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"""Simplest possible HTTP client."""

from __future__ import print_function
import sys

from trollius import *


@coroutine
def fetch():
    r, w = yield From(open_connection('python.org', 80))
    request = 'GET / HTTP/1.0\r\n\r\n'
    print('>', request, file=sys.stderr)
    w.write(request.encode('latin-1'))
    while True:
        line = yield From(r.readline())
        line = line.decode('latin-1').rstrip()
        if not line:
            break
        print('<', line, file=sys.stderr)
    print(file=sys.stderr)
    body = yield From(r.read())
    raise Return(body)


def main():
    loop = get_event_loop()
    try:
        body = loop.run_until_complete(fetch())
    finally:
        loop.close()
    print(body.decode('latin-1'), end='')


if __name__ == '__main__':
    main()