fixed #18 : I can evaluate concept

src/services/SheerkaConceptManager.py

@@ -10,7 +10,7 @@ from common.utils import get_logger_name, unstr_concept
 from core.BuiltinConcepts import BuiltinConcepts
 from core.ExecutionContext import ExecutionContext
 from core.ReturnValue import ReturnValue
-from core.concept import Concept, ConceptMetadata, ConceptDefaultPropsAttrs, DefinitionType
+from core.concept import Concept, ConceptDefaultPropsAttrs, ConceptMetadata, DefinitionType
 from core.error import ErrorContext, SheerkaException
 from parsers.tokenizer import TokenKind, Tokenizer, strip_tokens
 from services.BaseService import BaseService
@@ -105,6 +105,9 @@ class ConceptManager(BaseService):
             _(4, BuiltinConcepts.USER_INPUT, desc="Any external input", variables=("command",))
             _(5, BuiltinConcepts.PARSER_INPUT, desc="tokenized input", variables=("pi",))
             _(6, BuiltinConcepts.PYTHON_CODE, desc="python code", variables=("pf",))  # pf for PythonFragment
+            _(7, BuiltinConcepts.INVALID_CONCEPT, desc="invalid concept", variables=("concept_id", "reason"))
+            _(8, BuiltinConcepts.EVALUATION_ERROR, desc="evaluation error", variables=("concept", "reason"))
+
 
             self.init_log.debug('%s builtin concepts created',
                                 len(self.sheerka.om.current_cache_manager().concept_caches))
@@ -237,8 +240,11 @@ class ConceptManager(BaseService):
         :return:
         :rtype:
         """
-        if isinstance(identifier, ConceptMetadata):
-            return self._inner_new(identifier, **kwargs)
+        if isinstance(identifier, (ConceptMetadata, Concept)):
+            return self._inner_new(identifier.get_metadata(), **kwargs)
+
+        if isinstance(identifier, list):
+            return [self.new(item, **kwargs) for item in identifier]
 
         if (tmp := unstr_concept(identifier)) != (None, None):
             # manage c:name#id:
@@ -380,4 +386,9 @@ class ConceptManager(BaseService):
         concept = Concept(_metadata_def)
         for k, v in kwargs.items():
             concept.set_value(k, v)
+
+        if kwargs:
+            # if an attribute is set, the concept is considered as evaluated
+            concept.get_runtime_info().is_evaluated = True
+
         return concept