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