- 1 year ago
How to use system proxy settings in Windows with Python
To use the system proxy settings in Windows with Python, you can utilize the urllib
library, which is part of the Python standard library. Here's an example of how you can configure Python to use the system proxy settings:
pythonimport urllib.request
# Retrieve system proxy settings
proxy_settings = urllib.request.getproxies()
# Configure proxy for urllib requests
proxy_handler = urllib.request.ProxyHandler(proxy_settings)
opener = urllib.request.build_opener(proxy_handler)
urllib.request.install_opener(opener)
# Now you can make HTTP requests using urllib, which will use the system proxy
response = urllib.request.urlopen('http://www.example.com')
print(response.read().decode())
In this example:
The
urllib.request.getproxies()
function retrieves the system proxy settings from the environment variables (HTTP_PROXY
,HTTPS_PROXY
, etc.). The returned value is a dictionary containing the proxy settings.The
urllib.request.ProxyHandler
class is used to create a proxy handler object based on the retrieved settings.The
urllib.request.build_opener
function is used to create an opener object that incorporates the proxy handler.The
urllib.request.install_opener
function sets the opener as the default opener for all subsequent urllib requests.Finally, you can use
urllib.request.urlopen
to make HTTP requests, and the system proxy will be automatically used.
Note that the system proxy settings are typically configured at the operating system level and may vary based on the user's network configuration. By utilizing the urllib
library with the getproxies
function, you can easily leverage these system settings in your Python code.