Ross
55716a16c5
- Created detailed articles for Adrenal Adenoma, Adrenal Cyst, Adrenal Myelolipoma, and general Adrenal anatomy. - Included key facts, imaging findings, differential diagnoses, pathology, clinical issues, and diagnostic checklists for each condition. - Enhanced understanding of adrenal tumors and their characteristics through structured documentation.
508 lines
21 KiB
Python
508 lines
21 KiB
Python
#!/usr/bin/env python3
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"""Async passive XHR/fetch capture using Playwright's async API.
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This script mirrors the sync version but uses async/await to avoid blocking
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the event loop. It attaches listeners before navigating and prints a small
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heartbeat that shows how many responses we've captured so you can see
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activity live.
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Usage:
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python scrapers/capture_passive_playwright_async.py --output-dir xhr_captured_async --continuous
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"""
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import argparse
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import asyncio
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import json
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import mimetypes
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import hashlib
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import os
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from datetime import datetime, timezone
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from pathlib import Path
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from dotenv import load_dotenv
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load_dotenv()
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try:
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from playwright.async_api import async_playwright
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except Exception:
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raise
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def sanitize(s: str) -> str:
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out = []
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for ch in s:
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if ch.isalnum() or ch in ('-', '_', '.'):
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out.append(ch)
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else:
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out.append('_')
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name = ''.join(out)
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if len(name) > 180:
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name = name[:120] + '_' + hashlib.sha1(s.encode('utf-8')).hexdigest()[:8]
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return name
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def guess_ext(ctype: str) -> str:
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if not ctype:
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return 'bin'
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mt = ctype.split(';')[0].strip()
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ext = mimetypes.guess_extension(mt)
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if ext:
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return ext.lstrip('.')
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if mt.startswith('image/'):
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return mt.split('/')[1]
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if mt == 'application/json':
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return 'json'
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if mt == 'text/html':
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return 'html'
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if mt.startswith('text/'):
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return 'txt'
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return 'bin'
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def now_ts():
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return datetime.now(timezone.utc).strftime('%Y%m%dT%H%M%SZ')
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def save_text(path: Path, text: str):
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path.parent.mkdir(parents=True, exist_ok=True)
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with open(path, 'w', encoding='utf-8') as f:
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f.write(text)
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def save_binary(path: Path, data: bytes):
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path.parent.mkdir(parents=True, exist_ok=True)
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with open(path, 'wb') as f:
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f.write(data)
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async def run(args):
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output = Path(args.output_dir)
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output.mkdir(parents=True, exist_ok=True)
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index_path = output / 'capture_index.jsonl'
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capture_count = 0
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capture_count_lock = asyncio.Lock()
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async def heartbeat():
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while True:
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await asyncio.sleep(5)
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async with capture_count_lock:
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print(f"[heartbeat] captured={capture_count}")
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# Build an in-memory index of content_hash -> list of index entries for quick dedupe lookups.
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# If older index lines lack a content_hash but reference a body file, hash that file once at startup.
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in_memory_index = {}
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try:
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if index_path.exists():
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with open(index_path, 'r', encoding='utf-8') as idxf:
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for line in idxf:
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try:
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j = json.loads(line)
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except Exception:
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continue
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ch = j.get('content_hash')
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body = j.get('body_file')
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if not ch and body and os.path.exists(body):
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try:
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with open(body, 'rb') as bf:
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ch = hashlib.sha256(bf.read()).hexdigest()
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except Exception:
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ch = None
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if ch:
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in_memory_index.setdefault(ch, []).append(j)
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except Exception:
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in_memory_index = {}
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async with async_playwright() as p:
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browser_type = p.chromium
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# Launch persistent context
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if args.channel:
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try:
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context = await browser_type.launch_persistent_context(user_data_dir=args.profile, headless=args.headless, channel=args.channel)
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except Exception:
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print(f'Launch with channel {args.channel} failed; falling back to bundled Chromium')
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context = await browser_type.launch_persistent_context(user_data_dir=args.profile, headless=args.headless)
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else:
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context = await browser_type.launch_persistent_context(user_data_dir=args.profile, headless=args.headless)
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page = await context.new_page()
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async def attempt_autologin(page, username: str, password: str, post_login_selector: str, wait_after: float = 1.0):
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"""Async form-based autologin similar to save_page_snapshots.attempt_autologin."""
