How to use the ldap3.get_config_parameter function in ldap3

if test_logging:
    try:
        remove(test_logging_filename)
    except OSError:
        pass

    import logging
    logging.basicConfig(filename=test_logging_filename, level=logging.DEBUG)
    set_library_log_activation_level(logging.DEBUG)
    set_library_log_detail_level(test_log_detail)

print('Testing location:', location, ' - Test server:', test_server)
print('Python version:', version, ' - ldap3 version:', ldap3_version, ' - pyasn1 version:', pyasn1_version,)
print('Strategy:', test_strategy, '- Lazy:', test_lazy_connection, '- Check names:', test_check_names, '- Collect usage:', test_usage, ' - pool size:', test_pool_size)
print('Default client encoding:', get_config_parameter('DEFAULT_CLIENT_ENCODING'), ' - Default server encoding:', get_config_parameter('DEFAULT_SERVER_ENCODING'),  '- Source encoding:', getdefaultencoding(), '- File encoding:', getfilesystemencoding(), ' - Additional server encodings:', ', '.join(get_config_parameter('ADDITIONAL_SERVER_ENCODINGS')))
print('Logging:', 'False' if not test_logging else test_logging_filename, '- Log detail:', (get_detail_level_name(test_log_detail) if test_logging else 'None') + ' - Internal decoder: ', test_internal_decoder, ' - Response waiting timeout:', get_config_parameter('RESPONSE_WAITING_TIMEOUT'))
print()


def random_id():
    return str(SystemRandom().random())[-5:]


def generate_dn(base, batch_id, name):
    return test_name_attr + '=' + batch_id + name + ',' + base


def get_connection(bind=None,
                   use_ssl=None,
                   check_names=None,
                   lazy_connection=None,

def compare(self,
                dn,
                attribute,
                value,
                controls=None):
        """
        Perform a compare operation
        """
        conf_attributes_excluded_from_check = [v.lower() for v in get_config_parameter('ATTRIBUTES_EXCLUDED_FROM_CHECK')]

        if log_enabled(BASIC):
            log(BASIC, 'start COMPARE operation via <%s>', self)
        self.last_error = None
        if self.check_names:
            dn = safe_dn(dn)
            if log_enabled(EXTENDED):
                log(EXTENDED, 'dn sanitized to <%s> for COMPARE operation via <%s>', dn, self)

        if self.server and self.server.schema and self.check_names:
            if ';' in attribute:  # remove tags for checking
                attribute_name_to_check = attribute.split(';')[0]
            else:
                attribute_name_to_check = attribute

            if self.server.schema.attribute_types and attribute_name_to_check.lower() not in conf_attributes_excluded_from_check and attribute_name_to_check not in self.server.schema.attribute_types:

def validate_attribute_value(schema, name, value, auto_encode, validator=None, check_names=False):
    conf_classes_excluded_from_check = [v.lower() for v in get_config_parameter('CLASSES_EXCLUDED_FROM_CHECK')]
    conf_attributes_excluded_from_check = [v.lower() for v in get_config_parameter('ATTRIBUTES_EXCLUDED_FROM_CHECK')]
    conf_utf8_syntaxes = get_config_parameter('UTF8_ENCODED_SYNTAXES')
    conf_utf8_types = [v.lower() for v in get_config_parameter('UTF8_ENCODED_TYPES')]
    if schema and schema.attribute_types:
        if ';' in name:
            name = name.split(';')[0]
        if check_names and schema.object_classes and name.lower() == 'objectclass':
            if to_unicode(value).lower() not in conf_classes_excluded_from_check and to_unicode(value) not in schema.object_classes:
                raise LDAPObjectClassError('invalid class in objectClass attribute: ' + str(value))
        elif check_names and name not in schema.attribute_types and name.lower() not in conf_attributes_excluded_from_check:
            raise LDAPAttributeError('invalid attribute ' + name)
        else:  # try standard validators
            validator = find_attribute_validator(schema, name, validator)
            validated = validator(value)
            if validated is False:
                try:  # checks if the value is a byte value erroneously converted to a string (as "b'1234'"), this is a common case in Python 3 when encoding is not specified

def __init__(self, ldap_connection):
        BaseStrategy.__init__(self, ldap_connection)
        self.sync = True
        self.no_real_dsa = False
        self.pooled = False
        self.can_stream = False
        self.socket_size = get_config_parameter('SOCKET_SIZE')

def find_active_server(self, starting):
        conf_pool_timeout = get_config_parameter('POOLING_LOOP_TIMEOUT')
        counter = self.server_pool.active  # can be True for "forever" or the number of cycles to try
        if starting >= len(self.server_states):
            starting = 0

