Made the version comparison a little more robust

shared/workspaces/workspaces/system/services/casa_matrix_service.py

@@ -45,6 +45,8 @@ CASA_VERSION_REGEX = r"[a-zA-Z\-]+([\d]+(\.[\d]+){2}(-[\d]+){0,1}).*"
 PIPELINE_VERSION_REGEX = r".*([\d]{4}(\.[\d]+){3}).*"
 EL_SUFFIX_REGEX = r"[\.\-]el[0-9]+$"
 IGNORE_REGEX = r"\.|\-"
+DEFAULT_CV = "unknown"
+DEFAULT_PV = "default"
 
 
 def casa_version_from_path(path: str) -> str:
@@ -57,7 +59,7 @@ def casa_version_from_path(path: str) -> str:
     """
 
     # Defaults
-    casa_version, pipeline_version = "unknown", "default"
+    casa_version, pipeline_version = DEFAULT_CV, DEFAULT_PV
 
     cv_search = re.search(CASA_VERSION_REGEX, path)
 
@@ -103,15 +105,17 @@ def versions_match(req_v: str, dir_v: str) -> bool:
     :param dir_v: Version coming from a directory path
     :return: True if the CASA+pipeline versions match
     """
-    req_cv, req_pv = req_v.split("|")
-    dir_cv, dir_pv = dir_v.split("|")
+    req_cv = req_v.split("|")[0]
+    dir_cv = dir_v.split("|")[0]
+    req_pv = req_v.split("|")[1] if "|" in req_v else DEFAULT_PV
+    dir_pv = dir_v.split("|")[1] if "|" in dir_v else DEFAULT_PV
 
     # Ignore comparing '.' and '-' characters because they like to be used interchangeably
     req_cv = re.sub(IGNORE_REGEX, "", req_cv)
     dir_cv = re.sub(IGNORE_REGEX, "", dir_cv)
 
     # Ignore comparing pipeline versions if they don't exist in the installed version's name
-    return req_cv == dir_cv and (dir_pv == "default" or req_pv == dir_pv)
+    return req_cv == dir_cv and (dir_pv == DEFAULT_PV or req_pv == dir_pv)
 
 
 class CasaMatrixService(CasaMatrixServiceIF):