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| { | |
| "id": "26c412c9-9e4a-406d-aadb-ef9a81badb3f", | |
| "data": { | |
| "nodes": [ | |
| { | |
| "data": { | |
| "description": "Create a prompt template with dynamic variables.", | |
| "display_name": "Prompt", | |
| "id": "Prompt-iWbCC", | |
| "node": { | |
| "base_classes": [ | |
| "Message" | |
| ], | |
| "beta": false, | |
| "conditional_paths": [], | |
| "custom_fields": { | |
| "template": [ | |
| "context", | |
| "user_message" | |
| ] | |
| }, | |
| "description": "Create a prompt template with dynamic variables.", | |
| "display_name": "Prompt", | |
| "documentation": "", | |
| "edited": false, | |
| "field_order": [ | |
| "template" | |
| ], | |
| "frozen": false, | |
| "icon": "prompts", | |
| "output_types": [], | |
| "outputs": [ | |
| { | |
| "cache": true, | |
| "display_name": "Prompt Message", | |
| "method": "build_prompt", | |
| "name": "prompt", | |
| "selected": "Message", | |
| "types": [ | |
| "Message" | |
| ], | |
| "value": "__UNDEFINED__" | |
| } | |
| ], | |
| "pinned": false, | |
| "template": { | |
| "_type": "Component", | |
| "code": { | |
| "advanced": true, | |
| "dynamic": true, | |
| "fileTypes": [], | |
| "file_path": "", | |
| "info": "", | |
| "list": false, | |
| "load_from_db": false, | |
| "multiline": true, | |
| "name": "code", | |
| "password": false, | |
| "placeholder": "", | |
| "required": true, | |
| "show": true, | |
| "title_case": false, | |
| "type": "code", | |
| "value": "from langflow.base.prompts.api_utils import process_prompt_template\nfrom langflow.custom import Component\nfrom langflow.io import Output, PromptInput\nfrom langflow.schema.message import Message\nfrom langflow.template.utils import update_template_values\n\n\nclass PromptComponent(Component):\n display_name: str = \"Prompt\"\n description: str = \"Create a prompt template with dynamic variables.\"\n icon = \"prompts\"\n trace_type = \"prompt\"\n name = \"Prompt\"\n\n inputs = [\n PromptInput(name=\"template\", display_name=\"Template\"),\n ]\n\n outputs = [\n Output(display_name=\"Prompt Message\", name=\"prompt\", method=\"build_prompt\"),\n ]\n\n async def build_prompt(\n self,\n ) -> Message:\n prompt = await Message.from_template_and_variables(**self._attributes)\n self.status = prompt.text\n return prompt\n\n def post_code_processing(self, new_frontend_node: dict, current_frontend_node: dict):\n \"\"\"\n This function is called after the code validation is done.\n \"\"\"\n frontend_node = super().post_code_processing(new_frontend_node, current_frontend_node)\n template = frontend_node[\"template\"][\"template\"][\"value\"]\n _ = process_prompt_template(\n template=template,\n name=\"template\",\n custom_fields=frontend_node[\"custom_fields\"],\n frontend_node_template=frontend_node[\"template\"],\n )\n # Now that template is updated, we need to grab any values that were set in the current_frontend_node\n # and update the frontend_node with those values\n update_template_values(new_template=frontend_node, previous_template=current_frontend_node[\"template\"])\n return frontend_node\n" | |
| }, | |
| "context": { | |
| "advanced": false, | |
| "display_name": "context", | |
| "dynamic": false, | |
| "field_type": "str", | |
| "fileTypes": [], | |
| "file_path": "", | |
| "info": "", | |
| "input_types": [ | |
| "Message", | |
| "Text" | |
| ], | |
| "list": false, | |
| "load_from_db": false, | |
| "multiline": true, | |
| "name": "context", | |
| "password": false, | |
| "placeholder": "", | |
| "required": false, | |
| "show": true, | |
| "title_case": false, | |
| "type": "str", | |
| "value": "" | |
| }, | |
| "template": { | |
| "advanced": false, | |
| "display_name": "Template", | |
| "dynamic": false, | |
| "info": "", | |
| "list": false, | |
| "load_from_db": false, | |
| "name": "template", | |
| "placeholder": "", | |
