pybind/mgr: check if file contains only spaces

Signed-off-by: Varsha Rao <varao@redhat.com>

diff --git a/src/pybind/mgr/mgr_module.py b/src/pybind/mgr/mgr_module.py
index 07ed288199eaaec4bd06812b540989f11522b846..8ca80b6794df28c5f664a010a16acd82404018d3 100644 (file)
--- a/src/pybind/mgr/mgr_module.py
+++ b/src/pybind/mgr/mgr_module.py
@@ -417,7 +417,7 @@ def CLICheckNonemptyFileInput(func: HandlerFuncType) -> HandlerFuncType:
         if isinstance(kwargs['inbuf'], str):
             # Delete new line separator at EOF (it may have been added by a text editor).
             kwargs['inbuf'] = kwargs['inbuf'].rstrip('\r\n').rstrip('\n')
-        if not kwargs['inbuf']:
+        if not kwargs['inbuf'] or not kwargs['inbuf'].strip():
             return -errno.EINVAL, '', ERROR_MSG_EMPTY_INPUT_FILE
         return func(*args, **kwargs)
     check.__signature__ = inspect.signature(func)  # type: ignore[attr-defined]