/usr/lib/python3/dist-packages/aiohttp/web.py is in python3-aiohttp 0.20.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 | from . import web_reqrep
from . import web_exceptions
from . import web_urldispatcher
from . import web_ws
from .web_reqrep import * # noqa
from .web_exceptions import * # noqa
from .web_urldispatcher import * # noqa
from .web_ws import * # noqa
from .protocol import HttpVersion # noqa
from .signals import Signal, PreSignal, PostSignal
import asyncio
from . import hdrs
from .abc import AbstractRouter, AbstractMatchInfo
from .log import web_logger
from .server import ServerHttpProtocol
__all__ = (web_reqrep.__all__ +
web_exceptions.__all__ +
web_urldispatcher.__all__ +
web_ws.__all__ +
('Application', 'RequestHandler',
'RequestHandlerFactory', 'HttpVersion'))
class RequestHandler(ServerHttpProtocol):
_meth = 'none'
_path = 'none'
def __init__(self, manager, app, router, *,
secure_proxy_ssl_header=None, **kwargs):
super().__init__(**kwargs)
self._manager = manager
self._app = app
self._router = router
self._middlewares = app.middlewares
self._secure_proxy_ssl_header = secure_proxy_ssl_header
def __repr__(self):
return "<{} {}:{} {}>".format(
self.__class__.__name__, self._meth, self._path,
'connected' if self.transport is not None else 'disconnected')
def connection_made(self, transport):
super().connection_made(transport)
self._manager.connection_made(self, transport)
def connection_lost(self, exc):
self._manager.connection_lost(self, exc)
super().connection_lost(exc)
@asyncio.coroutine
def handle_request(self, message, payload):
if self.access_log:
now = self._loop.time()
app = self._app
request = Request(
app, message, payload,
self.transport, self.reader, self.writer,
secure_proxy_ssl_header=self._secure_proxy_ssl_header)
self._meth = request.method
self._path = request.path
try:
match_info = yield from self._router.resolve(request)
assert isinstance(match_info, AbstractMatchInfo), match_info
resp = None
request._match_info = match_info
expect = request.headers.get(hdrs.EXPECT)
if expect and expect.lower() == "100-continue":
resp = (
yield from match_info.route.handle_expect_header(request))
if resp is None:
handler = match_info.handler
for factory in reversed(self._middlewares):
handler = yield from factory(app, handler)
resp = yield from handler(request)
assert isinstance(resp, StreamResponse), \
("Handler {!r} should return response instance, "
"got {!r} [middlewares {!r}]").format(
match_info.handler, type(resp), self._middlewares)
except HTTPException as exc:
resp = exc
resp_msg = yield from resp.prepare(request)
yield from resp.write_eof()
# notify server about keep-alive
self.keep_alive(resp_msg.keep_alive())
# log access
if self.access_log:
self.log_access(message, None, resp_msg, self._loop.time() - now)
# for repr
self._meth = 'none'
self._path = 'none'
class RequestHandlerFactory:
def __init__(self, app, router, *,
handler=RequestHandler, loop=None,
secure_proxy_ssl_header=None, **kwargs):
self._app = app
self._router = router
self._handler = handler
self._loop = loop
self._connections = {}
self._secure_proxy_ssl_header = secure_proxy_ssl_header
self._kwargs = kwargs
self._kwargs.setdefault('logger', app.logger)
self.num_connections = 0
@property
def secure_proxy_ssl_header(self):
return self._secure_proxy_ssl_header
@property
def connections(self):
return list(self._connections.keys())
def connection_made(self, handler, transport):
self._connections[handler] = transport
def connection_lost(self, handler, exc=None):
if handler in self._connections:
del self._connections[handler]
@asyncio.coroutine
def finish_connections(self, timeout=None):
# try to close connections in 90% of graceful timeout
timeout90 = None
if timeout:
timeout90 = timeout / 100 * 90
for handler in self._connections.keys():
handler.closing(timeout=timeout90)
@asyncio.coroutine
def cleanup():
sleep = 0.05
while self._connections:
yield from asyncio.sleep(sleep, loop=self._loop)
if sleep < 5:
sleep = sleep * 2
if timeout:
try:
yield from asyncio.wait_for(
cleanup(), timeout, loop=self._loop)
except asyncio.TimeoutError:
self._app.logger.warning(
"Not all connections are closed (pending: %d)",
len(self._connections))
for transport in self._connections.values():
transport.close()
self._connections.clear()
def __call__(self):
self.num_connections += 1
try:
return self._handler(
self, self._app, self._router, loop=self._loop,
secure_proxy_ssl_header=self._secure_proxy_ssl_header,
**self._kwargs)
except:
web_logger.exception(
'Can not create request handler: {!r}'.format(self._handler))
class Application(dict):
def __init__(self, *, logger=web_logger, loop=None,
router=None, handler_factory=RequestHandlerFactory,
middlewares=(), debug=False):
if loop is None:
loop = asyncio.get_event_loop()
if router is None:
router = UrlDispatcher()
assert isinstance(router, AbstractRouter), router
self._debug = debug
self._router = router
self._handler_factory = handler_factory
self._finish_callbacks = []
self._loop = loop
self.logger = logger
for factory in middlewares:
assert asyncio.iscoroutinefunction(factory), factory
self._middlewares = list(middlewares)
self._on_pre_signal = PreSignal()
self._on_post_signal = PostSignal()
self._on_response_prepare = Signal(self)
@property
def debug(self):
return self._debug
@property
def on_response_prepare(self):
return self._on_response_prepare
@property
def on_pre_signal(self):
return self._on_pre_signal
@property
def on_post_signal(self):
return self._on_post_signal
@property
def router(self):
return self._router
@property
def loop(self):
return self._loop
@property
def middlewares(self):
return self._middlewares
def make_handler(self, **kwargs):
return self._handler_factory(
self, self.router, loop=self.loop, **kwargs)
@asyncio.coroutine
def finish(self):
callbacks = self._finish_callbacks
self._finish_callbacks = []
for (cb, args, kwargs) in callbacks:
try:
res = cb(self, *args, **kwargs)
if (asyncio.iscoroutine(res) or
isinstance(res, asyncio.Future)):
yield from res
except Exception as exc:
self._loop.call_exception_handler({
'message': "Error in finish callback",
'exception': exc,
'application': self,
})
def register_on_finish(self, func, *args, **kwargs):
self._finish_callbacks.insert(0, (func, args, kwargs))
def copy(self):
raise NotImplementedError
def __call__(self):
"""gunicorn compatibility"""
return self
def __repr__(self):
return "<Application>"
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