def free_proxy_kuaidaili(self, page=10): # 快代理
# 之后的十多行只是为了拿到一个cookies
dom = self.session.get('http://www.kuaidaili.com/proxylist/1/')
open('tmp_kuaidaili.html', 'w').write(dom.text)
file = open('tmp_kuaidaili.html', 'r').read()
ret1 = re.findall(r'function (.*?)\(', file)[0]
ret1 = re.findall(r'%s\((.*?)\)' % ret1, file)
ret2 = 'var ' + re.findall(r'var (.*?) </script>', \
file, re.DOTALL)[0][:-25].replace(ret1[1], ret1[0]) + ' return po;'
ret3 = execjs.exec_(ret2)
k = ret3.split(';')[0].split("'")[1].split('=')[0]
v = ret3.split(';')[0].split("'")[1].split('=')[1]
# {'_ydclearance': '0ac1fa903ebbfd9ef7b1bd75-7e1f-4461-921c-c4b2afa95a10-1490785013'}
self.session.cookies.update({k: v})
# 开始翻页，拿到ip和port
self.url_list = ('http://www.kuaidaili.com/proxylist/{page}/'.format(
page=page) for page in range(1, page + 1))
for url in self.url_list:
dom = self.get_dom_tree(url)
proxy_list = dom.xpath('//div[@id="index_free_list"]//tbody/tr')
for proxy in proxy_list:
str_ip = proxy.xpath('.//td[@data-title="IP"]/text()')[0]
str_port = proxy.xpath('.//td[@data-title="PORT"]/text()')[0]
# 还有：匿名度、类型、get/post支持、位置、响应速度、最后验证时间
self.proxies.append(str_ip + ':' + str_port)
def solve_cf_challenge(self, resp, **kwargs):
time.sleep(5) # Cloudflare requires a delay before solving the challenge
body = resp.text
parsed_url = urlparse(resp.url)
domain = urlparse(resp.url).netloc
submit_url = "%s://%s/cdn-cgi/l/chk_jschl" % (parsed_url.scheme, domain)
params = kwargs.setdefault("params", {})
headers = kwargs.setdefault("headers", {})
headers["Referer"] = resp.url
try:
params["jschl_vc"] = re.search(r'name="jschl_vc" value="(\w+)"', body).group(1)
params["pass"] = re.search(r'name="pass" value="(.+?)"', body).group(1)
# Extract the arithmetic operation
js = self.extract_js(body)
except Exception:
# Something is wrong with the page.
# This may indicate Cloudflare has changed their anti-bot
# technique. If you see this and are running the latest version,
# please open a GitHub issue so I can update the code accordingly.
print("[!] Unable to parse Cloudflare anti-bots page. "
"Try upgrading cloudflare-scrape, or submit a bug report "
"if you are running the latest version. Please read "
"https://github.com/Anorov/cloudflare-scrape#updates "
"before submitting a bug report.\n")
raise
# Safely evaluate the Javascript expression
params["jschl_answer"] = str(int(execjs.exec_(js)) + len(domain))
return self.get(submit_url, **kwargs)
def parse_post(self, task: Task) -> Task:
html = task.response.html
if "出错" in html.find("title", first=True).text:
raise PlatformItemError(task.url,
html.find("body", first=True).text)
try:
script = html.find("script", containing="$render_data",
first=True).text
code = f"function foo() {{ {script}; return $render_data; }}; return foo();".replace(
" var ", "; var ")
data = execjs.exec_(code)
box = Box(data["status"])
task.parsed_result = {
"id": box.id,
"title": box.get("status_title"),
"content": box.text,
"shares": box.get("reposts_count"),
"comments": box.get("comments_count"),
"likes": box.get("attitudes_count"),
"profile_url": f'https://weibo.com/u/{box.user.get("id")}',
