Add support for more modalities to conversation memory

griptape/common/prompt_stack/elements/prompt_stack_element.py

@@ -46,13 +46,9 @@ def to_text(self) -> str:
         return self.to_text_artifact().to_text()
 
     def to_text_artifact(self) -> TextArtifact:
-        if all(isinstance(content, TextPromptStackContent) for content in self.content):
-            artifact = TextArtifact(value="")
+        artifact = TextArtifact(value="")
 
-            for content in self.content:
-                if isinstance(content, TextPromptStackContent):
-                    artifact += content.artifact
+        for content in self.content:
+            artifact.value += content.artifact.to_text()
 
-            return artifact
-        else:
-            raise ValueError("Cannot convert to TextArtifact")
+        return artifact

griptape/common/prompt_stack/prompt_stack.py

@@ -3,38 +3,42 @@
 
 from griptape.artifacts import TextArtifact, BaseArtifact, ListArtifact, ImageArtifact
 from griptape.mixins import SerializableMixin
-from griptape.common import PromptStackElement, TextPromptStackContent, ImagePromptStackContent
+from griptape.common import PromptStackElement, TextPromptStackContent, BasePromptStackContent, ImagePromptStackContent
 
 
 @define
 class PromptStack(SerializableMixin):
     inputs: list[PromptStackElement] = field(factory=list, kw_only=True, metadata={"serializable": True})
 
     def add_input(self, content: str | BaseArtifact, role: str) -> PromptStackElement:
-        if isinstance(content, str):
-            self.inputs.append(PromptStackElement(content=[TextPromptStackContent(TextArtifact(content))], role=role))
-        elif isinstance(content, TextArtifact):
-            self.inputs.append(PromptStackElement(content=[TextPromptStackContent(content)], role=role))
-        elif isinstance(content, ListArtifact):
-            contents = []
-            for artifact in content.value:
-                if isinstance(artifact, TextArtifact):
-                    contents.append(TextPromptStackContent(artifact))
-                elif isinstance(artifact, ImageArtifact):
-                    contents.append(ImagePromptStackContent(artifact))
-                else:
-                    raise ValueError(f"Unsupported artifact type: {type(artifact)}")
-            self.inputs.append(PromptStackElement(content=contents, role=role))
-        else:
-            raise ValueError(f"Unsupported content type: {type(content)}")
+        new_content = self.__process_content(content)
+
+        self.inputs.append(PromptStackElement(content=new_content, role=role))
 
         return self.inputs[-1]
 
-    def add_system_input(self, content: str) -> PromptStackElement:
+    def add_system_input(self, content: str | BaseArtifact) -> PromptStackElement:
         return self.add_input(content, PromptStackElement.SYSTEM_ROLE)
 
     def add_user_input(self, content: str | BaseArtifact) -> PromptStackElement:
         return self.add_input(content, PromptStackElement.USER_ROLE)
 
-    def add_assistant_input(self, content: str) -> PromptStackElement:
+    def add_assistant_input(self, content: str | BaseArtifact) -> PromptStackElement:
         return self.add_input(content, PromptStackElement.ASSISTANT_ROLE)
+
+    def __process_content(self, content: str | BaseArtifact) -> list[BasePromptStackContent]:
+        if isinstance(content, str):
+            return [TextPromptStackContent(TextArtifact(content))]
+        elif isinstance(content, TextArtifact):
+            return [TextPromptStackContent(content)]
+        elif isinstance(content, ImageArtifact):
+            return [ImagePromptStackContent(content)]
+        elif isinstance(content, ListArtifact):
+            processed_contents = [self.__process_content(artifact) for artifact in content.value]
+            flattened_content = [
+                sub_content for processed_content in processed_contents for sub_content in processed_content
+            ]
+
+            return flattened_content
+        else:
+            raise ValueError(f"Unsupported content type: {type(content)}")

