Django snippets

### full_email/__init__.py #####################################################

"""Full e-mail address validation for Django"""


### full_email/formfields.py ###################################################

from django import forms

from .validators import validate_full_email


class FullEmailField(forms.EmailField):
    default_validators = [validate_full_email]


### full_email/validators.py ###################################################

from django.core.validators import email_re, EmailValidator, ValidationError
from django.utils.translation import ugettext_lazy as _


class FullEmailValidator(EmailValidator):
    def __call__(self, value):
        try:
            super(FullEmailValidator, self).__call__(value)
        except ValidationError, e:
            # Trivial case failed. Try for possible Full Name <email@address>
            if value and u'<' in value and value.endswith(u'>'):
                parts = value.rsplit(u'<', 1)
                fullname_part = parts[0].rstrip()
                email_part = parts[1][:-1]
                super(EmailValidator, self).__call__(email_part)
            else:
                raise


validate_full_email = FullEmailValidator(email_re,
                                         _(u'Enter a valid e-mail address.'),
                                         'invalid')


### full_email/models.py #######################################################

from django.db import models
from . import formfields
from .validators import validate_full_email


class FullEmailField(models.EmailField):
    default_validators = [validate_full_email]

    def formfield(self, **kwargs):
        defaults = {'form_class': formfields.FullEmailField}
        defaults.update(kwargs)
        return super(FullEmailField, self).formfield(**defaults)