"profile_name": box.user.screen_name,
"profile_avatar": box.user.avatar_hd,
"post_time": maya.parse(box.get("created_at")).epoch,
}
return task
except AttributeError as e:
logger.error(
f"Parse post failed: {e}, original text {task.response.html.text}"
)
raise e
def testCoffeeScriptFilesCompiledInClosure(self):
''' CoffeeScript files are compiled in a closure '''
script = str(self.env['coffee'])
import sys
sys.stdout.write(script)
import execjs
self.assertEqual("undefined",execjs.exec_(script))
def testCoffeeScriptFilesCompiledInClosure(self):
''' CoffeeScript files are compiled in a closure '''
script = str(self.env['coffee'])
import sys
sys.stdout.write(script)
import execjs
self.assertEqual("undefined", execjs.exec_(script))
def solve_cf_challenge(self, resp, headers, cookies, **kwargs):
time.sleep(5) # Cloudflare requires a delay before solving
headers = headers.copy()
url = resp.url
parsed = urlparse(url)
domain = parsed.netloc
page = resp.text
kwargs.pop("params", None) # Don't pass on params
try:
challenge = re.search(
r'name="jschl_vc" value="(\w+)"', page).group(1)
challenge_pass = re.search(
r'name="pass" value="(.+?)"', page).group(1)
# Extract the arithmetic operation
builder = re.search(
r"setTimeout\(function\(\){\s+(var t,r,a,f.+?\r?\n[\s\S]+"
r"?a\.value =.+?)\r?\n",
page).group(1)
builder = re.sub(r"a\.value =(.+?) \+ .+?;", r"\1", builder)
builder = re.sub(r"\s{3,}[a-z](?: = |\.).+", "", builder)
except Exception as e:
# Something is wrong with the page. This may indicate Cloudflare
# has changed their anti-bot technique. If you see this and are
# running the latest version, please open a GitHub issue
# so I can update the code accordingly.
print("""
[!] Unable to parse Cloudflare anti-bots page. Try upgrading
cloudflare-scrape, or submit a bug report if you are running
the latest version. Please read
https://github.com/Anorov/cloudflare-scrape#updates
before submitting a bug report.
""")
# Safely evaluate the Javascript expression
js = self.format_js(builder)
answer = str(int(execjs.exec_(js)) + len(domain))
params = {
"jschl_vc": challenge,
"jschl_answer": answer,
"pass": challenge_pass
}
submit_url = "%s://%s/cdn-cgi/l/chk_jschl" % (parsed.scheme, domain)
headers["Referer"] = url
resp = requests.get(
submit_url,
params=params,
headers=headers,
cookies=cookies,
**kwargs
)
resp.cookies.set("__cfduid", cookies.get("__cfduid"))
return resp
def solve_cf_challenge(self, resp, headers, cookies, **kwargs):
time.sleep(
5) # Cloudflare requires a delay before solving the challenge
headers = headers.copy()
url = resp.url
parsed = urlparse(url)
domain = parsed.netloc
page = resp.text
kwargs.pop("params", None) # Don't pass on params
try:
challenge = re.search(r'name="jschl_vc" value="(\w+)"',
page).group(1)
challenge_pass = re.search(r'name="pass" value="(.+?)"',
page).group(1)
# Extract the arithmetic operation
builder = re.search(
r"setTimeout\(function\(\){\s+(var t,r,a,f.+?\r?\n[\s\S]+?a\.value =.+?)\r?\n",
page).group(1)
builder = re.sub(r"a\.value =(.+?) \+ .+?;", r"\1", builder)
builder = re.sub(r"\s{3,}[a-z](?: = |\.).+", "", builder)
except Exception as e:
