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scrapy-redis 分布式问题

#!/usr/bin env python3
__author__ = 'Stephen'
import scrapy, json
from Espider.tools.get_cookies import get_cookies
from scrapy_redis.spiders import RedisSpider
from scrapy_redis.utils import bytes_to_str
from Espider.items.jingzhunitem import jingzhun_item

import execjs


class jingzhun(RedisSpider):
    name = "jingzhun"
    # start_urls = ['https://rong.36kr.com/']

    redis_key = 'edcToSpider'
    custom_settings = {
        "RANDOM_DELAY": 5,
        "SCHEDULER": "scrapy_redis.scheduler.Scheduler",
        "DUPEFILTER_CLASS": 'scrapy_redis.dupefilter.RFPDupeFilter',
        "SCHEDULER_QUEUE_CLASS": 'scrapy_redis.queue.SpiderPriorityQueue',
        "SCHEDULER_PERSIST": True,
        "ITEM_PIPELINES": {
            'scrapy_redis.pipelines.RedisPipeline': 400
        },
        "REDIS_URL": 'redis://685e545f59634200:WutongaMINUS1968@685e545f59634200.m.cnqda.kvstore.aliyuncs.com:6379/27',
        "REDIS_HOST": '685e545f59634200.m.cnqda.kvstore.aliyuncs.com',
        "REDIS_PORT": 6379,
        "REDIS_PARAMS": {
            'password': '685e545f59634200:WutongaMINUS1968'
        }

    }

    def __init__(self, *args, **kwargs):

        domain = kwargs.pop('domain', '')
        self.allowed_domains = filter(None, domain.split(','))
        super(jingzhun, self).__init__(*args, **kwargs)
        self.cookie_str = "acw_tc=b65cfd2515395760831792797e7a30fed7278a95d7c68d0dcad0b9cbc4ac1b; kwlo_iv=1h; kr_stat_uuid=TRRfp25694452; Hm_lvt_e8ec47088ed7458ec32cde3617b23ee3=1541062621,1541150329,1541661241; Hm_lpvt_e8ec47088ed7458ec32cde3617b23ee3=1541667148; download_animation=1; _kr_p_se=9867c144-9614-4298-96f7-0e46ed5efefe; krid_user_id=2014445492; krid_user_version=2; kr_plus_id=2014445492; kr_plus_token=8dnyAhS2t87wW1PU1p91L_jUAHPFmepeJJ75____; kr_plus_utype=0; device-uid=5fa2cef0-e334-11e8-978f-67115035d613"
        self.headers = {"Referer": "https://rong.36kr.com/list/detail&?sortField=HOT_SCORE",
                        "User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36"
            , "Host": "rong.36kr.com"}
        self.co_headers = {"Referer": "https://rong.36kr.com/list/detail&?sortField=HOT_SCORE",
                           "User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36"
            , "Host": "rong.36kr.com", "cookie": self.cookie_str}
        self.js_read = open('./js/jingzhun.js', 'r').read()

    def make_request_from_data(self, data):


        url = bytes_to_str(self.redis_key, self.redis_encoding)
        return self.make_requests_from_url(url)

    def make_requests_from_url(self, url):
        yield scrapy.Request(
            url=url,
            callback=self.get_all_info,
            headers=self.headers,
            #dont_filter=True,
            cookies=get_cookies(self.cookie_str),
        )

