+def check_juju_bundle_existence(vnfd: dict) -> str:
+ """Checks the existence of juju-bundle in the descriptor
+
+ Args:
+ vnfd: Descriptor as a dictionary
+
+ Returns:
+ Juju bundle if dictionary has juju-bundle else None
+
+ """
+ if vnfd.get("vnfd"):
+ vnfd = vnfd["vnfd"]
+
+ for kdu in vnfd.get("kdu", []):
+ return kdu.get("juju-bundle", None)
+
+
+def get_charm_artifact_path(base_folder, charm_name, charm_type, revision=str()) -> str:
+ """Finds the charm artifact paths
+
+ Args:
+ base_folder: Main folder which will be looked up for charm
+ charm_name: Charm name
+ charm_type: Type of charm native_charm, lxc_proxy_charm or k8s_proxy_charm
+ revision: vnf package revision number if there is
+
+ Returns:
+ artifact_path: (str)
+
+ """
+ extension = ""
+ if revision:
+ extension = ":" + str(revision)
+
+ if base_folder.get("pkg-dir"):
+ artifact_path = "{}/{}/{}/{}".format(
+ base_folder["folder"] + extension,
+ base_folder["pkg-dir"],
+ "charms"
+ if charm_type in ("native_charm", "lxc_proxy_charm", "k8s_proxy_charm")
+ else "helm-charts",
+ charm_name,
+ )
+
+ else:
+ # For SOL004 packages
+ artifact_path = "{}/Scripts/{}/{}".format(
+ base_folder["folder"] + extension,
+ "charms"
+ if charm_type in ("native_charm", "lxc_proxy_charm", "k8s_proxy_charm")
+ else "helm-charts",
+ charm_name,
+ )
+
+ return artifact_path
+
+