!24255 _make_directory master 0927

Merge pull request !24255 from mindspore_ding/mkdir_master_0924

mindspore/log.py

@@ -18,6 +18,7 @@ log module
 import warnings
 import sys
 import os
+import re
 import stat
 import time
 import logging
@@ -271,6 +272,38 @@ def _get_env_config():
             config_dict[key] = value.strip()
     return config_dict
 
+def _check_directory_by_regular(target, reg=None, flag=re.ASCII, prim_name=None):
+    """Check whether directory is legitimate."""
+    if not isinstance(target, str):
+        raise ValueError("Args directory {} must be string, please check it".format(target))
+    if reg is None:
+        reg = r"^[\/0-9a-zA-Z\_\-\.\:\\]+$"
+    if re.match(reg, target, flag) is None:
+        prim_name = f'in `{prim_name}`' if prim_name else ""
+        raise ValueError("'{}' {} is illegal, it should be match regular'{}' by flags'{}'".format(
+            target, prim_name, reg, flag))
+
+
+def _make_directory(path: str):
+
+    """Make directory."""
+    if path is None or not isinstance(path, str) or path.strip() == "":
+        raise TypeError("Input path '{}' is invalid type".format(path))
+
+    path = os.path.realpath(path)
+    _check_directory_by_regular(path)
+    if os.path.exists(path):
+        real_path = path
+    else:
+        try:
+            permissions = os.R_OK | os.W_OK | os.X_OK
+            os.umask(permissions << 3 | permissions)
+            mode = permissions << 6
+            os.makedirs(path, mode=mode, exist_ok=True)
+            real_path = path
+        except PermissionError:
+            raise TypeError("No write permission on the directory `{path}`.")
+    return real_path
 
 def _verify_config(kwargs):
 
@@ -313,7 +346,7 @@ def _verify_config(kwargs):
         if console == _std_off and file_path is not None:
             file_real_path = os.path.realpath(file_path)
             if not os.path.exists(file_real_path):
-                os.makedirs(file_real_path, exist_ok=True)
+                _make_directory(file_real_path)
         # Check the input value of maxBytes
         max_bytes = kwargs.get('maxBytes', None)
         if console == _std_off and max_bytes is not None: