django1/django/contrib/localflavor/jp/forms.py

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"""
JP-specific Form helpers
"""
from __future__ import absolute_import
from django.contrib.localflavor.jp.jp_prefectures import JP_PREFECTURES
from django.forms.fields import RegexField, Select
from django.utils.translation import ugettext_lazy as _
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, max_length=None, min_length=None, *args, **kwargs):
super(JPPostalCodeField, self).__init__(r'^\d{3}-\d{4}$|^\d{7}$',
max_length, min_length, *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):
super(JPPrefectureSelect, self).__init__(attrs, choices=JP_PREFECTURES)