griptape/engines/summary/prompt_summary_engine.py

@@ -64,8 +64,8 @@ def summarize_artifacts_rec(
             return self.prompt_driver.run(
                 PromptStack(
                     inputs=[
-                        PromptStack.Input(system_prompt, role=PromptStack.SYSTEM_ROLE),
-                        PromptStack.Input(user_prompt, role=PromptStack.USER_ROLE),
+                        PromptStackElement(system_prompt, role=PromptStackElement.SYSTEM_ROLE),
+                        PromptStackElement(user_prompt, role=PromptStackElement.USER_ROLE),
                     ]
                 )
             )
@@ -79,8 +79,8 @@ def summarize_artifacts_rec(
                 self.prompt_driver.run(
                     PromptStack(
                         inputs=[
-                            PromptStack.Input(system_prompt, role=PromptStack.SYSTEM_ROLE),
-                            PromptStack.Input(partial_text, role=PromptStack.USER_ROLE),
+                            PromptStackElement(system_prompt, role=PromptStackElement.SYSTEM_ROLE),
+                            PromptStackElement(partial_text, role=PromptStackElement.USER_ROLE),
                         ]
                     )
                 ).value,

griptape/memory/structure/run.py

@@ -1,10 +1,11 @@
 import uuid
 from attrs import define, field, Factory
+from griptape.artifacts.base_artifact import BaseArtifact
 from griptape.mixins import SerializableMixin
 
 
 @define
 class Run(SerializableMixin):
     id: str = field(default=Factory(lambda: uuid.uuid4().hex), kw_only=True, metadata={"serializable": True})
-    input: str = field(kw_only=True, metadata={"serializable": True})
-    output: str = field(kw_only=True, metadata={"serializable": True})
+    input: BaseArtifact = field(kw_only=True, metadata={"serializable": True})
+    output: BaseArtifact = field(kw_only=True, metadata={"serializable": True})

griptape/structures/agent.py

@@ -51,12 +51,7 @@ def try_run(self, *args) -> Agent:
         self.task.execute()
 
         if self.conversation_memory and self.output is not None:
-            if isinstance(self.task.input, tuple):
-                input_text = self.task.input[0].to_text()
-            else:
-                input_text = self.task.input.to_text()
-
-            run = Run(input=input_text, output=self.task.output.to_text())
+            run = Run(input=self.input_task.input, output=self.output)
 
             self.conversation_memory.add_run(run)
 

griptape/structures/pipeline.py

@@ -46,12 +46,7 @@ def try_run(self, *args) -> Pipeline:
         self.__run_from_task(self.input_task)
 
         if self.conversation_memory and self.output is not None:
-            if isinstance(self.input_task.input, tuple):
-                input_text = self.input_task.input[0].to_text()
-            else:
-                input_text = self.input_task.input.to_text()
-
-            run = Run(input=input_text, output=self.output.to_text())
+            run = Run(input=self.input_task.input, output=self.output)
 
             self.conversation_memory.add_run(run)
 

griptape/structures/workflow.py

@@ -110,12 +110,7 @@ def try_run(self, *args) -> Workflow:
                     break
 
         if self.conversation_memory and self.output is not None:
-            if isinstance(self.input_task.input, tuple):
-                input_text = self.input_task.input[0].to_text()
-            else:
-                input_text = self.input_task.input.to_text()
-
-            run = Run(input=input_text, output=self.output_task.output.to_text())
+            run = Run(input=self.input_task.input, output=self.output)
 
             self.conversation_memory.add_run(run)
 

griptape/tasks/base_text_input_task.py

@@ -52,7 +52,7 @@ def _process_task_input(
 
             return task_input
         elif isinstance(task_input, Callable):
-            return task_input(self)
+            return self._process_task_input(task_input(self))
         elif isinstance(task_input, str):
             return self._process_task_input(TextArtifact(task_input))
         elif isinstance(task_input, BaseArtifact):

griptape/tasks/prompt_task.py

@@ -33,7 +33,7 @@ def prompt_stack(self) -> PromptStack:
         stack.add_user_input(self.input)
 
         if self.output:
-            stack.add_assistant_input(self.output.to_text())
+            stack.add_assistant_input(self.output)
 
         if memory:
             # inserting at index 1 to place memory right after system prompt

griptape/tasks/toolkit_task.py

@@ -67,7 +67,7 @@ def prompt_stack(self) -> PromptStack:
 
         stack.add_system_input(self.generate_system_template(self))
 
-        stack.add_user_input(self.input.to_text())
+        stack.add_user_input(self.input)
 
         if self.output:
             stack.add_assistant_input(self.output.to_text())

griptape/tools/prompt_image_generation_client/tool.py

@@ -30,20 +30,15 @@ class PromptImageGenerationClient(BlobArtifactFileOutputMixin, BaseTool):
                     Literal(
                         "prompts",
                         description="A detailed list of features and descriptions to include in the generated image.",
-                    ): list[str],
-                    Literal(
-                        "negative_prompts",
-                        description="A detailed list of features and descriptions to avoid in the generated image.",
-                    ): list[str],
+                    ): list[str]
                 }
             ),
         }
     )
     def generate_image(self, params: dict[str, dict[str, list[str]]]) -> ImageArtifact | ErrorArtifact:
         prompts = params["values"]["prompts"]
-        negative_prompts = params["values"]["negative_prompts"]
 
-        output_artifact = self.engine.run(prompts=prompts, negative_prompts=negative_prompts)
+        output_artifact = self.engine.run(prompts=prompts)
 
         if self.output_dir or self.output_file:
             self._write_to_file(output_artifact)

tests/unit/drivers/memory/conversation/test_dynamodb_conversation_memory_driver.py

@@ -81,5 +81,5 @@ def test_load(self):
 
         assert new_memory.type == "ConversationMemory"
         assert len(new_memory.runs) == 2
-        assert new_memory.runs[0].input == "test"
-        assert new_memory.runs[0].output == "mock output"
+        assert new_memory.runs[0].input.value == "test"
+        assert new_memory.runs[0].output.value == "mock output"

tests/unit/drivers/memory/conversation/test_local_conversation_memory_driver.py

@@ -52,8 +52,8 @@ def test_load(self):
 
         assert new_memory.type == "ConversationMemory"
         assert len(new_memory.runs) == 2
-        assert new_memory.runs[0].input == "test"
-        assert new_memory.runs[0].output == "mock output"
+        assert new_memory.runs[0].input.value == "test"
+        assert new_memory.runs[0].output.value == "mock output"
         assert new_memory.max_runs == 5
 
     def test_autoload(self):
@@ -71,8 +71,8 @@ def test_autoload(self):
 
         assert autoloaded_memory.type == "ConversationMemory"
         assert len(autoloaded_memory.runs) == 2
-        assert autoloaded_memory.runs[0].input == "test"
-        assert autoloaded_memory.runs[0].output == "mock output"
+        assert autoloaded_memory.runs[0].input.value == "test"
+        assert autoloaded_memory.runs[0].output.value == "mock output"
 
     def __delete_file(self, file_path):
         try:

tests/unit/drivers/memory/conversation/test_redis_conversation_memory_driver.py

@@ -3,7 +3,7 @@
 from griptape.memory.structure.base_conversation_memory import BaseConversationMemory
 from griptape.drivers.memory.conversation.redis_conversation_memory_driver import RedisConversationMemoryDriver
 