| "required": false, | |
| "show": true, | |
| "title_case": false, | |
| "trace_as_input": true, | |
| "type": "prompt", | |
| "value": "{context}\n\nUser: {user_message}\nAI: " | |
| }, | |
| "user_message": { | |
| "advanced": false, | |
| "display_name": "user_message", | |
| "dynamic": false, | |
| "field_type": "str", | |
| "fileTypes": [], | |
| "file_path": "", | |
| "info": "", | |
| "input_types": [ | |
| "Message", | |
| "Text" | |
| ], | |
| "list": false, | |
| "load_from_db": false, | |
| "multiline": true, | |
| "name": "user_message", | |
| "password": false, | |
| "placeholder": "", | |
| "required": false, | |
| "show": true, | |
| "title_case": false, | |
| "type": "str", | |
| "value": "" | |
| } | |
| } | |
| }, | |
| "type": "Prompt" | |
| }, | |
| "dragging": false, | |
| "height": 494, | |
| "id": "Prompt-iWbCC", | |
| "position": { | |
| "x": 1880.8227904110583, | |
| "y": 625.8049209882275 | |
| }, | |
| "positionAbsolute": { | |
| "x": 1880.8227904110583, | |
| "y": 625.8049209882275 | |
| }, | |
| "selected": false, | |
| "type": "genericNode", | |
| "width": 384 | |
| }, | |
| { | |
| "data": { | |
| "description": "Get chat inputs from the Playground.", | |
| "display_name": "Chat Input", | |
| "id": "ChatInput-CIGht", | |
| "node": { | |
| "template": { | |
| "_type": "Component", | |
| "files": { | |
| "trace_as_metadata": true, | |
| "file_path": "", | |
| "fileTypes": [ | |
| "txt", | |
| "md", | |
| "mdx", | |
| "csv", | |
| "json", | |
| "yaml", | |
| "yml", | |
| "xml", | |
| "html", | |
| "htm", | |
| "pdf", | |
| "docx", | |
| "py", | |
| "sh", | |
| "sql", | |
| "js", | |
| "ts", | |
| "tsx", | |
| "jpg", | |
| "jpeg", | |
| "png", | |
| "bmp", | |
| "image" | |
| ], | |
| "list": true, | |
| "required": false, | |
| "placeholder": "", | |
| "show": true, | |
| "value": "", | |
| "name": "files", | |
| "display_name": "Files", | |
| "advanced": true, | |
| "dynamic": false, | |
| "info": "Files to be sent with the message.", | |
| "title_case": false, | |
| "type": "file" | |
| }, | |
| "code": { | |
| "type": "code", | |
| "required": true, | |
| "placeholder": "", | |
| "list": false, | |
| "show": true, | |
| "multiline": true, | |
| "value": "from langflow.base.data.utils import IMG_FILE_TYPES, TEXT_FILE_TYPES\nfrom langflow.base.io.chat import ChatComponent\nfrom langflow.inputs import BoolInput\nfrom langflow.io import DropdownInput, FileInput, MessageTextInput, MultilineInput, Output\nfrom langflow.memory import store_message\nfrom langflow.schema.message import Message\n\n\nclass ChatInput(ChatComponent):\n display_name = \"Chat Input\"\n description = \"Get chat inputs from the Playground.\"\n icon = \"ChatInput\"\n name = \"ChatInput\"\n\n inputs = [\n MultilineInput(\n name=\"input_value\",\n display_name=\"Text\",\n value=\"\",\n info=\"Message to be passed as input.\",\n ),\n BoolInput(\n name=\"should_store_message\",\n display_name=\"Store Messages\",\n info=\"Store the message in the history.\",\n value=True,\n advanced=True,\n ),\n DropdownInput(\n name=\"sender\",\n display_name=\"Sender Type\",\n options=[\"Machine\", \"User\"],\n value=\"User\",\n info=\"Type of sender.\",\n advanced=True,\n ),\n MessageTextInput(\n name=\"sender_name\",\n display_name=\"Sender Name\",\n info=\"Name of the sender.\",\n value=\"User\",\n advanced=True,\n ),\n MessageTextInput(\n name=\"session_id\", display_name=\"Session ID\", info=\"Session ID for the message.\", advanced=True\n ),\n FileInput(\n name=\"files\",\n display_name=\"Files\",\n file_types=TEXT_FILE_TYPES + IMG_FILE_TYPES,\n info=\"Files to be sent with the message.\",\n advanced=True,\n is_list=True,\n ),\n ]\n outputs = [\n Output(display_name=\"Message\", name=\"message\", method=\"message_response\"),\n ]\n\n def message_response(self) -> Message:\n message = Message(\n text=self.input_value,\n sender=self.sender,\n sender_name=self.sender_name,\n session_id=self.session_id,\n files=self.files,\n )\n\n if (\n self.session_id\n and isinstance(message, Message)\n and isinstance(message.text, str)\n and self.should_store_message\n ):\n store_message(\n message,\n flow_id=self.graph.flow_id,\n )\n self.message.value = message\n\n self.status = message\n return message\n", | |
