use move replace rename

os.rename only works if source and destination are on the same file system, when use cosfs, the source and destination will not on the same file system, use move instead.

biliup/engine/upload.py

@@ -47,7 +47,7 @@ class UploadBase:
             return False
         for f in file_list:
             if f.endswith('.part'):
-                os.rename(f, os.path.splitext(f)[0])
+                shutil.move(f, os.path.splitext(f)[0])
                 logger.info('%s存在已更名' % f)
         return True