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enhancement: add strategy to unstructured options #1208

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merged 6 commits into from
May 13, 2023
Merged

enhancement: add strategy to unstructured options #1208

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8ef23a8
enhancement: add strategy to unstructured options
MthwRobinson May 10, 2023
e8647c7
set this.strategy in the constructor
MthwRobinson May 12, 2023
846074f
Merge branch 'main' into enhancement/fast-strategy
MthwRobinson May 12, 2023
2bd85c3
expect greater than 10; only check first element
MthwRobinson May 12, 2023
c52f5f2
fix merge conflicts
MthwRobinson May 12, 2023
2596011
Merge branch 'main' into enhancement/fast-strategy
MthwRobinson May 12, 2023
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4 changes: 4 additions & 0 deletions langchain/src/document_loaders/fs/unstructured.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -42,6 +42,7 @@ type UnstructuredLoaderOptions = {
type UnstructuredDirectoryLoaderOptions = UnstructuredLoaderOptions & {
recursive?: boolean;
unknown?: UnknownHandling;
strategy?: string;
};

export class UnstructuredLoader extends BaseDocumentLoader {
Expand All @@ -51,6 +52,8 @@ export class UnstructuredLoader extends BaseDocumentLoader {

private apiKey?: string;

private strategy?: string;
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constructor(
filePathOrLegacyApiUrl: string,
optionsOrLegacyFilePath: UnstructuredLoaderOptions | string = {}
Expand Down Expand Up @@ -84,6 +87,7 @@ export class UnstructuredLoader extends BaseDocumentLoader {

const headers = {
"UNSTRUCTURED-API-KEY": this.apiKey ?? "",
strategy: this.strategy ?? "hi_res",
};

const response = await fetch(this.apiUrl, {
Expand Down
20 changes: 20 additions & 0 deletions langchain/src/document_loaders/tests/unstructured.int.test.ts
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Expand Up @@ -44,6 +44,26 @@ test("Test Unstructured base loader", async () => {
}
});

test("Test Unstructured base loader with fast strategy", async () => {
const filePath = path.resolve(
path.dirname(url.fileURLToPath(import.meta.url)),
"./example_data/1706.03762.pdf"
);

const options = {
apiKey: "MY_API_KEY",
strategy: "fast",
};

const loader = new UnstructuredLoader(filePath, options);
const docs = await loader.load();

expect(docs.length).toBeGreaterThan(10);
for (const doc of docs) {
expect(typeof doc.pageContent).toBe("string");
}
});

test("Test Unstructured directory loader legacy syntax", async () => {
const directoryPath = path.resolve(
path.dirname(url.fileURLToPath(import.meta.url)),
Expand Down