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初学scrapy的坑

初学scrapy的坑

作者: 一斩z | 来源:发表于2018-05-10 09:17 被阅读767次

    爬取腾讯招聘,scrapy项目

    items配置

    import scrapy


class TencentItem(scrapy.Item):

    positionName = scrapy.Field()

    spider配置

    # -*- coding: utf-8 -*-
import scrapy
from TenCent.items import TencentItem

class TencentSpider(scrapy.Spider):
    name = 'tencent'
    allowed_domains = ['tencent.com']
    #start_urls = ['http://tencent.com/']
    baseURL = "https://hr.tencent.com/position.php?&start="
    offset = 0
    start_urls = [baseURL + str(offset)]

    def parse(self, response):

        node_list = response.xpath("//tr[@class='even'] | //tr[@class='odd']")

        for node in node_list:

            item = TencentItem()

            item['positionName'] = node.xpath("./td[1]/a/text()").extract()[0]

            yield item

        if self.offset < 30:
            self.offset += 10
            url = self.baseURL + str(self.offset)
            yield scrapy.Request(url,callback=self.parse)

    settings配置

    BOT_NAME = 'TenCent'

SPIDER_MODULES = ['TenCent.spiders']
NEWSPIDER_MODULE = 'TenCent.spiders'


# Obey robots.txt rules
ROBOTSTXT_OBEY = True


ITEM_PIPELINES = {
   'TenCent.pipelines.TencentPipeline': 300,
}

    pipelines配置

    import json


class TencentPipeline(object):

    def _init_(self):
        self.file = codecs.open("tencent.json","w")

    def process_item(self, item, spider):
        content = json.dumps(dict(item), ensure_ascii=False)
        self.file.write(content.encode("utf-8")) + ",\n"
        return item


    def close_spider(self):
        self.file.close()

