Minor issue

rocon_python_utils/src/rocon_python_utils/ros/__init__.py

@@ -11,4 +11,4 @@
 from .resources import find_resource, find_resource_from_string, resource_index_from_package_exports
 from .icons import *
 from .names import get_ros_friendly_name, check_extension_name
-from .paths import get_rocon_home
+from .fileio import get_rocon_home, is_validation_file

rocon_python_utils/src/rocon_python_utils/ros/paths.py → rocon_python_utils/src/rocon_python_utils/ros/fileio.py

@@ -42,4 +42,20 @@ def get_rocon_home():
     rocon_home = os.path.join(rospkg.get_ros_home(), 'rocon')
     if not os.path.isdir(rocon_home):
         os.makedirs(rocon_home)
-    return os.path.join(rospkg.get_ros_home(), 'rocon')
+    return os.path.join(rospkg.get_ros_home(), 'rocon')
+
+def is_validation_file(file_path):
+  '''
+  Investigate whether file is validated or not as checking file existed in path and file size
+
+  :param file_path: full file path to check
+  :type file_path: string
+
+  :return: validation of file
+  :rtype: bool
+  '''
+  is_validated = True
+  if not os.path.isfile(file_path) or os.stat(file_path).st_size <= 0:
+      is_validated = False
+
+  return is_validated