ENH: refactored checking of extern and allow other entity types

src/caosadvancedtools/models/parser.py

@@ -25,7 +25,7 @@ import yaml
 from .data_model import DataModel
 
 # Keywords which are allowed in data model descriptions.
-KEYWORDS = ["parent",
+KEYWORDS = ["parent",  # TODO: can we remove that, see: #36
             "importance",
             "datatype",  # for example TEXT, INTEGER or REFERENCE
             "unit",
@@ -177,13 +177,11 @@ class Parser(object):
             ymlmodel["extern"] = []
 
         for name in ymlmodel["extern"]:
-            if db.execute_query("COUNT Property {}".format(name)) > 0:
-                self.model[name] = db.execute_query(
-                    "FIND Property WITH name={}".format(name), unique=True)
-
-            elif db.execute_query("COUNT RecordType {}".format(name)) > 0:
-                self.model[name] = db.execute_query(
-                    "FIND RecordType WITH name={}".format(name), unique=True)
+            for role in ("Property", "RecordType", "Record", "File"):
+                if db.execute_query("COUNT {} {}".format(role, name)) > 0:
+                    self.model[name] = db.execute_query(
+                        "FIND {} WITH name={}".format(role, name), unique=True)
+                    break
             else:
                 raise Exception("Did not find {}".format(name))