| """ |
| JP-specific Form helpers |
| """ |
| |
| from django.core import validators |
| from django.forms import ValidationError |
| from django.utils.translation import ugettext_lazy as _ |
| from django.forms.fields import RegexField, Select |
| |
| class JPPostalCodeField(RegexField): |
| """ |
| A form field that validates its input is a Japanese postcode. |
| |
| Accepts 7 digits, with or without a hyphen. |
| """ |
| default_error_messages = { |
| 'invalid': _('Enter a postal code in the format XXXXXXX or XXX-XXXX.'), |
| } |
| |
| def __init__(self, *args, **kwargs): |
| super(JPPostalCodeField, self).__init__(r'^\d{3}-\d{4}$|^\d{7}$', |
| max_length=None, min_length=None, *args, **kwargs) |
| |
| def clean(self, value): |
| """ |
| Validates the input and returns a string that contains only numbers. |
| Returns an empty string for empty values. |
| """ |
| v = super(JPPostalCodeField, self).clean(value) |
| return v.replace('-', '') |
| |
| class JPPrefectureSelect(Select): |
| """ |
| A Select widget that uses a list of Japanese prefectures as its choices. |
| """ |
| def __init__(self, attrs=None): |
| from jp_prefectures import JP_PREFECTURES |
| super(JPPrefectureSelect, self).__init__(attrs, choices=JP_PREFECTURES) |
