from tasks import login
if __name__ == '__main__':
# 由于celery的定时器有延迟，所以第一次需要手动
login.excute_login_task()
def get_page(url, user_verify=True, need_login=True):
"""
:param url: 待出现
:param user_verify: 是否为可能出现验证码的页面(ajax连接不会出现验证码，如果是请求微博或者用户信息可能出现验证码)，否为抓取转发的ajax连接
:param need_login: 抓取页面是否需要登录，这样做可以减小一些账号的压力
:return: 返回请求的数据，如果出现404或者403,或者是别的异常，都返回空字符串
"""
crawler.info('本次抓取的url为{url}'.format(url=url))
count = 0
latest_name_cookies = None
while count < max_retries:
if need_login:
# 每次重试的时候都换cookies,并且和上次不同
name_cookies = Cookies.fetch_cookies()
if name_cookies is None:
crawler.warning('cookie池中不存在cookie，正在检查是否有可用账号')
rs = get_login_info()
if len(rs) == 0:
crawler.error('账号均不可用，请检查账号健康状况')
# 杀死所有关于celery的进程
if 'win32' in sys.platform:
os.popen('taskkill /F /IM "celery*"')
else:
os.popen('pkill -f "celery"')
else:
# 如果有可用账号，那么就拿来登录,这里用了本地调用，好像不是很合理，因为如果login queue
# 不会在本机上，那么该调用就会无效但是用网络调用，如何保证不会出现在某些不常用登录地的节点
# 上还有待考量，亦或者找到一个更适合的方法可以突破异地登录的限制
# TODO 衡量是用网络调用还是直接调用 login.get_session()方法，这里应该不是很合理
# 目前暂时不考虑节点登录出现验证码的问题， 考虑到大规模账号登录的话，需要把login_queue的节点放在账号常用地
crawler.info('重新获取cookie中...')
login.excute_login_task()
time.sleep(10)
if name_cookies == latest_name_cookies:
continue
latest_name_cookies = name_cookies
try:
if need_login:
resp = requests.get(url,
headers=headers,
cookies=name_cookies[1],
timeout=time_out,
verify=False)
if "$CONFIG['islogin'] = '******'" in resp.text:
crawler.warning('账号{}出现异常'.format(name_cookies[0]))
freeze_account(name_cookies[0])
Cookies.delete_cookies(name_cookies[0])
continue
else:
resp = requests.get(url,
headers=headers,
timeout=time_out,
verify=False)
page = resp.text
if page:
page = page.encode('utf-8', 'ignore').decode('utf-8')
else:
continue
# 每次抓取过后程序sleep的时间，降低封号危险
time.sleep(interal)
if user_verify:
if 'unfreeze' in resp.url or 'accessdeny' in resp.url or is_403(
page):
crawler.warning('账号{}已经被冻结'.format(name_cookies[0]))
freeze_account(name_cookies[0])
Cookies.delete_cookies(name_cookies[0])
count += 1
continue
if not is_complete(page):
count += 1
continue
if is_404(page):
crawler.warning('url为{url}的连接不存在'.format(url=url))
return ''
except (requests.exceptions.ReadTimeout,
requests.exceptions.ConnectionError, AttributeError) as e:
crawler.warning('抓取{}出现异常，具体信息是{}'.format(url, e))
count += 1
time.sleep(excp_interal)
else:
Urls.store_crawl_url(url, 1)
return page
crawler.warning('抓取{}已达到最大重试次数，请在redis的失败队列中查看该url并检查原因'.format(url))
Urls.store_crawl_url(url, 0)
return ''
# coding:utf-8
from tasks import login
if __name__ == '__main__':
# you should execute this file, because celery timer will execute login delayed
login.excute_login_task()
def get_page(url, user_verify=True, need_login=True):
"""
:param url: 待抓取url
:param user_verify: 是否为可能出现验证码的页面(ajax连接不会出现验证码，如果是请求微博或者用户信息可能出现验证码)，否为抓取转发的ajax连接
:param need_login: 抓取页面是否需要登录，这样做可以减小一些账号的压力
:return: 返回请求的数据，如果出现404或者403,或者是别的异常，都返回空字符串
"""
crawler.info('本次抓取的url为{url}'.format(url=url))
count = 0
while count < max_retries:
if need_login:
# 每次重试的时候都换cookies,并且和上次不同,如果只有一个账号，那么就允许相同
name_cookies = Cookies.fetch_cookies()
if name_cookies is None:
crawler.warning('cookie池中不存在cookie，正在检查是否有可用账号')
rs = get_login_info()
# 选择状态正常的账号进行登录，账号都不可用就停掉celery worker
if len(rs) == 0:
crawler.error('账号均不可用，请检查账号健康状况')
# 杀死所有关于celery的进程
if 'win32' in sys.platform:
os.popen('taskkill /F /IM "celery*"')
else:
os.popen('pkill -f "celery"')
else:
crawler.info('重新获取cookie中...')
