virt-manager: prefer os.makedirs to os.mkdir when creating cache dir

Ensure the parent directories exist when attempting to create the
cache directory.

Closes: https://bugzilla.redhat.com/show_bug.cgi?id=1016435

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>

virtManager/connection.py

@@ -316,7 +316,7 @@ class vmmConnection(vmmGObject):
         uri = self.get_uri().replace("/", "_")
         ret = os.path.join(util.get_cache_dir(), uri)
         if not os.path.exists(ret):
-            os.mkdir(ret, 755)
+            os.makedirs(ret, 0755)
         return ret
 
     def get_default_storage_format(self):

virtManager/domain.py

@@ -1649,7 +1649,7 @@ class vmmDomain(vmmLibvirtObject):
     def get_cache_dir(self):
         ret = os.path.join(self.conn.get_cache_dir(), self.get_uuid())
         if not os.path.exists(ret):
-            os.mkdir(ret, 0755)
+            os.makedirs(ret, 0755)
         return ret
 
 

virtinst/cli.py

@@ -155,7 +155,7 @@ def setupLogging(appname, debug_stdout, do_quiet, cli_app=True):
             raise RuntimeError("No write access to directory %s" % vi_dir)
 
         try:
-            os.mkdir(vi_dir, 0751)
+            os.makedirs(vi_dir, 0751)
         except IOError, e:
             raise RuntimeError("Could not create directory %s: %s" %
                                (vi_dir, e))