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ExtProxy

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ExtProxy

ExtProxy extend urllib2's ProxyHandler to support extra proxy types: HTTPS, SOCKS.

    1.0.3

Maintainers
1

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ExtProxy

license release status code size

ExtProxy extend urllib2's ProxyHandler to support extra proxy types: HTTPS, SOCKS. It provides a consistent user experience like HTTP proxy for the users.

This script is using a non-side-effects monkey patch, it did not applied to build-in module socket, just inject some codes into Request, ProxyHandler, HTTPConnection, SSLContext method's processing. Don't need to worry about the patching, you can using everything like before, or you can unpatch it at any time.

Installation

Install from version package format monthly downloads

pip install ExtProxy

Or download and Install from source code

python setup.py install

Compatibility

  • Python >= 2.7
  • Require PySocks to support SOCKS proxy type

Usage

# Target can be imported before monkey patching
from urllib.request import urlopen, build_opener, ProxyHandler


# Import extproxy, auto apply monkey patching by `extproxy.patch_items`
import extproxy


# Use origin HTTP proxy
proxy = "http://127.0.0.1:8080"


# Use HTTPS proxy, use `set_https_proxy` to custom proxy's SSL verify mode
import ssl
proxy = "https://127.0.0.1:8443"

cafile = "cafile path"
set_https_proxy(proxy, check_hostname=False, cafile=cafile)

context_settings = {
    "protocol": ssl.PROTOCOL_TLSv1_2,
    "cert_reqs": ssl.CERT_REQUIRED,  #
    "check_hostname": True,          #
    "cafile": "cafile path",         #
    "capath": "cafiles dir path",    #
    "cadata": b"ca data"             # Uesd to server auth
    "certfile": "certfile path",  #
    "keyfile": "keyfile path",    # Uesd to client auth
}
context = ssl._create_unverified_context(**context_settings)
 ...  # More custom settings
set_https_proxy(proxy, context=context)


# Use SOCKS proxy, `socks` can be: socks, socks4, socks4a, socks5, socks5h
# SOCKS4 does not support remote resolving, but SOCKS4a/5 supported
# 'socks' means SOCKS5, 'socks5h' means do not use remote resolving
proxy = "socks://127.0.0.1:1080"


# Set proxy via system/python environment variables
import os
os.environ["HTTP_PROXY"] = proxy
os.environ["HTTPS_PROXY"] = proxy
print(urlopen("https://httpbin.org/ip").read().decode())


# Set proxy via ProxyHandler
opener = build_opener(ProxyHandler({
    "http": proxy,
    "https": proxy
}))
print(opener.open("https://httpbin.org/ip").read().decode())


# Restore monkey patch, then HTTPS, SOCKS proxy use can not continue working
extproxy.restore_items()

License

ExtProxy is released under the MIT License.

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