Files
M1kep-KepPromptLang/lib/actions/diff.py
T
2023-08-31 00:29:58 -07:00

78 lines
2.9 KiB
Python

from typing import Union, List
import torch
from torch.nn import Embedding
from custom_nodes.KepPromptLang.lib.action.base import Action, MultiArgAction
from custom_nodes.KepPromptLang.lib.actions.action_utils import get_embedding
from custom_nodes.KepPromptLang.lib.parser.prompt_segment import PromptSegment
from custom_nodes.KepPromptLang.lib.parser.registration import register_action
class DiffAction(MultiArgAction):
grammar = 'diff(" arg ("|" arg)* ")"'
name = "diff"
chars = ["-", "-"]
def __init__(self, args: List[List[Union[PromptSegment, Action]]]):
super().__init__(args)
self.base_arg = args[0]
self.additional_args = args[1:]
def token_length(self) -> int:
# Sum adds to the embeddings of the base segment, so the length is the length of the base segment
return sum(seg_or_action.token_length() for seg_or_action in self.base_arg)
def get_result(self, embedding_module: Embedding) -> torch.Tensor:
# Calculate the embeddings for the base segment
all_base_embeddings = [
get_embedding(seg_or_action, embedding_module)
for seg_or_action in self.base_arg
]
result = torch.cat(all_base_embeddings, dim=1)
for arg in self.additional_args:
all_arg_embeddings = [
get_embedding(seg_or_action, embedding_module) for seg_or_action in arg
]
arg_embedding = torch.cat(all_arg_embeddings, dim=1)
if (
arg_embedding.shape[-2] == 1
or result.shape[-2] == arg_embedding.shape[-2]
):
result = result.sub(arg_embedding)
else:
print(
"WARNING: shape mismatch when trying to apply sum, arg will be averaged"
)
result = result.sub(torch.mean(arg_embedding, dim=1, keepdim=True))
return result
# def __repr__(self):
# return f"sum(\n\tbase_segment={self.base_segment},\n\tadditional_args={self.additional_args}\n)"
def __repr__(self) -> str:
return f"sum({', '.join(map(str, self.additional_args))})"
def depth_repr(self, depth=1):
out = "NudgeAction(\n"
if isinstance(self.base_arg, Action):
base_segment_repr = self.base_arg.depth_repr(depth + 1)
out += "\t" * depth + f"base_segment={base_segment_repr}\n"
else:
out += "\t" * depth + f"base_segment={self.base_arg.depth_repr()},\n"
if isinstance(self.additional_args, Action):
target_repr = self.additional_args.depth_repr(depth + 1)
out += "\t" * depth + f"target={target_repr},\n"
else:
out += "\t" * depth + f"target={self.additional_args.depth_repr()},\n"
out += "\t" * depth + f"weight={self.weight},\n"
out += "\t" * (depth - 1) + ")"
return out