Set BASE_DIR to sys path also

sunaley · him0116 · commit 94e40590294d · 2025-09-17T15:24:41.000+08:00
diff --git a/src/dotenv/main.py b/src/dotenv/main.py
@@ -107,7 +107,10 @@ def set_as_environment_variables(self) -> bool:
             if k in os.environ and not self.override:
                 continue
             if v is not None:
-                os.environ[k] = v
+                os.environ[to_env(k)] = to_env(v)
+                if to_env(k) == 'BASE_DIR' and to_env(v) not in sys.path:
+                    logger.info('Append BASE_DIR to path.')
+                    sys.path.append(to_env(v))
 
         return True
 