        while counter:
            if log_enabled(NETWORK):
                log(NETWORK, 'entering loop number <%s> for finding active server in pool <%s>', counter, self)
            index = -1
            pool_size = len(self.server_states)
            while index < pool_size - 1:
                index += 1
                offset = index + starting if index + starting < pool_size else index + starting - pool_size
                server_state = self.server_states[offset]
                if not server_state.available:  # server is offline
                    if (isinstance(self.server_pool.exhaust, bool) and self.server_pool.exhaust) or (datetime.now() - server_state.last_checked_time).seconds < self.server_pool.exhaust:  # keeps server offline
                        if log_enabled(NETWORK):

def get_response(self, message_id, timeout=None, get_request=False):
        """
        Get response LDAP messages
        Responses are returned by the underlying connection strategy
        Check if message_id LDAP message is still outstanding and wait for timeout to see if it appears in _get_response
        Result is stored in connection.result
        Responses without result is stored in connection.response
        A tuple (responses, result) is returned
        """
        conf_sleep_interval = get_config_parameter('RESPONSE_SLEEPTIME')
        if timeout is None:
            timeout = get_config_parameter('RESPONSE_WAITING_TIMEOUT')
        response = None
        result = None
        request = None
        if self._outstanding and message_id in self._outstanding:
            while timeout >= 0:  # waiting for completed message to appear in responses
                responses = self._get_response(message_id)
                if not responses:
                    sleep(conf_sleep_interval)
                    timeout -= conf_sleep_interval
                    continue

                if responses == SESSION_TERMINATED_BY_SERVER:
                    try:  # try to close the session but don't raise any error if server has already closed the session
                        self.close()

def to_unicode(obj, encoding=None, from_server=False):
    """Try to convert bytes (and str in python2) to unicode.
     Return object unmodified if python3 string, else raise an exception
    """
    conf_default_client_encoding = get_config_parameter('DEFAULT_CLIENT_ENCODING')
    conf_default_server_encoding = get_config_parameter('DEFAULT_SERVER_ENCODING')
    conf_additional_server_encodings = get_config_parameter('ADDITIONAL_SERVER_ENCODINGS')
    conf_additional_client_encodings = get_config_parameter('ADDITIONAL_CLIENT_ENCODINGS')
    if isinstance(obj, NUMERIC_TYPES):
        obj = str(obj)

    if isinstance(obj, (bytes, bytearray)):
        if from_server:  # data from server
            if encoding is None:
                encoding = conf_default_server_encoding
            try:
                return obj.decode(encoding)
            except UnicodeDecodeError:
                for encoding in conf_additional_server_encodings:  # AD could have DN not encoded in utf-8 (even if this is not allowed by RFC4510)
                    try:
                        return obj.decode(encoding)
                    except UnicodeDecodeError:
                        pass

def _get_attributes(self, response, attr_defs, entry):
        """Assign the result of the LDAP query to the Entry object dictionary.

        If the optional 'post_query' callable is present in the AttrDef it is called with each value of the attribute and the callable result is stored in the attribute.

        Returns the default value for missing attributes.
        If the 'dereference_dn' in AttrDef is a ObjectDef then the attribute values are treated as distinguished name and the relevant entry is retrieved and stored in the attribute value.

        """
        conf_operational_attribute_prefix = get_config_parameter('ABSTRACTION_OPERATIONAL_ATTRIBUTE_PREFIX')
        conf_attributes_excluded_from_object_def = [v.lower() for v in get_config_parameter('ATTRIBUTES_EXCLUDED_FROM_OBJECT_DEF')]
        attributes = CaseInsensitiveWithAliasDict()
        used_attribute_names = set()
        for attr in attr_defs:
            attr_def = attr_defs[attr]
            attribute_name = None
            for attr_name in response['attributes']:
                if attr_def.name.lower() == attr_name.lower():
                    attribute_name = attr_name
                    break

            if attribute_name or attr_def.default is not NotImplemented:  # attribute value found in result or default value present - NotImplemented allows use of None as default
                attribute = self.attribute_class(attr_def, entry, self)
                attribute.response = response
                attribute.raw_values = response['raw_attributes'][attribute_name] if attribute_name else None
                if attr_def.post_query and attr_def.name in response['attributes'] and response['raw_attributes'] != list():
                    attribute.values = attr_def.post_query(attr_def.key, response['attributes'][attribute_name])

if p is not None]
        if len(group_params) not in (0, 3):
            raise ValueError(
                "Incomplete LDAP groups configuration. "
                "To use Ldap groups, you need to specify the three "
                "parameters (groupName, groupMemberPattern and groupBase). ")

        self.groupName = groupName
        self.groupMemberPattern = groupMemberPattern
        self.groupBase = groupBase
        self.avatarPattern = avatarPattern
        self.avatarData = avatarData
        if accountExtraFields is None:
            accountExtraFields = []
        self.accountExtraFields = accountExtraFields
        self.ldap_encoding = ldap3.get_config_parameter('DEFAULT_SERVER_ENCODING')