move utility function to utils

paddle_hub/module.py

@@ -30,7 +30,7 @@ from paddle_hub.downloader import download_and_uncompress
 from paddle_hub import module_desc_pb2
 from paddle_hub.logger import logger
 from paddle_hub.signature import Signature
-from paddle_hub.utils import to_list, get_variable_info
+from paddle_hub.utils import to_list, get_variable_info, mkdir
 from paddle_hub.version import __version__
 
 __all__ = ["Module", "ModuleConfig", "ModuleUtils"]
@@ -47,13 +47,6 @@ MODULE_DESC_PBNAME = "module_desc.pb"
 HUB_VAR_PREFIX = "@HUB@"
 
 
-def mkdir(path):
-    """ the same as the shell command mkdir -p "
-    """
-    if not os.path.exists(path):
-        os.makedirs(path)
-
-
 class Module(object):
     """
     Core object of PaddleHub

paddle_hub/utils.py

@@ -53,3 +53,10 @@ def get_variable_info(var):
         var_info['persistable'] = var.persistable
 
     return var_info
+
+
+def mkdir(path):
+    """ the same as the shell command mkdir -p "
+    """
+    if not os.path.exists(path):
+        os.makedirs(path)