ajax.cgi
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#!/usr/bin/env python
# -*- Mode: Python; tab-width: 4; indent-tabs-mode: nil; -*-
# vim:set ft=python ts=4 sw=4 sts=4 autoindent:
'''
Entry for CGI calls to brat. A simple wrapper around the CGI handling that then
delegates the work to the CGI-agnostic brat server.
Author: Pontus Stenetorp <pontus is s u-tokyo ac jp>
Version: 2011-02-07
'''
# Standard library imports
from cgi import FieldStorage
from os import environ
from os.path import dirname
from os.path import join as path_join
from sys import path as sys_path, stdout
# Local imports
sys_path.append(path_join(dirname(__file__), 'server/src'))
from server import serve
def main(args):
# Get data required for server call
try:
remote_addr = environ['REMOTE_ADDR']
except KeyError:
remote_addr = None
try:
remote_host = environ['REMOTE_HOST']
except KeyError:
remote_host = None
try:
cookie_data = environ['HTTP_COOKIE']
except KeyError:
cookie_data = None
params = FieldStorage()
# Call main server
cookie_hdrs, response_data = serve(params, remote_addr, remote_host,
cookie_data)
# Package and send response
if cookie_hdrs is not None:
response_hdrs = [hdr for hdr in cookie_hdrs]
else:
response_hdrs = []
response_hdrs.extend(response_data[0])
stdout.write('\n'.join('%s: %s' % (k, v) for k, v in response_hdrs))
stdout.write('\n')
stdout.write('\n')
# Hack to support binary data and general Unicode for SVGs and JSON
if isinstance(response_data[1], unicode):
stdout.write(response_data[1].encode('utf-8'))
else:
stdout.write(response_data[1])
return 0
def profile_main(argv):
# runs main() with profiling, storing in a rotating set of files
# in work. To see a profile, run e.g.
# python -c 'import pstats; pstats.Stats("work/serverprofile0").strip_dirs().sort_stats("time").print_stats()' | less
import cProfile
import os.path
for i in range(0,10):
pfn = 'work/serverprofile'+str(i)
if not os.path.exists(pfn):
break
if os.path.exists(pfn):
# rotate back; TODO: clear next in rotation
pfn = 'work/serverprofile0'
cProfile.run('main(argv)', pfn)
if __name__ == '__main__':
from sys import argv, exit
exit(main(argv))
# To turn on server profiles, comment out the line above and use the one below.
#exit(profile_main(argv))