beginnings of a node collection for functional composition etc.

functional.py

@@ -0,0 +1,104 @@
+_func = {"func": ("FUNC",)}
+_text = {"code": ("STRING", {"multiline": True, "default": "x=func(x)"})}
+
+optional = lambda x: {"optional": {k: v for k, v in x.items()}}
+required = lambda x: {"required": {k: v for k, v in x.items()}}
+both = lambda a, b: {**a, **b}
+many = lambda *dicts: {k: v for d in dicts for k, v in d.items()}  # non tested
+
+
+f=lambda x : TinyTxtToImg.tinytxt2img(**kwa)
+#TinyTxtToImg.tinytxt2img()
+
+
+class FuncBase:
+    def __init__(self):
+        from custom_nodes.EternalKernelLiteGraphNodes.image import common_ksampler, TinyTxtToImg
+        self.locals = locals()
+        self.globals = globals()
+
+    @classmethod
+    def INPUT_TYPES(cls):
+        use = both(optional(_func), required(_text))
+        return use
+
+    RETURN_TYPES = ("FUNC",)
+    FUNCTION = "func"
+    CATEGORY = "ETK/func"
+
+    def func(self, code: str, func: callable = lambda x: x):
+
+        globals = self.globals
+        locals = self.locals
+        locals["x"]=func
+        # code should do something like:
+        # func like : lambda x:["what"]*x
+        # code like : 'f=[x for x in x(2)]'
+        exec(code, globals, locals)
+
+        return (locals["f"],)
+
+
+class FuncRender:
+    def __init__(self):
+        from custom_nodes.EternalKernelLiteGraphNodes.image import common_ksampler, TinyTxtToImg
+        self.locals = locals()
+        self.globals = globals()
+
+    @classmethod
+    def INPUT_TYPES(cls):
+        use = required(both(_func, _text))
+        return use
+
+    RETURN_TYPES = ("FLOAT",)
+    FUNCTION = "func"
+    CATEGORY = "ETK/func"
+
+    def func(self, func: callable, code):
+
+        globals = self.globals
+        locals = self.locals
+        locals["x"]=func
+        # code should do something like:
+        # func like : lambda x:["what"]*x
+        # code like : 'f=[x for x in x(2)]'
+        exec(code, globals, locals)
+        self.globals = globals
+        self.locals = locals
+
+        return (locals["y"],)
+
+
+class FuncRenderImage:
+    def __init__(self):
+        from custom_nodes.EternalKernelLiteGraphNodes.image import common_ksampler, TinyTxtToImg
+        self.locals = locals()
+        self.globals = globals()
+
+    @classmethod
+    def INPUT_TYPES(cls):
+        use = required(both(_func, _text))
+        return use
+
+    RETURN_TYPES = ("IMAGE",)
+    FUNCTION = "func"
+    CATEGORY = "ETK/func"
+
+    def func(self, func: callable, code):
+
+        globals = self.globals
+        locals = self.locals
+        locals["x"]=func
+        # code should do something like:
+        # func like : lambda x:["what"]*x
+        # code like : 'f=[x for x in x(2)]'
+        exec(code, globals, locals)
+        self.globals = globals
+        self.locals = locals
+
+        return (locals["y"],)
+
+if __name__ == "__main__":
+    test = {}
+
+    pass