import os, random

try:
    import folder_paths
    application_root_directory = os.path.dirname(folder_paths.__file__)
    application_web_extensions_directory = os.path.join(application_root_directory, "web", "extensions", "ComfyUI_jags_Vectormagic", "utilities")
except:
    pass # not in a ComfyUI environment

class BaseNode:
    def __init__(self):
        pass
    FUNCTION = "func"
    REQUIRED = {}
    OPTIONAL = None
    HIDDEN = None
    @classmethod    
    def INPUT_TYPES(s):
        types = {"required": s.REQUIRED}
        if s.OPTIONAL:
            types["optional"] = s.OPTIONAL
        if s.HIDDEN:
            types["hidden"] = s.HIDDEN
        return types
    RETURN_TYPES = ()
    RETURN_NAMES = ()

class classproperty(object):
    def __init__(self, f):
        self.f = f
    def __get__(self, obj, owner):
        return self.f(owner)
    
class SeedContext():
    """
    Context Manager to allow one or more random numbers to be generated, optionally using a specified seed, 
    without changing the random number sequence for other code.
    """
    def __init__(self, seed=None):
        self.seed = seed
    def __enter__(self):
        self.state = random.getstate()
        if self.seed:
            random.seed(self.seed)
    def __exit__(self, exc_type, exc_val, exc_tb):
        random.setstate(self.state)