# Something is wrong with the page. This may indicate Cloudflare has changed their
# anti-bot technique. If you see this and are running the latest version,
# please open a GitHub issue so I can update the code accordingly.
print(
"[!] Unable to parse Cloudflare anti-bots page. Try upgrading cloudflare-scrape, or submit "
"a bug report if you are running the latest version. Please read "
"https://github.com/Anorov/cloudflare-scrape#updates before submitting a bug report.\n"
)
raise
# Safely evaluate the Javascript expression
js = self.format_js(builder)
answer = str(int(execjs.exec_(js)) + len(domain))
params = {
"jschl_vc": challenge,
"jschl_answer": answer,
"pass": challenge_pass
}
submit_url = "%s://%s/cdn-cgi/l/chk_jschl" % (parsed.scheme, domain)
headers["Referer"] = url
resp = requests.get(submit_url,
params=params,
headers=headers,
cookies=cookies,
**kwargs)
resp.cookies.set("__cfduid", cookies.get("__cfduid"))
return resp
def solve_cf_challenge(self, resp, **kwargs):
time.sleep(
5) # Cloudflare requires a delay before solving the challenge
body = resp.text
parsed_url = urlparse(resp.url)
domain = urlparse(resp.url).netloc
submit_url = "%s://%s/cdn-cgi/l/chk_jschl" % (parsed_url.scheme,
domain)
params = kwargs.setdefault("params", {})
headers = kwargs.setdefault("headers", {})
headers["Referer"] = resp.url
try:
params["jschl_vc"] = re.search(r'name="jschl_vc" value="(\w+)"',
body).group(1)
params["pass"] = re.search(r'name="pass" value="(.+?)"',
body).group(1)
# Extract the arithmetic operation
js = self.extract_js(body)
except Exception:
# Something is wrong with the page.
# This may indicate Cloudflare has changed their anti-bot
# technique. If you see this and are running the latest version,
# please open a GitHub issue so I can update the code accordingly.
print("[!] Unable to parse Cloudflare anti-bots page. "
"Try upgrading cloudflare-scrape, or submit a bug report "
"if you are running the latest version. Please read "
"https://github.com/Anorov/cloudflare-scrape#updates "
"before submitting a bug report.\n")
raise
# Safely evaluate the Javascript expression
params["jschl_answer"] = str(int(execjs.exec_(js)) + len(domain))
return self.get(submit_url, **kwargs)
def solve_cf_challenge(self, resp, headers, **kwargs):
headers = headers.copy()
url = resp.url
parsed = urlparse(url)
domain = parsed.netloc
page = resp.text
kwargs.pop("params", None) # Don't pass on params
try:
# Extract the arithmetic operation
challenge = re.search(r'name="jschl_vc" value="(\w+)"',
page).group(1)
builder = re.search(
r"setTimeout\(function\(\){\s+(var t,r,a,f.+?\r?\n[\s\S]+?a\.value =.+?)\r?\n",
page).group(1)
builder = re.sub(r"a\.value =(.+?) \+ .+?;", r"\1", builder)
builder = re.sub(r"\s{3,}[a-z](?: = |\.).+", "", builder)
builder = builder.replace("parseInt", "return parseInt")
except AttributeError:
# Something is wrong with the page. This may indicate Cloudflare has changed their
# anti-bot technique. If you see this and are running the latest version,
# please open a GitHub issue so I can update the code accordingly.
raise IOError(
"Unable to parse Cloudflare anti-bots page. Try upgrading cfscrape, or "
"submit a bug report if you are running the latest version.")
# Safely evaluate the Javascript expression
answer = str(int(execjs.exec_(builder)) + len(domain))
params = {"jschl_vc": challenge, "jschl_answer": answer}
submit_url = "%s://%s/cdn-cgi/l/chk_jschl" % (parsed.scheme, domain)
headers["Referer"] = url
return requests.get(submit_url,
params=params,
headers=headers,
**kwargs)
┃ 永无BUG！ ┏┛
┗┓┓┏━┳┓┏┛
┃┫┫ ┃┫┫
┗┻┛ ┗┻┛
"""
import execjs
import os
if __name__ == '__main__':
print(execjs.eval("new Date"))
#获取 当前 执行JS的环境的名字
print(execjs.get().name)
# 设置js 执行的环境
os.environ["EXECJS_RUNTIME"] = "PhantomJS"
print(execjs.get().name)
print(execjs.eval("Date.now()"))
# compile里为 js 语句
ctx = execjs.compile("""
function add(x, y) {
return x + y;
}
""")
# compile 会返回一个上下文执行的环境 通过 call 方法执行 指定的函数
result = ctx.call("add", 1, 2)
print(result)
# 通过execjs 执行多个 js 语句
print(execjs.exec_("var a=100;var b=201;return a+b;"))
