1. Introduction
DrissionPage is a powerful Python library that integrates the capabilities of Selenium and Requests, allowing developers to seamlessly switch between browser automation and data crawling. The design philosophy of this library is to improve developers' work efficiency in web automation tasks while reducing coding complexity.
2. Basic use of DrissionPage
1. Installation and startup
First, we need to install the DrissionPage library. It can be installed via pip:
pip install DrissionPage
After the installation is complete, we can create aDrissionPage
Instance to start web page operation. Here is a simple example showing how to initializeDrissionPage
Instance and start the browser:
from drission import Drission from import Page # Initialize the browser and use Selenium modedrission = Drission(browser='chrome') # Create a page instancepage = Page(drission) # Open a web page('')
2. Element positioning and operation
DrissionPage
Provides a very convenient API to locate and manipulate page elements. It can be positioned through element id, class, label name, xpath, etc. For example, find an input box and fill in the content:
# Find elements and enter textinput_element = ('#username') input_element.send_keys('my_username')
For example, click a button:
# Click the buttonbutton = ('.submit-button') ()
3. Advanced functions
1. Screenshot function
Screenshots are commonly used functions in automated testing.DrissionPage
Provides a method of screenshotting, allowing you to easily obtain screenshots of web pages.
# Take screenshots of web pages('')
2. Data extraction
DrissionPage
It also supports extracting data from pages, such as getting text content of page elements, or getting attributes.
# Get the text content of the elementelement_text = ('.headline').text print(element_text) # Get the href attribute of the linklink = ('.link') href = link.get_attribute('href') print(href)
3. Integration with other libraries
DrissionPage
Can be associated with other libraries (e.g.BeautifulSoup
、pandas
etc.) Used in conjunction to perform more complex web data extraction and processing. For example, useBeautifulSoup
The HTML structure of the parsing page:
from bs4 import BeautifulSoup # Get the page source codehtml_content = # Use BeautifulSoup to parsesoup = BeautifulSoup(html_content, '') title = print(title)
4. Specific usage examples
Suppose we need to crawl product information from an e-commerce website and need to log in to access this information. Here is a sample code for completing this task using DrissionPage:
from drission_page import DrissionPage # Initialize the DrissionPagedrission = DrissionPage() # Log in to the website('/login') username = ('id', 'username') password = ('id', 'password') username.send_keys('your_username') password.send_keys('your_password') ('css selector', '.login-button').click() # Wait for the page to jumpdrission.wait_for_page_loaded() # Visit the product page('/products') # Extract product informationproducts = ('css selector', '.product-list').ele_list('css selector', '.product-item') for product in products: name = ('css selector', '.product-name').text price = ('css selector', '.product-price').text print(f'Product Name: {name}, Price: {price}') # Close the browser()
This example shows how to log in to a website using DrissionPage, wait for the page to load, access specific pages, and extract product information. With this library, we can easily accomplish these tasks without having to dig deep into the complexity of Selenium or Requests.
5. Summary
DrissionPage is an innovative Python library that cleverly incorporates the functions of driver and session to provide powerful support for web automation. Especially when dealing with website crawler tasks that require login, DrissionPage simplifies the original complex process without in-depth analysis of network data packets or JavaScript code. Developers can implement an automated login process through concise code. This not only improves development efficiency, but also reduces the possibility of errors.
This is the end of this article about the sample code of DrissionPage in Python. For more related Python DrissionPage content, please search for my previous articles or continue browsing the related articles below. I hope everyone will support me in the future!