| "fileTypes": [], | |
| "file_path": "", | |
| "password": false, | |
| "name": "code", | |
| "advanced": true, | |
| "dynamic": true, | |
| "info": "", | |
| "load_from_db": false, | |
| "title_case": false | |
| }, | |
| "input_value": { | |
| "trace_as_input": true, | |
| "multiline": true, | |
| "trace_as_metadata": true, | |
| "load_from_db": false, | |
| "list": false, | |
| "required": false, | |
| "placeholder": "", | |
| "show": true, | |
| "value": "", | |
| "name": "input_value", | |
| "display_name": "Text", | |
| "advanced": false, | |
| "input_types": [ | |
| "Message" | |
| ], | |
| "dynamic": false, | |
| "info": "Message to be passed as input.", | |
| "title_case": false, | |
| "type": "str" | |
| }, | |
| "sender": { | |
| "trace_as_metadata": true, | |
| "options": [ | |
| "Machine", | |
| "User" | |
| ], | |
| "required": false, | |
| "placeholder": "", | |
| "show": true, | |
| "value": "User", | |
| "name": "sender", | |
| "display_name": "Sender Type", | |
| "advanced": true, | |
| "dynamic": false, | |
| "info": "Type of sender.", | |
| "title_case": false, | |
| "type": "str" | |
| }, | |
| "sender_name": { | |
| "trace_as_input": true, | |
| "trace_as_metadata": true, | |
| "load_from_db": false, | |
| "list": false, | |
| "required": false, | |
| "placeholder": "", | |
| "show": true, | |
| "value": "User", | |
| "name": "sender_name", | |
| "display_name": "Sender Name", | |
| "advanced": true, | |
| "input_types": [ | |
| "Message" | |
| ], | |
| "dynamic": false, | |
| "info": "Name of the sender.", | |
| "title_case": false, | |
| "type": "str" | |
| }, | |
| "session_id": { | |
| "trace_as_input": true, | |
| "trace_as_metadata": true, | |
| "load_from_db": false, | |
| "list": false, | |
| "required": false, | |
| "placeholder": "", | |
| "show": true, | |
| "value": "", | |
| "name": "session_id", | |
| "display_name": "Session ID", | |
| "advanced": true, | |
| "input_types": [ | |
| "Message" | |
| ], | |
| "dynamic": false, | |
| "info": "Session ID for the message.", | |
| "title_case": false, | |
| "type": "str" | |
| }, | |
| "should_store_message": { | |
| "trace_as_metadata": true, | |
| "list": false, | |
| "required": false, | |
| "placeholder": "", | |
| "show": true, | |
| "value": true, | |
| "name": "should_store_message", | |
| "display_name": "Store Messages", | |
| "advanced": true, | |
| "dynamic": false, | |
| "info": "Store the message in the history.", | |
| "title_case": false, | |
| "type": "bool" | |
| } | |
| }, | |
| "description": "Get chat inputs from the Playground.", | |
| "icon": "ChatInput", | |
| "base_classes": [ | |
| "Message" | |
| ], | |
| "display_name": "Chat Input", | |
| "documentation": "", | |
| "custom_fields": {}, | |
| "output_types": [], | |
| "pinned": false, | |
| "conditional_paths": [], | |
| "frozen": false, | |
| "outputs": [ | |
| { | |
| "types": [ | |
| "Message" | |
| ], | |
| "selected": "Message", | |
| "name": "message", | |
| "display_name": "Message", | |
| "method": "message_response", | |
| "value": "__UNDEFINED__", | |
| "cache": true | |
| } | |
| ], | |
| "field_order": [ | |
| "input_value", | |
| "should_store_message", | |
| "sender", | |
| "sender_name", | |
| "session_id", | |
| "files" | |
| ], | |
| "beta": false, | |
| "edited": false | |
| }, | |
| "type": "ChatInput" | |
| }, | |
| "dragging": false, | |
| "height": 294, | |
| "id": "ChatInput-CIGht", | |
| "position": { | |
| "x": 1275.9262193671882, | |
| "y": 836.1228056896347 | |
