0

Nick: improvements

This commit is contained in:
Nicolas 2024-05-21 18:34:23 -07:00
parent 2e264a4c75
commit a5e718b084
4 changed files with 102 additions and 28 deletions

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@ -34,3 +34,5 @@ STRIPE_PRICE_ID_SCALE=
HYPERDX_API_KEY=
HDX_NODE_BETA_MODE=1
FIRE_ENGINE_BETA_URL= # set if you'd like to use the fire engine closed beta

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@ -0,0 +1,42 @@
import { scrapWithFireEngine } from "../../src/scraper/WebScraper/single_url";
const delay = (ms: number) => new Promise((resolve) => setTimeout(resolve, ms));
const scrapInBatches = async (
urls: string[],
batchSize: number,
delayMs: number
) => {
let successCount = 0;
let errorCount = 0;
for (let i = 0; i < urls.length; i += batchSize) {
const batch = urls
.slice(i, i + batchSize)
.map((url) => scrapWithFireEngine(url));
try {
const results = await Promise.all(batch);
results.forEach((data, index) => {
if (data.trim() === "") {
errorCount++;
} else {
successCount++;
console.log(
`Scraping result ${i + index + 1}:`,
data.trim().substring(0, 20) + "..."
);
}
});
} catch (error) {
console.error("Error during scraping:", error);
}
await delay(delayMs);
}
console.log(`Total successful scrapes: ${successCount}`);
console.log(`Total errored scrapes: ${errorCount}`);
};
function run() {
const urls = Array.from({ length: 200 }, () => "https://scrapethissite.com");
scrapInBatches(urls, 10, 1000);
}

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@ -10,6 +10,15 @@ import { fetchAndProcessPdf } from "./utils/pdfProcessor";
dotenv.config();
const baseScrapers = [
"fire-engine",
"scrapingBee",
"playwright",
"scrapingBeeLoad",
"fetch",
] as const;
export async function generateRequestParams(
url: string,
wait_browser: string = "domcontentloaded",
@ -33,15 +42,39 @@ export async function generateRequestParams(
return defaultParams;
}
}
export async function scrapWithCustomFirecrawl(
export async function scrapWithFireEngine(
url: string,
options?: any
): Promise<string> {
try {
// TODO: merge the custom firecrawl scraper into mono-repo when ready
return null;
const reqParams = await generateRequestParams(url);
const wait_playwright = reqParams["params"]?.wait ?? 0;
const response = await fetch(process.env.FIRE_ENGINE_BETA_URL+ "/scrape", {
method: "POST",
headers: {
"Content-Type": "application/json",
},
body: JSON.stringify({ url: url, wait: wait_playwright }),
});
if (!response.ok) {
console.error(
`[Fire-Engine] Error fetching url: ${url} with status: ${response.status}`
);
return "";
}
const contentType = response.headers['content-type'];
if (contentType && contentType.includes('application/pdf')) {
return fetchAndProcessPdf(url);
} else {
const data = await response.json();
const html = data.content;
return html ?? "";
}
} catch (error) {
console.error(`Error scraping with custom firecrawl-scraper: ${error}`);
console.error(`Error scraping with Fire Engine: ${error}`);
return "";
}
}
@ -63,7 +96,7 @@ export async function scrapWithScrapingBee(
if (response.status !== 200 && response.status !== 404) {
console.error(
`Scraping bee error in ${url} with status code ${response.status}`
`[ScrapingBee] Error fetching url: ${url} with status code ${response.status}`
);
return "";
}
@ -77,7 +110,7 @@ export async function scrapWithScrapingBee(
return text;
}
} catch (error) {
console.error(`Error scraping with Scraping Bee: ${error}`);
console.error(`[ScrapingBee] Error fetching url: ${url} -> ${error}`);
return "";
}
}
@ -97,7 +130,7 @@ export async function scrapWithPlaywright(url: string): Promise<string> {
if (!response.ok) {
console.error(
`Error fetching w/ playwright server -> URL: ${url} with status: ${response.status}`
`[Playwright] Error fetching url: ${url} with status: ${response.status}`
);
return "";
}
@ -111,11 +144,18 @@ export async function scrapWithPlaywright(url: string): Promise<string> {
return html ?? "";
}
} catch (error) {
console.error(`Error scraping with Puppeteer: ${error}`);
console.error(`Error scraping with Playwright: ${error}`);
return "";
}
}
function getScrapingFallbackOrder(defaultScraper?: string) {
const fireEngineScraper = process.env.FIRE_ENGINE_BETA_URL ? ["fire-engine"] : [];
const uniqueScrapers = new Set(defaultScraper ? [defaultScraper, ...fireEngineScraper, ...baseScrapers] : [...fireEngineScraper, ...baseScrapers]);
const scrapersInOrder = Array.from(uniqueScrapers);
return scrapersInOrder as typeof baseScrapers[number][];
}
export async function scrapSingleUrl(
urlToScrap: string,
pageOptions: PageOptions = { onlyMainContent: true, includeHtml: false },
@ -137,17 +177,12 @@ export async function scrapSingleUrl(
const attemptScraping = async (
url: string,
method:
| "firecrawl-scraper"
| "scrapingBee"
| "playwright"
| "scrapingBeeLoad"
| "fetch"
method: typeof baseScrapers[number]
) => {
let text = "";
switch (method) {
case "firecrawl-scraper":
text = await scrapWithCustomFirecrawl(url);
case "fire-engine":
text = await scrapWithFireEngine(url);
break;
case "scrapingBee":
if (process.env.SCRAPING_BEE_API_KEY) {
@ -205,15 +240,7 @@ export async function scrapSingleUrl(
console.error(`Invalid URL key, trying: ${urlToScrap}`);
}
const defaultScraper = urlSpecificParams[urlKey]?.defaultScraper ?? "";
const scrapersInOrder = defaultScraper
? [
defaultScraper,
"scrapingBee",
"playwright",
"scrapingBeeLoad",
"fetch",
]
: ["scrapingBee", "playwright", "scrapingBeeLoad", "fetch"];
const scrapersInOrder = getScrapingFallbackOrder(defaultScraper)
for (const scraper of scrapersInOrder) {
// If exists text coming from crawler, use it
@ -225,7 +252,10 @@ export async function scrapSingleUrl(
}
[text, html] = await attemptScraping(urlToScrap, scraper);
if (text && text.trim().length >= 100) break;
console.log(`Falling back to ${scraper}`);
const nextScraperIndex = scrapersInOrder.indexOf(scraper) + 1;
if (nextScraperIndex < scrapersInOrder.length) {
console.info(`Falling back to ${scrapersInOrder[nextScraperIndex]}`);
}
}
if (!text) {

View File

@ -63,7 +63,7 @@ export const urlSpecificParams = {
},
},
"ycombinator.com":{
defaultScraper: "playwright",
defaultScraper: "fire-engine",
params: {
wait_browser: "networkidle2",
block_resources: false,