def get_user_by_username_or_email(username_or_email):
""" Given an email or username, returns a user object or None """
try:
if is_valid_email(username_or_email):
user = User.objects.get(email__iexact=username_or_email)
else:
user = User.objects.get(username__iexact=username_or_email)
except User.DoesNotExist:
try:
from emailware.models import EmailAddress
except ImportError:
return None
try:
user = EmailAddress.objects.get(email__iexact=username_or_email).user
except EmailAddress.DoesNotExist:
return None
return user
def clean_email(self):
""" Validates that an active user exists with the given username / email address """
username_or_email = self.cleaned_data["email"]
if is_valid_email(username_or_email):
try:
user = User.objects.get(email__iexact=username_or_email)
except User.DoesNotExist:
raise forms.ValidationError(self.custom_error_messages['unknown_email'])
if not user.is_active:
raise forms.ValidationError(self.custom_error_messages['unknown_email'])
if not user.has_usable_password():
raise forms.ValidationError(self.custom_error_messages['unusable_email'])
else:
try:
user = User.objects.get(username__iexact=username_or_email)
except User.DoesNotExist:
raise forms.ValidationError(self.custom_error_messages['unknown_username'])
if not user.is_active:
raise forms.ValidationError(self.custom_error_messages['unknown_username'])
if not user.has_usable_password():
raise forms.ValidationError(self.custom_error_messages['unusable_username'])
return user.email