| }, | |
| "positionAbsolute": { | |
| "x": 1275.9262193671882, | |
| "y": 836.1228056896347 | |
| }, | |
| "selected": false, | |
| "type": "genericNode", | |
| "width": 384 | |
| }, | |
| { | |
| "data": { | |
| "description": "Display a chat message in the Playground.", | |
| "display_name": "Chat Output", | |
| "id": "ChatOutput-QA7ej", | |
| "node": { | |
| "template": { | |
| "_type": "Component", | |
| "code": { | |
| "type": "code", | |
| "required": true, | |
| "placeholder": "", | |
| "list": false, | |
| "show": true, | |
| "multiline": true, | |
| "value": "from langflow.base.io.chat import ChatComponent\nfrom langflow.inputs import BoolInput\nfrom langflow.io import DropdownInput, MessageTextInput, Output\nfrom langflow.memory import store_message\nfrom langflow.schema.message import Message\n\n\nclass ChatOutput(ChatComponent):\n display_name = \"Chat Output\"\n description = \"Display a chat message in the Playground.\"\n icon = \"ChatOutput\"\n name = \"ChatOutput\"\n\n inputs = [\n MessageTextInput(\n name=\"input_value\",\n display_name=\"Text\",\n info=\"Message to be passed as output.\",\n ),\n BoolInput(\n name=\"should_store_message\",\n display_name=\"Store Messages\",\n info=\"Store the message in the history.\",\n value=True,\n advanced=True,\n ),\n DropdownInput(\n name=\"sender\",\n display_name=\"Sender Type\",\n options=[\"Machine\", \"User\"],\n value=\"Machine\",\n advanced=True,\n info=\"Type of sender.\",\n ),\n MessageTextInput(\n name=\"sender_name\", display_name=\"Sender Name\", info=\"Name of the sender.\", value=\"AI\", advanced=True\n ),\n MessageTextInput(\n name=\"session_id\", display_name=\"Session ID\", info=\"Session ID for the message.\", advanced=True\n ),\n MessageTextInput(\n name=\"data_template\",\n display_name=\"Data Template\",\n value=\"{text}\",\n advanced=True,\n info=\"Template to convert Data to Text. If left empty, it will be dynamically set to the Data's text key.\",\n ),\n ]\n outputs = [\n Output(display_name=\"Message\", name=\"message\", method=\"message_response\"),\n ]\n\n def message_response(self) -> Message:\n message = Message(\n text=self.input_value,\n sender=self.sender,\n sender_name=self.sender_name,\n session_id=self.session_id,\n )\n if (\n self.session_id\n and isinstance(message, Message)\n and isinstance(message.text, str)\n and self.should_store_message\n ):\n store_message(\n message,\n flow_id=self.graph.flow_id,\n )\n self.message.value = message\n\n self.status = message\n return message\n", | |
| "fileTypes": [], | |
| "file_path": "", | |
| "password": false, | |
| "name": "code", | |
| "advanced": true, | |
| "dynamic": true, | |
| "info": "", | |
| "load_from_db": false, | |
| "title_case": false | |
| }, | |
| "data_template": { | |
| "trace_as_input": true, | |
| "trace_as_metadata": true, | |
| "load_from_db": false, | |
| "list": false, | |
| "required": false, | |
| "placeholder": "", | |
| "show": true, | |
| "value": "{text}", | |
| "name": "data_template", | |
| "display_name": "Data Template", | |
| "advanced": true, | |
| "input_types": [ | |
| "Message" | |
| ], | |
| "dynamic": false, | |
| "info": "Template to convert Data to Text. If left empty, it will be dynamically set to the Data's text key.", | |
| "title_case": false, | |
| "type": "str" | |
| }, | |
| "input_value": { | |
| "trace_as_input": true, | |
| "trace_as_metadata": true, | |
| "load_from_db": false, | |
| "list": false, | |
| "required": false, | |
| "placeholder": "", | |
| "show": true, | |
| "value": "", | |
| "name": "input_value", | |
| "display_name": "Text", | |
| "advanced": false, | |
| "input_types": [ | |
| "Message" | |
| ], | |
| "dynamic": false, | |
| "info": "Message to be passed as output.", | |
| "title_case": false, | |
| "type": "str" | |
| }, | |
| "sender": { | |
| "trace_as_metadata": true, | |
| "options": [ | |