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if not username or not password:
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return False
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# selectors
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user_selectors = ['input[name="username"]', 'input.usernameSelector', 'input[type="email"]', 'input[name*="email" i]', 'input[name*="user" i]', 'input[type="text"]']
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pass_selectors = ['input[type="password"]', 'input[name="password"]', 'input.passwordSelector']
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user_sel = None
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for sel in user_selectors:
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try:
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el = await page.query_selector(sel)
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if el:
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user_sel = sel
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break
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except Exception:
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continue
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pass_sel = None
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for sel in pass_selectors:
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try:
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el = await page.query_selector(sel)
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if el:
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pass_sel = sel
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break
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except Exception:
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continue
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if not user_sel or not pass_sel:
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try:
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with open(output / '_debug_events.log', 'a', encoding='utf-8') as dbg:
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dbg.write(f"{now_ts()}\tAUTOLOGIN\tselectors_missing\n")
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except Exception:
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pass
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return False
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try:
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await page.fill(user_sel, username)
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await asyncio.sleep(0.1)
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await page.fill(pass_sel, password)
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await asyncio.sleep(0.1)
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# try submit
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submit_selectors = ['button[type=submit]', 'input[type=submit]', 'button:has-text("Sign in")', 'button:has-text("Sign In")', 'button:has-text("Log in")']
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clicked = False
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for s in submit_selectors:
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try:
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btn = await page.query_selector(s)
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if btn:
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await btn.click()
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clicked = True
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break
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except Exception:
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continue
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if not clicked:
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try:
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await page.press(pass_sel, 'Enter')
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except Exception:
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pass
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# wait for post-login selector
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try:
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if post_login_selector:
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await page.wait_for_selector(post_login_selector, timeout=10000)
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except Exception:
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pass
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await asyncio.sleep(wait_after)
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return True
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except Exception:
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try:
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with open(output / '_debug_events.log', 'a', encoding='utf-8') as dbg:
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dbg.write(f"{now_ts()}\tAUTOLOGIN\tfailed_exception\n")
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except Exception:
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pass
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return False
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async def on_response(resp):
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nonlocal capture_count
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try:
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req = resp.request
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rtype = (req.resource_type or '').lower()
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# write quick debug line
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try:
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with open(output / '_debug_events.log', 'a', encoding='utf-8') as dbg:
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dbg.write(f"{now_ts()}\tRESP\t{resp.status}\t{rtype}\t{req.url}\n")
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except Exception:
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pass
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# determine response content-type early so we can allow images
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resp_headers = dict(resp.headers)
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ctype = (resp_headers.get('content-type') or '').lower()
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allow = False
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if not args.capture_types:
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allow = True
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elif rtype in args.capture_types:
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allow = True
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# Heuristic: always capture known document endpoints
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if '/document/content/' in req.url or '/document/summary/' in req.url:
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allow = True
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# Always capture images regardless of capture_types
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if ctype.startswith('image/'):
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allow = True
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if not allow:
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try:
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with open(output / '_debug_events.log', 'a', encoding='utf-8') as dbg:
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dbg.write(f"{now_ts()}\tSKIP\t{rtype}\t{req.url}\t{ctype}\n")
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except Exception:
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pass
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return
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url = req.url
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ts = now_ts()
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safe = sanitize(url.replace('https://', '').replace('http://', ''))
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h = hashlib.sha1((url + ts).encode('utf-8')).hexdigest()[:8]
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body_path = None
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excerpt = None
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try:
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if 'application/json' in ctype or ctype.startswith('text/') or 'javascript' in ctype:
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try:
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txt = await resp.text()
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except asyncio.CancelledError:
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return
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except Exception as e:
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if 'Target page, context or browser has been closed' in str(e):
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return
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raise
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# try pretty JSON
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try:
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parsed = json.loads(txt)
