Feature/externalize files from chatflow - do not save as base64 (#1976)

* initial commit. Externalizing the file base64 string from flowData

* csv - docloader - Externalizing the file base64 string from flowData

* csv - docloader - Externalizing the file base64 string from flowData

* DocX - docloader - Externalizing the file base64 string from flowData

* Json - docloader - Externalizing the file base64 string from flowData

* Jsonlines - docloader - Externalizing the file base64 string from flowData

* PDF - docloader - Externalizing the file base64 string from flowData

* Vectara - vector store - Externalizing the file base64 string from flowData

* OpenAPIToolkit - tools - Externalizing the file base64 string from flowData

* OpenAPIChain - chain - Externalizing the file base64 string from flowData

* lint fixes

* datasource enabled - initial commit

* CSVAgent - agents - Externalizing the file base64 string from flowData

* Externalizing the file base64 string from flowData

* Externalizing the file base64 string from flowData

* add pnpm-lock.yaml

* update filerepository to add try catch

* Rename FileRepository.ts to fileRepository.ts

---------

Co-authored-by: Henry <hzj94@hotmail.com>
Co-authored-by: Henry Heng <henryheng@flowiseai.com>
This commit is contained in:
Vinod Kiran
2024-04-04 21:41:06 +05:30
committed by GitHub
parent eed7de6df5
commit 658fa3984e
16 changed files with 593 additions and 194 deletions
@@ -1,6 +1,9 @@
import { INode, INodeData, INodeParams } from '../../../src/Interface'
import { ICommonObject, INode, INodeData, INodeParams } from '../../../src/Interface'
import { TextSplitter } from 'langchain/text_splitter'
import { CSVLoader } from 'langchain/document_loaders/fs/csv'
import path from 'path'
import { getStoragePath } from '../../../src'
import fs from 'fs'
class Csv_DocumentLoaders implements INode {
label: string
@@ -53,7 +56,7 @@ class Csv_DocumentLoaders implements INode {
]
}
async init(nodeData: INodeData): Promise<any> {
async init(nodeData: INodeData, _: string, options: ICommonObject): Promise<any> {
const textSplitter = nodeData.inputs?.textSplitter as TextSplitter
const csvFileBase64 = nodeData.inputs?.csvFile as string
const columnName = nodeData.inputs?.columnName as string
@@ -62,25 +65,50 @@ class Csv_DocumentLoaders implements INode {
let alldocs = []
let files: string[] = []
if (csvFileBase64.startsWith('[') && csvFileBase64.endsWith(']')) {
files = JSON.parse(csvFileBase64)
} else {
files = [csvFileBase64]
}
for (const file of files) {
const splitDataURI = file.split(',')
splitDataURI.pop()
const bf = Buffer.from(splitDataURI.pop() || '', 'base64')
const blob = new Blob([bf])
const loader = new CSVLoader(blob, columnName.trim().length === 0 ? undefined : columnName.trim())
if (textSplitter) {
const docs = await loader.loadAndSplit(textSplitter)
alldocs.push(...docs)
if (csvFileBase64.startsWith('FILE-STORAGE::')) {
const fileName = csvFileBase64.replace('FILE-STORAGE::', '')
if (fileName.startsWith('[') && fileName.endsWith(']')) {
files = JSON.parse(fileName)
} else {
const docs = await loader.load()
alldocs.push(...docs)
files = [fileName]
}
const chatflowid = options.chatflowid
for (const file of files) {
const fileInStorage = path.join(getStoragePath(), chatflowid, file)
const fileData = fs.readFileSync(fileInStorage)
const blob = new Blob([fileData])
const loader = new CSVLoader(blob, columnName.trim().length === 0 ? undefined : columnName.trim())
if (textSplitter) {
const docs = await loader.loadAndSplit(textSplitter)
alldocs.push(...docs)
} else {
const docs = await loader.load()
alldocs.push(...docs)
}
}
} else {
if (csvFileBase64.startsWith('[') && csvFileBase64.endsWith(']')) {
files = JSON.parse(csvFileBase64)
} else {
files = [csvFileBase64]
}
for (const file of files) {
const splitDataURI = file.split(',')
splitDataURI.pop()
const bf = Buffer.from(splitDataURI.pop() || '', 'base64')
const blob = new Blob([bf])
const loader = new CSVLoader(blob, columnName.trim().length === 0 ? undefined : columnName.trim())
if (textSplitter) {
const docs = await loader.loadAndSplit(textSplitter)
alldocs.push(...docs)
} else {
const docs = await loader.load()
alldocs.push(...docs)
}
}
}