Replaced opener with custom opener helper method

Refer to https://github.com/rhinstaller/anaconda/pull/5375/files#r1428017733

Signed-off-by: fazledyn-or <[email protected]>

pyanaconda/anaconda.py

@@ -27,6 +27,7 @@
 from pyanaconda.core import constants
 from pyanaconda.core.startup.dbus_launcher import AnacondaDBusLauncher
 from pyanaconda.core.kernel import kernel_arguments
+from pyanaconda.core.path import open_with_perm
 from pyanaconda.modules.common.constants.services import PAYLOADS
 from pyanaconda.ui.lib.addons import collect_addon_ui_paths
 
@@ -191,11 +192,8 @@ def dumpState(self):
         os.write(fd, dump_text_bytes)
         os.close(fd)
 
-        def opener(path, flags):
-            return os.open(path, flags, 0o600)
-
         # append to a given file
-        with open("/tmp/anaconda-tb-all.log", "a+", opener=opener) as f:
+        with open_with_perm("/tmp/anaconda-tb-all.log", "a+", 0o600) as f:
             f.write("--- traceback: %s ---\n" % filename)
             f.write(dump_text + "\n")