Bind another IP address in requests

a.py

import requests
from requests.adapters import HTTPAdapter
from requests.packages.urllib3.poolmanager import PoolManager


class SourceAddressAdapter(HTTPAdapter):
    def __init__(self, source_address, **kwargs):
        self.source_address = source_address

        super(SourceAddressAdapter, self).__init__(**kwargs)

    def init_poolmanager(self, connections, maxsize, block=False):
        self.poolmanager = PoolManager(num_pools=connections,
                                       maxsize=maxsize,
                                       block=block,
                                       source_address=self.source_address)

ipaddr=[
A,
B,
]

s = requests.Session()

# using address A
s.mount('http://', SourceAddressAdapter((ipaddr[0],0)))
print(s.get("http://httpbin.org/ip").text)

# using adress B
s.mount('http://', SourceAddressAdapter((ipaddr[1],0)))
print(s.get("http://httpbin.org/ip").text)

originally posted at here