login.excute_login_task()
time.sleep(10)
try:
if need_login:
resp = requests.get(url,
headers=headers,
cookies=name_cookies[1],
timeout=time_out,
verify=False)
if "$CONFIG['islogin'] = '******'" in resp.text:
crawler.warning('账号{}出现异常'.format(name_cookies[0]))
freeze_account(name_cookies[0], 0)
Cookies.delete_cookies(name_cookies[0])
continue
else:
resp = requests.get(url,
headers=headers,
timeout=time_out,
verify=False)
page = resp.text
if page:
page = page.encode('utf-8', 'ignore').decode('utf-8')
else:
continue
# 每次抓取过后程序sleep的时间，降低封号危险
time.sleep(interal)
if user_verify:
if 'unfreeze' in resp.url or 'accessdeny' in resp.url or 'userblock' in resp.url or is_403(
page):
crawler.warning('账号{}已经被冻结'.format(name_cookies[0]))
freeze_account(name_cookies[0], 0)
Cookies.delete_cookies(name_cookies[0])
count += 1
continue
if 'verifybmobile' in resp.url:
crawler.warning('账号{}功能被锁定，需要手机解锁'.format(name_cookies[0]))
freeze_account(name_cookies[0], -1)
Cookies.delete_cookies(name_cookies[0])
continue
if not is_complete(page):
count += 1
continue
if is_404(page):
crawler.warning('url为{url}的连接不存在'.format(url=url))
return ''
except (requests.exceptions.ReadTimeout,
requests.exceptions.ConnectionError, AttributeError) as e:
crawler.warning('抓取{}出现异常，具体信息是{}'.format(url, e))
count += 1
time.sleep(excp_interal)
else:
Urls.store_crawl_url(url, 1)
return page
crawler.warning('抓取{}已达到最大重试次数，请在redis的失败队列中查看该url并检查原因'.format(url))
Urls.store_crawl_url(url, 0)
return ''
def get_page(url, user_verify=True):
"""
:param url: 待出现
:param user_verify: 是否为可能出现验证码的页面(ajax连接不会出现验证码，如果是请求微博或者用户信息可能出现验证码)，否为抓取转发的ajax连接
:return: 返回请求的数据，如果出现404或者403,或者是别的异常，都返回空字符串
"""
crawler.info('本次抓取的url为{url}'.format(url=url))
count = 0
latest_name_cookies = None
while count < max_retries:
# 每次重试的时候都换cookies,并且和上次不同
name_cookies = Cookies.fetch_cookies()
if name_cookies is None:
crawler.warning('cookie池中不存在cookie，正在检查是否有可用账号')
rs = get_login_info()
if len(rs) == 0:
crawler.error('账号均不可用，请检查账号健康状况')
sys.exit(-1)
else:
# 如果有可用账号，那么就拿来登录
crawler.info('重新获取cookie中...')
login.excute_login_task()
time.sleep(10)
if name_cookies == latest_name_cookies:
continue
latest_name_cookies = name_cookies
try:
resp = requests.get(url,
headers=headers,
cookies=name_cookies[1],
timeout=time_out,
verify=False)
page = resp.text
if page:
page = page.encode('utf-8', 'ignore').decode('utf-8')
else:
continue
# 每次抓取过后程序sleep的时间，降低封号危险
time.sleep(interal)
if user_verify:
if 'unfreeze' in resp.url or is_403(page):
crawler.warning('账号{}已经被冻结'.format(name_cookies[0]))
freeze_account(name_cookies[0])
Cookies.delete_cookies(name_cookies[0])
count += 1
continue
if not is_complete(page):
count += 1
continue
if is_404(page):
crawler.warning('url为{url}的连接不存在'.format(url=url))
return ''
except (requests.exceptions.ReadTimeout,
requests.exceptions.ConnectionError, AttributeError) as e:
crawler.warning('抓取{}出现异常，具体信息是{}'.format(url, e))
count += 1
time.sleep(excp_interal)
else:
Urls.store_crawl_url(url, 1)
return page
crawler.warning('抓取{}已达到最大重试次数，请在redis的失败队列中查看该url并检查原因'.format(url))
Urls.store_crawl_url(url, 0)
return ''