def _validate_username(username):
"""Validate the username.
Arguments:
username (unicode): The proposed username.
Returns:
None
Raises:
errors.AccountUsernameInvalid
"""
try:
_validate_unicode(username)
_validate_type(username, basestring, accounts.USERNAME_BAD_TYPE_MSG)
_validate_length(username, accounts.USERNAME_MIN_LENGTH,
accounts.USERNAME_MAX_LENGTH,
accounts.USERNAME_BAD_LENGTH_MSG)
with override_language('en'):
# `validate_username` provides a proper localized message, however the API needs only the English
# message by convention.
student_forms.validate_username(username)
except (UnicodeError, errors.AccountDataBadType,
errors.AccountDataBadLength) as username_err:
raise errors.AccountUsernameInvalid(text_type(username_err))
except ValidationError as validation_err:
raise errors.AccountUsernameInvalid(validation_err.message)
def _validate_username(username):
"""Validate the username.
Arguments:
username (unicode): The proposed username.
Returns:
None
Raises:
errors.AccountUsernameInvalid
"""
try:
_validate_unicode(username)
_validate_type(username, basestring, accounts.USERNAME_BAD_TYPE_MSG)
_validate_length(
username,
accounts.USERNAME_MIN_LENGTH,
accounts.USERNAME_MAX_LENGTH,
accounts.USERNAME_BAD_LENGTH_MSG
)
with override_language('en'):
# `validate_username` provides a proper localized message, however the API needs only the English
# message by convention.
student_forms.validate_username(username)
except (UnicodeError, errors.AccountDataBadType, errors.AccountDataBadLength) as username_err:
raise errors.AccountUsernameInvalid(text_type(username_err))
except ValidationError as validation_err:
raise errors.AccountUsernameInvalid(validation_err.message)
def _validate_username(username):
"""Validate the username.
Arguments:
username (unicode): The proposed username.
Returns:
None
Raises:
AccountUsernameInvalid
"""
if not isinstance(username, basestring):
raise AccountUsernameInvalid(u"Username must be a string")
if len(username) < USERNAME_MIN_LENGTH:
raise AccountUsernameInvalid(
u"Username '{username}' must be at least {min} characters long".
format(username=username, min=USERNAME_MIN_LENGTH))
if len(username) > USERNAME_MAX_LENGTH:
raise AccountUsernameInvalid(
u"Username '{username}' must be at most {max} characters long".
format(username=username, max=USERNAME_MAX_LENGTH))
try:
with override_language('en'):
# `validate_username` provides a proper localized message, however the API needs only the English
# message by convention.
student_forms.validate_username(username)
except ValidationError as error:
raise AccountUsernameInvalid(error.message)
def clean_username(self):
"""
Validate a string of comma-separated usernames and return a list of usernames.
"""
usernames_csv_string = self.cleaned_data.get('username')
if usernames_csv_string:
usernames = usernames_csv_string.split(',')
if len(usernames) > self.MAX_USERNAME_COUNT:
raise ValidationError(
"Too many usernames in a single request - {}. A maximum of {} is allowed".format(
len(usernames),
self.MAX_USERNAME_COUNT,
)
)
for username in usernames:
student_forms.validate_username(username)
return usernames
return usernames_csv_string
def _validate_username(username):
"""Validate the username.
Arguments:
username (unicode): The proposed username.
Returns:
None
Raises:
AccountUsernameInvalid
"""
if not isinstance(username, basestring):
raise AccountUsernameInvalid(u"Username must be a string")
if len(username) < USERNAME_MIN_LENGTH:
raise AccountUsernameInvalid(
u"Username '{username}' must be at least {min} characters long".format(
username=username,
min=USERNAME_MIN_LENGTH
)
)
if len(username) > USERNAME_MAX_LENGTH:
raise AccountUsernameInvalid(
u"Username '{username}' must be at most {max} characters long".format(
username=username,
max=USERNAME_MAX_LENGTH
)
)
try:
with override_language('en'):
# `validate_username` provides a proper localized message, however the API needs only the English
# message by convention.
student_forms.validate_username(username)
except ValidationError as error:
raise AccountUsernameInvalid(error.message)
