import bpy

def GetNodeTreeInputs(node_tree):

# Blen 3

if bpy.app.version[0] == 3:

return node_tree.inputs.items()

# Blen 4

else:

inputs = []

for item in node_tree.interface.items_tree:

if item.item_type == 'SOCKET':

if item.in_out == 'INPUT':

inputs.append(item)

return inputs

def GetInputIdentifier(input):

# Blen 3

if bpy.app.version[0] == 3:

return input[1].identifier

# Blen 4

return input.identifier

def GetInputType(input):

# Blen 3

if bpy.app.version[0] == 3:

return input[1].type

# Blen 4

else:

input_class = str(type(input))

if "NodeTreeInterfaceSocketFloat" in str(type(input)):

return "VALUE"

elif isinstance(input, bpy.types.NodeTreeInterfaceSocketBool):

return "BOOLEAN"

elif isinstance(input, bpy.types.NodeTreeInterfaceSocketObject):

return "OBJECT"

elif isinstance(input, bpy.types.NodeTreeInterfaceSocketCollection):

return "COLLECTION"

elif isinstance(input, bpy.types.NodeTreeInterfaceSocketColor):

return "RGBA"

elif isinstance(input, bpy.types.NodeTreeInterfaceSocketImage):

return "IMAGE"

elif "NodeTreeInterfaceSocketInt" in str(type(input)):

return "INT"

elif isinstance(input, bpy.types.NodeTreeInterfaceSocketMaterial):

return "MATERIAL"

elif isinstance(input, bpy.types.NodeTreeInterfaceSocketString):

return "STRING"

elif "NodeTreeInterfaceSocketVector" in str(type(input)):

return "VECTOR"

return "UNSUPPORTED_TYPE"

def GetInputName(input):

# Blen 3

if bpy.app.version[0] == 3:

return input[1].name

# Blen 4

return input.name