ScrapeWebdriver
Class based on selenium webdriver.Firefox with methods for scraping. Allow dynamically change proxies with change of `"about:config".
Changelog presented in CHANGELOG.md.
Installation
pip install scrapy_webdriver
Basic usage
For use selenium, need to yield SeleniumRequest and if you need to make some actions on page, can use driver_func.
from typing import Iterable
import scrapy
from scrapy.http import Request
from scrapy_webdriver.middleware_utils.drivers import Driver
from scrapy_webdriver.middleware_utils.http import SeleniumRequest
class TestSpider(scrapy.Spider):
name = "simple_spider"
start_urls = ["http://example.org"]
def start_requests(self) -> Iterable[Request]:
for url in self.start_urls:
yield SeleniumRequest(
url=url,
callback=self.parse,
driver_func=self.parse_page_with_driver,
)
def parse_page_with_driver(self, driver: Driver):
self.logger.info("Page opened")
def parse(self, response, **kwargs):
yield {"title": response.css("title::text").get()}
Available options
SELENIUM_POOL_SIZE- how many concurrent browser instances will be opened at same time, default 1SELENIUM_PROXY_POOL- proxy pool in formatIteable[http://user:pass@host:port], default().SELENIUM_CHANGE_PROXY_ON_EACH_REQUEST- change or not proxy before each request, defaultTrue.SELENIUM_INSTALL_ADBLOCK- install adblock extension for block some requests, defaultTrue.SELENIUM_RUN_PYVIRTUAL_DISPLAY- run py virtual display for not run drivers in headless on server, defaultFalse.SELENIUM_HEADLESS- run headless or not.
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