ComfyUI/comfy_extras/nodes_number_convert.py

93 lines
2.8 KiB
Python

"""Number Convert node for unified numeric type conversion.
Provides a single node that converts INT, FLOAT, STRING, and BOOL
inputs into FLOAT and INT outputs.
"""
from __future__ import annotations
import math
from typing_extensions import override
from comfy_api.latest import ComfyExtension, io
class NumberConvertNode(io.ComfyNode):
"""Converts various types to numeric FLOAT and INT outputs."""
@classmethod
def define_schema(cls) -> io.Schema:
return io.Schema(
node_id="ComfyNumberConvert",
display_name="Number Convert",
category="math",
search_aliases=[
"int to float", "float to int", "number convert",
"int2float", "float2int", "cast", "parse number",
"string to number", "bool to int",
],
inputs=[
io.MultiType.Input(
"value",
[io.Int, io.Float, io.String, io.Boolean],
display_name="value",
),
],
outputs=[
io.Float.Output(display_name="FLOAT"),
io.Int.Output(display_name="INT"),
],
)
@classmethod
def execute(cls, value) -> io.NodeOutput:
if isinstance(value, bool):
float_val = 1.0 if value else 0.0
int_val = 1 if value else 0
elif isinstance(value, int):
float_val = float(value)
int_val = value
elif isinstance(value, float):
float_val = value
int_val = int(value)
elif isinstance(value, str):
text = value.strip()
if not text:
raise ValueError("Cannot convert empty string to number.")
try:
float_val = float(text)
except ValueError:
raise ValueError(
f"Cannot convert string to number: {value!r}"
) from None
if not math.isfinite(float_val):
raise ValueError(
f"Cannot convert non-finite value to number: {float_val}"
)
try:
int_val = int(text)
except ValueError:
int_val = int(float_val)
else:
raise TypeError(
f"Unsupported input type: {type(value).__name__}"
)
if not math.isfinite(float_val):
raise ValueError(
f"Cannot convert non-finite value to number: {float_val}"
)
return io.NodeOutput(float_val, int_val)
class NumberConvertExtension(ComfyExtension):
@override
async def get_node_list(self) -> list[type[io.ComfyNode]]:
return [NumberConvertNode]
async def comfy_entrypoint() -> NumberConvertExtension:
return NumberConvertExtension()