author | Pawel Solyga <Pawel.Solyga@gmail.com> |
Wed, 15 Apr 2009 15:56:17 +0000 | |
changeset 2185 | 09ca8e661728 |
parent 323 | ff1a9aa48cfd |
permissions | -rw-r--r-- |
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# -*- coding: utf-8 -*- |
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""" |
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BR-specific Form helpers |
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""" |
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from django.forms import ValidationError |
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from django.forms.fields import Field, RegexField, CharField, Select, EMPTY_VALUES |
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from django.utils.encoding import smart_unicode |
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from django.utils.translation import ugettext_lazy as _ |
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import re |
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|
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try: |
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set |
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except NameError: |
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from sets import Set as set # For Python 2.3 |
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|
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phone_digits_re = re.compile(r'^(\d{2})[-\.]?(\d{4})[-\.]?(\d{4})$') |
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|
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class BRZipCodeField(RegexField): |
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default_error_messages = { |
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'invalid': _('Enter a zip code in the format XXXXX-XXX.'), |
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} |
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|
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def __init__(self, *args, **kwargs): |
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super(BRZipCodeField, self).__init__(r'^\d{5}-\d{3}$', |
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max_length=None, min_length=None, *args, **kwargs) |
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|
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class BRPhoneNumberField(Field): |
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default_error_messages = { |
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'invalid': _('Phone numbers must be in XX-XXXX-XXXX format.'), |
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} |
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def clean(self, value): |
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super(BRPhoneNumberField, self).clean(value) |
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if value in EMPTY_VALUES: |
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return u'' |
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value = re.sub('(\(|\)|\s+)', '', smart_unicode(value)) |
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m = phone_digits_re.search(value) |
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if m: |
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return u'%s-%s-%s' % (m.group(1), m.group(2), m.group(3)) |
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raise ValidationError(self.error_messages['invalid']) |
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|
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class BRStateSelect(Select): |
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""" |
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A Select widget that uses a list of Brazilian states/territories |
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as its choices. |
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""" |
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def __init__(self, attrs=None): |
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from br_states import STATE_CHOICES |
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super(BRStateSelect, self).__init__(attrs, choices=STATE_CHOICES) |
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|
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class BRStateChoiceField(Field): |
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""" |
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A choice field that uses a list of Brazilian states as its choices. |
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""" |
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widget = Select |
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default_error_messages = { |
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'invalid': _(u'Select a valid brazilian state. That state is not one of the available states.'), |
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} |
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def __init__(self, required=True, widget=None, label=None, |
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initial=None, help_text=None): |
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super(BRStateChoiceField, self).__init__(required, widget, label, |
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initial, help_text) |
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from br_states import STATE_CHOICES |
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self.widget.choices = STATE_CHOICES |
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|
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def clean(self, value): |
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value = super(BRStateChoiceField, self).clean(value) |
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if value in EMPTY_VALUES: |
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value = u'' |
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value = smart_unicode(value) |
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if value == u'': |
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return value |
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valid_values = set([smart_unicode(k) for k, v in self.widget.choices]) |
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if value not in valid_values: |
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raise ValidationError(self.error_messages['invalid']) |
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return value |
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def DV_maker(v): |
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if v >= 2: |
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return 11 - v |
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return 0 |
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class BRCPFField(CharField): |
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""" |
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This field validate a CPF number or a CPF string. A CPF number is |
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compounded by XXX.XXX.XXX-VD. The two last digits are check digits. |
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|
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More information: |
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http://en.wikipedia.org/wiki/Cadastro_de_Pessoas_F%C3%ADsicas |
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""" |
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default_error_messages = { |
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'invalid': _("Invalid CPF number."), |
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'max_digits': _("This field requires at most 11 digits or 14 characters."), |
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'digits_only': _("This field requires only numbers."), |
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} |
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|
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def __init__(self, *args, **kwargs): |
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super(BRCPFField, self).__init__(max_length=14, min_length=11, *args, **kwargs) |
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|
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def clean(self, value): |
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""" |
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Value can be either a string in the format XXX.XXX.XXX-XX or an |
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11-digit number. |
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""" |
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value = super(BRCPFField, self).clean(value) |
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if value in EMPTY_VALUES: |
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return u'' |
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orig_value = value[:] |
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if not value.isdigit(): |
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value = re.sub("[-\.]", "", value) |
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try: |
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int(value) |
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115 |
except ValueError: |
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raise ValidationError(self.error_messages['digits_only']) |
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if len(value) != 11: |
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raise ValidationError(self.error_messages['max_digits']) |
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orig_dv = value[-2:] |
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120 |
|
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new_1dv = sum([i * int(value[idx]) for idx, i in enumerate(range(10, 1, -1))]) |
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new_1dv = DV_maker(new_1dv % 11) |
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value = value[:-2] + str(new_1dv) + value[-1] |
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new_2dv = sum([i * int(value[idx]) for idx, i in enumerate(range(11, 1, -1))]) |
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new_2dv = DV_maker(new_2dv % 11) |
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value = value[:-1] + str(new_2dv) |
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if value[-2:] != orig_dv: |
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raise ValidationError(self.error_messages['invalid']) |
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129 |
|
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130 |
return orig_value |
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131 |
|
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class BRCNPJField(Field): |
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default_error_messages = { |
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'invalid': _("Invalid CNPJ number."), |
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'digits_only': _("This field requires only numbers."), |
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'max_digits': _("This field requires at least 14 digits"), |
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137 |
} |
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138 |
|
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def clean(self, value): |
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""" |
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Value can be either a string in the format XX.XXX.XXX/XXXX-XX or a |
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group of 14 characters. |
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""" |
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value = super(BRCNPJField, self).clean(value) |
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if value in EMPTY_VALUES: |
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return u'' |
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orig_value = value[:] |
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if not value.isdigit(): |
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value = re.sub("[-/\.]", "", value) |
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150 |
try: |
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int(value) |
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except ValueError: |
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raise ValidationError(self.error_messages['digits_only']) |
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if len(value) != 14: |
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raise ValidationError(self.error_messages['max_digits']) |
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156 |
orig_dv = value[-2:] |
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157 |
|
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new_1dv = sum([i * int(value[idx]) for idx, i in enumerate(range(5, 1, -1) + range(9, 1, -1))]) |
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159 |
new_1dv = DV_maker(new_1dv % 11) |
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value = value[:-2] + str(new_1dv) + value[-1] |
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new_2dv = sum([i * int(value[idx]) for idx, i in enumerate(range(6, 1, -1) + range(9, 1, -1))]) |
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162 |
new_2dv = DV_maker(new_2dv % 11) |
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value = value[:-1] + str(new_2dv) |
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164 |
if value[-2:] != orig_dv: |
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165 |
raise ValidationError(self.error_messages['invalid']) |
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166 |
|
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167 |
return orig_value |