Prevent loading of duplicate nentry points

Author: rnixx

CHANGES.rst

@@ -5,6 +5,9 @@ History
 3.1.2 (unreleased)
 ------------------
 
+- Prevent loading of duplicate entry points.
+  [rnix]
+
 - Introduce ``empty_display_value`` widget property. Select display renderer
   uses it if vocabulary not contains value.
   [lenadax]

src/yafowil/utils.py

@@ -70,6 +70,9 @@ def get_plugins(ns=None):
     if _yafowil_plugins is None:
         _yafowil_plugins = list()
         for ep in iter_entry_points('yafowil.plugin'):
+            # prevent loading of duplicate entry points
+            if not ep.module_name.startswith(ep.dist.project_name):
+                continue
             cb = ep.load()
             _yafowil_plugins.append((ep, cb))
         _yafowil_plugins = sorted(