-TEST_CONVERSATION = '{"type": "ConversationMemory", "runs": [{"type": "Run", "id": "729ca6be5d79433d9762eb06dfd677e2", "input": "Hi There, Hello", "output": "Hello! How can I assist you today?"}], "max_runs": 2}'
+TEST_CONVERSATION = '{"type": "ConversationMemory", "runs": [{"type": "Run", "id": "729ca6be5d79433d9762eb06dfd677e2", "input": {"type": "TextArtifact", "id": "1234", "value": "Hi There, Hello"}, "output": {"type": "TextArtifact", "id": "123", "value": "Hello! How can I assist you today?"}}], "max_runs": 2}'
 CONVERSATION_ID = "117151897f344ff684b553d0655d8f39"
 INDEX = "griptape_converstaion"
 HOST = "127.0.0.1"

tests/unit/memory/structure/test_conversation_memory.py

@@ -6,34 +6,35 @@
 from tests.mocks.mock_prompt_driver import MockPromptDriver
 from tests.mocks.mock_tokenizer import MockTokenizer
 from griptape.tasks import PromptTask
+from griptape.artifacts import TextArtifact
 
 
 class TestConversationMemory:
     def test_add_run(self):
         memory = ConversationMemory()
-        run = Run(input="test", output="test")
+        run = Run(input=TextArtifact("foo"), output=TextArtifact("bar"))
 
         memory.add_run(run)
 
         assert memory.runs[0] == run
 
     def test_to_json(self):
         memory = ConversationMemory()
-        memory.add_run(Run(input="foo", output="bar"))
+        memory.add_run(Run(input=TextArtifact("foo"), output=TextArtifact("bar")))
 
         assert json.loads(memory.to_json())["type"] == "ConversationMemory"
-        assert json.loads(memory.to_json())["runs"][0]["input"] == "foo"
+        assert json.loads(memory.to_json())["runs"][0]["input"]["value"] == "foo"
 
     def test_to_dict(self):
         memory = ConversationMemory()
-        memory.add_run(Run(input="foo", output="bar"))
+        memory.add_run(Run(input=TextArtifact("foo"), output=TextArtifact("bar")))
 
         assert memory.to_dict()["type"] == "ConversationMemory"
-        assert memory.to_dict()["runs"][0]["input"] == "foo"
+        assert memory.to_dict()["runs"][0]["input"]["value"] == "foo"
 
     def test_to_prompt_stack(self):
         memory = ConversationMemory()
-        memory.add_run(Run(input="foo", output="bar"))
+        memory.add_run(Run(input=TextArtifact("foo"), output=TextArtifact("bar")))
 
         prompt_stack = memory.to_prompt_stack()
 
@@ -42,19 +43,19 @@ def test_to_prompt_stack(self):
 
     def test_from_dict(self):
         memory = ConversationMemory()
-        memory.add_run(Run(input="foo", output="bar"))
+        memory.add_run(Run(input=TextArtifact("foo"), output=TextArtifact("bar")))
         memory_dict = memory.to_dict()
 
         assert isinstance(BaseConversationMemory.from_dict(memory_dict), ConversationMemory)
-        assert BaseConversationMemory.from_dict(memory_dict).runs[0].input == "foo"
+        assert BaseConversationMemory.from_dict(memory_dict).runs[0].input.value == "foo"
 
     def test_from_json(self):
         memory = ConversationMemory()
-        memory.add_run(Run(input="foo", output="bar"))
+        memory.add_run(Run(input=TextArtifact("foo"), output=TextArtifact("bar")))
         memory_dict = memory.to_dict()
 
         assert isinstance(memory.from_dict(memory_dict), ConversationMemory)
-        assert memory.from_dict(memory_dict).runs[0].input == "foo"
+        assert memory.from_dict(memory_dict).runs[0].input.value == "foo"
 
     def test_buffering(self):
         memory = ConversationMemory(max_runs=2)
@@ -70,24 +71,24 @@ def test_buffering(self):
         pipeline.run("run5")
 
         assert len(pipeline.conversation_memory.runs) == 2
-        assert pipeline.conversation_memory.runs[0].input == "run4"
-        assert pipeline.conversation_memory.runs[1].input == "run5"
+        assert pipeline.conversation_memory.runs[0].input.value == "run4"
+        assert pipeline.conversation_memory.runs[1].input.value == "run5"
 
