1 files changed, 31 insertions, 0 deletions
diff --git a/R2R/r2r/base/abstractions/prompt.py b/R2R/r2r/base/abstractions/prompt.py
new file mode 100755
index 00000000..e37eeb5f
--- /dev/null
+++ b/R2R/r2r/base/abstractions/prompt.py
@@ -0,0 +1,31 @@
+"""Abstraction for a prompt that can be formatted with inputs."""
+
+from typing import Any
+
+from pydantic import BaseModel
+
+
+class Prompt(BaseModel):
+    """A prompt that can be formatted with inputs."""
+
+    name: str
+    template: str
+    input_types: dict[str, str]
+
+    def format_prompt(self, inputs: dict[str, Any]) -> str:
+        self._validate_inputs(inputs)
+        return self.template.format(**inputs)
+
+    def _validate_inputs(self, inputs: dict[str, Any]) -> None:
+        for var, expected_type_name in self.input_types.items():
+            expected_type = self._convert_type(expected_type_name)
+            if var not in inputs:
+                raise ValueError(f"Missing input: {var}")
+            if not isinstance(inputs[var], expected_type):
+                raise TypeError(
+                    f"Input '{var}' must be of type {expected_type.__name__}, got {type(inputs[var]).__name__} instead."
+                )
+
+    def _convert_type(self, type_name: str) -> type:
+        type_mapping = {"int": int, "str": str}
+        return type_mapping.get(type_name, str)