报错如下



2018-11-18 01:24:35 [scrapy.middleware] INFO: Enabled item pipelines:
['scrapy_redis.pipelines.RedisPipeline']
2018-11-18 01:24:35 [scrapy.core.engine] INFO: Spider opened
2018-11-18 01:24:35 [scrapy.extensions.logstats] INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2018-11-18 01:24:35 [scrapy.extensions.telnet] DEBUG: Telnet console listening on 127.0.0.1:6023
2018-11-18 01:24:35 [scrapy.utils.signal] ERROR: Error caught on signal handler: <bound method RefererMiddleware.request_scheduled of <scrapy.spidermiddlewares.referer.RefererMiddleware object at 0x7fa0e88d19b0>>
Traceback (most recent call last):
  File "/home/shenjianlin/.local/lib/python3.4/site-packages/scrapy/utils/signal.py", line 30, in send_catch_log
    *arguments, **named)
  File "/home/shenjianlin/.local/lib/python3.4/site-packages/pydispatch/robustapply.py", line 55, in robustApply
    return receiver(*arguments, **named)
  File "/home/shenjianlin/.local/lib/python3.4/site-packages/scrapy/spidermiddlewares/referer.py", line 343, in request_scheduled
    redirected_urls = request.meta.get('redirect_urls', [])
AttributeError: 'generator' object has no attribute 'meta'
Unhandled Error
Traceback (most recent call last):
  File "/home/shenjianlin/.local/lib/python3.4/site-packages/scrapy/commands/crawl.py", line 58, in run
    self.crawler_process.start()
  File "/home/shenjianlin/.local/lib/python3.4/site-packages/scrapy/crawler.py", line 291, in start
    reactor.run(installSignalHandlers=False)  # blocking call
  File "/home/shenjianlin/.local/lib/python3.4/site-packages/twisted/internet/base.py", line 1261, in run
    self.mainLoop()
  File "/home/shenjianlin/.local/lib/python3.4/site-packages/twisted/internet/base.py", line 1270, in mainLoop
    self.runUntilCurrent()
--- <exception caught here> ---
  File "/home/shenjianlin/.local/lib/python3.4/site-packages/twisted/internet/base.py", line 896, in runUntilCurrent
    call.func(*call.args, **call.kw)
  File "/home/shenjianlin/.local/lib/python3.4/site-packages/scrapy/utils/reactor.py", line 41, in __call__
    return self._func(*self._a, **self._kw)
  File "/home/shenjianlin/.local/lib/python3.4/site-packages/scrapy/core/engine.py", line 135, in _next_request
    self.crawl(request, spider)
  File "/home/shenjianlin/.local/lib/python3.4/site-packages/scrapy/core/engine.py", line 210, in crawl
    self.schedule(request, spider)
  File "/home/shenjianlin/.local/lib/python3.4/site-packages/scrapy/core/engine.py", line 216, in schedule
    if not self.slot.scheduler.enqueue_request(request):
  File "/usr/lib/python3.4/site-packages/scrapy_redis/scheduler.py", line 162, in enqueue_request
    if not request.dont_filter and self.df.request_seen(request):
builtins.AttributeError: 'generator' object has no attribute 'dont_filter'

2018-11-18 01:24:35 [twisted] CRITICAL: Unhandled Error
Traceback (most recent call last):
  File "/home/shenjianlin/.local/lib/python3.4/site-packages/scrapy/commands/crawl.py", line 58, in run
    self.crawler_process.start()
  File "/home/shenjianlin/.local/lib/python3.4/site-packages/scrapy/crawler.py", line 291, in start
    reactor.run(installSignalHandlers=False)  # blocking call
  File "/home/shenjianlin/.local/lib/python3.4/site-packages/twisted/internet/base.py", line 1261, in run
    self.mainLoop()
  File "/home/shenjianlin/.local/lib/python3.4/site-packages/twisted/internet/base.py", line 1270, in mainLoop
    self.runUntilCurrent()
--- <exception caught here> ---
  File "/home/shenjianlin/.local/lib/python3.4/site-packages/twisted/internet/base.py", line 896, in runUntilCurrent
    call.func(*call.args, **call.kw)
  File "/home/shenjianlin/.local/lib/python3.4/site-packages/scrapy/utils/reactor.py", line 41, in __call__
    return self._func(*self._a, **self._kw)
  File "/home/shenjianlin/.local/lib/python3.4/site-packages/scrapy/core/engine.py", line 135, in _next_request
    self.crawl(request, spider)
  File "/home/shenjianlin/.local/lib/python3.4/site-packages/scrapy/core/engine.py", line 210, in crawl
    self.schedule(request, spider)
  File "/home/shenjianlin/.local/lib/python3.4/site-packages/scrapy/core/engine.py", line 216, in schedule
    if not self.slot.scheduler.enqueue_request(request):
  File "/usr/lib/python3.4/site-packages/scrapy_redis/scheduler.py", line 162, in enqueue_request
    if not request.dont_filter and self.df.request_seen(request):
builtins.AttributeError: 'generator' object has no attribute 'dont_filter'

2018-11-18 01:24:40 [jingzhun] DEBUG: Read 1 requests from 'edcToSpider'
2018-11-18 01:25:35 [scrapy.extensions.logstats] INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
呼如林
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1回答

慕斯王

把代码的yield换成return看看。
随时随地看视频慕课网APP

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