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CrawlerDetect is a Python class for detecting bots/crawlers/spiders via the user agent.

Project description

About CrawlerDetect

CrawlerDetect is a Python version of PHP class @CrawlerDetect.

It helps to detect bots/crawlers/spiders via the user agent and other HTTP-headers. Currently able to detect 1,000's of bots/spiders/crawlers.

Installation

Run pip install crawlerdetect

Usage

Variant 1

from crawlerdetect import CrawlerDetect
crawler_detect = CrawlerDetect()
crawler_detect.isCrawler('Mozilla/5.0 (compatible; Sosospider/2.0; +http://help.soso.com/webspider.htm)')
# true if crawler user agent detected

Variant 2

from crawlerdetect import CrawlerDetect
crawler_detect = CrawlerDetect(user_agent='Mozilla/5.0 (iPhone; CPU iPhone OS 7_1 like Mac OS X) AppleWebKit (KHTML, like Gecko) Mobile (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html)')
crawler_detect.isCrawler()
# true if crawler user agent detected

Variant 3

from crawlerdetect import CrawlerDetect
crawler_detect = CrawlerDetect(headers={'DOCUMENT_ROOT': '/home/test/public_html', 'GATEWAY_INTERFACE': 'CGI/1.1', 'HTTP_ACCEPT': '*/*', 'HTTP_ACCEPT_ENCODING': 'gzip, deflate', 'HTTP_CACHE_CONTROL': 'no-cache', 'HTTP_CONNECTION': 'Keep-Alive', 'HTTP_FROM': 'googlebot(at)googlebot.com', 'HTTP_HOST': 'www.test.com', 'HTTP_PRAGMA': 'no-cache', 'HTTP_USER_AGENT': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/28.0.1500.71 Safari/537.36', 'PATH': '/bin:/usr/bin', 'QUERY_STRING': 'order=closingDate', 'REDIRECT_STATUS': '200', 'REMOTE_ADDR': '127.0.0.1', 'REMOTE_PORT': '3360', 'REQUEST_METHOD': 'GET', 'REQUEST_URI': '/?test=testing', 'SCRIPT_FILENAME': '/home/test/public_html/index.php', 'SCRIPT_NAME': '/index.php', 'SERVER_ADDR': '127.0.0.1', 'SERVER_ADMIN': 'webmaster@test.com', 'SERVER_NAME': 'www.test.com', 'SERVER_PORT': '80', 'SERVER_PROTOCOL': 'HTTP/1.1', 'SERVER_SIGNATURE': '', 'SERVER_SOFTWARE': 'Apache', 'UNIQUE_ID': 'Vx6MENRxerBUSDEQgFLAAAAAS', 'PHP_SELF': '/index.php', 'REQUEST_TIME_FLOAT': 1461619728.0705, 'REQUEST_TIME': 1461619728})
crawler_detect.isCrawler()
# true if crawler user agent detected

Output the name of the bot that matched (if any)

from crawlerdetect import CrawlerDetect
crawler_detect = CrawlerDetect()
crawler_detect.isCrawler('Mozilla/5.0 (compatible; Sosospider/2.0; +http://help.soso.com/webspider.htm)')
# true if crawler user agent detected
crawler_detect.getMatches()
# Sosospider

Contributing

If you find a bot/spider/crawler user agent that CrawlerDetect fails to detect, please submit a pull request with the regex pattern added to the array in providers/crawlers.py and add the failing user agent to tests/crawlers.txt.

Failing that, just create an issue with the user agent you have found, and we'll take it from there :)

ES6 Library

To use this library with NodeJS or any ES6 application based, check out es6-crawler-detect.

.NET Library

To use this library in a .net standard (including .net core) based project, check out NetCrawlerDetect.

Nette Extension

To use this library with the Nette framework, checkout NetteCrawlerDetect.

Ruby Gem

To use this library with Ruby on Rails or any Ruby-based application, check out crawler_detect gem.

Parts of this class are based on the brilliant MobileDetect

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