def _validate_password(password, username):
 if (not isinstance(password, basestring)):
  raise AccountPasswordInvalid(u'Password must be a string')
 if (len(password) < PASSWORD_MIN_LENGTH):
  raise AccountPasswordInvalid(u'Password must be at least {min} characters long'.format(min=PASSWORD_MIN_LENGTH))
 if (len(password) > PASSWORD_MAX_LENGTH):
  raise AccountPasswordInvalid(u'Password must be at most {max} characters long'.format(max=PASSWORD_MAX_LENGTH))
 if (password == username):
  raise AccountPasswordInvalid(u'Password cannot be the same as the username')

def _validate_password ( password , username ) : if ( not isinstance ( password , basestring ) ) : raise AccountPasswordInvalid ( u'Password must be a string' ) if ( len ( password ) < PASSWORD_MIN_LENGTH ) : raise AccountPasswordInvalid ( u'Password must be at least {min} characters long' . format ( min = PASSWORD_MIN_LENGTH ) ) if ( len ( password ) > PASSWORD_MAX_LENGTH ) : raise AccountPasswordInvalid ( u'Password must be at most {max} characters long' . format ( max = PASSWORD_MAX_LENGTH ) ) if ( password == username ) : raise AccountPasswordInvalid ( u'Password cannot be the same as the username' )
validate the format of the users password .