    蛋疼的报错

    2018-05-10 09:11:12 [scrapy.utils.log] INFO: Scrapy 1.5.0 started (bot: TenCent)
2018-05-10 09:11:12 [scrapy.utils.log] INFO: Versions: lxml 4.1.1.0, libxml2 2.9.7, cssselect 1.0.3, parsel 1.4.0, w3lib 1.19.0, Twisted 17.1.0, Python 3.6.4 |Anaconda, Inc.| (default, Jan 16 2018, 10:22:32) [MSC v.1900 64 bit (AMD64)], pyOpenSSL 17.5.0 (OpenSSL 1.0.2n  7 Dec 2017), cryptography 2.1.4, Platform Windows-7-6.1.7601-SP1
2018-05-10 09:11:12 [scrapy.crawler] INFO: Overridden settings: {'BOT_NAME': 'TenCent', 'NEWSPIDER_MODULE': 'TenCent.spiders', 'ROBOTSTXT_OBEY': True, 'SPIDER_MODULES': ['TenCent.spiders']}
2018-05-10 09:11:12 [scrapy.middleware] INFO: Enabled extensions:
['scrapy.extensions.corestats.CoreStats',
 'scrapy.extensions.telnet.TelnetConsole',
 'scrapy.extensions.logstats.LogStats']
2018-05-10 09:11:13 [scrapy.middleware] INFO: Enabled downloader middlewares:
['scrapy.downloadermiddlewares.robotstxt.RobotsTxtMiddleware',
 'scrapy.downloadermiddlewares.httpauth.HttpAuthMiddleware',
 'scrapy.downloadermiddlewares.downloadtimeout.DownloadTimeoutMiddleware',
 'scrapy.downloadermiddlewares.defaultheaders.DefaultHeadersMiddleware',
 'scrapy.downloadermiddlewares.useragent.UserAgentMiddleware',
 'scrapy.downloadermiddlewares.retry.RetryMiddleware',
 'scrapy.downloadermiddlewares.redirect.MetaRefreshMiddleware',
 'scrapy.downloadermiddlewares.httpcompression.HttpCompressionMiddleware',
 'scrapy.downloadermiddlewares.redirect.RedirectMiddleware',
 'scrapy.downloadermiddlewares.cookies.CookiesMiddleware',
 'scrapy.downloadermiddlewares.httpproxy.HttpProxyMiddleware',
 'scrapy.downloadermiddlewares.stats.DownloaderStats']
2018-05-10 09:11:13 [scrapy.middleware] INFO: Enabled spider middlewares:
['scrapy.spidermiddlewares.httperror.HttpErrorMiddleware',
 'scrapy.spidermiddlewares.offsite.OffsiteMiddleware',
 'scrapy.spidermiddlewares.referer.RefererMiddleware',
 'scrapy.spidermiddlewares.urllength.UrlLengthMiddleware',
 'scrapy.spidermiddlewares.depth.DepthMiddleware']
2018-05-10 09:11:13 [scrapy.middleware] INFO: Enabled item pipelines:
['TenCent.pipelines.TencentPipeline']
2018-05-10 09:11:13 [scrapy.core.engine] INFO: Spider opened
2018-05-10 09:11:13 [scrapy.extensions.logstats] INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2018-05-10 09:11:13 [scrapy.extensions.telnet] DEBUG: Telnet console listening on 127.0.0.1:6023
2018-05-10 09:11:13 [scrapy.core.engine] DEBUG: Crawled (200) <GET https://hr.tencent.com/robots.txt> (referer: None)
2018-05-10 09:11:14 [scrapy.core.engine] DEBUG: Crawled (200) <GET https://hr.tencent.com/position.php?&start=0> (referer: None)
2018-05-10 09:11:14 [scrapy.core.scraper] ERROR: Error processing {'positionName': '21087-互动小说游戏资深运营经理（深圳）'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:14 [scrapy.core.scraper] ERROR: Error processing {'positionName': '21087-互动小说类资深项目管理（深圳）'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:14 [scrapy.core.scraper] ERROR: Error processing {'positionName': '21087-互动小说类内容IP版权管理（深圳）'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:14 [scrapy.core.scraper] ERROR: Error processing {'positionName': 'SNG04-广告业务后台工程师（上海）'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:14 [scrapy.core.scraper] ERROR: Error processing {'positionName': 'SNG04-UGC质量后台开发工程师（上海）'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:14 [scrapy.core.scraper] ERROR: Error processing {'positionName': '25667-运营商渠道销售（深圳）'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:14 [scrapy.core.scraper] ERROR: Error processing {'positionName': 'MIG08-后台开发高级工程师(广州)(腾讯WiFi管家)'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:14 [scrapy.core.scraper] ERROR: Error processing {'positionName': 'MIG16-车联网大数据及算法产品经理'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:14 [scrapy.core.scraper] ERROR: Error processing {'positionName': '21087-互动小说类游戏商业化运营（深圳）'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:14 [scrapy.core.scraper] ERROR: Error processing {'positionName': '21087-互动小说类美术编辑（深圳）'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:14 [scrapy.core.engine] DEBUG: Crawled (200) <GET https://hr.tencent.com/position.php?&start=10> (referer: https://hr.tencent.com/position.php?&start=0)
2018-05-10 09:11:14 [scrapy.core.scraper] ERROR: Error processing {'positionName': '21087-互动小说类内容编辑（深圳/北京）'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:14 [scrapy.core.scraper] ERROR: Error processing {'positionName': '21087-互动小说类内容编辑（深圳/北京）'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:14 [scrapy.core.scraper] ERROR: Error processing {'positionName': '21087-互动小说类资深内容责编（深圳）'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:14 [scrapy.core.scraper] ERROR: Error processing {'positionName': 'SNG08-高级品牌视觉设计师（深圳）'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:14 [scrapy.core.scraper] ERROR: Error processing {'positionName': 'TEG09-推荐系统后台开发工程师（深圳）'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:14 [scrapy.core.scraper] ERROR: Error processing {'positionName': 'WXG06-321 微信境外支付高级区域经理（日本）微信境外支付高级区域经理（台北）'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:14 [scrapy.core.scraper] ERROR: Error processing {'positionName': '21087-互动小说类游戏策划（深圳）'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:14 [scrapy.core.scraper] ERROR: Error processing {'positionName': '21087-互动小说类平台高级产品经理（深圳）'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:14 [scrapy.core.scraper] ERROR: Error processing {'positionName': '21087-互动小说类游戏版本管理（深圳）'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:14 [scrapy.core.scraper] ERROR: Error processing {'positionName': 'WXG06-321 微信境外支付高级区域经理（香港）'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:14 [scrapy.core.engine] DEBUG: Crawled (200) <GET https://hr.tencent.com/position.php?&start=20> (referer: https://hr.tencent.com/position.php?&start=10)
