Fix tests to write files to temp directory.

Fix bug where some files weren't being closed.

1 files changed, 6 insertions, 4 deletions

diff --git a/argparse.py b/argparse.py
index fd8e4d2..4ae1c89 100644
--- a/argparse.py
+++ b/argparse.py
@@ -1800,10 +1800,12 @@ class ArgumentParser(_AttributeHolder, _ActionsContainer):
             else:

                 try:

                     args_file = open(arg_string[1:])

-                    arg_strings = args_file.read().splitlines()

-                    arg_strings = self._read_args_from_files(arg_strings)

-                    new_arg_strings.extend(arg_strings)

-                    args_file.close()

+                    try:

+                        arg_strings = args_file.read().splitlines()

+                        arg_strings = self._read_args_from_files(arg_strings)

+                        new_arg_strings.extend(arg_strings)

+                    finally:

+                        args_file.close()

                 except IOError:

                     err = _sys.exc_info()[1]

                     self.error(str(err))