add custom modules auto-detection

CHANGELOG.md

@@ -1,6 +1,2 @@
-* BUGFIX
-  * fix typo in argparse description
-* INTERNAL
-  * add markdown linting to CI (markdownlint-cli)
-  * add spellchecking to CI (spellcheck-cli)
-  * add broken link check to CI (broken-link-checker)
+* ENHANCEMENT
+  * add custom modules auto-detection

ansiblelater/settings.py

@@ -88,6 +88,19 @@ class Settings(object):
         if cli_options and self._validate(cli_options):
             anyconfig.merge(defaults, cli_options, ac_merge=anyconfig.MS_DICTS)
 
+        library = os.path.relpath(os.path.normpath(os.path.join(os.getcwd(), "library")))
+        autodetect = []
+        if os.path.exists(library):
+            autodetect = [
+                os.path.splitext(f)[0]
+                for f in os.listdir(library)
+                if os.path.isfile(os.path.join(library, f)) and not f.startswith(".")
+            ]
+
+        for f in autodetect:
+            if f not in defaults["ansible"]["custom_modules"]:
+                defaults["ansible"]["custom_modules"].append(f)
+
         return defaults
 
     def _get_defaults(self):

docs/content/configuration/defaults.md

@@ -8,9 +8,10 @@ title: Default settings
 {{< highlight YAML "linenos=table" >}}
 ---
 ansible:
-  # Add the name of used custom Ansible modules.
-  # Otherwise ansible-later can't detect unknown modules
-  # and will through an error.
+  # Add the name of used custom Ansible modules. Otherwise ansible-later
+  # can't detect unknown modules and will through an error.
+  # Modules which are bundled with the role and placed in a './library'
+  # directory will be auto-detected and don't need to be added to this list.
   custom_modules: []
   # Settings for variable formatting rule (ANSIBLE0004)
   double-braces: