feat(config): Add check if setting is incorrectly empty

python-naive/{{ cookiecutter.__project_slug }}/{{ cookiecutter.__project_slug }}.py

@@ -171,6 +171,21 @@ def is_same_as_default(
     return config_kv_pair in ini_defaults
 
 
+def we_have_unset_options(
+        config_obj: configparser.ConfigParser(),
+        section_name: str) -> list:
+
+    options_must_be_non_empty = []
+
+    for option in config_obj.options(section_name):
+        if not config_obj.get(section_name, option):
+            if option not in internal_empty_ok:
+                log.warning(f"In section '[{section_name}]' option '{option}' is empty, it mustn't be.")
+                options_must_be_non_empty.append(option)
+
+    return options_must_be_non_empty
+
+
 def validate_config_sections(
         config_obj: configparser.ConfigParser()) -> None:
     for this_section in config_obj.sections():