Merge pull request #1130 from nipy/enh/add_mkdir_p

Enh/add mkdir p closes #1127

Author: satra

nipype/utils/config.py

@@ -13,6 +13,7 @@
 from json import load, dump
 import os
 import shutil
+import errno
 from StringIO import StringIO
 from warnings import warn
 
@@ -55,15 +56,25 @@
 interval = 1209600
 """ % (homedir, os.getcwd())
 
+
+def mkdir_p(path):
+    try:
+        os.makedirs(path)
+    except OSError as exc:
+        if exc.errno == errno.EEXIST and os.path.isdir(path):
+            pass
+        else:
+            raise
+
+
 class NipypeConfig(object):
     """Base nipype config class
     """
 
     def __init__(self, *args, **kwargs):
         self._config = ConfigParser.ConfigParser()
         config_dir = os.path.expanduser('~/.nipype')
-        if not os.path.exists(config_dir):
-            os.makedirs(config_dir)
+        mkdir_p(config_dir)
         old_config_file = os.path.expanduser('~/.nipype.cfg')
         new_config_file = os.path.join(config_dir, 'nipype.cfg')
         # To be deprecated in two releases

nipype/utils/filemanip.py

@@ -18,6 +18,7 @@
 
 from ..interfaces.traits_extension import isdefined
 from .misc import is_container
+from .config import mkdir_p
 
 from .. import logging, config
 fmlogger = logging.getLogger("filemanip")