0 1.Scrapy 使用 MongoDB https://doc.scrapy.org/en/latest/topics/item-pipeline.html#write-items-to-mongodb Write items to MongoDB In this example we’ll write items to MongoDB using pymongo. MongoDB address and database name are specified in Scrapy setti…
See also: Scrapy homepage, Official documentation, Scrapy snippets on Snipplr Getting started If you're new to Scrapy, start by reading Scrapy at a glance. Google Summer of Code GSoC 2015 GSoC 2014 Articles & blog posts These are guides contributed b…
Scrapy 官方介绍是 An open source and collaborative framework for extracting the data you need from websites. In a fast, simple, yet extensible way. 意思就是 一个开源和协作框架,用于以快速,简单,可扩展的方式从网站中提取所需的数据. 环境准备 本文项目使用环境及工具如下 python3 scrapy mongodb python3 scrapy的安装就不再叙述…
参考博客:https://www.cnblogs.com/xiaodangshan/p/7197563.html 安装过程比较简单,需要注意,安装之后,为了不影响系统自带的python2.6版本,需要在用户家目录下设置别名 vim ~/.bashrc 增加如下内容: alias python3='/data/python3.6/bin/python3.6' alias pip3='/data/python3.6/bin/pip3' 然后使用命令,使得环境变量变量生效 source ~/.bas…
Python爬虫框架Scrapy实例(三)数据存储到MongoDB任务目标:爬取豆瓣电影top250,将数据存储到MongoDB中. items.py文件复制代码# -*- coding: utf-8 -*-import scrapy class DoubanItem(scrapy.Item): # define the fields for your item here like: # 电影名 title = scrapy.Field() # 基本信息 bd = scrapy.Field()…
反反爬虫相关机制 Some websites implement certain measures to prevent bots from crawling them, with varying degrees of sophistication. Getting around those measures can be difficult and tricky, and may sometimes require special infrastructure. Please consider…