206 lines
9.2 KiB
Python
206 lines
9.2 KiB
Python
# 声明：本代码仅供学习和研究目的使用。使用者应遵守以下原则：
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# 1. 不得用于任何商业用途。
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# 2. 使用时应遵守目标平台的使用条款和robots.txt规则。
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# 3. 不得进行大规模爬取或对平台造成运营干扰。
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# 4. 应合理控制请求频率，避免给目标平台带来不必要的负担。
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# 5. 不得用于任何非法或不当的用途。
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#
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# 详细许可条款请参阅项目根目录下的LICENSE文件。
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# 使用本代码即表示您同意遵守上述原则和LICENSE中的所有条款。
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# -*- coding: utf-8 -*-
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# @Author : relakkes@gmail.com
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# @Time : 2023/12/2 12:53
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# @Desc : 爬虫相关的工具函数
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import base64
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import json
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import random
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import re
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import urllib
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import urllib.parse
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from io import BytesIO
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from typing import Dict, List, Optional, Tuple
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import httpx
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from PIL import Image, ImageDraw
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from playwright.async_api import Cookie, Page
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from . import utils
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async def find_login_qrcode(page: Page, selector: str) -> str:
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"""find login qrcode image from target selector"""
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try:
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elements = await page.wait_for_selector(
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selector=selector,
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)
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login_qrcode_img = str(await elements.get_property("src")) # type: ignore
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if "http://" in login_qrcode_img or "https://" in login_qrcode_img:
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async with httpx.AsyncClient(follow_redirects=True) as client:
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utils.logger.info(f"[find_login_qrcode] get qrcode by url:{login_qrcode_img}")
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resp = await client.get(login_qrcode_img, headers={"User-Agent": get_user_agent()})
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if resp.status_code == 200:
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image_data = resp.content
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base64_image = base64.b64encode(image_data).decode('utf-8')
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return base64_image
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raise Exception(f"fetch login image url failed, response message:{resp.text}")
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return login_qrcode_img
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except Exception as e:
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print(e)
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return ""
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async def find_qrcode_img_from_canvas(page: Page, canvas_selector: str) -> str:
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"""
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find qrcode image from canvas element
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Args:
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page:
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canvas_selector:
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Returns:
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"""
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# 等待Canvas元素加载完成
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canvas = await page.wait_for_selector(canvas_selector)
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# 截取Canvas元素的截图
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screenshot = await canvas.screenshot()
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# 将截图转换为base64格式
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base64_image = base64.b64encode(screenshot).decode('utf-8')
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return base64_image
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def show_qrcode(qr_code) -> None: # type: ignore
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"""parse base64 encode qrcode image and show it"""
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if "," in qr_code:
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qr_code = qr_code.split(",")[1]
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qr_code = base64.b64decode(qr_code)
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image = Image.open(BytesIO(qr_code))
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# Add a square border around the QR code and display it within the border to improve scanning accuracy.