| "Machine", | |
| "User" | |
| ], | |
| "required": false, | |
| "placeholder": "", | |
| "show": true, | |
| "value": "Machine", | |
| "name": "sender", | |
| "display_name": "Sender Type", | |
| "advanced": true, | |
| "dynamic": false, | |
| "info": "Type of sender.", | |
| "title_case": false, | |
| "type": "str" | |
| }, | |
| "sender_name": { | |
| "trace_as_input": true, | |
| "trace_as_metadata": true, | |
| "load_from_db": false, | |
| "list": false, | |
| "required": false, | |
| "placeholder": "", | |
| "show": true, | |
| "value": "AI", | |
| "name": "sender_name", | |
| "display_name": "Sender Name", | |
| "advanced": true, | |
| "input_types": [ | |
| "Message" | |
| ], | |
| "dynamic": false, | |
| "info": "Name of the sender.", | |
| "title_case": false, | |
| "type": "str" | |
| }, | |
| "session_id": { | |
| "trace_as_input": true, | |
| "trace_as_metadata": true, | |
| "load_from_db": false, | |
| "list": false, | |
| "required": false, | |
| "placeholder": "", | |
| "show": true, | |
| "value": "", | |
| "name": "session_id", | |
| "display_name": "Session ID", | |
| "advanced": true, | |
| "input_types": [ | |
| "Message" | |
| ], | |
| "dynamic": false, | |
| "info": "Session ID for the message.", | |
| "title_case": false, | |
| "type": "str" | |
| }, | |
| "should_store_message": { | |
| "trace_as_metadata": true, | |
| "list": false, | |
| "required": false, | |
| "placeholder": "", | |
| "show": true, | |
| "value": true, | |
| "name": "should_store_message", | |
| "display_name": "Store Messages", | |
| "advanced": true, | |
| "dynamic": false, | |
| "info": "Store the message in the history.", | |
| "title_case": false, | |
| "type": "bool" | |
| } | |
| }, | |
| "description": "Display a chat message in the Playground.", | |
| "icon": "ChatOutput", | |
| "base_classes": [ | |
| "Message" | |
| ], | |
| "display_name": "Chat Output", | |
| "documentation": "", | |
| "custom_fields": {}, | |
| "output_types": [], | |
| "pinned": false, | |
| "conditional_paths": [], | |
| "frozen": false, | |
| "outputs": [ | |
| { | |
| "types": [ | |
| "Message" | |
| ], | |
| "selected": "Message", | |
| "name": "message", | |
| "display_name": "Message", | |
| "method": "message_response", | |
| "value": "__UNDEFINED__", | |
| "cache": true | |
| } | |
| ], | |
| "field_order": [ | |
| "input_value", | |
| "should_store_message", | |
| "sender", | |
| "sender_name", | |
| "session_id", | |
| "data_template" | |
| ], | |
| "beta": false, | |
| "edited": false | |
| }, | |
| "type": "ChatOutput" | |
| }, | |
| "height": 294, | |
| "id": "ChatOutput-QA7ej", | |
| "position": { | |
| "x": 2487.48936094892, | |
| "y": 703.7197762654707 | |
| }, | |
| "selected": true, | |
| "type": "genericNode", | |
| "width": 384, | |
| "positionAbsolute": { | |
| "x": 2487.48936094892, | |
| "y": 703.7197762654707 | |
| }, | |
| "dragging": true | |
| }, | |
| { | |
| "data": { | |
| "description": "Retrieves stored chat messages from Langflow tables or an external memory.", | |
| "display_name": "Chat Memory", | |
| "id": "Memory-amN4Z", | |
| "node": { | |
| "base_classes": [ | |
| "BaseChatMemory", | |
| "Data", | |
| "Message" | |
| ], | |
| "beta": false, | |
| "conditional_paths": [], | |
| "custom_fields": {}, | |
| "description": "Retrieves stored chat messages from Langflow tables or an external memory.", | |
| "display_name": "Chat Memory", | |
| "documentation": "", | |
| "edited": false, | |
| "field_order": [ | |
| "memory", | |
| "sender", | |
| "sender_name", | |
| "n_messages", | |
| "session_id", | |
| "order", | |
| "template" | |
| ], | |
| "frozen": false, | |
| "icon": "message-square-more", | |
| "output_types": [], | |
| "outputs": [ | |
| { | |
| "cache": true, | |
| "display_name": "Messages (Data)", | |
| "method": "retrieve_messages", | |
| "name": "messages", | |
| "selected": "Data", | |
