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#!/usr/bin/env python3
# Copyright (c) 2021 Egor Tensin <Egor.Tensin@gmail.com>
# This file is part of the "linux-status" project.
# For details, see https://github.com/egor-tensin/linux-status.
# Distributed under the MIT License.
# This script launches a HTTP server and uses app.py for processing a set of
# custom URLs. See that file for the reasons behind this.
import argparse
import http.server
import os
import sys
import traceback
from app import Request, Response
DEFAULT_PORT = 18101
def script_dir():
return os.path.dirname(os.path.realpath(__file__))
def default_html_dir():
return os.path.join(script_dir(), 'html')
class RequestHandler(http.server.SimpleHTTPRequestHandler):
def do_GET(self):
try:
request = Request.from_http_path(self.path)
except ValueError:
return super().do_GET()
try:
response = request.process()
response.write_to_request_handler(self)
except:
status = http.server.HTTPStatus.INTERNAL_SERVER_ERROR
response = Response(traceback.format_exc(), status)
response.write_to_request_handler(self)
return
def make_server(port):
addr = ('', port)
server = http.server.HTTPServer
if sys.version_info >= (3, 7):
server = http.server.ThreadingHTTPServer
return server(addr, RequestHandler)
def parse_args(args=None):
if args is None:
args = sys.argv[1:]
parser = argparse.ArgumentParser()
parser.add_argument('-p', '--port', metavar='PORT',
type=int, default=DEFAULT_PORT,
help='set port number')
parser.add_argument('-d', '--dir', metavar='DIR',
default=default_html_dir(),
help='HTML directory path')
return parser.parse_args(args)
def main(args=None):
args = parse_args(args)
# It's a failsafe; the script is not allowed to serve a random current
# working directory.
os.chdir(args.dir)
httpd = make_server(args.port)
try:
httpd.serve_forever()
except KeyboardInterrupt:
print('\nKeyboard interrupt received, exiting...')
if __name__ == '__main__':
main()
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