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How to use residential proxy IP and Python proxy to achieve efficient collection
by sun
2024-03-15

With the rapid development of network technology, data collection has become an important means for market analysis and business decision-making in many industries. However, in the process of data collection, we often encounter the anti-crawler strategy of the target website, resulting in low collection efficiency or even failure to collect.


In order to solve this problem, the combination of residential proxy IP and Python proxy has become an effective solution. This article will discuss in detail how to use residential proxy IP and Python proxy to achieve efficient collection.


1. Basic principles and advantages of residential proxy IP


A residential proxy IP is an IP address that provides proxy access through a real residential network environment. Compared with traditional data center proxy IP, residential proxy IP has higher concealment and stability, and can better simulate the access behavior of real users, thereby effectively bypassing the anti-crawler strategy of the target website.


The advantages of residential proxy IP are mainly reflected in the following aspects:


High concealment: Residential proxy IP comes from a real residential network environment, which can simulate the access behavior of real users and reduce the risk of being identified by the target website.


High stability: The network environment of the residential proxy IP is relatively stable, which can ensure the continuity and stability of data collection.


Break through geographical restrictions: By selecting residential proxy IPs in different regions, you can break through geographical restrictions and achieve global collection of target websites.


2. Implementation of Python agent


As a powerful programming language, Python provides a wealth of network programming libraries and tools, making it relatively simple to implement proxy access. In Python, proxy access can be achieved in a variety of ways, the most common of which is using the requests library and the urllib library.


Use the requests library to implement proxy access


The requests library is a very popular HTTP client library in Python. It provides a simple and easy-to-use API to easily send HTTP requests. In the requests library, proxy access can be achieved by setting the proxies parameter. Specific steps are as follows:


First, install the requests library if it is not already installed:


pip install requests

Then, set the proxy parameters in code and send the request:


import requests

  

proxies = {

     'http': 'http://your_proxy_ip:port',

     'https': 'https://your_proxy_ip:port',

}

  

response = requests.get('http://target_website.com', proxies=proxies)

print(response.text)


In the above code, replace the proxy IP and port number with the actual residential proxy IP address and port number, and then pass them to the requests.get() method through the proxies parameter to access the target website through the proxy.


Use the urllib library to implement proxy access


The urllib library is a module in the Python standard library for handling URLs and opening URLs. Although its API is relatively cumbersome, proxy access can also be achieved. In the urllib library, you need to use the ProxyHandler class to set the proxy. Specific steps are as follows:


First, import the necessary modules:


import urllib.request

from urllib.error import URLError, HTTPError

Then, set up the proxy and send the request:


proxy_handler = urllib.request.ProxyHandler({'http': 'http://your_proxy_ip:port', 'https': 'https://your_proxy_ip:port'})

opener = urllib.request.build_opener(proxy_handler)

  

try:

     response = opener.open('http://target_website.com')

     print(response.read().decode('utf-8'))

except HTTPError as e:

     print(e.code)

except URLError as e:

print(e.reason)


In the above code, you also need to replace the proxy IP and port number with the actual residential proxy IP address and port number, and set it as the proxy handler through the ProxyHandler class. Then, use the build_opener() method to create a proxy-enabled opener object and send HTTP requests through the object.


3. Efficient collection strategies and precautions


On the basis of implementing the residential agent IP and Python agent, in order to achieve efficient collection, you need to pay attention to the following points:


Selection and management of proxy IP: Choosing a suitable residential proxy IP is the key to efficient collection. You can choose a residential proxy IP with high concealment, stability and speed according to the characteristics and collection requirements of the target website. 


At the same time, it is necessary to establish a proxy IP pool and regularly update and maintain the proxy IP to ensure the continuity and stability of collection.


Request frequency and concurrency control: When collecting data, you need to pay attention to the control of request frequency and concurrency. Excessively high request frequency and concurrency may cause the anti-crawler mechanism of the target website to be triggered, resulting in collection failure. 


Therefore, the request interval and concurrency need to be set appropriately based on the actual situation of the target website.


Data processing and storage: The collected data needs to be processed and stored. Data can be cleaned, deduplicated, and formatted as needed for subsequent analysis and use. At the same time, appropriate storage methods, such as databases, files, etc., need to be selected to ensure data security and accessibility.


Comply with laws, regulations and ethics: When collecting data, you need to comply with relevant laws, regulations and ethics, and respect the rights and privacy of the target website. Do not conduct malicious attacks, damage or steal other people's data.


4. Summary and Outlook


In summary, residential agent IP and Python agent have broad application prospects and huge development potential in the field of data collection. 


By continuously optimizing and improving relevant technologies and strategies, we can build a more efficient, intelligent and secure data collection system to provide more accurate and comprehensive data support for various industries.



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