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A handy custom component for combining chains #18

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A handy custom component for combining chains #18

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124 changes: 124 additions & 0 deletions examples/Chain Sequential Combinator.json
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Original file line number Diff line number Diff line change
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{
"data": {
"edges": [],
"nodes": [
{
"data": {
"id": "CustomComponent-qdeiU",
"type": "CustomComponent",
"node": {
"template": {
"chains": {
"type": "Chain",
"required": true,
"placeholder": "",
"list": true,
"show": true,
"multiline": false,
"fileTypes": [],
"file_path": "",
"password": false,
"name": "chains",
"display_name": "Chains",
"advanced": false,
"dynamic": false,
"info": ""
},
"code": {
"type": "code",
"required": true,
"placeholder": "",
"list": false,
"show": true,
"multiline": true,
"value": "from langflow import CustomComponent\r\nfrom langchain.chains import SequentialChain, LLMChain\r\nfrom typing import List, Any\r\nfrom typing import Callable, Optional, Union\r\nfrom langflow.field_typing import (\r\n BaseLanguageModel,\r\n BaseMemory,\r\n BasePromptTemplate,\r\n Chain,\r\n)\r\n\r\nclass DynamicSequentialChainComponent(CustomComponent):\r\n display_name = \"LLMChain COMBINATOR\"\r\n description = \"This component can combin LLMChains together sequentially\"\r\n def build_config(self):\r\n return {\r\n \"chains\": {\"display_name\": \"Chains\", \"is_list\": True},\r\n \"input_variables\": {\"display_name\": \"Input Variables\", \"is_list\": True},\r\n \"output_variables\": {\"display_name\": \"Output Variables\", \"is_list\": True}\r\n }\r\n\r\n def build(self, chains: List[Chain], input_variables: List[str], output_variables: List[str]) -> Union[Chain, Callable]:\r\n # Validate that the chains list is not empty\r\n if not chains:\r\n raise ValueError(\"No chains provided. At least one chain is required.\")\r\n\r\n # Create a SequentialChain with the provided chains and variables\r\n sequential_chain = SequentialChain(chains=chains, input_variables=input_variables, output_variables=output_variables)\r\n\r\n return sequential_chain\r\n",
"fileTypes": [],
"file_path": "",
"password": false,
"name": "code",
"advanced": false,
"dynamic": true,
"info": ""
},
"input_variables": {
"type": "str",
"required": true,
"placeholder": "",
"list": true,
"show": true,
"multiline": false,
"fileTypes": [],
"file_path": "",
"password": false,
"name": "input_variables",
"display_name": "Input Variables",
"advanced": false,
"dynamic": false,
"info": "",
"value": [
"target_audience",
"slogan_number"
]
},
"output_variables": {
"type": "str",
"required": true,
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"list": true,
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"fileTypes": [],
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"password": false,
"name": "output_variables",
"display_name": "Output Variables",
"advanced": false,
"dynamic": false,
"info": "",
"value": [
"text"
]
},
"_type": "CustomComponent"
},
"description": "This component can combine LLMChains together sequentially",
"base_classes": [
"Chain",
"Callable"
],
"display_name": "Chain Sequential Combinator",
"documentation": "",
"custom_fields": {
"chains": null,
"input_variables": null,
"output_variables": null
},
"output_types": [
"Chain",
"Callable"
],
"field_formatters": {},
"beta": true,
"official": false
}
},
"id": "CustomComponent-qdeiU",
"position": {
"x": 0,
"y": 0
},
"type": "genericNode"
}
],
"viewport": {
"x": 1,
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"zoom": 1
}
},
"description": "This component can combine LLMChains together sequentially",
"name": "Chain Sequential Combinator",
"id": "CustomComponent-qdeiU",
"is_component": true,
"last_tested_version": "0.6.3"
}