2018-05-10 09:11:14 [scrapy.core.scraper] ERROR: Error processing {'positionName': 'WXG06-321 微信境外支付高级区域经理（日本）'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:14 [scrapy.core.scraper] ERROR: Error processing {'positionName': 'WXG06-321 微信境外支付高级区域经理（日本）微信境外支付高级区域经理（泰国）'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:14 [scrapy.core.scraper] ERROR: Error processing {'positionName': '16810-动漫商务经理（深圳）'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:14 [scrapy.core.scraper] ERROR: Error processing {'positionName': '16810-动漫付费业务编辑（北京）'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:14 [scrapy.core.scraper] ERROR: Error processing {'positionName': 'WXG06-321 微信境外支付高级区域经理（日本）微信境外支付高级区域经理（荷兰））'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:14 [scrapy.core.scraper] ERROR: Error processing {'positionName': '15612-手游关卡策划（北京）'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:14 [scrapy.core.scraper] ERROR: Error processing {'positionName': '15575-《圣斗士星矢》资深系统策划（成都）'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:14 [scrapy.core.scraper] ERROR: Error processing {'positionName': 'MIG06-智能硬件产品经理（人机交互方向）（深圳）'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:14 [scrapy.core.scraper] ERROR: Error processing {'positionName': '20772-企鹅影视天机工作室制片人'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:14 [scrapy.core.scraper] ERROR: Error processing {'positionName': 'MIG03-移动端测试开发工程师（深圳）'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:14 [scrapy.core.engine] DEBUG: Crawled (200) <GET https://hr.tencent.com/position.php?&start=30> (referer: https://hr.tencent.com/position.php?&start=20)
2018-05-10 09:11:15 [scrapy.core.scraper] ERROR: Error processing {'positionName': '25923-互动娱乐游戏数据库管理（深圳）'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:15 [scrapy.core.scraper] ERROR: Error processing {'positionName': '27087-腾讯开放平台部投资经理（深圳）'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:15 [scrapy.core.scraper] ERROR: Error processing {'positionName': '15605-特效设计（深圳）'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:15 [scrapy.core.scraper] ERROR: Error processing {'positionName': '20589-海外PM(深圳)'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:15 [scrapy.core.scraper] ERROR: Error processing {'positionName': '15575-王者荣耀游戏社区产品经理（成都）'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:15 [scrapy.core.scraper] ERROR: Error processing {'positionName': '23673-数码编辑（北京）'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:15 [scrapy.core.scraper] ERROR: Error processing {'positionName': 'S2-CDG财务管理（深圳）'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:15 [scrapy.core.scraper] ERROR: Error processing {'positionName': 'SNG16-腾讯音乐用户研究工程师（深圳）'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:15 [scrapy.core.scraper] ERROR: Error processing {'positionName': '27087-腾讯开放平台大数据投资系统前端开发（深圳）'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:15 [scrapy.core.scraper] ERROR: Error processing {'positionName': '27087-投资孵化中心大数据分析师（深圳）'}
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "F:\PY\TenCent\TenCent\pipelines.py", line 17, in process_item
    self.file.write(content.encode("utf-8")) + ",\n"
AttributeError: 'TencentPipeline' object has no attribute 'file'
2018-05-10 09:11:15 [scrapy.core.engine] INFO: Closing spider (finished)
2018-05-10 09:11:15 [scrapy.core.engine] ERROR: Scraper close failure
Traceback (most recent call last):
  File "F:\Anaconda\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
TypeError: close_spider() takes 1 positional argument but 2 were given
2018-05-10 09:11:15 [scrapy.statscollectors] INFO: Dumping Scrapy stats:
{'downloader/request_bytes': 1467,
 'downloader/request_count': 5,
 'downloader/request_method_count/GET': 5,
 'downloader/response_bytes': 16172,
 'downloader/response_count': 5,
 'downloader/response_status_count/200': 5,
 'finish_reason': 'finished',
 'finish_time': datetime.datetime(2018, 5, 10, 1, 11, 15, 103335),
 'log_count/DEBUG': 6,
 'log_count/ERROR': 41,
 'log_count/INFO': 7,
 'request_depth_max': 3,
 'response_received_count': 5,
 'scheduler/dequeued': 4,
 'scheduler/dequeued/memory': 4,
 'scheduler/enqueued': 4,
 'scheduler/enqueued/memory': 4,
 'start_time': datetime.datetime(2018, 5, 10, 1, 11, 13, 535246)}
2018-05-10 09:11:15 [scrapy.core.engine] INFO: Spider closed (finished)

    最后修改w+ 为 wb 就成功了具体原理 尚不大懂

    pipelines修改为

    # -*- coding: utf-8 -*-

# Define your item pipelines here
#
# Don't forget to add your pipeline to the ITEM_PIPELINES setting
# See: https://doc.scrapy.org/en/latest/topics/item-pipeline.html
import json
import codecs

class TencentPipeline(object):

    # def _init_(self):
    #     self.file = codecs.open("tencent.json","w+",encoding='utf-8')
    #
    # def process_item(self, item, spider):
    #     lines = json.dumps(dict(item), ensure_ascii=False) + '\n'
    #     self.file.write(lines)
    #     self.file.flush()
    #     return item
    #
    #
    # def spider_closed(self, spider):
    #     self.file.close()
    def open_spider(self, spider):
        self.file = codecs.open('items.json', 'wb',encoding='utf-8')

    def close_spider(self, spider):
        self.file.close()

    def process_item(self, item, spider):
        line = json.dumps(dict(item), ensure_ascii=False) + "\n"
        self.file.write(line)
        return item

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