Autodiscover components in components.py inside an app (#24)

Co-authored-by: @danjac

django_components/__init__.py

@@ -0,0 +1,15 @@
+from importlib import import_module
+
+from django.utils.module_loading import autodiscover_modules
+
+default_app_config = "django_components.apps.ComponentsConfig"
+
+
+def autodiscover():
+    # look for "components" module/pkg in each app
+    from . import app_settings
+
+    if app_settings.AUTODISCOVER:
+        autodiscover_modules("components")
+    for path in app_settings.LIBRARIES:
+        import_module(path)

django_components/app_settings.py

@@ -0,0 +1,21 @@
+import sys
+
+from django.conf import settings
+
+
+class AppSettings:
+    def __init__(self):
+        self.settings = getattr(settings, "COMPONENTS", {})
+
+    @property
+    def AUTODISCOVER(self):
+        return self.settings.setdefault("autodiscover", True)
+
+    @property
+    def LIBRARIES(self):
+        return self.settings.setdefault("libraries", [])
+
+
+app_settings = AppSettings()
+app_settings.__name__ = __name__
+sys.modules[__name__] = app_settings

django_components/apps.py

@@ -0,0 +1,8 @@
+from django.apps import AppConfig
+
+
+class ComponentsConfig(AppConfig):
+    name = "django_components"
+
+    def ready(self):
+        self.module.autodiscover()