src/rougail/object_model.py

@@ -332,6 +332,7 @@ class JinjaCalculation(Calculation):
                 }
                 if self.version != "1.0":
                     default["params"][true_path]["propertyerror"] = False
+                    default["params"][true_path]["optional"] = True
                 if identifier:
                     default["params"][true_path]["identifier"] = identifier
         return default
@@ -441,6 +442,8 @@ class _VariableCalculation(Calculation):
             "variable": variable,
             "propertyerror": self.propertyerror,
         }
+        if isinstance(self, VariableCalculation) and self.optional:
+            param["optional"] = self.optional
         if identifier:
             param["identifier"] = identifier
         params = {None: [param]}
@@ -490,6 +493,12 @@ class _VariableCalculation(Calculation):
                 raise DictConsistencyError(msg, 21, self.xmlfiles)
             else:
                 params[None][0]["index"] = {"index": {"type": "index"}}
+        if self.path in objectspace.followers:
+            multi = objectspace.multis[self.path] == "submulti"
+        else:
+            multi = self.path in objectspace.multis
+        if multi:
+            params["__internal_multi"] = True
         return params
 
 
@@ -519,7 +528,8 @@ class VariableCalculation(_VariableCalculation):
 
 
 class VariablePropertyCalculation(_VariableCalculation):
-    attribute_name: Literal[*PROPERTY_ATTRIBUTE]
+    # For python 3.9 attribute_name: Literal[*PROPERTY_ATTRIBUTE]
+    attribute_name: Literal["frozen", "hidden", "disabled", "mandatory"]
     when: Any = undefined
     when_not: Any = undefined
 
@@ -640,7 +650,8 @@ class IdentifierCalculation(_IdentifierCalculation):
 
 
 class IdentifierPropertyCalculation(_IdentifierCalculation):
-    attribute_name: Literal[*PROPERTY_ATTRIBUTE]
+    # for python 3.9 attribute_name: Literal[*PROPERTY_ATTRIBUTE]
+    attribute_name: Literal["frozen", "hidden", "disabled", "mandatory"]
     when: Any = undefined
     when_not: Any = undefined
 

src/rougail/tiramisu.py

@@ -27,10 +27,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 from typing import Any
 
-try:
-    from tiramisu5 import DynOptionDescription, calc_value
-except ModuleNotFoundError:
-    from tiramisu import DynOptionDescription, calc_value
 from importlib.machinery import SourceFileLoader as _SourceFileLoader
 from importlib.util import (
     spec_from_loader as _spec_from_loader,
@@ -40,8 +36,8 @@ from jinja2 import StrictUndefined, DictLoader
 from jinja2.sandbox import SandboxedEnvironment
 from rougail.object_model import CONVERT_OPTION
 from rougail.error import display_xmlfiles
-from tiramisu import function_waiting_for_error
+from tiramisu import DynOptionDescription, calc_value, function_waiting_for_error
-from tiramisu.error import ValueWarning, ConfigError, PropertiesOptionError
+from tiramisu.error import ValueWarning, ConfigError, PropertiesOptionError, CancelParam
 from .utils import normalize_family
 
 
@@ -102,8 +98,10 @@ def load_functions(path):
         func[function] = getattr(func_, function)
 
 
-def rougail_calc_value(*args, __default_value=None, **kwargs):
+def rougail_calc_value(*args, __default_value=None, __internal_multi=False, **kwargs):
     values = calc_value(*args, **kwargs)
+    if values is None and __internal_multi:
+        values = []
     if __default_value is not None and values in [None, []]:
         return __default_value
     return values
@@ -128,9 +126,13 @@ def jinja_to_function(
         if "." in key:
             c_kw = kw
             path, var = key.rsplit(".", 1)
+            if isinstance(value, CancelParam):
+                count_o_path = value.origin_path.count('.') - value.current_path.count('.')
+                path = path.rsplit(".", count_o_path)[0]
             for subkey in path.split("."):
                 c_kw = c_kw.setdefault(subkey, {})
-            c_kw[var] = value
+            if not isinstance(value, CancelParam):
+                c_kw[var] = value
         else:
             if key in kw:
                 raise ConfigError(

src/rougail/tiramisureflector.py

@@ -339,6 +339,7 @@ class Common:
             return self.build_option_param(
                 param["variable"],
                 param.get("propertyerror", True),
+                param.get("optional", False),
                 param.get("identifier"),
                 param.get("dynamic"),
                 param.get("whole", False),
@@ -355,6 +356,7 @@ class Common:
         self,
         variable,
         propertyerror,
+        optional: bool,
         identifier: Optional[str],
         dynamic,
         whole: bool,
@@ -377,6 +379,8 @@ class Common:
                     ident = self.convert_str(ident)
                 identifiers.append(str(ident))
             params.append("[" + ", ".join(identifiers) + "]")
+            if optional:
+                params.append("optional=True")
         else:
             param_type = "ParamOption"
         if not propertyerror: