[processing] don't use scandir() to get directory contents (fix #18180)

python/plugins/processing/script/ScriptAlgorithmProvider.py

@@ -99,11 +99,14 @@ def loadAlgorithms(self):
         self.algs = []
         folders = ScriptUtils.scriptsFolders()
         for folder in folders:
-            items = os.scandir(folder)
+            items = [f for f in os.listdir(folder) if os.path.isfile(os.path.join(folder, f))]
+            #items = os.scandir(folder)
             for entry in items:
-                if entry.name.lower().endswith(".py") and entry.is_file():
-                    moduleName = os.path.splitext(entry.name)[0]
-                    filePath = os.path.abspath(os.path.join(folder, entry.name))
+                if entry.lower().endswith(".py"):
+                #if entry.name.lower().endswith(".py") and entry.is_file():
+                    #moduleName = os.path.splitext(entry.name)[0]
+                    moduleName = os.path.splitext(os.path.basename(entry))[0]
+                    filePath = os.path.abspath(os.path.join(folder, entry))
                     alg = ScriptUtils.loadAlgorithm(moduleName, filePath)
                     if alg is not None:
                         self.algs.append(alg)