JSON List to Iterative List

Documentation

• Class name: SaltJSONListToStringList
• Category: SALT/JSON
• Output node: False

This node is designed to convert a JSON list into a list of strings, ensuring that the input JSON is properly formatted and is indeed a list before proceeding with the conversion.

Input types

Required

• json_input
  • The JSON input that needs to be converted into a list of strings. It must be a valid JSON string representing a list.
  • Comfy dtype: STRING
  • Python dtype: str

Output types

• strings
  • Comfy dtype: STRING
  • The output list of strings converted from the input JSON list.
  • Python dtype: List[str]

Usage tips

• Infra type: CPU
• Common nodes: unknown

Source code

class SaltJSONListToStringList:
    @classmethod
    def INPUT_TYPES(cls):
        return {
            "required": {
                "json_input": ("STRING", {"forceInput": True}),
            }
        }

    RETURN_TYPES = ("STRING",)
    RETURN_NAMES = ("strings",)
    OUTPUT_IS_LIST = (True,)

    FUNCTION = "convert"
    CATEGORY = f"{MENU_NAME}/JSON"

    def convert(self, json_input):
        try:
            json_data = json.loads(json_input)
        except json.JSONDecodeError as e:
            raise Exception(f"Error in JSON formatting: {e}")

        if not isinstance(json_data, list):
            raise ValueError("Unable to parse `json_input`. Is it a list?")

        return (json_data, )