#!/usr/bin/env python

"""This does HTTP GET requests given a host:port and path and returns

a subset of the headers plus the body of the result."""

import httplib, sys

try:

    import msvcrt, os

    msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)

    msvcrt.setmode(sys.stderr.fileno(), os.O_BINARY)

except ImportError:

    pass

twice = False

if '--twice' in sys.argv:

    sys.argv.remove('--twice')

    twice = True

reasons = {'Not modified': 'Not Modified'} # python 2.4

tag = None

def request(host, path, show):

    assert not path.startswith('/'), path

    global tag

    headers = {}

    if tag:

        headers['If-None-Match'] = tag

    conn = httplib.HTTPConnection(host)

    conn.request("GET", '/' + path, None, headers)

    response = conn.getresponse()

    print response.status, reasons.get(response.reason, response.reason)

    for h in [h.lower() for h in show]:

        if response.getheader(h, None) is not None:

            print "%s: %s" % (h, response.getheader(h))

    print

    data = response.read()

    sys.stdout.write(data)

    if twice and response.getheader('ETag', None):

        tag = response.getheader('ETag')

    return response.status

status = request(sys.argv[1], sys.argv[2], sys.argv[3:])

if twice:

    status = request(sys.argv[1], sys.argv[2], sys.argv[3:])

if 200 <= status <= 305:

    sys.exit(0)

sys.exit(1)