one unique source could create 2 templates

src/rougail/annotator.py

@@ -265,15 +265,17 @@ class ServiceAnnotator:
                    name,
                    path,
                    ):
-            family = self.objectspace.family()
-            family.name = normalize_family(name)
-            family.doc = name
-            family.mode = None
-            self.objectspace.paths.add_family('services',
-                                              path,
-                                              family,
-                                              )
-            return family
+        if self.objectspace.paths.family_is_defined(path):
+            return self.objectspace.paths.get_family_obj(path)
+        family = self.objectspace.family()
+        family.name = normalize_family(name)
+        family.doc = name
+        family.mode = None
+        self.objectspace.paths.add_family('services',
+                                          path,
+                                          family,
+                                          )
+        return family
 
     def make_group_from_elts(self,
                              service_name,
@@ -301,11 +303,18 @@ class ServiceAnnotator:
                                           service_name,
                                           )
 
-            if hasattr(elt, 'source'):
-                c_name = elt.source
-            else:
-                c_name = elt.name
-            subpath = '{}.{}'.format(path, c_name)
+            idx = 0
+            while True:
+                if hasattr(elt, 'source'):
+                    c_name = elt.source
+                else:
+                    c_name = elt.name
+                if idx:
+                    c_name += f'_{idx}'
+                subpath = '{}.{}'.format(path, c_name)
+                if not self.objectspace.paths.family_is_defined(subpath):
+                    break
+                idx += 1
             family = self.gen_family(c_name, subpath)
             family.variable = []
             listname = '{}list'.format(name)

src/rougail/objspace.py

@@ -522,7 +522,6 @@ class CreoleObjSpace:
         SpaceAnnotator(self, eosfunc_file)
 
     def save(self,
-             filename,
              ):
         tiramisu_objects = TiramisuReflector(self.space,
                                              self.funcs_path,

src/rougail/path.py

@@ -26,6 +26,8 @@ class Path:
             self.full_paths[name] = full_name
         else:
             full_name = name
+        if full_name in self.families and self.families[full_name]['variableobj'] != variableobj:
+            raise DictConsistencyError(_(f'Duplicate family name {name}'))
         self.families[full_name] = dict(name=name,
                                         namespace=namespace,
                                         variableobj=variableobj,
@@ -60,6 +62,13 @@ class Path:
         dico = self.families[name]
         return dico['variableobj']
 
+    def family_is_defined(self,
+                        name: str,
+                        ) -> str:  # pylint: disable=C0111
+        if '.' not in name and name not in self.families and name in self.full_paths:
+            return True
+        return name in self.families
+
     # Leadership
     def set_leader(self,
                    namespace: str,