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scrapy爬虫写好后,需要用命令行运行,如果能在网页上操作就比较方便。scrapyd部署就是为了解决这个问题,能够在网页端查看正在执行的任务,也能新建爬虫任务,和终止爬虫任务,功能比较强大。
pip install scrapyd
pip install scrapyd-client
windows系统,在c:\python27\Scripts下生成的是scrapyd-deploy,无法直接在命令行里运行scrapd-deploy。
解决办法: 在c:\python27\Scripts下新建一个scrapyd-deploy.bat,文件内容如下:@echo offC:\Python27\python C:\Python27\Scripts\scrapyd-deploy %*
添加环境变量:C:\Python27\Scripts;
首先切换命令行路径到Scrapy项目的根目录下,
要执行以下的命令,需要先在命令行里执行scrapyd,将scrapyd运行起来MacBook-Pro:~ usera$ scrapyd/usr/local/bin/scrapyd:5: UserWarning: Module _markerlib was already imported from /Library/Python/2.7/site-packages/distribute-0.6.49-py2.7.egg/_markerlib/__init__.pyc, but /System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python is being added to sys.path from pkg_resources import load_entry_point2016-09-24 16:00:21+0800 [-] Log opened.2016-09-24 16:00:21+0800 [-] twistd 15.5.0 (/usr/bin/python 2.7.10) starting up.2016-09-24 16:00:21+0800 [-] reactor class: twisted.internet.selectreactor.SelectReactor.2016-09-24 16:00:21+0800 [-] Site starting on 68002016-09-24 16:00:21+0800 [-] Starting factory2016-09-24 16:00:21+0800 [Launcher] Scrapyd 1.1.0 started: max_proc=16, runner='scrapyd.runner'
在scrapy.cfg中,取消#url = 前面的“#”,具体如下:,
然后在命令行中切换命令至scrapy工程根目录,运行命令:scrapyd-deploy-p
示例:
scrapd-deploy -p MySpider
scrapyd-deploy -loutput:TS http://localhost:6800/
MyMacBook-Pro:MySpiderProject user$ scrapyd
curl http://localhost:6800/schedule.json -d project=myproject -d spider=spider2
# LOG_LEVEL = "ERROR"# LOG_STDOUT = True# LOG_FILE = "/tmp/spider.log"# LOG_FORMAT = "%(asctime)s [%(name)s] %(levelname)s: %(message)s"
When setting LOG_STDOUT=True, scrapyd-deploy will return 'spiders: 0'. Because the output will be redirected to the file when execute 'scrapy list', like this: INFO:stdout:spider-name. Soget_spider_list can not parse it correctly.
在网页中输入:
下图为的内容:
配置文件:C:\Python27\Lib\site-packages\scrapyd-1.1.0-py2.7.egg\scrapyd\default_scrapyd.conf
[scrapyd]eggs_dir = eggslogs_dir = logsitems_dir = itemsjobs_to_keep = 50dbs_dir = dbsmax_proc = 0max_proc_per_cpu = 4finished_to_keep = 100poll_interval = 5http_port = 6800debug = offrunner = scrapyd.runnerapplication = scrapyd.app.applicationlauncher = scrapyd.launcher.Launcher[services]schedule.json = scrapyd.webservice.Schedulecancel.json = scrapyd.webservice.Canceladdversion.json = scrapyd.webservice.AddVersionlistprojects.json = scrapyd.webservice.ListProjectslistversions.json = scrapyd.webservice.ListVersionslistspiders.json = scrapyd.webservice.ListSpidersdelproject.json = scrapyd.webservice.DeleteProjectdelversion.json = scrapyd.webservice.DeleteVersionlistjobs.json = scrapyd.webservice.ListJobs
参考
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