Improved base pligin implementation

src/plugins/manifest_manager.py

@@ -0,0 +1,68 @@
+# Python imports
+import os
+import json
+from os.path import join
+
+# Lib imports
+
+# Application imports
+from .dto.manifest_meta import ManifestMeta
+from .dto.manifest import Manifest
+
+
+
+class ManifestMapperException(Exception):
+    ...
+
+
+
+class ManifestManager:
+    def __init__(self):
+
+        self._plugins_path         = settings_manager.get_plugins_path()
+
+        self.pre_launch_manifests  = []
+        self.post_launch_manifests = []
+
+        self.load_manifests()
+
+
+    def load_manifests(self):
+        logger.info(f"Loading manifests...")
+
+        for path, folder in [
+            [join(self._plugins_path, item), item]
+            if
+                os.path.isdir( join(self._plugins_path, item) )
+            else
+                None
+            for item in os.listdir(self._plugins_path)
+        ]:
+            self.load(folder, path)
+
+    def load(self, folder, path):
+        manifest_pth = join(path, "manifest.json")
+
+        if not os.path.exists(manifest_pth):
+            raise ManifestMapperException("Invalid Plugin Structure: Plugin doesn't have 'manifest.json'. Aboarting load...")
+
+        with open(manifest_pth) as f:
+            data                   = json.load(f)
+            manifest               = Manifest(**data)
+            manifest_meta          = ManifestMeta()
+
+            manifest_meta.folder   = folder
+            manifest_meta.path     = path
+            manifest_meta.manifest = manifest
+
+            if manifest.pre_launch:
+                self.pre_launch_manifests.append(manifest_meta)
+            else:
+                self.post_launch_manifests.append(manifest_meta)
+
+    def get_pre_launch_manifests(self) -> dict:
+        return self.pre_launch_manifests
+
+    def get_post_launch_plugins(self) -> None:
+        return self.post_launch_manifests
+