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A lightweight, asynchronous, programmable HTTP proxy for python. Built with Tornado.
import quickproxy
quickproxy.run_proxy(port=8080)
This proxy will fetch responses from an AWS s3 bucket with the same ID as the request's hostname.
def callback(request):
request.host = request.host+".s3-website-us-east-1.amazonaws.com"
request.port = 80
return request
quickproxy.run_proxy(port=8080, req_callback=callback)
Quickproxy exposes just one function:
run_proxy(port,
methods=['GET', 'POST'],
req_callback=DEFAULT_CALLBACK,
resp_callback=DEFAULT_CALLBACK,
err_callback=DEFAULT_CALLBACK,
start_ioloop=True)
It runs a proxy on the specified port. You can pass the following parameters to configure quickproxy:
methods: the HTTP methods this proxy will support
req_callback: a callback that is passed a RequestObj that it should modify and then return. By default this is the identity function.
resp_callback: a callback that is given a ResponseObj that it should modify and then return. By default this is the identity function.
err_callback: in the case of an error, this callback will be called. there's no difference between how this and the resp_callback are used. By default this is the identity function.
start_ioloop: if True (default), the tornado IOLoop will be started immediately.
The request callback should receive a RequestObj and return a RequestObj.
request_callback(requestobj)
return requestobj
The RequestObj is a python object with the following attributes that can be modified before it is returned:
protocol: either 'http' or 'https'
host: the destination hostname of the request
port: the port for the request
path: the path of the request ('/index.html' for example)
query: the query string ('?key=value&other=value')
fragment: the hash fragment ('#fragment')
method: request method ('GET', 'POST', etc)
username: always passed as None, but you can set it to override the user
password: None, but can be set to override the password
body: request body as a string
headers: a dictionary of header / value pairs (for example {'Content-Type': 'text/plain', 'Content-Length': 200})
follow_redirects: true to follow redirects before returning a response
The response and error callbacks should receive a ResponseObj and return a ResponseObj, similar to the request callback above.
The ResponseObj is a python object with the following attributes that can be modified before it is returned:
code: response code, such as 200 for 'OK'
headers: the response headers
pass_headers: a list or set of headers to pass along in the response. All other headers will be stripped out. By default this includes:
('Date', 'Cache-Control', 'Server', 'Content-Type', 'Location')
body: response body as a string
Much of this code was adopted from Senko's tornado-proxy:
https://github.com/senko/tornado-proxy
...which is itself based on the code by Bill Janssen posted to: http://groups.google.com/group/python-tornado/msg/7bea08e7a049cf26
FAQs
A lightweight, per-request customizable HTTP proxy for python.
We found that quickproxy demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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