fix: Use constants instead of string values.

This will reduce work if the constants ever change in the future.

Author: feanil

backend/sample_plugin/apps.py

@@ -3,6 +3,11 @@
 """
 
 from django.apps import AppConfig
+from edx_django_utils.plugins.constants import (
+    PluginURLs,
+    PluginSettings,
+    PluginSignals,
+)
 
 
 class SamplePluginConfig(AppConfig):
@@ -15,38 +20,50 @@ class SamplePluginConfig(AppConfig):
     plugin_app = {
         "url_config": {
             "lms.djangoapp": {
-                "namespace": "sample_plugin",
-                "regex": r"^sample-plugin/",
-                "relative_path": "urls",
+                PluginURLs.NAMESPACE: "sample_plugin",
+                PluginURLs.REGEX: r"^sample-plugin/",
+                PluginURLs.RELATIVE_PATH: "urls",
             },
             "cms.djangoapp": {
-                "namespace": "sample_plugin",
-                "regex": r"^sample-plugin/",
-                "relative_path": "urls",
+                PluginURLs.NAMESPACE: "sample_plugin",
+                PluginURLs.REGEX: r"^sample-plugin/",
+                PluginURLs.RELATIVE_PATH: "urls",
             },
         },
-        "settings_config": {
+        PluginSettings.CONFIG: {
             "lms.djangoapp": {
-                "common": {"relative_path": "settings.common"},
-                "test": {"relative_path": "settings.test"},
-                "production": {"relative_path": "settings.production"},
+                "common": {
+                    PluginURLs.RELATIVE_PATH: "settings.common",
+                },
+                "test": {
+                    PluginURLs.RELATIVE_PATH: "settings.test",
+                },
+                "production": {
+                    PluginURLs.RELATIVE_PATH: "settings.production",
+                },
             },
             "cms.djangoapp": {
-                "common": {"relative_path": "settings.common"},
-                "test": {"relative_path": "settings.test"},
-                "production": {"relative_path": "settings.production"},
+                "common": {
+                    PluginURLs.RELATIVE_PATH: "settings.common",
+                },
+                "test": {
+                    PluginURLs.RELATIVE_PATH: "settings.test",
+                },
+                "production": {
+                    PluginURLs.RELATIVE_PATH: "settings.production",
+                },
             },
         },
-        "signals_config": {
+        PluginSignals.CONFIG: {
             "lms.djangoapp": {
-                "relative_path": "signals",
-                "receivers": [
+                PluginURLs.RELATIVE_PATH: "signals",
+                PluginSignals.RECEIVERS: [
                     # Signals handlers can be registered here
                 ],
             },
             "cms.djangoapp": {
-                "relative_path": "signals",
-                "receivers": [
+                PluginURLs.RELATIVE_PATH: "signals",
+                PluginSignals.RECEIVERS: [
                     # Signals handlers can be registered here
                 ],
             },