python 3.x - Requests: Check that the proxy has been used to make the HTTP Request -


i've been scratching head whole day yesterday , surprise, can't seem find easy way check this.

i using python's requests library pass proxy such as:

def make_request(url):     requests.session() s:         s.mount("http://", httpadapter(max_retries=3))         s.mount("https://", httpadapter(max_retries=3))         page = none         d.rotate(-1) #d contains dict of proxies. allows rotate through proxies everytime make_request called.          s.proxies = d[0]         page = s.get(url, timeout=3)          print('proxy used: ' + str(d[0]))     return page.content

problem is, can't seem make request fail when proxy not expected work. seems there fallback on internet ip if proxy not working. example: tried passing random proxy ip 101.101.101.101:8800 or removing ip authentication needed on proxies, request still passed, though should'nt.

i thought adding timeout parameters when passing request trick, didn't.

so 1/ why happen? 2/ how can check ip request being made?

thank you!


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