# Source code for ibmcloud_python_sdk.vpc.key

    import json
    from ibmcloud_python_sdk.config import params
    from ibmcloud_python_sdk.auth import get_headers as headers
    from ibmcloud_python_sdk.utils.common import query_wrapper as qw
    from ibmcloud_python_sdk.utils.common import resource_not_found
    from ibmcloud_python_sdk.utils.common import resource_deleted
    from ibmcloud_python_sdk.utils.common import check_args
    from ibmcloud_python_sdk.resource import resource_group

    class Key():

        def __init__(self):
            self.cfg = params()
            self.rg = resource_group.ResourceGroup()

        def get_keys(self):
            """Retrieve key list

            :return: List of keys
            :rtype: list
            """
            try:
                # Connect to api endpoint for keys
                path = ("/v1/keys?version={}&generation={}".format(
                    self.cfg["version"], self.cfg["generation"]))

                # Return data
                return qw("iaas", "GET", path, headers())["data"]

            except Exception as error:
                print("Error fetching keys. {}".format(error))
                raise

        def get_key(self, key):
            """Retrieve specific key

            :param key: Key name or ID
            :type key: str
            :return: Key information
            :rtype: dict
            """
            by_name = self.get_key_by_name(key)
            if "errors" in by_name:
                for key_name in by_name["errors"]:
                    if key_name["code"] == "not_found":
                        by_id = self.get_key_by_id(key)
                        if "errors" in by_id:
                            return by_id
                        return by_id
                    else:
                        return by_name
            else:
                return by_name

        def get_key_by_id(self, id):
            """Retrieve specific key by ID

            :param id: Key ID
            :type id: str
            :return: Key information
            :rtype: dict
            """
            try:
                # Connect to api endpoint for keys
                path = ("/v1/keys/{}?version={}&generation={}".format(
                    id, self.cfg["version"], self.cfg["generation"]))

                # Return data
                return qw("iaas", "GET", path, headers())["data"]

            except Exception as error:
                print("Error fetching key with ID {}. {}".format(id, error))
                raise

        def get_key_by_name(self, name):
            """Retrieve specific key by name

            :param name: Key name
            :type name: str
            :return: Key information
            :rtype: dict
            """
            try:
                # Retrieve keys
                data = self.get_keys()
                if "errors" in data:
                    return data

                # Loop over keys until filter match
                for key in data["keys"]:
                    if key["name"] == name:
                        # Return data
                        return key

                # Return error if no key is found
                return resource_not_found()

            except Exception as error:
                print("Error fetching key with name {}. {}".format(name, error))
                raise

        def create_key(self, **kwargs):
            """Create key

            :param name: The unique user-defined name for this key
            :type name: str, optional
            :param resource_group: The resource group to use
            :type resource_group: str, optional
            :param public_key: A unique public SSH key to import, encoded in PEM
                format
            :type public_key: str
            :param type: The cryptosystem used by this key
            :type type: str, optional
            """
            args = ["public_key"]
            check_args(args, **kwargs)

            # Build dict of argument and assign default value when needed
            args = {
                'name': kwargs.get('name'),
                'public_key': kwargs.get('public_key'),
                'resource_group': kwargs.get('resource_group'),
                'type': kwargs.get('type', 'rsa'),
            }

            # Construct payload
            payload = {}
            for key, value in args.items():
                if value is not None:
                    if key == "resource_group":
                        rg_info = self.rg.get_resource_group(
                            args["resource_group"])
                        if "errors" in rg_info:
                            return rg_info
                        payload["resource_group"] = {"id": rg_info["id"]}
                    else:
                        payload[key] = value

            try:
                # Connect to api endpoint for keys
                path = ("/v1/keys?version={}&generation={}".format(
                    self.cfg["version"], self.cfg["generation"]))

                # Return data
                return qw("iaas", "POST", path, headers(),
                          json.dumps(payload))["data"]

            except Exception as error:
                print("Error creating key. {}".format(error))
                raise

        def delete_key(self, key):
            """Delete key

            :param key: Key name or ID
            :type key: str
            :return: Delete status
            :rtype: dict
            """
            try:
                # Check if key exists
                key_info = self.get_key(key)
                if "errors" in key_info:
                    return key_info

                # Connect to api endpoint for keys
                path = ("/v1/keys/{}?version={}&generation={}".format(
                    key_info["id"], self.cfg["version"], self.cfg["generation"]))

                data = qw("iaas", "DELETE", path, headers())

                # Return data
                if data["response"].status != 204:
                    return data["data"]

                # Return status
                return resource_deleted()

            except Exception as error:
                print("Error deleting key {}. {}".format(key, error))
                raise