20 lines
794 B
Python
20 lines
794 B
Python
"""
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UK-specific Form helpers
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"""
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from django.newforms.fields import RegexField
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from django.utils.translation import ugettext
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class UKPostcodeField(RegexField):
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"""
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A form field that validates its input is a UK postcode.
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The regular expression used is sourced from the schema for British Standard
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BS7666 address types: http://www.govtalk.gov.uk/gdsc/schemas/bs7666-v2-0.xsd
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"""
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def __init__(self, *args, **kwargs):
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super(UKPostcodeField, self).__init__(r'^(GIR 0AA|[A-PR-UWYZ]([0-9]{1,2}|([A-HIK-Y][0-9](|[0-9]|[ABEHMNPRVWXY]))|[0-9][A-HJKSTUW]) [0-9][ABD-HJLNP-UW-Z]{2})$',
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max_length=None, min_length=None,
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error_message=ugettext(u'Enter a postcode. A space is required between the two postcode parts.'),
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*args, **kwargs)
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