Is there a way to measure the response time for a request made with Requests?

Yes, you can measure the response time for a request made with the requests library in Python. The requests library has a built-in way to track how long a request took to complete using the Response.elapsed property, which is a datetime.timedelta object representing the amount of time elapsed from sending the request to the arrival of the response.

Here's an example of how to measure the response time for a GET request:

import requests
import time

# Send the GET request
response = requests.get('https://www.example.com')

# Measure the elapsed time
elapsed_time = response.elapsed
print(f"Elapsed time: {elapsed_time}")

# If you want to measure in seconds
elapsed_seconds = elapsed_time.total_seconds()
print(f"Elapsed time in seconds: {elapsed_seconds}")

If you want to measure the time manually, you can use the time module to record the time before and after the request, like this:

import requests
import time

# Record the start time
start_time = time.time()

# Send the GET request
response = requests.get('https://www.example.com')

# Record the end time
end_time = time.time()

# Calculate the elapsed time
elapsed_time = end_time - start_time
print(f"Elapsed time: {elapsed_time} seconds")

It's important to note that response.elapsed measures the time taken for the server to handle the request and send back the response. It does not include the time taken to download the response content. If you need to measure the full time including the content download, you should use the manual time measurement with the time module.

For a more comprehensive measurement, including DNS resolution, connection time, and other factors, you might want to use a tool like curl with the -w flag to specify a custom output format that includes timing information. For example:

curl -o /dev/null -s -w "DNS resolution time: %{time_namelookup}\nConnect time: %{time_connect}\nApp connect time: %{time_appconnect}\nPre-transfer time: %{time_pretransfer}\nStart transfer time: %{time_starttransfer}\nTotal time: %{time_total}\n" https://www.example.com

This curl command would print detailed timing information for the different phases of the request-response cycle.