通过python脚本调用spider时JSON在scrapy中不工作？

当我通过python脚本调用spider时，如下所示：

import os
os.environ.setdefault('SCRAPY_SETTINGS_MODULE', 'project.settings')
from twisted.internet import reactor
from scrapy import log, signals
from scrapy.crawler import Crawler
from scrapy.settings import CrawlerSettings
from scrapy.xlib.pydispatch import dispatcher
from spiders.image import aqaqspider
def stop_reactor():
    reactor.stop()

dispatcher.connect(stop_reactor, signal=signals.spider_closed)
spider = aqaqspider(domain='aqaq.com')
crawler = Crawler(CrawlerSettings())
crawler.configure()
crawler.crawl(spider)
crawler.start()
log.start()
log.msg('Running reactor...')
reactor.run()  # the script will block here until the spider is closed
log.msg('Reactor stopped.')

未创建我的Json文件。My pipelines.py具有以下代码：

import json
import codecs

class JsonWithEncodingPipeline(object):

    def __init__(self):
        self.file = codecs.open('scraped_data_utf8.json', 'w', encoding='utf-8')

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

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

当我用简单的命令行调用spider作为scrapy crawl时，它运行良好，即正在创建JSON文件

请帮帮我。我是新来的刮痧

谢谢大家！！

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我已经找到了解决方案……

我也遇到了同样的问题，但没有得到任何帮助。你知道怎么做吗？没有。我猜scrapy本身也有问题。我从scrapy得到了我的python脚本是这样的。爬虫导入爬虫从多处理导入进程从AQAQAQ.spider.image导入AQAQAQSPIDER def HandleSpider:reactor.stop mySettings={'LOG_ENABLED'：True，'ITEM_PIPELINES'：['aqaq.PIPELINES.JsonWithEncodingPipeline'，'scrapy.contrib.pipeline.images.images']}全局设置settings.overrides.updatemySettings crawlerProcess=CrawlerProcesssettings crawlerProcess.install crawlerProcess.configure spider=nameofspider创建一个spider