| "types": [ | |
| "Data" | |
| ], | |
| "value": "__UNDEFINED__" | |
| }, | |
| { | |
| "cache": true, | |
| "display_name": "Messages (Text)", | |
| "method": "retrieve_messages_as_text", | |
| "name": "messages_text", | |
| "selected": "Message", | |
| "types": [ | |
| "Message" | |
| ], | |
| "value": "__UNDEFINED__" | |
| }, | |
| { | |
| "cache": true, | |
| "display_name": "Memory", | |
| "method": "build_lc_memory", | |
| "name": "lc_memory", | |
| "selected": "BaseChatMemory", | |
| "types": [ | |
| "BaseChatMemory" | |
| ], | |
| "value": "__UNDEFINED__" | |
| } | |
| ], | |
| "pinned": false, | |
| "template": { | |
| "_type": "Component", | |
| "code": { | |
| "advanced": true, | |
| "dynamic": true, | |
| "fileTypes": [], | |
| "file_path": "", | |
| "info": "", | |
| "list": false, | |
| "load_from_db": false, | |
| "multiline": true, | |
| "name": "code", | |
| "password": false, | |
| "placeholder": "", | |
| "required": true, | |
| "show": true, | |
| "title_case": false, | |
| "type": "code", | |
| "value": "from langflow.custom import Component\nfrom langflow.helpers.data import data_to_text\nfrom langflow.inputs import HandleInput\nfrom langflow.io import DropdownInput, IntInput, MessageTextInput, MultilineInput, Output\nfrom langflow.memory import get_messages, LCBuiltinChatMemory\nfrom langflow.schema import Data\nfrom langflow.schema.message import Message\nfrom langflow.field_typing import BaseChatMemory\nfrom langchain.memory import ConversationBufferMemory\n\n\nclass MemoryComponent(Component):\n display_name = \"Chat Memory\"\n description = \"Retrieves stored chat messages from Langflow tables or an external memory.\"\n icon = \"message-square-more\"\n name = \"Memory\"\n\n inputs = [\n HandleInput(\n name=\"memory\",\n display_name=\"External Memory\",\n input_types=[\"BaseChatMessageHistory\"],\n info=\"Retrieve messages from an external memory. If empty, it will use the Langflow tables.\",\n ),\n DropdownInput(\n name=\"sender\",\n display_name=\"Sender Type\",\n options=[\"Machine\", \"User\", \"Machine and User\"],\n value=\"Machine and User\",\n info=\"Type of sender.\",\n advanced=True,\n ),\n MessageTextInput(\n name=\"sender_name\",\n display_name=\"Sender Name\",\n info=\"Name of the sender.\",\n advanced=True,\n ),\n IntInput(\n name=\"n_messages\",\n display_name=\"Number of Messages\",\n value=100,\n info=\"Number of messages to retrieve.\",\n advanced=True,\n ),\n MessageTextInput(\n name=\"session_id\",\n display_name=\"Session ID\",\n info=\"Session ID of the chat history.\",\n advanced=True,\n ),\n DropdownInput(\n name=\"order\",\n display_name=\"Order\",\n options=[\"Ascending\", \"Descending\"],\n value=\"Ascending\",\n info=\"Order of the messages.\",\n advanced=True,\n ),\n MultilineInput(\n name=\"template\",\n display_name=\"Template\",\n info=\"The template to use for formatting the data. It can contain the keys {text}, {sender} or any other key in the message data.\",\n value=\"{sender_name}: {text}\",\n advanced=True,\n ),\n ]\n\n outputs = [\n Output(display_name=\"Messages (Data)\", name=\"messages\", method=\"retrieve_messages\"),\n Output(display_name=\"Messages (Text)\", name=\"messages_text\", method=\"retrieve_messages_as_text\"),\n Output(display_name=\"Memory\", name=\"lc_memory\", method=\"build_lc_memory\"),\n ]\n\n def retrieve_messages(self) -> Data:\n sender = self.sender\n sender_name = self.sender_name\n session_id = self.session_id\n n_messages = self.n_messages\n order = \"DESC\" if self.order == \"Descending\" else \"ASC\"\n\n if sender == \"Machine and User\":\n sender = None\n\n if self.memory:\n # override session_id\n self.memory.session_id = session_id\n\n stored = self.memory.messages\n if sender:\n expected_type = \"Machine\" if sender == \"Machine\" else \"User\"\n stored = [m for m in stored if m.type == expected_type]\n if order == \"ASC\":\n