Я пытаюсь запустить Document OCR из Google с помощью приложения Node js. Поэтому я использовал клиентскую библиотеку для Node js @google-cloud/documentai
Я сделал все как в документации образец < / а>
Вот мой код
const projectId = '*******';
const location = 'eu'; // Format is 'us' or 'eu'
const processor = '******'; // Create processor in Cloud Console
const keyFilename = './secret/******.json';
const { DocumentProcessorServiceClient } = require('@google-cloud/documentai').v1beta3;
const client = new DocumentProcessorServiceClient({projectId, keyFilename});
async function start(encodedImage) {
console.log("Google AI Started")
const name = `projects/${projectId}/locations/${location}/processors/${processor}`;
const request = {
name,
document: {
content: encodedImage,
mimeType: 'application/pdf',
},
}
try {
const [result] = await client.processDocument(request);
const { document } = result;
const { text } = document;
const getText = textAnchor => {
if (!textAnchor.textSegments || textAnchor.textSegments.length === 0) {
return '';
}
// First shard in document doesn't have startIndex property
const startIndex = textAnchor.textSegments[0].startIndex || 0;
const endIndex = textAnchor.textSegments[0].endIndex;
return text.substring(startIndex, endIndex);
};
const [page1] = document;
const { paragraphs } = page1;
for (const paragraph of paragraphs) {
const paragraphText = getText(paragraph.layout.textAnchor);
console.log(`Paragraph text:\n${paragraphText}`);
}
return paragraphs;
}
catch (error) {
console.error(error);
}
}
module.exports = {
start
}
Кодировка изображения здесь
const {start: google} = require('./document-ai/index')
if (mimeType === 'application/pdf') {
pdf = true;
encoded = Buffer.from(file).toString('base64');
}
await google(encoded);
В результате я получаю эту ошибку
Google AI Started
Error: 3 INVALID_ARGUMENT: Request contains an invalid argument.
at Object.callErrorFromStatus (C:\Users\NIKIGAN\WebstormProjects\papper-project\server\node_modules\google-gax\node_modules\@grpc\grpc-js\build\src\call.js:31:26)
at Object.onReceiveStatus (C:\Users\NIKIGAN\WebstormProjects\papper-project\server\node_modules\google-gax\node_modules\@grpc\grpc-js\build\src\client.js:176:52)
at Object.onReceiveStatus (C:\Users\NIKIGAN\WebstormProjects\papper-project\server\node_modules\google-gax\node_modules\@grpc\grpc-js\build\src\client-interceptors.js:342:141)
at Object.onReceiveStatus (C:\Users\NIKIGAN\WebstormProjects\papper-project\server\node_modules\google-gax\node_modules\@grpc\grpc-js\build\src\client-interceptors.js:305:181)
at C:\Users\NIKIGAN\WebstormProjects\papper-project\server\node_modules\google-gax\node_modules\@grpc\grpc-js\build\src\call-stream.js:124:78
at processTicksAndRejections (internal/process/task_queues.js:79:11) {
code: 3,
details: 'Request contains an invalid argument.',
metadata: Metadata {
internalRepr: Map { 'grpc-server-stats-bin' => [Array] },
options: {}
},
note: 'Exception occurred in retry method that was not classified as transient'
}
Какие недопустимые аргументы есть в моем запросе?
Детали окружающей среды
- ОС: Windows 10
- Версия Node.js: 12.18.3
- версия npm: 6.14.8
@google-cloud/documentai
версия: 2.2.1
const encodedImage = Buffer.from(imageFile).toString('base64');
? - person Alexandre Moraes   schedule 20.11.2020