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pretty = json.dumps(parsed, ensure_ascii=False, indent=2)
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fname = f"{safe}_{h}_{ts}.json"
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body_path = str(output / fname)
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save_text(output / fname, pretty)
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try:
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print(f"{now_ts()}\tSAVED\t{body_path}")
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except Exception:
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pass
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excerpt = pretty[:800]
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except Exception:
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fname = f"{safe}_{h}_{ts}.txt"
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body_path = str(output / fname)
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save_text(output / fname, txt)
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try:
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print(f"{now_ts()}\tSAVED\t{body_path}")
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except Exception:
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pass
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excerpt = txt[:800]
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else:
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try:
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data = await resp.body()
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except asyncio.CancelledError:
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return
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except Exception as e:
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if 'Target page, context or browser has been closed' in str(e):
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return
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raise
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ext = guess_ext(ctype)
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# Put images into an images/ subdirectory, other binaries into assets/
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if ctype.startswith('image/'):
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subdir = output / 'images'
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subdir.mkdir(parents=True, exist_ok=True)
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fname = f"{safe}_{h}_{ts}.{ext}"
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body_path = str(subdir / fname)
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save_binary(subdir / fname, data)
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try:
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print(f"{now_ts()}\tSAVED\t{body_path}")
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except Exception:
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pass
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else:
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subdir = output / 'assets'
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subdir.mkdir(parents=True, exist_ok=True)
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fname = f"{safe}_{h}_{ts}.{ext}"
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body_path = str(subdir / fname)
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save_binary(subdir / fname, data)
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try:
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print(f"{now_ts()}\tSAVED\t{body_path}")
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except Exception:
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pass
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except Exception:
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# final fallback: try binary
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try:
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data = await resp.body()
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ext = guess_ext(ctype)
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if ctype.startswith('image/'):
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subdir = output / 'images'
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subdir.mkdir(parents=True, exist_ok=True)
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fname = f"{safe}_{h}_{ts}.{ext}"
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body_path = str(subdir / fname)
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save_binary(subdir / fname, data)
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try:
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print(f"{now_ts()}\tSAVED\t{body_path}")
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except Exception:
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pass
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else:
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subdir = output / 'assets'
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subdir.mkdir(parents=True, exist_ok=True)
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fname = f"{safe}_{h}_{ts}.{ext}"
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body_path = str(subdir / fname)
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save_binary(subdir / fname, data)
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try:
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print(f"{now_ts()}\tSAVED\t{body_path}")
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except Exception:
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pass
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except Exception:
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# skip if still failing
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return
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# compute content hash for dedupe
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content_hash = None
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try:
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if 'txt' in locals() and isinstance(txt, str):
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content_hash = hashlib.sha256(txt.encode('utf-8')).hexdigest()
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elif 'pretty' in locals() and isinstance(pretty, str):
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content_hash = hashlib.sha256(pretty.encode('utf-8')).hexdigest()
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elif 'data' in locals() and isinstance(data, (bytes, bytearray)):
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content_hash = hashlib.sha256(data).hexdigest()
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except Exception:
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content_hash = None
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# prepare the meta filename we'll write for this response
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new_meta_name = f"{safe}_{h}_{ts}.meta.json"
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new_meta_abs = os.path.abspath(str(output / new_meta_name))
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# If older responses exist with the same content, delete them (fast in-memory lookup)
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try:
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matches = in_memory_index.get(content_hash, []) if content_hash else []
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for j in matches:
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body = j.get('body_file')
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metaf = j.get('meta_file')
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try:
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if body and os.path.exists(body) and os.path.abspath(body) != os.path.abspath(body_path):
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os.remove(body)
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try:
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with open(output / '_debug_events.log', 'a', encoding='utf-8') as dbg:
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dbg.write(f"{now_ts()}\tDELETED_OLD_BODY\t{body}\n")
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except Exception:
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pass
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except Exception:
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pass
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try:
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if metaf and os.path.exists(metaf) and os.path.abspath(metaf) != new_meta_abs:
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os.remove(metaf)
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try:
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with open(output / '_debug_events.log', 'a', encoding='utf-8') as dbg:
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dbg.write(f"{now_ts()}\tDELETED_OLD_META\t{metaf}\n")
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except Exception:
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pass
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except Exception:
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pass
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except Exception:
