# Embedded file name: lib\web\httpserver.py from __future__ import print_function import sys, os import urllib import posixpath from . import webapi as web from . import net from . import utils from .py3helpers import PY2 if PY2: from SimpleHTTPServer import SimpleHTTPRequestHandler from BaseHTTPServer import HTTPServer, BaseHTTPRequestHandler else: from http.server import HTTPServer, SimpleHTTPRequestHandler, BaseHTTPRequestHandler try: from urllib import parse as urlparse from urllib.parse import unquote except ImportError: import urlparse from urllib import unquote try: from io import BytesIO except ImportError: from StringIO import BytesIO __all__ = ['runsimple'] def runbasic(func, server_address = ('0.0.0.0', 8080)): """ Runs a simple HTTP server hosting WSGI app `func`. The directory `static/` is hosted statically. Based on [WsgiServer][ws] from [Colin Stewart][cs]. [ws]: http://www.owlfish.com/software/wsgiutils/documentation/wsgi-server-api.html [cs]: http://www.owlfish.com/ """ import SocketServer import socket, errno import traceback class WSGIHandler(SimpleHTTPServer.SimpleHTTPRequestHandler): def run_wsgi_app(self): protocol, host, path, parameters, query, fragment = urlparse.urlparse('http://dummyhost%s' % self.path) env = {'wsgi.version': (1, 0), 'wsgi.url_scheme': 'http', 'wsgi.input': self.rfile, 'wsgi.errors': sys.stderr, 'wsgi.multithread': 1, 'wsgi.multiprocess': 0, 'wsgi.run_once': 0, 'REQUEST_METHOD': self.command, 'REQUEST_URI': self.path, 'PATH_INFO': path, 'QUERY_STRING': query, 'CONTENT_TYPE': self.headers.get('Content-Type', ''), 'CONTENT_LENGTH': self.headers.get('Content-Length', ''), 'REMOTE_ADDR': self.client_address[0], 'SERVER_NAME': self.server.server_address[0], 'SERVER_PORT': str(self.server.server_address[1]), 'SERVER_PROTOCOL': self.request_version} for http_header, http_value in self.headers.items(): env['HTTP_%s' % http_header.replace('-', '_').upper()] = http_value self.wsgi_sent_headers = 0 self.wsgi_headers = [] try: result = self.server.app(env, self.wsgi_start_response) try: try: for data in result: if data: self.wsgi_write_data(data) finally: if hasattr(result, 'close'): result.close() except socket.error as socket_err: if socket_err.args[0] in (errno.ECONNABORTED, errno.EPIPE): return except socket.timeout as socket_timeout: return except: print(traceback.format_exc(), file=web.debug) if not self.wsgi_sent_headers: self.wsgi_write_data(' ') do_POST = run_wsgi_app do_PUT = run_wsgi_app do_DELETE = run_wsgi_app def do_GET(self): if self.path.startswith('/static/'): SimpleHTTPServer.SimpleHTTPRequestHandler.do_GET(self) else: self.run_wsgi_app() def wsgi_start_response(self, response_status, response_headers, exc_info = None): if self.wsgi_sent_headers: raise Exception('Headers already sent and start_response called again!') self.wsgi_headers = (response_status, response_headers) return self.wsgi_write_data def wsgi_write_data(self, data): if not self.wsgi_sent_headers: status, headers = self.wsgi_headers status_code = status[:status.find(' ')] status_msg = status[status.find(' ') + 1:] self.send_response(int(status_code), status_msg) for header, value in headers: self.send_header(header, value) self.end_headers() self.wsgi_sent_headers = 1 self.wfile.write(data) class WSGIServer(SocketServer.ThreadingMixIn, HTTPServer): def __init__(self, func, server_address): HTTPServer.HTTPServer.__init__(self, server_address, WSGIHandler) self.app = func self.serverShuttingDown = 0 WSGIServer(func, server_address).serve_forever() server = None def runsimple(func, server_address = ('0.0.0.0', 8080)): """ Runs [CherryPy][cp] WSGI server hosting WSGI app `func`. The directory `static/` is hosted statically. [cp]: http://www.cherrypy.org """ global server func = StaticMiddleware(func) func = LogMiddleware(func) server = WSGIServer(server_address, func) if server.ssl_adapter: pass try: server.start() except (KeyboardInterrupt, SystemExit): server.stop() server = None return def WSGIServer(server_address, wsgi_app): """Creates CherryPy WSGI server listening at `server_address` to serve `wsgi_app`. This function can be overwritten to customize the webserver or use a different webserver. """ from cheroot import wsgi server = wsgi.Server(server_address, wsgi_app, server_name='localhost') server.nodelay = not sys.platform.startswith('java') return server class StaticApp(SimpleHTTPRequestHandler): """WSGI application for serving static files.""" def __init__(self, environ, start_response): self.headers = [] self.environ = environ self.start_response = start_response def send_response(self, status, msg = ''): self.status = str(int(status)) + ' ' + msg def send_header(self, name, value): self.headers.append((name, value)) def end_headers(self): pass def log_message(*a): pass def __iter__(self): environ = self.environ self.path = environ.get('PATH_INFO', '') self.client_address = (environ.get('REMOTE_ADDR', '-'), environ.get('REMOTE_PORT', '-')) self.command = environ.get('REQUEST_METHOD', '-') self.wfile = BytesIO() try: path = self.translate_path(self.path) etag = '"%s"' % os.path.getmtime(path) client_etag = environ.get('HTTP_IF_NONE_MATCH') self.send_header('ETag', etag) if etag == client_etag: self.send_response(304, 'Not Modified') self.start_response(self.status, self.headers) raise StopIteration() except OSError: pass f = self.send_head() self.start_response(self.status, self.headers) if f: block_size = 16384 while True: buf = f.read(block_size) if not buf: break yield buf f.close() else: value = self.wfile.getvalue() yield value class StaticMiddleware: """WSGI middleware for serving static files.""" def __init__(self, app, prefix = '/static/'): self.app = app self.prefix = prefix def __call__(self, environ, start_response): path = environ.get('PATH_INFO', '') path = self.normpath(path) if path.startswith(self.prefix): return StaticApp(environ, start_response) else: return self.app(environ, start_response) def normpath(self, path): path2 = posixpath.normpath(unquote(path)) if path.endswith('/'): path2 += '/' return path2 class LogMiddleware: """WSGI middleware for logging the status.""" def __init__(self, app): self.app = app self.format = '%s - - [%s] "%s %s %s" - %s' f = BytesIO() class FakeSocket: def makefile(self, *a): return f self.log_date_time_string = BaseHTTPRequestHandler(FakeSocket(), None, None).log_date_time_string return def __call__(self, environ, start_response): def xstart_response(status, response_headers, *args): out = start_response(status, response_headers, *args) self.log(status, environ) return out return self.app(environ, xstart_response) def log(self, status, environ): outfile = environ.get('wsgi.errors', web.debug) req = environ.get('PATH_INFO', '_') protocol = environ.get('ACTUAL_SERVER_PROTOCOL', '-') method = environ.get('REQUEST_METHOD', '-') host = '%s:%s' % (environ.get('REMOTE_ADDR', '-'), environ.get('REMOTE_PORT', '-')) time = self.log_date_time_string() msg = self.format % (host, time, protocol, method, req, status)