This is a specialised version of JSValidator for numbers.
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"""
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def __init__(self, *args, **kwargs):
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kwargs['type'] = u'number'
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if 'condition' not in kwargs:
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kwargs['required'] = True
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JSValidator.__init__(self, *args, **kwargs)
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class JSDigits(JSValidator):
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"""
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This is a specialised version of JSValidator for digits.
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"""
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def __init__(self, *args, **kwargs):
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kwargs['type'] = u'digits'
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JSValidator.__init__(self, *args, **kwargs)
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class JSString(JSValidator):
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"""
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This is a specialised version of JSValidator for strings.
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"""
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def __init__(self, *args, **kwargs):
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kwargs['type'] = u'string'
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JSValidator.__init__(self, *args, **kwargs)
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class JSName(JSValidator):
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"""
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This is a specialised version of JSValidator for names.
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"""
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def __init__(self, *args, **kwargs):
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kwargs['type'] = u'string'
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kwargs['realname'] = True
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JSValidator.__init__(self, *args, **kwargs)
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class JSAlphanumeric(JSValidator):
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"""
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This is a specialised version of JSValidator for alphanumeric strings.
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"""
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def __init__(self, *args, **kwargs):
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kwargs['type'] = u'string'
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kwargs['alphanumeric'] = True
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JSValidator.__init__(self, *args, **kwargs)
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class JSEmail(JSValidator):
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"""
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This is a specialised version of JSValidator for strings.
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"""
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def __init__(self, *args, **kwargs):
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kwargs['type'] = u'email'
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JSValidator.__init__(self, *args, **kwargs)
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class JSUrl(JSValidator):
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"""
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This is a specialised version of JSValidator for strings.
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"""
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def __init__(self, *args, **kwargs):
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kwargs['type'] = u'url'
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JSValidator.__init__(self, *args, **kwargs)
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class JSDate(JSValidator):
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"""
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This is a specialised version of JSValidator for dates.
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"""
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def __init__(self, *args, **kwargs):
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kwargs['type'] = u'date'
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JSValidator.__init__(self, *args, **kwargs)
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class JSDropdown(JSValidator):
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"""
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This is a copy of the DropdownValidator for Formencode.
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"""
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def __init__(self, *args, **kwargs):
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if 'invalid_option' not in kwargs:
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invalid_option = 0
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else:
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invalid_option = kwargs['invalid_option']
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del kwargs['invalid_option']
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if 'condition' not in kwargs:
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kwargs['required'] = True
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kwargs['notvalue'] = invalid_option
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kwargs['type'] = u'string'
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JSValidator.__init__(self, *args, **kwargs)
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class JSCheckbox(JSValidator):
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"""
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A validator for maching sure checkboxes are checked.
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"""
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def __init__(self, *args, **kwargs):
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if 'checked' not in kwargs:
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kwargs['checked'] = True
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kwargs['type'] = u'string'
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JSValidator.__init__(self, *args, **kwargs)
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