ENH: Debugging for yaml parser: Add __line__ to datamodel.

src/caosadvancedtools/models/parser.py

@@ -140,7 +140,7 @@ class JsonSchemaDefinitionError(RuntimeError):
         super().__init__(msg)
 
 
-def parse_model_from_yaml(filename, existing_model: Optional[dict] = None):
+def parse_model_from_yaml(filename, existing_model: Optional[dict] = None, debug: bool = False):
     """Parse a data model from a YAML file.
 
 This is a convenience function if the Parser object is not needed, it calls
@@ -152,13 +152,16 @@ Parameters
 
 existing_model : dict, optional
   An existing model to which the created model shall be added.
+
+debug : bool, optional
+  If True, turn on miscellaneous debugging.  Default is False.
     """
-    parser = Parser()
+    parser = Parser(debug=debug)
 
     return parser.parse_model_from_yaml(filename, existing_model=existing_model)
 
 
-def parse_model_from_string(string, existing_model: Optional[dict] = None):
+def parse_model_from_string(string, existing_model: Optional[dict] = None, debug: bool = False):
     """Parse a data model from a YAML string
 
 This is a convenience function if the Parser object is not needed, it calls
@@ -169,8 +172,11 @@ Parameters
 
 existing_model : dict, optional
   An existing model to which the created model shall be added.
+
+debug : bool, optional
+  If True, turn on miscellaneous debugging.  Default is False.
     """
-    parser = Parser()
+    parser = Parser(debug=debug)
 
     return parser.parse_model_from_string(string, existing_model=existing_model)
 
@@ -232,13 +238,20 @@ def parse_model_from_json_schema(
 
 
 class Parser(object):
-    def __init__(self):
+    def __init__(self, debug: bool = False):
         """Initialize an empty parser object and initialize the dictionary of entities and the list of
         treated elements.
 
+Parameters
+----------
+
+debug : bool, optional
+  If True, turn on miscellaneous debugging.  Default is False.
+
         """
         self.model = {}
         self.treated = []
+        self.debug = debug
 
     def parse_model_from_yaml(self, filename, existing_model: Optional[dict] = None):
         """Create and return a data model from the given file.
@@ -450,6 +463,9 @@ class Parser(object):
                         raise YamlDefinitionError(line) from None
                     raise
 
+        if self.debug and self.model[name] is not None:
+            self.model[name].__line__ = definition["__line__"]
+
     def _add_to_recordtype(self, ent_name, props, importance):
         """Add properties to a RecordType.
 
@@ -624,9 +640,13 @@ class Parser(object):
                 dtype = value.datatype
                 is_list = False
 
-                if _get_listdatatype(value.datatype) is not None:
-                    dtype = _get_listdatatype(value.datatype)
-                    is_list = True
+                try:
+                    if _get_listdatatype(value.datatype) is not None:
+                        dtype = _get_listdatatype(value.datatype)
+                        is_list = True
+                except TypeError as err:
+                    err.args = (*err.args, f"yaml line: {value.__dict__.get('__line__')}")
+                    raise(err)
 
                 if dtype in self.model:
                     if is_list: