feat(func/min): Add function

lib/__init__.py

@@ -1,8 +1,15 @@
+from custom_nodes.KepPromptLang.lib.actions.abs_max import AbsMaxAction
+from custom_nodes.KepPromptLang.lib.actions.avg import AverageAction
 from custom_nodes.KepPromptLang.lib.actions.diff import DiffAction
+from custom_nodes.KepPromptLang.lib.actions.max import MaxAction
+from custom_nodes.KepPromptLang.lib.actions.min import MinAction
 from custom_nodes.KepPromptLang.lib.actions.mult import MultiplyAction
 from custom_nodes.KepPromptLang.lib.actions.neg import NegAction
 from custom_nodes.KepPromptLang.lib.actions.norm import NormAction
 from custom_nodes.KepPromptLang.lib.actions.rand import RandAction
+from custom_nodes.KepPromptLang.lib.actions.scale_dims import ScaleDims
+from custom_nodes.KepPromptLang.lib.actions.set_dims import SetDims
+from custom_nodes.KepPromptLang.lib.actions.slerp import SlerpAction
 from custom_nodes.KepPromptLang.lib.actions.sum import SumAction
 from custom_nodes.KepPromptLang.lib.parser.registration import register_action
 
@@ -12,3 +19,10 @@ register_action(NegAction)
 register_action(NormAction)
 register_action(RandAction)
 register_action(SumAction)
+register_action(SlerpAction)
+register_action(AverageAction)
+register_action(ScaleDims)
+register_action(SetDims)
+register_action(MaxAction)
+register_action(AbsMaxAction)
+register_action(MinAction)

lib/actions/abs_max.py

@@ -0,0 +1,104 @@
+from typing import List, Union
+
+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.actions.utils import is_broadcastable
+from custom_nodes.KepPromptLang.lib.parser.prompt_segment import PromptSegment
+
+
+class AbsMaxAction(MultiArgAction):
+    grammar = 'absMax(" arg ("|" arg)+ ")"'
+    name = "absMax"
+    chars = ["+", "+"]
+
+    def __init__(self, args: List[List[Union[PromptSegment, Action]]]) -> None:
+        super().__init__(args)
+
+        self.base_arg = args[0]
+        self.additional_args = args[1:]
+
+    def token_length(self) -> int:
+        # AbsMax modifies 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 is_broadcastable(result, arg_embedding):
+                positive_mask1 = result > 0
+                positive_mask2 = arg_embedding > 0
+                negative_mask1 = result < 0
+                negative_mask2 = arg_embedding < 0
+                zero_mask1 = result == 0
+                zero_mask2 = arg_embedding == 0
+                
+                # For mixed signs, choose the one with the largest magnitude
+                mixed_mask_pos_neg = positive_mask1 & negative_mask2
+                mixed_mask_neg_pos = negative_mask1 & positive_mask2
+                mixed_mask = mixed_mask_pos_neg | mixed_mask_neg_pos
+                mixed_selection = torch.where(
+                    result.abs() > arg_embedding.abs(), result, arg_embedding
+                )
+                
+                # Apply max for positive dimensions, min for negative dimensions, and handle zeros and mixed signs
+                result = torch.where(
+                    positive_mask1 & positive_mask2,
+                    torch.max(result, arg_embedding),
+                    torch.where(
+                        negative_mask1 & negative_mask2,
+                        torch.min(result, arg_embedding),
+                        torch.where(
+                            positive_mask1 & zero_mask2,
+                            result,
+                            torch.where(
+                                zero_mask1 & positive_mask2,
+                                arg_embedding,
+                                torch.where(mixed_mask, mixed_selection, result),
+                            ),
+                        ),
+                    ),
+                )
+            else:
+                print(
+                    "WARNING: shape mismatch when trying to apply absMax, arg will be averaged"
+                )
+                result = torch.max(result, torch.mean(arg_embedding, dim=1, keepdim=True))
+        return result
+
+    # def __repr__(self):
+    #     return f"sum(\n\tbase_segment={self.base_segment},\n\targs={self.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

lib/actions/avg.py

@@ -0,0 +1,100 @@
+from typing import List, Union
+
+import torch
+from torch.nn import Embedding
+
+from custom_nodes.KepPromptLang.lib.action.base import MultiArgAction, Action
+from custom_nodes.KepPromptLang.lib.actions.action_utils import get_embedding
+from custom_nodes.KepPromptLang.lib.actions.types import SegOrAction
+from custom_nodes.KepPromptLang.lib.actions.utils import slerp
+from custom_nodes.KepPromptLang.lib.parser.prompt_segment import PromptSegment
+
+
+class AverageAction(MultiArgAction):
+    grammar = 'avg(" arg "|" arg "|" arg ")"'
+    name = "avg"
+    chars = ["+", "+"]
+
+    def __init__(self, args: List[List[Union[PromptSegment, Action]]]) -> None:
+        super().__init__(args)
+
+        if len(args) != 3:
+            raise ValueError("Average action should have exactly three arguments(2 vectors and a weight)")
+
+        self.first_arg = args[0]
+        self.second_arg = args[1]
+        self._parse_weight(args[2])
+
+        self._validate_args()
+
+
+    def _parse_weight(self, arg: List[SegOrAction]) -> None:
+        if len(arg) != 1:
+            raise ValueError("Average weight should have exactly one segment")
+
+        weight_seg_or_action = arg[0]
+
+        if isinstance(weight_seg_or_action, Action):
+            raise ValueError("Average weight should not have an action as an argument")
+
+        try:
+            self.parsed_weight = float(weight_seg_or_action.text)
+        except ValueError:
+            raise ValueError("Average should have an integer/float as the weight")
+
+    def _validate_args(self) -> None:
+        first_arg_token_length = sum(seg_or_action.token_length() for seg_or_action in self.first_arg)
+        second_arg_token_length = sum(seg_or_action.token_length() for seg_or_action in self.second_arg)
+        if first_arg_token_length != second_arg_token_length:
+            raise ValueError(f"Average start and end arguments should have the same length. Got {start_arg_token_length} and {end_arg_token_length}")
+
+        if self.parsed_weight < 0 or self.parsed_weight > 1:
+            print(f"WARNING: Average weight should be between 0 and 1. Got {self.parsed_weight}")
+
+    def token_length(self) -> int:
+        # Average interpolates between the embeddings of the start and end segments, so the length is the length of the start segment
+        return sum(seg_or_action.token_length() for seg_or_action in self.first_arg)
+
+    def get_result(self, embedding_module: Embedding) -> torch.Tensor:
+        # Calculate the embeddings for the start segment
+        all_start_embeddings = [
+            get_embedding(seg_or_action, embedding_module)
+            for seg_or_action in self.first_arg
+        ]
+
+        start_embedding = torch.cat(all_start_embeddings, dim=1)
+
+        # Calculate the embeddings for the end segment
+        all_end_embeddings = [
+            get_embedding(seg_or_action, embedding_module)
+            for seg_or_action in self.second_arg
+        ]
+
+        end_embedding = torch.cat(all_end_embeddings, dim=1)
+
+        # Perform the weighted average
+        result = start_embedding * (1 - self.parsed_weight) + end_embedding * self.parsed_weight
+
+        return result
+
+    # def __repr__(self):
+    #     return f"sum(\n\tbase_segment={self.base_segment},\n\targs={self.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

lib/actions/max.py

@@ -0,0 +1,72 @@
+from typing import List, Union
+
+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.actions.utils import is_broadcastable
+from custom_nodes.KepPromptLang.lib.parser.prompt_segment import PromptSegment
+
+
+class MaxAction(MultiArgAction):
+    grammar = 'max(" arg ("|" arg)+ ")"'
+    name = "max"
+    chars = ["+", "+"]
+
+    def __init__(self, args: List[List[Union[PromptSegment, Action]]]) -> None:
+        super().__init__(args)
+
+        self.base_arg = args[0]
+        self.additional_args = args[1:]
+
+    def token_length(self) -> int:
+        # Max modifies 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 is_broadcastable(result, arg_embedding):
+                result = torch.max(result, arg_embedding)
+            else:
+                print(
+                    "WARNING: shape mismatch when trying to apply max, arg will be averaged"
+                )
+                result = torch.max(result, torch.mean(arg_embedding, dim=1, keepdim=True))
+        return result
+
+    # def __repr__(self):
+    #     return f"sum(\n\tbase_segment={self.base_segment},\n\targs={self.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

lib/actions/min.py

@@ -0,0 +1,72 @@
+from typing import List, Union
+
+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.actions.utils import is_broadcastable
+from custom_nodes.KepPromptLang.lib.parser.prompt_segment import PromptSegment
+
+
+class MinAction(MultiArgAction):
+    grammar = 'min(" arg ("|" arg)+ ")"'
+    name = "min"
+    chars = ["+", "+"]
+
+    def __init__(self, args: List[List[Union[PromptSegment, Action]]]) -> None:
+        super().__init__(args)
+
+        self.base_arg = args[0]
+        self.additional_args = args[1:]
+
+    def token_length(self) -> int:
+        # Min modifies 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 is_broadcastable(result, arg_embedding):
+                result = torch.min(result, arg_embedding)
+            else:
+                print(
+                    "WARNING: shape mismatch when trying to apply max, arg will be averaged"
+                )
+                result = torch.min(result, torch.mean(arg_embedding, dim=1, keepdim=True))
+        return result
+
+    # def __repr__(self):
+    #     return f"sum(\n\tbase_segment={self.base_segment},\n\targs={self.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

lib/actions/mult.py

@@ -26,17 +26,17 @@ class MultiplyAction(MultiArgAction):
 
     def _parse_multiplier(self, arg: List[SegOrAction]) -> None:
         if len(arg) != 1:
-            raise ValueError("Multiply action first argument should have exactly one segment")
+            raise ValueError("Multiply actions multiplier should have exactly one segment")
 
         multiplier_seg_or_action = arg[0]
 
         if isinstance(multiplier_seg_or_action, Action):
-            raise ValueError("Multiply action should not have an action as an argument")
+            raise ValueError("Multiply actions multiplier must be a number")
 
         try:
             self.parsed_multiplier = float(multiplier_seg_or_action.text)
         except ValueError:
-            raise ValueError("Multiply action should have an integer/float as the first argument")
+            raise ValueError("Multiply action should have an integer/float as the multiplier")
 
     def token_length(self) -> int:
         """

lib/actions/scale_dims.py

@@ -0,0 +1,72 @@
+from typing import List, Union
+
+import torch
+from torch.nn import Embedding
+
+from custom_nodes.KepPromptLang.lib.action.base import MultiArgAction, Action
+from custom_nodes.KepPromptLang.lib.actions.action_utils import get_embedding
+from custom_nodes.KepPromptLang.lib.parser.prompt_segment import PromptSegment
+
+
+class ScaleDims(MultiArgAction):
+    grammar = 'scaleDims(" arg ("|" arg)* ")"'
+    name = "scaleDims"
+    description = "Scales the specified dimensions of the input embeddings by the specified amount"
+    example = "'The scaleDims(cat|4,1.5|76,1.2) is happy' scales the 4th dimension by 1.5 and the 76th dimension by 1.2 for the word 'cat'"
+    chars = ["-", "-"]
+
+    def __init__(self, args: List[List[Union[PromptSegment, Action]]]):
+        super().__init__(args)
+
+        self.base_arg = args[0]
+        self._parse_scale_args(args[1:])
+
+
+    def _parse_scale_args(self, args: List[List[Union[PromptSegment, Action]]]) -> None:
+        # scaleDims scale args should have format of "<dim>,<scale>" where dim is the dimension to scale and scale is the amount to scale it by
+        # scaleDims(some words|4,1.5|76,1.2)
+        self.scale_args = []
+        for arg in args:
+            if isinstance(arg, Action):
+                raise ValueError("ScaleDims scale args must be in the format of <dim>,<scale>(e.g. 4,1.5) but got an action")
+
+            if len(arg) != 1:
+                raise ValueError("ScaleDims scale args must be in the format of <dim>,<scale>(e.g. 4,1.5) but got multiple segments")
+            extracted_arg = arg[0]
+            assert isinstance(extracted_arg, PromptSegment)
+
+            if "," not in extracted_arg.text:
+                raise ValueError("ScaleDims scale args must be in the format of <dim>,<scale>(e.g. 4,1.5) but got a segment with no comma: " + extracted_arg.text)
+
+            # Split prompt segment into text and scale args
+            dim, scale = extracted_arg.text.split(",")
+            try:
+                # TODO: Check that dim is within the bounds of the embedding
+                parsed_dim = int(dim)
+            except ValueError:
+                raise ValueError("ScaleDims scale args must be in the format of <dim>,<scale>(e.g. 4,1.5) but got a segment with a non-integer dim: " + str(dim))
+
+            try:
+                parsed_scale = float(scale)
+            except ValueError:
+                raise ValueError("ScaleDims scale args must be in the format of <dim>,<scale>(e.g. 4,1.5) but got a segment with a non-float scale: " + str(scale))
+
+            self.scale_args.append((parsed_dim, parsed_scale))
+
+
+    def token_length(self) -> int:
+        # scaleDims modifies 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
+        ]
+
+        base_embeddings = torch.cat(all_base_embeddings, dim=1)
+        for dim, scale in self.scale_args:
+            base_embeddings[0, :, dim] *= scale
+
+        return base_embeddings

lib/actions/set_dims.py

@@ -0,0 +1,72 @@
+from typing import List, Union
+
+import torch
+from torch.nn import Embedding
+
+from custom_nodes.KepPromptLang.lib.action.base import MultiArgAction, Action
+from custom_nodes.KepPromptLang.lib.actions.action_utils import get_embedding
+from custom_nodes.KepPromptLang.lib.parser.prompt_segment import PromptSegment
+
+
+class SetDims(MultiArgAction):
+    grammar = 'setDims(" arg ("|" arg)* ")"'
+    name = "setDims"
+    description = "Sets the specified dimensions of the input embeddings to the specified value"
+    example = "'The scaleDims(cat|4,1.5|76,1.2) is happy' scales the 4th dimension by 1.5 and the 76th dimension by 1.2 for the word 'cat'"
+    chars = ["-", "-"]
+
+    def __init__(self, args: List[List[Union[PromptSegment, Action]]]):
+        super().__init__(args)
+
+        self.base_arg = args[0]
+        self._parse_value_args(args[1:])
+
+
+    def _parse_value_args(self, args: List[List[Union[PromptSegment, Action]]]) -> None:
+        # setDims args should have format of "<dim>,<value>" where dim is the dimension to set and value is the value to set it to
+        # setDims(some words|4,-0.01254|76,1.2)
+        self.value_args = []
+        for arg in args:
+            if isinstance(arg, Action):
+                raise ValueError("SetDims value args must be in the format of <dim>,<value>(e.g. 4,1.5) but got an action")
+
+            if len(arg) != 1:
+                raise ValueError("SetDims value args must be in the format of <dim>,<value>(e.g. 4,1.5) but got multiple segments")
+            extracted_arg = arg[0]
+            assert isinstance(extracted_arg, PromptSegment)
+
+            if "," not in extracted_arg.text:
+                raise ValueError("SetDims value args must be in the format of <dim>,<value>(e.g. 4,1.5) but got a segment with no comma: " + extracted_arg.text)
+
+            # Split prompt segment into text and value args
+            dim, value = extracted_arg.text.split(",")
+            try:
+                # TODO: Check that dim is within the bounds of the embedding
+                parsed_dim = int(dim)
+            except ValueError:
+                raise ValueError("SetDims value args must be in the format of <dim>,<value>(e.g. 4,1.5) but got a segment with a non-integer dim: " + str(dim))
+
+            try:
+                parsed_value = float(value)
+            except ValueError:
+                raise ValueError("SetDims value args must be in the format of <dim>,<value>(e.g. 4,1.5) but got a segment with a non-float scale: " + str(value))
+
+            self.value_args.append((parsed_dim, parsed_value))
+
+
+    def token_length(self) -> int:
+        # setDims modifies 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
+        ]
+
+        base_embeddings = torch.cat(all_base_embeddings, dim=1)
+        for dim, value in self.value_args:
+            base_embeddings[0, :, dim] = value
+
+        return base_embeddings

lib/actions/slerp.py

@@ -0,0 +1,100 @@
+from typing import List, Union
+
+import torch
+from torch.nn import Embedding
+
+from custom_nodes.KepPromptLang.lib.action.base import MultiArgAction, Action
+from custom_nodes.KepPromptLang.lib.actions.action_utils import get_embedding
+from custom_nodes.KepPromptLang.lib.actions.types import SegOrAction
+from custom_nodes.KepPromptLang.lib.actions.utils import slerp
+from custom_nodes.KepPromptLang.lib.parser.prompt_segment import PromptSegment
+
+
+class SlerpAction(MultiArgAction):
+    grammar = 'slerp(" arg "|" arg "|" arg ")"'
+    name = "slerp"
+    chars = ["+", "+"]
+
+    def __init__(self, args: List[List[Union[PromptSegment, Action]]]) -> None:
+        super().__init__(args)
+
+        if len(args) != 3:
+            raise ValueError("Slerp action should have exactly three arguments(2 vectors and a weight)")
+
+        self.start_argument = args[0]
+        self.end_argument = args[1]
+        self._parse_weight(args[2])
+
+        self._validate_args()
+
+
+    def _parse_weight(self, arg: List[SegOrAction]) -> None:
+        if len(arg) != 1:
+            raise ValueError("Slerp weight should have exactly one segment")
+
+        weight_seg_or_action = arg[0]
+
+        if isinstance(weight_seg_or_action, Action):
+            raise ValueError("Slerp weight should not have an action as an argument")
+
+        try:
+            self.parsed_weight = float(weight_seg_or_action.text)
+        except ValueError:
+            raise ValueError("Slerp should have an integer/float as the weight")
+
+    def _validate_args(self) -> None:
+        start_arg_token_length = sum(seg_or_action.token_length() for seg_or_action in self.start_argument)
+        end_arg_token_length = sum(seg_or_action.token_length() for seg_or_action in self.end_argument)
+        if start_arg_token_length != end_arg_token_length:
+            raise ValueError(f"Slerp start and end arguments should have the same length. Got {start_arg_token_length} and {end_arg_token_length}")
+
+        if self.parsed_weight < 0 or self.parsed_weight > 1:
+            print(f"WARNING: Slerp weight should be between 0 and 1. Got {self.parsed_weight}")
+
+    def token_length(self) -> int:
+        # Slerp interpolates between the embeddings of the start and end segments, so the length is the length of the start segment
+        return sum(seg_or_action.token_length() for seg_or_action in self.start_argument)
+
+    def get_result(self, embedding_module: Embedding) -> torch.Tensor:
+        # Calculate the embeddings for the start segment
+        all_start_embeddings = [
+            get_embedding(seg_or_action, embedding_module)
+            for seg_or_action in self.start_argument
+        ]
+
+        start_embedding = torch.cat(all_start_embeddings, dim=1)
+
+        # Calculate the embeddings for the end segment
+        all_end_embeddings = [
+            get_embedding(seg_or_action, embedding_module)
+            for seg_or_action in self.end_argument
+        ]
+
+        end_embedding = torch.cat(all_end_embeddings, dim=1)
+
+        # Perform the slerp
+        result = slerp(self.parsed_weight, start_embedding, end_embedding)
+
+        return result
+
+    # def __repr__(self):
+    #     return f"sum(\n\tbase_segment={self.base_segment},\n\targs={self.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

lib/actions/utils.py

@@ -1,8 +1,55 @@
 from typing import List
 
+import torch
+
 from custom_nodes.KepPromptLang.lib.actions.types import SegOrAction
 
 def batch_size_info(batch: List[SegOrAction]):
     for segment in batch:
         print("Token Len: " + str(segment.token_length()))
         print(segment.depth_repr())
+
+def slerp(val: float, low: torch.Tensor, high: torch.Tensor, epsilon=1e-5):
+    # Convert val to tensor and clamp between 0 and 1
+    val = torch.tensor(val, dtype=torch.float32).clamp(0, 1)
+
+    # Normalize the vectors
+    low_norm = low / torch.norm(low, dim=-1, keepdim=True)
+    high_norm = high / torch.norm(high, dim=-1, keepdim=True)
+
+    # Calculate the cosine of the angle between the vectors
+    dot = (low_norm * high_norm).sum(-1, keepdim=True)
+
+    # Clamp to prevent numerical errors
+    dot = torch.clamp(dot, -1, 1)
+
+    omega = torch.acos(dot)
+
+    # Slerp formula
+    sin_omega = torch.sin(omega)
+    scale_0 = torch.sin((1.0 - val) * omega) / (sin_omega + epsilon)
+    scale_1 = torch.sin(val * omega) / (sin_omega + epsilon)
+
+    # Handle the case where omega is small (the vectors are close)
+    close_condition = sin_omega < epsilon
+    scale_0 = torch.where(close_condition, 1.0 - val, scale_0)
+    scale_1 = torch.where(close_condition, val, scale_1)
+
+    return scale_0 * low + scale_1 * high
+
+def is_broadcastable(tensor1, tensor2) -> bool:
+    """
+    Check if two tensors are broadcastable.
+
+    Parameters:
+    - tensor1 (torch.Tensor): The target tensor against which broadcastability of tensor2 is checked.
+    - tensor2 (torch.Tensor): The tensor whose broadcastability is to be verified against tensor1.
+
+    Returns:
+    - bool: True if tensor2 is broadcastable to tensor1, False otherwise.
+    """
+    try:
+        broadcasted_shape = torch.broadcast_shapes(tensor1.shape, tensor2.shape)
+        return True
+    except RuntimeError:
+        return False

lib/parser/registration.py

@@ -5,6 +5,12 @@ from custom_nodes.KepPromptLang.lib.action.base import Action
 action_registry: Dict[str, Type[Action]] = {}
 
 def register_action(action: Type[Action]) -> None:
+    """
+
+    :rtype: object
+    """
+    if action.name in action_registry:
+        raise ValueError(f"Action {action.name} already registered")
     action_registry[str(action.name)] = action
 
 def get_action_by_name(name: str) -> Type[Action]:

nodes.py

@@ -1,5 +1,6 @@
 import random
-from typing import List, Tuple
+import os
+from typing import List, Tuple, Any
 
 import numpy as np
 from PIL import Image
@@ -49,9 +50,9 @@ def tensor2img(tensor_img) -> Image.Image:
     i_np_arr = np.clip(i, 0, 255, out=i).astype(np.uint8, copy=False)
     return Image.fromarray(i_np_arr)
 
-
 class BuildGif:
     def __init__(self) -> None:
+        self.output_dir = folder_paths.get_output_directory()
         pass
 
     @classmethod
@@ -60,6 +61,7 @@ class BuildGif:
             "required": {
                 "images": ("IMAGE",),
                 "split_every": ("INT", {"default": -1}),
+                "frame_duration": ("INT", {"default": 125}),
                 "output_mode": (
                     ["One Per Split", "Big Grid"],
                     {"default": "Big Grid"},
@@ -68,23 +70,31 @@ class BuildGif:
         }
 
     RELOAD_INST = True
-    RETURN_TYPES = ("IMAGE",)
+    RETURN_TYPES = ()
-    RETURN_NAMES = ("Gifs",)
+    # RETURN_NAMES = ("Gifs",)
     INPUT_IS_LIST = True
     FUNCTION = "build_gif"
-    OUTPUT_IS_LIST = (True,)
+    # OUTPUT_IS_LIST = (True,)
-    # OUTPUT_NODE = False
+    OUTPUT_NODE = True
 
     CATEGORY = "List Stuff"
 
-    @staticmethod
+    def build_gif(self, images: List[Any], split_every: List[int], frame_duration: List[int], output_mode: List[str]):
-    def build_gif(images: list, split_every: List[int], output_mode: str):
         print("Build GIF called!")
         print(f"{type(images)}")
 
         if len(split_every) > 1:
             raise Exception("List input for split every is not supported.")
 
+        if len(output_mode) > 1:
+            raise Exception("List input for output_mode is not supported.")
+        output_mode = output_mode[0]
+
+        if len(frame_duration) > 1:
+            raise Exception("List input for frame_duration is not supported.")
+        frame_duration = frame_duration[0]
+
+        full_output_folder, filename, counter, subfolder, filename_prefix = folder_paths.get_save_image_path(filename_prefix="Gif", output_dir=self.output_dir, image_width=0, image_height=0)
         split_every_val = split_every[0]
         batch_size = images[0].size()[0]
         if split_every_val == -1:
@@ -93,8 +103,6 @@ class BuildGif:
         else:
             split_chunks = int(len(images) / split_every_val)
 
-        out = []
-
         num_wide = batch_size
         num_tall = split_chunks
 
@@ -104,6 +112,7 @@ class BuildGif:
         ]
 
         frames = []
+        results = list()
 
         if output_mode == "Big Grid":
             # For every image in gif
@@ -122,8 +131,9 @@ class BuildGif:
                         )
                 frames.append(img_frame)
 
+            file = f"{filename}_{counter:05}_"
             save_path = (
-                f"{folder_paths.get_output_directory()}/{random.randint(1, 100)}"
+                f"{os.path.join(full_output_folder, file)}"
             )
             frames[0].save(
                 f"{save_path}.webp",
@@ -133,15 +143,24 @@ class BuildGif:
                 save_all=True,
                 append_images=frames[1:],
                 optimize=False,
-                duration=125,
+                duration=frame_duration,
                 loop=0,
             )
+            results.append({
+                "filename": f"{file}.webp",
+                "subfolder": subfolder,
+                "type": "output"
+            })
         elif output_mode == "One Per Split":
             for split_idx in range(int(split_chunks)):
                 split_start = split_every_val * split_idx
                 split_end = split_every_val * (split_idx + 1)
                 for batch_idx in range(batch_size):
-                    save_path = f"{folder_paths.get_output_directory()}/-{batch_idx}-{random.randint(1, 100)}"
+                    file = f"{filename}_{counter:05}_"
+                    save_path = (
+                        f"{os.path.join(full_output_folder, file)}"
+                    )
+                    counter += 1
                     print(save_path)
                     tensor2img(images[split_start][batch_idx]).save(
                         f"{save_path}.webp",
@@ -151,7 +170,12 @@ class BuildGif:
                             for nested_batch in images[split_start + 1 : split_end]
                         ],
                         optimize=False,
-                        duration=125,
+                        duration=frame_duration,
                         loop=0,
                     )
-        return (out,)
+                    results.append({
+                        "filename": f"{file}.webp",
+                        "subfolder": subfolder,
+                        "type": "output"
+                    })
+        return { "ui": { "images": results } }