Get HTTP Header ...

[JohnnyCoffee]

How do I capture HTTP request headers and access their values, which native module do I use and how do I do it ?

[DeaD_EyE]

The example is based only on the standard library of Python.

from urllib.request import Request, urlopen from urllib.error import HTTPError, URLError # You can catch HTTPError and URLError def get_header(url): header = {"User-Agent": "Mozilla/5.0 (Windows NT 10.0; WOW64; rv:77.0) Gecko/20100101 Firefox/77.0"} request = Request(url, headers=header, method="HEAD") response = urlopen(request) if response.status == 200: return dict(response.headers) get_header("https://python-forum.io/Thread-Get-HTTP-Header")

PS: User-Agent is often needed in Headers, because many web applications are checking if it's a real browser and not a bot.
The 3rd party requests module send some User-Agent string, which works in the most cases.

[JohnnyCoffee]

Thanks for the demonstration, I managed to do it as follows:

 # Function -> Main function that receives request web : def application(self, environ, start_response): # Function -> Get the type of content : v_cot = environ['CONTENT_TYPE']

Thanks.