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pass
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meta = {
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'url': url,
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'resource_type': rtype,
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'status': resp.status,
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'timestamp': ts,
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'response_headers': resp_headers,
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'response_body_file': body_path,
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'response_excerpt': excerpt,
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'content_hash': content_hash,
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}
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meta_name = f"{safe}_{h}_{ts}.meta.json"
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save_text(output / meta_name, json.dumps(meta, ensure_ascii=False, indent=2))
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try:
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entry = {'url': url, 'resource_type': rtype, 'timestamp': ts, 'body_file': body_path, 'meta_file': str(output / meta_name), 'excerpt': excerpt, 'content_hash': content_hash}
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with open(index_path, 'a', encoding='utf-8') as idx:
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idx.write(json.dumps(entry, ensure_ascii=False) + '\n')
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# update in-memory index
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if content_hash:
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in_memory_index.setdefault(content_hash, []).append(entry)
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except Exception:
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pass
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async with capture_count_lock:
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capture_count += 1
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except Exception:
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# swallow unexpected exceptions from handler so event loop stays healthy
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try:
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with open(output / '_debug_events.log', 'a', encoding='utf-8') as dbg:
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dbg.write(f"{now_ts()}\tRESP_HANDLER_ERROR\n")
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except Exception:
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pass
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# helpers to attach to page
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def attach_page_listeners(pg):
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pg.on('response', lambda r: asyncio.create_task(on_response(r)))
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pg.on('request', lambda req: open(output / '_debug_events.log', 'a', encoding='utf-8').write(f"{now_ts()}\tREQUEST\t{req.method}\t{req.url}\n"))
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pg.on('requestfinished', lambda req: open(output / '_debug_events.log', 'a', encoding='utf-8').write(f"{now_ts()}\tREQUEST_FINISHED\t{req.method}\t{req.url}\n"))
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# attach listeners to existing pages
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for pg in context.pages:
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attach_page_listeners(pg)
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# attach to future pages
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context.on('page', lambda new_page: attach_page_listeners(new_page))
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# context-level response and request listeners
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context.on('response', lambda r: asyncio.create_task(on_response(r)))
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context.on('request', lambda req: open(output / '_debug_events.log', 'a', encoding='utf-8').write(f"{now_ts()}\tCTX_REQUEST\t{req.method}\t{req.url}\n"))
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# Start heartbeat
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hb_task = asyncio.create_task(heartbeat())
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# Navigate after listeners attached
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try:
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await page.goto(args.url)
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except Exception:
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pass
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# attempt autologin (form-based) if credentials provided
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uname = args.username or os.getenv('STATDX_USERNAME')
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pwd = args.password or os.getenv('STATDX_PASSWORD')
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if uname and pwd:
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try:
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ok = await attempt_autologin(page, uname, pwd, args.post_login_selector)
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try:
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with open(output / '_debug_events.log', 'a', encoding='utf-8') as dbg:
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dbg.write(f"{now_ts()}\tAUTOLOGIN_RESULT\t{ok}\n")
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except Exception:
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pass
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except Exception:
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pass
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# If interactive, let user log in; otherwise start capture immediately
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if not args.no_prompt:
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print('When you have logged in in the opened browser, press Enter here to continue and capture...')
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try:
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await asyncio.get_event_loop().run_in_executor(None, input)
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except Exception:
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pass
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print(f'Starting async passive capture (types: {args.capture_types})')
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try:
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if args.continuous:
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# keep running until KeyboardInterrupt
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while True:
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await asyncio.sleep(1)
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else:
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await asyncio.sleep(5)
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except KeyboardInterrupt:
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print('Interrupted; closing...')
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finally:
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hb_task.cancel()
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try:
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await context.close()
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except Exception:
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pass
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def parse_args():
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parser = argparse.ArgumentParser()
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parser.add_argument('--url', default='https://app.statdx.com/')
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parser.add_argument('--profile', default='playwright_profile')
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parser.add_argument('--output-dir', default='xhr_captured_async')
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parser.add_argument('--headless', action='store_true')
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parser.add_argument('--continuous', action='store_true')
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parser.add_argument('--no-prompt', action='store_true')
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parser.add_argument('--username', help='STATdx username (or use STATDX_USERNAME env var)')
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parser.add_argument('--password', help='STATdx password (or use STATDX_PASSWORD env var)')
|
|
parser.add_argument('--post-login-selector', default='#ds-app', help='Selector that indicates a successful login')
|
|
parser.add_argument('--channel', default=os.getenv('PLAYWRIGHT_CHROME_CHANNEL', 'chrome'))
|
|
parser.add_argument('--capture-types', default='xhr,fetch,document,other')
|
|
return parser.parse_args()
|
|
|
|
|
|
if __name__ == '__main__':
|
|
args = parse_args()
|
|
# normalize capture types to a set
|
|
args.capture_types = {t.strip().lower() for t in args.capture_types.split(',') if t.strip()}
|
|
try:
|
|
asyncio.run(run(args))
|
|
except KeyboardInterrupt:
|
|
pass
|