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This article introduces the relevant knowledge of "what are the frameworks for reptiles". In the operation of actual cases, many people will encounter such a dilemma. Next, let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

1 、 Scrapy .

Scrapy is an application framework for obtaining website data and extracting structural data. It can be used in a series of programs such as data mining, information processing, historical data storage and so on.

2 、 PySpider .

Pyspider is a powerful web crawler system, which can write scripts on the browser interface to view function scheduling and crawler results in real time. The back-end can use common databases to store crawler results and set tasks and task priorities on a regular basis.

3 、 Crawley .

Crawley can quickly crawl the content of corresponding sites, support relational and non-relational databases, and export JSON and XML.

4 、 Portia .

Portia is a scrapyhub open crawler rule writing tool. The page provides a visual web page, you only need to click to mark the data you need to extract from the page, and you can complete the rule development without programming knowledge.

5 、 BeautifulSoup .

BeautifulSoup is a Python library that extracts data from components. It can navigate, search, and modify documents that are commonly used through your favorite converter. BeautifulSoup can save you hours or even days of work.

6 、 Grab .

Grab is a Python framework for building Web templates.

With the help of Grab, you can build a variety of complex web crawling tools, from simple 5-line scripts to complex asynchronous web crawling tools that handle millions of pages. Grab provides API for executing network requests and processing received content, such as interacting with the DOM tree of HTML documents.

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