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other.ocr.js
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other.ocr.js
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const {Builder, By, Key, util, WebDriver, until} = require('selenium-webdriver');
const excelToJson = require('convert-excel-to-json');
const chrome = require('selenium-webdriver/chrome');
const options = new chrome.Options();
const path = require('path');
const fs = require('fs');
const { PDFNet } = require('@pdftron/pdfnet-node');
const readXlsx = async (i) => {
var lines = [];
let result
try {
result = excelToJson({
sourceFile: './temp/' + 'temp'+i+'.xlsx'
});
} catch (e) {
setTimeout(1000);
result = excelToJson({
sourceFile: './temp/' + 'temp'+i+'.xlsx'
});
}
Object.keys(result).forEach(v => {
Object.keys(result[v]).forEach(c => {
lines.push(result[v][c]);
})
})
console.log(lines);
fs.unlinkSync(path.join(__dirname, 'temp/temp'+i+'.xlsx'));
return lines;
}
async function data(pages) {
// options.setPreference("browser.download.dir", "c:\\seleniumdownloads");
// options.setPreference("browser.download.folderList", 2);
// options.setPreference("browser.helperApps.neverAsk.saveToDisk", "text/csv");
// options.setPreference("browser.download.useDownloadDir", true);
// options.setPreference("browser.download.manager.showWhenStarting", false);
// options.setPreference("browser.download.defaultFolder", "c:\\seleniumdownloads");
// options.setPreference("browser.helperApps.alwaysAsk.force", false);
// options.setPreference("browser.download.downloadDir", "c:\\seleniumdownloads");
// options.setPreference("browser.download.manager.alertOnEXEOpen", false);
// options.setPreference("browser.download.panel.shown", false);
// options.setPreference("browser.download.viewableInternally.enabledTypes", "");
// options.setPreference("browser.helperApps.neverAsk.openFile", "text/csv");
// options.setPreference("browser.download.manager.focusWhenStarting", false);
// options.setPreference("browser.download.manager.useWindow", false);
// options.setPreference("browser.download.manager.showAlertOnComplete", false);
// options.setPreference("browser.download.manager.closeWhenDone", false);
// options.setPreference("pdfjs.disabled", true);
// options.setPreference("services.sync.prefs.sync.browser.download.manager.showWhenStarting", false);
// options.setPreference("download.prompt_for_download", false);
// options.addArguments("--headless");
// options.addArguments("--disable-gpu");
// options.addArguments("--no-sandbox");
options.addArguments('--disable-dev-shm-usage');
options.setUserPreferences({"Browser.setDownloadBehavior": "allow",
"download.prompt_for_download": false,
"download.directory_upgrade": true,
"download.default_directory": path.join(__dirname, "temp")
});
// options.setChromeBinaryPath('C:\\webDrivers\\chromedriver.exe');
// let serviceBuilder = new chrome.ServiceBuilder('C:\\webDrivers\\chromedriver.exe')
let driver = await new Builder().forBrowser("chrome").setChromeOptions(options).build();
//let driver = WebDriver.chrome('C:\\webDrivers\\chromedriver.exe');
await driver.get('https://www.onlineocr.net/es/');
await driver.manage().setTimeouts( { implicit: 100000 } );
await driver.sleep(200);
let lines = [];
for (let i = 1; i <= pages; i++){
const getImages = async () => {
const doc = await PDFNet.PDFDoc.createFromFilePath(path.join(__dirname, 'jin crow 50 years after.pdf'));
await doc.initSecurityHandler();
// set the output resolution
const pdfdraw = await PDFNet.PDFDraw.create(150);
// Rasterize the first page in the document and save the result as PNG.
const pg = await doc.getPage(i);
await pdfdraw.export(pg, path.join(__dirname, 'temp'+i+'.png'), "PNG");
}
await PDFNet.runWithCleanup(getImages, 'demo:1630594838770:78ffbcab03000000008cb2856f2c0182e6dae50c44d40f021f8532b3a4').then(async () => {
await driver.findElement(By.xpath('//*[@id="MainContent_comboOutput"]')).click();
await driver.findElement(By.xpath('//*[@id="MainContent_comboOutput"]/option[2]')).click();
let uploadElement = await driver.findElement(By.id('fileupload'));
await uploadElement.sendKeys(path.join(__dirname, 'temp'+i+'.png'));
let disabled = await driver.findElement(By.xpath('//*[@id="MainContent_btnOCRConvert"]'));
await driver.wait(until.elementIsEnabled(disabled), 100000);
await driver.findElement(By.xpath('//*[@id="MainContent_btnOCRConvert"]')).click();
//await driver.sleep(1000)
let downloadButton = await driver.findElement(By.xpath('//*[@id="MainContent_lnkBtnDownloadOutput"]'));
try {
await driver.wait(until.elementIsVisible(downloadButton), 1000000);
await driver.sleep(2000);
await driver.findElement(By.xpath('//*[@id="MainContent_lnkBtnDownloadOutput"]')).click();
} catch (e) {
await driver.wait(until.elementIsVisible(downloadButton), 1000000);
await driver.sleep(2000);
await driver.findElement(By.xpath('//*[@id="MainContent_lnkBtnDownloadOutput"]')).click();
}
await driver.sleep(1000);
lines = [...lines, ...await readXlsx(i)];
fs.unlinkSync(path.join(__dirname, 'temp'+i+'.png'));
//await driver.manage().setTimeouts( { implicit: 100000 } );
if (i % 15 === 0){
driver.close();
driver = await new Builder().forBrowser("chrome").setChromeOptions(options).build();
await driver.get('https://www.onlineocr.net/es/');
await driver.manage().setTimeouts( { implicit: 100000 } );
await driver.sleep(200);
}else{
await driver.navigate().refresh();
await driver.sleep(1000);
}
}).catch(err => {
console.log(err);
return;
})
}
driver.close();
console.log(lines);
console.log('finish');
}
data(20);