1 files changed, 51 insertions, 0 deletions
diff --git a/R2R/r2r/main/r2r.py b/R2R/r2r/main/r2r.py
new file mode 100755
index 00000000..2d8601b2
--- /dev/null
+++ b/R2R/r2r/main/r2r.py
@@ -0,0 +1,51 @@
+from typing import Optional
+
+from .app import R2RApp
+from .assembly.config import R2RConfig
+from .engine import R2REngine
+
+
+class R2R:
+    engine: R2REngine
+    app: R2RApp
+
+    def __init__(
+        self,
+        engine: Optional[R2REngine] = None,
+        app: Optional[R2RApp] = None,
+        config: Optional[R2RConfig] = None,
+        from_config: Optional[str] = None,
+        *args,
+        **kwargs
+    ):
+        if engine and app:
+            self.engine = engine
+            self.app = app
+        elif (config or from_config) or (
+            config is None and from_config is None
+        ):
+            from .assembly.builder import R2RBuilder
+
+            # Handle the case where 'from_config' is None and 'config' is None
+            if not config and not from_config:
+                from_config = "default"
+            builder = R2RBuilder(
+                config=config,
+                from_config=from_config,
+            )
+            built = builder.build()
+            self.engine = built.engine
+            self.app = built.app
+        else:
+            raise ValueError(
+                "Must provide either 'engine' and 'app', or 'config'/'from_config' to build the R2R object."
+            )
+
+    def __getattr__(self, name):
+        # Check if the attribute name is 'app' and return it directly
+        if name == "app":
+            return self.app
+        elif name == "serve":
+            return self.app.serve
+        # Otherwise, delegate to the engine
+        return getattr(self.engine, name)