Python django.core.validators.validate_email() Examples

def same_realm_zephyr_user(user_profile: UserProfile, email: str) -> bool:
    #
    # Are the sender and recipient both addresses in the same Zephyr
    # mirroring realm?  We have to handle this specially, inferring
    # the domain from the e-mail address, because the recipient may
    # not existing in Zulip and we may need to make a stub Zephyr
    # mirroring user on the fly.
    try:
        validators.validate_email(email)
    except ValidationError:
        return False

    domain = email_to_domain(email)

    # Assumes allow_subdomains=False for all RealmDomain's corresponding to
    # these realms.
    return user_profile.realm.is_zephyr_mirror_realm and \
        RealmDomain.objects.filter(realm=user_profile.realm, domain=domain).exists() 

def check_email_address_validity(email_address):
    """Given a string, determine if it is a valid email address using Django's validate_email() function."""

    try:
        validate_email(email_address)
        valid_email = True

    except ValidationError:
        valid_email = False

    return valid_email 

def same_realm_irc_user(user_profile: UserProfile, email: str) -> bool:
    # Check whether the target email address is an IRC user in the
    # same realm as user_profile, i.e. if the domain were example.com,
    # the IRC user would need to be username@irc.example.com
    try:
        validators.validate_email(email)
    except ValidationError:
        return False

    domain = email_to_domain(email).replace("irc.", "")

    # Assumes allow_subdomains=False for all RealmDomain's corresponding to
    # these realms.
    return RealmDomain.objects.filter(realm=user_profile.realm, domain=domain).exists() 

def same_realm_jabber_user(user_profile: UserProfile, email: str) -> bool:
    try:
        validators.validate_email(email)
    except ValidationError:
        return False

    # If your Jabber users have a different email domain than the
    # Zulip users, this is where you would do any translation.
    domain = email_to_domain(email)

    # Assumes allow_subdomains=False for all RealmDomain's corresponding to
    # these realms.
    return RealmDomain.objects.filter(realm=user_profile.realm, domain=domain).exists() 

def test_all_errors_get_reported(self):
        class UserForm(forms.Form):
            full_name = forms.CharField(
                max_length=50,
                validators=[
                    validators.validate_integer,
                    validators.validate_email,
                ]
            )
            string = forms.CharField(
                max_length=50,
                validators=[
                    validators.RegexValidator(
                        regex='^[a-zA-Z]*$',
                        message="Letters only.",
                    )
                ]
            )
            ignore_case_string = forms.CharField(
                max_length=50,
                validators=[
                    validators.RegexValidator(
                        regex='^[a-z]*$',
                        message="Letters only.",
                        flags=re.IGNORECASE,
                    )
                ]
            )

        form = UserForm({
            'full_name': 'not int nor mail',
            'string': '2 is not correct',
            'ignore_case_string': "IgnORE Case strIng",
        })
        with self.assertRaises(ValidationError) as e:
            form.fields['full_name'].clean('not int nor mail')
        self.assertEqual(2, len(e.exception.messages))

        self.assertFalse(form.is_valid())
        self.assertEqual(form.errors['string'], ["Letters only."])
        self.assertEqual(form.errors['string'], ["Letters only."]) 

def test_field_validators_can_be_any_iterable(self):
        class UserForm(forms.Form):
            full_name = forms.CharField(
                max_length=50,
                validators=(
                    validators.validate_integer,
                    validators.validate_email,
                )
            )

        form = UserForm({'full_name': 'not int nor mail'})
        self.assertFalse(form.is_valid())
        self.assertEqual(form.errors['full_name'], ['Enter a valid integer.', 'Enter a valid email address.']) 

def test_all_errors_get_reported(self):
        class UserForm(forms.Form):
            full_name = forms.CharField(
                max_length=50,
                validators=[
                    validators.validate_integer,
                    validators.validate_email,
                ]
            )
            string = forms.CharField(
                max_length=50,
                validators=[
                    validators.RegexValidator(
                        regex='^[a-zA-Z]*$',
                        message="Letters only.",
                    )
                ]
            )
            ignore_case_string = forms.CharField(
                max_length=50,
                validators=[
                    validators.RegexValidator(
                        regex='^[a-z]*$',
                        message="Letters only.",
                        flags=re.IGNORECASE,
                    )
                ]
            )

        form = UserForm({
            'full_name': 'not int nor mail',
            'string': '2 is not correct',
            'ignore_case_string': "IgnORE Case strIng",
        })
        with self.assertRaises(ValidationError) as e:
            form.fields['full_name'].clean('not int nor mail')
        self.assertEqual(2, len(e.exception.messages))

        self.assertFalse(form.is_valid())
        self.assertEqual(form.errors['string'], ["Letters only."])
        self.assertEqual(form.errors['string'], ["Letters only."]) 

