Add constant primitive datatype nodes

comfy_extras/nodes_constant_values,.py

@@ -0,0 +1,79 @@
+class _CONSTANT_BASE:
+    def __init__(self):
+        pass
+
+    @classmethod
+    def INPUT_TYPES(s) -> dict:
+        raise NotImplementedError
+
+    RETURN_TYPES: tuple = ()
+    RETURN_NAMES: tuple = ()
+
+    CATEGORY: str = "constants"
+
+    FUNCTION: str = "process"
+
+    OUTPUT_NODE: bool = False
+
+    def process(self, value) -> tuple:
+        return (value,)
+
+
+class ConstantFloat(_CONSTANT_BASE):
+    @classmethod
+    def INPUT_TYPES(s) -> dict:
+        return {
+            "required": {
+                "value": ("FLOAT", {"default": 0.0})
+            }
+        }
+
+    RETURN_TYPES = ("FLOAT",)
+    RETURN_NAMES = ("float",)
+
+
+class ConstantInteger(_CONSTANT_BASE):
+    @classmethod
+    def INPUT_TYPES(s) -> dict:
+        return {
+            "required": {
+                "value": ("INT", {"default": 0})
+            }
+        }
+
+    RETURN_TYPES = ("INT",)
+    RETURN_NAMES = ("int",)
+
+
+class ConstantString(_CONSTANT_BASE):
+    @classmethod
+    def INPUT_TYPES(s) -> dict:
+        return {
+            "required" : {
+                "value": ("STRING", {"multiline": False})
+            }
+        }
+
+    RETURN_TYPES = ("STRING",)
+    RETURN_NAMES = ("string",)
+
+
+class ConstantStringMultiline(_CONSTANT_BASE):
+    @classmethod
+    def INPUT_TYPES(s) -> dict:
+        return {
+            "required": {
+                "value": ("STRING", {"multiline": True})
+            }
+        }
+
+    RETURN_TYPES = ("STRING",)
+    RETURN_NAMES = ("string",)
+
+
+NODE_CLASS_MAPPINGS = {
+    "ConstantFloat": ConstantFloat,
+    "ConstantInteger": ConstantInteger,
+    "ConstantString": ConstantString,
+    "ConstantStringMultiline": ConstantStringMultiline,
+}