Make VersionedProperty errors i18n

pozo/drawable.py

@@ -2,13 +2,13 @@
 import pozo.themes as pzt
 import warnings
 
-from pozo.utils.language import _d
+from pozo.utils.language import _d, _
 from pozo.utils.docs import doc
 # VersionProperty is a python "descriptor", it allows us to create class variables but define how they behave when they are set, accessed, and declared. See drawable for how to use it.
 class VersionedProperty:
     def __set_name__(self, owner, name):
         if type(owner) != str(Drawable):
-            raise AttributeError(f"{name} must be a member of a class inheriting pozo.drawable.Drawable, not {owner}. Is type {type(owner)}.")
+            raise AttributeError(_("%s must be a member of a class inheriting pozo.drawable.Drawable, not %s. Is type %s.") % (name, owner, str(type(owner))))
         self._private_name = "_" + name
         self._name = name
 
@@ -17,7 +17,7 @@ def __get_certain__(self, obj, version):
 
     def __get__(self, obj, objtype=None):
         if obj is None:
-            return AttributeError(f"{self._name} can only be accessed from instantiated ojects, not classes")
+            return AttributeError(_("%s can only be accessed from instantiated ojects, not classes") % self._name)
         return getattr(obj, self._private_name)[obj.version]
 
     def __set__(self, obj, value):
@@ -30,7 +30,7 @@ def __set__(self, obj, value):
             temp[obj.version] = value
 
     def __delete__(self, obj):
-        raise AttributeError(f"Can't delete {self._name}, please use {obj.__name__}.remove_version().")
+        raise AttributeError(_("Can't delete %s, please use %s.remove_version().") % (self._name, obj.__name__))
 
     def new_version(self, obj, copy=True, deep=True, index=-1):
         if deep: copy = False
@@ -47,7 +47,7 @@ def new_version(self, obj, copy=True, deep=True, index=-1):
         else:
             temp.insert(index, None)
             if deep or copy:
-                warnings.warn(f"{self._name} was asked for a copy but it contains no native .copy() method, new version is None")
+                warnings.warn(_("%s was asked for a copy but it contains no native .copy() method, new version is None") % self._name)
 
     def remove_version(self, obj, version):
         temp = getattr(obj, self._private_name, None)