stored = stored[::-1]\n if n_messages:\n stored = stored[:n_messages]\n stored = [Message.from_lc_message(m) for m in stored]\n else:\n stored = get_messages(\n sender=sender,\n sender_name=sender_name,\n session_id=session_id,\n limit=n_messages,\n order=order,\n )\n self.status = stored\n return stored\n\n def retrieve_messages_as_text(self) -> Message:\n stored_text = data_to_text(self.template, self.retrieve_messages())\n self.status = stored_text\n return Message(text=stored_text)\n\n def build_lc_memory(self) -> BaseChatMemory:\n if self.memory:\n chat_memory = self.memory\n else:\n chat_memory = LCBuiltinChatMemory(flow_id=self.graph.flow_id, session_id=self.session_id)\n return ConversationBufferMemory(chat_memory=chat_memory)\n" | |
| }, | |
| "memory": { | |
| "advanced": false, | |
| "display_name": "External Memory", | |
| "dynamic": false, | |
| "info": "Retrieve messages from an external memory. If empty, it will use the Langflow tables.", | |
| "input_types": [ | |
| "BaseChatMessageHistory" | |
| ], | |
| "list": false, | |
| "name": "memory", | |
| "placeholder": "", | |
| "required": false, | |
| "show": true, | |
| "title_case": false, | |
| "trace_as_metadata": true, | |
| "type": "other", | |
| "value": "" | |
| }, | |
| "n_messages": { | |
| "advanced": true, | |
| "display_name": "Number of Messages", | |
| "dynamic": false, | |
| "info": "Number of messages to retrieve.", | |
| "list": false, | |
| "name": "n_messages", | |
| "placeholder": "", | |
| "required": false, | |
| "show": true, | |
| "title_case": false, | |
| "trace_as_metadata": true, | |
| "type": "int", | |
| "value": 100 | |
| }, | |
| "order": { | |
| "advanced": true, | |
| "display_name": "Order", | |
| "dynamic": false, | |
| "info": "Order of the messages.", | |
| "name": "order", | |
| "options": [ | |
| "Ascending", | |
| "Descending" | |
| ], | |
| "placeholder": "", | |
| "required": false, | |
| "show": true, | |
| "title_case": false, | |
| "trace_as_metadata": true, | |
| "type": "str", | |
| "value": "Ascending" | |
| }, | |
| "sender": { | |
| "advanced": true, | |
| "display_name": "Sender Type", | |
| "dynamic": false, | |
| "info": "Type of sender.", | |
| "name": "sender", | |
| "options": [ | |
| "Machine", | |
| "User", | |
| "Machine and User" | |
| ], | |
| "placeholder": "", | |
| "required": false, | |
| "show": true, | |
| "title_case": false, | |
| "trace_as_metadata": true, | |
| "type": "str", | |
| "value": "Machine and User" | |
| }, | |
| "sender_name": { | |
| "advanced": true, | |
| "display_name": "Sender Name", | |
| "dynamic": false, | |
| "info": "Name of the sender.", | |
| "input_types": [ | |
| "Message" | |
| ], | |
| "list": false, | |
| "load_from_db": false, | |
| "name": "sender_name", | |
| "placeholder": "", | |
| "required": false, | |
| "show": true, | |
| "title_case": false, | |
| "trace_as_input": true, | |
| "trace_as_metadata": true, | |
| "type": "str", | |
| "value": "" | |
| }, | |
| "session_id": { | |
| "advanced": true, | |
| "display_name": "Session ID", | |
| "dynamic": false, | |
| "info": "Session ID of the chat history.", | |
| "input_types": [ | |
| "Message" | |
| ], | |
| "list": false, | |
| "load_from_db": false, | |
| "name": "session_id", | |
| "placeholder": "", | |
| "required": false, | |
| "show": true, | |
| "title_case": false, | |
| "trace_as_input": true, | |
| "trace_as_metadata": true, | |
| "type": "str", | |
| "value": "" | |
| }, | |
| "template": { | |
| "advanced": true, | |
| "display_name": "Template", | |
| "dynamic": false, | |
| "info": "The template to use for formatting the data. It can contain the keys {text}, {sender} or any other key in the message data.", | |
| "input_types": [ | |
| "Message" | |
| ], | |
| "list": false, | |
| "load_from_db": false, | |
| "multiline": true, | |
| "name": "template", | |
| "placeholder": "", | |
