1 files changed, 38 insertions, 0 deletions
diff --git a/webapp/django/contrib/localflavor/jp/forms.py b/webapp/django/contrib/localflavor/jp/forms.py
new file mode 100644
index 0000000000..c86dbaf8da
--- /dev/null
+++ b/webapp/django/contrib/localflavor/jp/forms.py
@@ -0,0 +1,38 @@
+"""
+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)