RF: DICOMConvert - use the same (basename of) python as of the host process

May be basename is not desired? but it might not exist exactly the
same on execution box, so decided to go with basename

Author: yarikoptic

nipype/interfaces/freesurfer/preprocess.py

@@ -7,6 +7,7 @@
 import os.path as op
 from glob import glob
 import shutil
+import sys
 
 import numpy as np
 from nibabel import load
@@ -726,7 +727,7 @@ def cmdline(self):
         outdir = self._get_outdir()
         cmd = []
         if not os.path.exists(outdir):
-            cmdstr = "python -c \"import os; os.makedirs('%s')\"" % outdir
+            cmdstr = "%s -c \"import os; os.makedirs('%s')\"" % (op.basename(sys.executable), outdir)
             cmd.extend([cmdstr])
         infofile = os.path.join(outdir, "shortinfo.txt")
         if not os.path.exists(infofile):