ImageCrawl | Web Image Crawler by scrapy | Crawler library
kandi X-RAY | ImageCrawl Summary
kandi X-RAY | ImageCrawl Summary
Based on Scrapy, ImageCrawl is a web image crawler that outputs images' origin url and downloads images automatically. Recently supports:.
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Top functions reviewed by kandi - BETA
- Parse the response body .
- Initialize the csv file .
- Parse ImageCrawlItem .
- Process a single item
- Called when an item has finished .
- Return the file path .
- Set user agent meta .
ImageCrawl Key Features
ImageCrawl Examples and Code Snippets
Community Discussions
Trending Discussions on ImageCrawl
QUESTION
I'm working with a project where user can search some websites and look for pictures which have unique identifier.
...ANSWER
Answered 2018-Dec-07 at 13:42You should inject your database service into your ẀebCrawler
instances and not use a singleton to manage the result of your web-crawl.
crawler4j
supports a custom CrawlController.WebCrawlerFactory
(see here for reference), which can be used with Spring to inject your database service into a ImageCrawler
instance.
Every single crawler thread should be responsible for the whole process you described with (e.g. by using some specific services for it):
decode this image, get the initiator of search and save results to database
Setting it up like this, your database will be the only source of truth and you will not have to deal with synchronizing crawler-states between different instances or user-sessions.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install ImageCrawl
You can use ImageCrawl like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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