| "required": false, | |
| "show": true, | |
| "title_case": false, | |
| "trace_as_input": true, | |
| "trace_as_metadata": true, | |
| "type": "str", | |
| "value": "{sender_name}: {text}" | |
| } | |
| } | |
| }, | |
| "type": "Memory" | |
| }, | |
| "dragging": false, | |
| "height": 366, | |
| "id": "Memory-amN4Z", | |
| "position": { | |
| "x": 1308.5775646859402, | |
| "y": 406.95204412025845 | |
| }, | |
| "positionAbsolute": { | |
| "x": 1308.5775646859402, | |
| "y": 406.95204412025845 | |
| }, | |
| "selected": false, | |
| "type": "genericNode", | |
| "width": 384 | |
| } | |
| ], | |
| "edges": [ | |
| { | |
| "className": "", | |
| "data": { | |
| "sourceHandle": { | |
| "dataType": "ChatInput", | |
| "id": "ChatInput-CIGht", | |
| "name": "message", | |
| "output_types": [ | |
| "Message" | |
| ] | |
| }, | |
| "targetHandle": { | |
| "fieldName": "user_message", | |
| "id": "Prompt-iWbCC", | |
| "inputTypes": [ | |
| "Message", | |
| "Text" | |
| ], | |
| "type": "str" | |
| } | |
| }, | |
| "id": "reactflow__edge-ChatInput-CIGht{œdataTypeœ:œChatInputœ,œidœ:œChatInput-CIGhtœ,œnameœ:œmessageœ,œoutput_typesœ:[œMessageœ]}-Prompt-iWbCC{œfieldNameœ:œuser_messageœ,œidœ:œPrompt-iWbCCœ,œinputTypesœ:[œMessageœ,œTextœ],œtypeœ:œstrœ}", | |
| "source": "ChatInput-CIGht", | |
| "sourceHandle": "{œdataTypeœ:œChatInputœ,œidœ:œChatInput-CIGhtœ,œnameœ:œmessageœ,œoutput_typesœ:[œMessageœ]}", | |
| "target": "Prompt-iWbCC", | |
| "targetHandle": "{œfieldNameœ:œuser_messageœ,œidœ:œPrompt-iWbCCœ,œinputTypesœ:[œMessageœ,œTextœ],œtypeœ:œstrœ}" | |
| }, | |
| { | |
| "className": "", | |
| "data": { | |
| "sourceHandle": { | |
| "dataType": "Memory", | |
| "id": "Memory-amN4Z", | |
| "name": "messages_text", | |
| "output_types": [ | |
| "Message" | |
| ] | |
| }, | |
| "targetHandle": { | |
| "fieldName": "context", | |
| "id": "Prompt-iWbCC", | |
| "inputTypes": [ | |
| "Message", | |
| "Text" | |
| ], | |
| "type": "str" | |
| } | |
| }, | |
| "id": "reactflow__edge-Memory-amN4Z{œdataTypeœ:œMemoryœ,œidœ:œMemory-amN4Zœ,œnameœ:œmessages_textœ,œoutput_typesœ:[œMessageœ]}-Prompt-iWbCC{œfieldNameœ:œcontextœ,œidœ:œPrompt-iWbCCœ,œinputTypesœ:[œMessageœ,œTextœ],œtypeœ:œstrœ}", | |
| "source": "Memory-amN4Z", | |
| "sourceHandle": "{œdataTypeœ:œMemoryœ,œidœ:œMemory-amN4Zœ,œnameœ:œmessages_textœ,œoutput_typesœ:[œMessageœ]}", | |
| "target": "Prompt-iWbCC", | |
| "targetHandle": "{œfieldNameœ:œcontextœ,œidœ:œPrompt-iWbCCœ,œinputTypesœ:[œMessageœ,œTextœ],œtypeœ:œstrœ}" | |
| }, | |
| { | |
| "source": "Prompt-iWbCC", | |
| "sourceHandle": "{œdataTypeœ:œPromptœ,œidœ:œPrompt-iWbCCœ,œnameœ:œpromptœ,œoutput_typesœ:[œMessageœ]}", | |
| "target": "ChatOutput-QA7ej", | |
| "targetHandle": "{œfieldNameœ:œinput_valueœ,œidœ:œChatOutput-QA7ejœ,œinputTypesœ:[œMessageœ],œtypeœ:œstrœ}", | |
| "data": { | |
| "targetHandle": { | |
| "fieldName": "input_value", | |
| "id": "ChatOutput-QA7ej", | |
| "inputTypes": [ | |
| "Message" | |
| ], | |
| "type": "str" | |
| }, | |
| "sourceHandle": { | |
| "dataType": "Prompt", | |
| "id": "Prompt-iWbCC", | |
| "name": "prompt", | |
| "output_types": [ | |
| "Message" | |
| ] | |
| } | |
| }, | |
| "id": "reactflow__edge-Prompt-iWbCC{œdataTypeœ:œPromptœ,œidœ:œPrompt-iWbCCœ,œnameœ:œpromptœ,œoutput_typesœ:[œMessageœ]}-ChatOutput-QA7ej{œfieldNameœ:œinput_valueœ,œidœ:œChatOutput-QA7ejœ,œinputTypesœ:[œMessageœ],œtypeœ:œstrœ}" | |
| } | |
| ], | |
| "viewport": { | |
| "x": -417.45799796990354, | |
| "y": 3.1615551909424653, | |
| "zoom": 0.45494095964690673 | |
| } | |
| }, | |
| "description": "This project can be used as a starting point for building a Chat experience with user specific memory. You can set a different Session ID to start a new message history.", | |
| "name": "MemoryChatbotNoLLM", | |
| "last_tested_version": "1.0.12", | |
| "endpoint_name": null, | |
| "is_component": false | |
| } |