183 lines
7.7 KiB
Python
183 lines
7.7 KiB
Python
import asyncio
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from playwright.async_api import async_playwright, Page
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import json
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import os
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from crawl4ai import BrowserConfig, AsyncWebCrawler, CrawlerRunConfig
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from crawl4ai.deep_crawling import BFSDeepCrawlStrategy
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from crawl4ai.content_scraping_strategy import ContentScrapingStrategy, ScrapingResult, LXMLWebScrapingStrategy
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from crawl4ai.processors.pdf import PDFContentScrapingStrategy
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from crawl4ai.deep_crawling.scorers import KeywordRelevanceScorer
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from crawl4ai.deep_crawling.filters import URLPatternFilter
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from datetime import datetime
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# --- CONFIGURATION ---
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# TODO: this will need to change for different organizations (ie univiersities)
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# make this the link for university login when accessing marketline
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LOGIN_URL = "https://login.microsoftonline.com/be62a12b-2cad-49a1-a5fa-85f4f3156a7d/saml2?SAMLRequest=fZLBbtswEER%2FReBdokhJjk1YBtz4UANpasRODrkUK2plE6BIlUsl7d9Xtls0ufhIcPhmZ5ZLgt4Oaj3Gk3vCnyNSTH711pG6XNRsDE55IEPKQY%2Bkolb79bcHJbNcDcFHr71lyZoIQzTe3XtHY49hj%2BHNaHx%2BeqjZKcaBFOcwmWTWNNnojyPa4ZRp4NP5%2BE4D359M03iLk4TI87OH5Lvv%2BwNLNtNQxsEZ%2Fx9m%2FdG4rDc6ePJd9M4ah5n2PW9wJkHIJpUa2rRcgEih6iCdV13ZFaKawV3Lz%2BkkS7abmv1Y6Hne5lgVQhSFkPlMgABcdHPddvOmnE0yohG3jiK4WDOZyyrN71K5OEipylIV8pUlu79lfDGuNe54u7nmKiL19XDYpdeYLxjoEnESsNXyPKG6GIcPG7mNhX9rYKubpdOw5B%2F4V7NBPU7A7WbnrdG%2Fk7W1%2Fv0%2BIESsmWB8dX3y%2Ba%2Bs%2FgA%3D&RelayState=https%3A%2F%2Fauth.lib.uoguelph.ca%2Fopenathens%2Fsaml%2F%3Fuuid%3Db3nuk1o5lh78w6j657yd773oxfeqzc0v%26csrfmiddlewaretoken%3D4EzWMhPgP6L5YXtK3FGIgKKQ5KguVDwOuod2abzLQRV6kagUu0BBVWsJVI8N78tT%26opshib%3DLogin%2Bwith%2Byour%2BGryphmail%2BPassword%26staff_mode%3DTrue&sso_reload=true"
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# shouldnt need to change. this is what we will wait for to load after logging in to trigger saving cookies.
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HOMEPAGE_URL = "https://advantage.marketline.com/HomePage/Home"
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# the root page to seed crawling
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CRAWLPAGE_URL = "https://advantage.marketline.com/Search?industry=2800001"
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# name of file where cookies are saved
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COOKIES_FILE = "marketline_cookies.json"
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# --- CRAWLER SETTINGS ---
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DEPTH = 2
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COUNT = 10 # Increased for better testing
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# TODO: maybe make this list more comprehensive?
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SCRAPER_KEYWORDS = [
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# Core Terms
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"arms export", "arms sale", "arms trade", "weapons export", "weapons deal",
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"military export", "defence contract", "defense contract",
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# Canadian Context
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"canadian armed forces", "global affairs canada", "canadian defence",
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"canadian military", "royal canadian navy", "royal canadian air force",
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# Equipment & Technology
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"armoured vehicle", "light armoured vehicle", "lav", "naval ship", "warship",
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"frigate", "fighter jet", "military aircraft", "surveillance", "radar",
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"artillery", "munitions", "firearms", "aerospace",
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# Action & Policy Terms
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"procurement", "acquisition", "military aid", "export permit", "itar"
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]
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# runs login process and saves cookies so that we can run the scraping with authentication
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async def login_and_save_cookies():
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async with async_playwright() as p:
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browser = await p.chromium.launch(headless=False)
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context = await browser.new_context()
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page = await context.new_page()
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try:
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await page.goto(LOGIN_URL)
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await page.wait_for_url(HOMEPAGE_URL, timeout=300000)
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print("Login detected. Saving session cookies...")