     def test_add_to_prompt_stack_autopruing_disabled(self):
         agent = Agent(prompt_driver=MockPromptDriver())
         memory = ConversationMemory(
             autoprune=False,
             runs=[
-                Run(input="foo1", output="bar1"),
-                Run(input="foo2", output="bar2"),
-                Run(input="foo3", output="bar3"),
-                Run(input="foo4", output="bar4"),
-                Run(input="foo5", output="bar5"),
+                Run(input=TextArtifact("foo1"), output=TextArtifact("bar1")),
+                Run(input=TextArtifact("foo2"), output=TextArtifact("bar2")),
+                Run(input=TextArtifact("foo3"), output=TextArtifact("bar3")),
+                Run(input=TextArtifact("foo4"), output=TextArtifact("bar4")),
+                Run(input=TextArtifact("foo5"), output=TextArtifact("bar5")),
             ],
         )
         memory.structure = agent
         prompt_stack = PromptStack()
-        prompt_stack.add_user_input("foo")
+        prompt_stack.add_user_input(TextArtifact("foo"))
         prompt_stack.add_assistant_input("bar")
         memory.add_to_prompt_stack(prompt_stack)
 
@@ -99,11 +100,11 @@ def test_add_to_prompt_stack_autopruing_enabled(self):
         memory = ConversationMemory(
             autoprune=True,
             runs=[
-                Run(input="foo1", output="bar1"),
-                Run(input="foo2", output="bar2"),
-                Run(input="foo3", output="bar3"),
-                Run(input="foo4", output="bar4"),
-                Run(input="foo5", output="bar5"),
+                Run(input=TextArtifact("foo1"), output=TextArtifact("bar1")),
+                Run(input=TextArtifact("foo2"), output=TextArtifact("bar2")),
+                Run(input=TextArtifact("foo3"), output=TextArtifact("bar3")),
+                Run(input=TextArtifact("foo4"), output=TextArtifact("bar4")),
+                Run(input=TextArtifact("foo5"), output=TextArtifact("bar5")),
             ],
         )
         memory.structure = agent
@@ -120,11 +121,11 @@ def test_add_to_prompt_stack_autopruing_enabled(self):
         memory = ConversationMemory(
             autoprune=True,
             runs=[
-                Run(input="foo1", output="bar1"),
-                Run(input="foo2", output="bar2"),
-                Run(input="foo3", output="bar3"),
-                Run(input="foo4", output="bar4"),
-                Run(input="foo5", output="bar5"),
+                Run(input=TextArtifact("foo1"), output=TextArtifact("bar1")),
+                Run(input=TextArtifact("foo2"), output=TextArtifact("bar2")),
+                Run(input=TextArtifact("foo3"), output=TextArtifact("bar3")),
+                Run(input=TextArtifact("foo4"), output=TextArtifact("bar4")),
+                Run(input=TextArtifact("foo5"), output=TextArtifact("bar5")),
             ],
         )
         memory.structure = agent
@@ -144,11 +145,11 @@ def test_add_to_prompt_stack_autopruing_enabled(self):
             autoprune=True,
             runs=[
                 # All of these sum to 155 tokens with the MockTokenizer.
-                Run(input="foo1", output="bar1"),
-                Run(input="foo2", output="bar2"),
-                Run(input="foo3", output="bar3"),
-                Run(input="foo4", output="bar4"),
-                Run(input="foo5", output="bar5"),
+                Run(input=TextArtifact("foo1"), output=TextArtifact("bar1")),
+                Run(input=TextArtifact("foo2"), output=TextArtifact("bar2")),
+                Run(input=TextArtifact("foo3"), output=TextArtifact("bar3")),
+                Run(input=TextArtifact("foo4"), output=TextArtifact("bar4")),
+                Run(input=TextArtifact("foo5"), output=TextArtifact("bar5")),
             ],
         )
         memory.structure = agent