我正在访问URL https://streeteasy.com/sales/all，除非设置了Cookie，否则该URL不显示页面。我不知道该cookie值是如何生成的。我非常怀疑Cookie的值是固定的，所以我想我也不能使用硬编码的Cookie值。
以下代码：
import requests
from bs4 import BeautifulSoup
headers = {
'authority': 'streeteasy.com',
'pragma': 'no-cache',
'cache-control': 'no-cache',
'upgrade-insecure-requests': '1',
'user-agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.100 Safari/537.36',
'accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3',
'referer': 'https://streeteasy.com/sales/all',
'accept-encoding': 'gzip, deflate, br',
'accept-language': 'en-US,en;q=0.9,ur;q=0.8',
'cookie': 'D_SID=103.228.157.1:Bl5GGXCWIxq4AopS1Hkr7nkveq1nlhWXlD3PMrssGpU; _se_t=0944dfa5-bfb4-4085-812e-fa54d44acc54; google_one_tap=0; D_IID=AFB68ACC-B276-36C0-8718-13AB09A55E51; D_UID=23BA0A61-D0DF-383D-88A9-8CF65634135F; D_ZID=C0263FA4-96BF-3071-8318-56839798C38D; D_ZUID=C2322D79-7BDB-3E32-8620-059B1D352789; D_HID=CE522333-8B7B-3D76-B45A-731EB750DF4D; last_search_tab=sales; se%3Asearch%3Asales%3Astate=%7C%7C%7C%7C; streeteasy_site=nyc; se_rs=123%2C1029856%2C123%2C1172313%2C2815; se%3Asearch%3Ashared%3Astate=102%7C%7C%7C%7Cfalse; anon_searcher_stage=initial; se_login_trigger=4; se%3Abig_banner%3Asearch=%7B%22123%22%3A2%7D; se%3Abig_banner%3Ashown=true; se_lsa=2019-07-08+04%3A01%3A30+-0400; _ses=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%3D--d869dc53b8165c9f9e77233e78c568f610994ba7',
}
session = requests.Session()
response = session.get('https://streeteasy.com/for-sale/downtown', headers=headers, timeout=20)
if response.status_code == 200:
html = response.text
soup = BeautifulSoup(html, 'lxml')
links = soup.select('h3 > a')
print(links)