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cookies = await context.cookies()
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with open(COOKIES_FILE, "w") as f:
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json.dump(cookies, f)
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print("Cookies saved successfully!")
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await crawl_with_saved_cookies()
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except Exception as e:
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print(f"Login failed: {e}")
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print("Error details:")
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print(await page.content())
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finally:
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await context.close()
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await browser.close()
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def save_results_to_json(successful_data, failed_pages):
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"""
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Saves the successful and failed crawl results into separate JSON files
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in a dedicated directory.
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"""
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output_dir = "crawl_results"
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os.makedirs(output_dir, exist_ok=True)
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print(f"\n💾 Saving results to '{output_dir}' directory...")
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# Define file paths
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successful_file = os.path.join(output_dir, "successful_pages.json")
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failed_file = os.path.join(output_dir, "failed_pages.json")
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# Save successfully scraped data
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with open(successful_file, "w", encoding="utf-8") as f:
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json.dump(successful_data, f, indent=4, ensure_ascii=False)
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print(f" Saved data for {len(successful_data)} successful pages to '{successful_file}'")
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# Save failed pages if any
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if failed_pages:
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with open(failed_file, "w", encoding="utf-8") as f:
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json.dump(failed_pages, f, indent=4, ensure_ascii=False)
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print(f" Saved info for {len(failed_pages)} failed pages to '{failed_file}'")
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# runs the crawler with the cookies collected during login
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async def crawl_with_saved_cookies():
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if not os.path.exists(COOKIES_FILE):
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print("No cookies found. Please run login first.")
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return
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with open(COOKIES_FILE, "r") as f:
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cookies = json.load(f)
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browser_config = BrowserConfig(cookies=cookies)
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config = CrawlerRunConfig(
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deep_crawl_strategy=BFSDeepCrawlStrategy(
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max_depth=DEPTH,
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max_pages=COUNT,
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url_scorer=KeywordRelevanceScorer(keywords=SCRAPER_KEYWORDS,),
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),
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scraping_strategy=LXMLWebScrapingStrategy(),
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# TODO: scrape the PDFs better
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# scraping_strategy=PDFCrawlerStrategy(),
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verbose=True,
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stream=True,
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page_timeout=30000
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)
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successful_data = []
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failed_pages = []
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async with AsyncWebCrawler(config=browser_config) as crawler:
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async for result in await crawler.arun(CRAWLPAGE_URL, config=config):
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if result.success:
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depth = result.metadata.get("depth", 0)
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score = result.metadata.get("score", 0)
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# here we could look at a few things, the HTML, markdown, raw text, etc.
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scraped_content = result.markdown
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print(f"✅ Depth {depth} | Score: {score:.2f} | {result.url}")
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# NEW: Print a preview of the content to confirm it's being scraped
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print(f" 📄 Content length: {len(scraped_content)}. Preview: {scraped_content[:120]}...")
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successful_data.append({
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"url": result.url,
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"content": scraped_content,
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"depth": depth,
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"score": round(score, 2)
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})
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else:
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failed_pages.append({
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'url': result.url,
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'error': result.error_message,
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'depth': result.metadata.get("depth", 0)
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})
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print(f"❌ Failed: {result.url} - {result.error_message}")
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print(f"📊 Results: {len(successful_data)} successful, {len(failed_pages)} failed")
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save_results_to_json(successful_data, failed_pages)
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# Analyze failures by depth
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if failed_pages:
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failure_by_depth = {}
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for failure in failed_pages:
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depth = failure['depth']
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failure_by_depth[depth] = failure_by_depth.get(depth, 0) + 1
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print("❌ Failures by depth:")
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for depth, count in sorted(failure_by_depth.items()):
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print(f" Depth {depth}: {count} failures")
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if __name__ == "__main__":
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# Choose which function to run
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# 1. First, run the login function once to get your cookies
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asyncio.run(login_and_save_cookies())
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# 2. Then, comment out the login line and run the crawl
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# asyncio.run(crawl_with_saved_cookies()) |