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width, height = image.size
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new_image = Image.new('RGB', (width + 20, height + 20), color=(255, 255, 255))
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new_image.paste(image, (10, 10))
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draw = ImageDraw.Draw(new_image)
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draw.rectangle((0, 0, width + 19, height + 19), outline=(0, 0, 0), width=1)
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new_image.show()
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def get_user_agent() -> str:
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ua_list = [
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"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36",
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"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.79 Safari/537.36",
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"Mozilla/5.0 (Windows NT 10.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36",
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"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36",
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"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.53 Safari/537.36",
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"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.84 Safari/537.36",
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"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36",
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"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.5112.79 Safari/537.36",
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"Mozilla/5.0 (Windows NT 10.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36",
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"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36",
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"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.5060.53 Safari/537.36",
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"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.4844.84 Safari/537.36",
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"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36",
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"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5112.79 Safari/537.36",
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"Mozilla/5.0 (Windows NT 10.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.0.0 Safari/537.36",
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"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.0.0 Safari/537.36",
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"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5060.53 Safari/537.36",
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"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.4844.84 Safari/537.36",
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"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.0.0 Safari/537.36",
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"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5112.79 Safari/537.36"
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]
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return random.choice(ua_list)
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def get_mobile_user_agent() -> str:
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ua_list = [
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"Mozilla/5.0 (iPhone; CPU iPhone OS 16_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1",
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"Mozilla/5.0 (iPad; CPU OS 16_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1",
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"Mozilla/5.0 (iPhone; CPU iPhone OS 16_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/114.0.5735.99 Mobile/15E148 Safari/604.1",
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"Mozilla/5.0 (iPad; CPU OS 16_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/114.0.5735.124 Mobile/15E148 Safari/604.1",
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"Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Mobile Safari/537.36",
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"Mozilla/5.0 (Linux; Android 13; SAMSUNG SM-S918B) AppleWebKit/537.36 (KHTML, like Gecko) SamsungBrowser/21.0 Chrome/110.0.5481.154 Mobile Safari/537.36",
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"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.0.0 Safari/537.36 OPR/99.0.0.0",
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"Mozilla/5.0 (Linux; Android 10; JNY-LX1; HMSCore 6.11.0.302) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.88 HuaweiBrowser/13.0.5.303 Mobile Safari/537.36"
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]
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return random.choice(ua_list)
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def convert_cookies(cookies: Optional[List[Cookie]]) -> Tuple[str, Dict]:
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if not cookies:
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return "", {}
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cookies_str = ";".join([f"{cookie.get('name')}={cookie.get('value')}" for cookie in cookies])
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cookie_dict = dict()
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for cookie in cookies:
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cookie_dict[cookie.get('name')] = cookie.get('value')
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return cookies_str, cookie_dict
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def convert_str_cookie_to_dict(cookie_str: str) -> Dict:
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cookie_dict: Dict[str, str] = dict()
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if not cookie_str:
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return cookie_dict
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for cookie in cookie_str.split(";"):
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cookie = cookie.strip()
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if not cookie:
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continue
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cookie_list = cookie.split("=")
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if len(cookie_list) != 2:
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continue
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cookie_value = cookie_list[1]
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if isinstance(cookie_value, list):
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cookie_value = "".join(cookie_value)
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cookie_dict[cookie_list[0]] = cookie_value
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return cookie_dict
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def match_interact_info_count(count_str: str) -> int:
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if not count_str:
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return 0
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match = re.search(r'\d+', count_str)
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if match:
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number = match.group()
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return int(number)
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else:
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return 0
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def format_proxy_info(ip_proxy_info) -> Tuple[Optional[Dict], Optional[Dict]]:
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"""format proxy info for playwright and httpx"""
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playwright_proxy = {
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"server": f"{ip_proxy_info.protocol}{ip_proxy_info.ip}:{ip_proxy_info.port}",
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"username": ip_proxy_info.user,
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"password": ip_proxy_info.password,
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}
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httpx_proxy = {
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f"{ip_proxy_info.protocol}": f"http://{ip_proxy_info.user}:{ip_proxy_info.password}@{ip_proxy_info.ip}:{ip_proxy_info.port}"
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}
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return playwright_proxy, httpx_proxy
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def extract_text_from_html(html: str) -> str:
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"""Extract text from HTML, removing all tags."""
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if not html:
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return ""
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# Remove script and style elements
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clean_html = re.sub(r'<(script|style)[^>]*>.*?</\1>', '', html, flags=re.DOTALL)
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# Remove all other tags
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clean_text = re.sub(r'<[^>]+>', '', clean_html).strip()
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return clean_text
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def extract_url_params_to_dict(url: str) -> Dict:
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"""Extract URL parameters to dict"""
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url_params_dict = dict()
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if not url:
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return url_params_dict
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parsed_url = urllib.parse.urlparse(url)
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url_params_dict = dict(urllib.parse.parse_qsl(parsed_url.query))
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return url_params_dict
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