def test_field_validators_can_be_any_iterable(self):
        class UserForm(forms.Form):
            full_name = forms.CharField(
                max_length=50,
                validators=(
                    validators.validate_integer,
                    validators.validate_email,
                )
            )

        form = UserForm({'full_name': 'not int nor mail'})
        self.assertFalse(form.is_valid())
        self.assertEqual(form.errors['full_name'], ['Enter a valid integer.', 'Enter a valid email address.']) 

def test_field_validates_valid_data(self):
        value = ["test@example.com", "me@example.com"]
        field = ValidatorMultipleChoiceField(validator=validate_email)
        self.assertEqual(value, field.clean(value)) 

def test_field_uses_validator(self):
        value = ["test@example.com", "invalid-email"]
        field = ValidatorMultipleChoiceField(validator=validate_email)
        error = self.assertRaises(ValidationError, field.clean, value)
        self.assertEqual(["Enter a valid email address."], error.messages) 

def __call__(self, value):
        value = force_text(value)
        addresses = getaddresses([value])
        [validate_email(email) for name, email in addresses if email] 

def find_account(request: HttpRequest) -> HttpResponse:
    from zerver.context_processors import common_context
    url = reverse('zerver.views.registration.find_account')

    emails: List[str] = []
    if request.method == 'POST':
        form = FindMyTeamForm(request.POST)
        if form.is_valid():
            emails = form.cleaned_data['emails']
            for user in UserProfile.objects.filter(
                    delivery_email__in=emails, is_active=True, is_bot=False,
                    realm__deactivated=False):
                context = common_context(user)
                context.update({
                    'email': user.delivery_email,
                })
                send_email('zerver/emails/find_team', to_user_ids=[user.id], context=context,
                           from_address=FromAddress.SUPPORT)

            # Note: Show all the emails in the result otherwise this
            # feature can be used to ascertain which email addresses
            # are associated with Zulip.
            data = urllib.parse.urlencode({'emails': ','.join(emails)})
            return redirect(add_query_to_redirect_url(url, data))
    else:
        form = FindMyTeamForm()
        result = request.GET.get('emails')
        # The below validation is perhaps unnecessary, in that we
        # shouldn't get able to get here with an invalid email unless
        # the user hand-edits the URLs.
        if result:
            for email in result.split(','):
                try:
                    validators.validate_email(email)
                    emails.append(email)
                except ValidationError:
                    pass

    return render(request,
                  'zerver/find_account.html',
                  context={'form': form, 'current_url': lambda: url,
                           'emails': emails}) 

def handle(self, *args: Any, **options: Any) -> None:
        if not options["tos"]:
            raise CommandError("""You must confirm that this user has accepted the
Terms of Service by passing --this-user-has-accepted-the-tos.""")
        realm = self.get_realm(options)
        assert realm is not None  # Should be ensured by parser

        try:
            email = options['email']
            full_name = options['full_name']
            try:
                validators.validate_email(email)
            except ValidationError:
                raise CommandError("Invalid email address.")
        except KeyError:
            if 'email' in options or 'full_name' in options:
                raise CommandError("""Either specify an email and full name as two
parameters, or specify no parameters for interactive user creation.""")
            else:
                while True:
                    email = input("Email: ")
                    try:
                        validators.validate_email(email)
                        break
                    except ValidationError:
                        print("Invalid email address.", file=sys.stderr)
                full_name = input("Full name: ")

        try:
            if options['password_file']:
                with open(options['password_file']) as f:
                    pw = f.read()
            elif options['password']:
                pw = options['password']
            else:
                user_initial_password = initial_password(email)
                if user_initial_password is None:
                    raise CommandError("Password is unusable.")
                pw = user_initial_password
            do_create_user(email, pw, realm, full_name, email_to_username(email))
        except IntegrityError:
            raise CommandError("User already exists.")