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
273
274
275
276
277
278
279
|
import asyncio
import logging
import socket
import sys
from argparse import ArgumentParser
from collections.abc import Iterable
from importlib import import_module
from typing import Any, Awaitable, Callable, List, Optional, Type, Union, cast
from . import (web_app, web_exceptions, web_fileresponse, web_middlewares,
web_protocol, web_request, web_response, web_routedef,
web_runner, web_server, web_urldispatcher, web_ws)
from .abc import AbstractAccessLogger
from .helpers import all_tasks
from .log import access_logger
from .web_app import * # noqa
from .web_app import Application
from .web_exceptions import * # noqa
from .web_fileresponse import * # noqa
from .web_log import AccessLogger
from .web_middlewares import * # noqa
from .web_protocol import * # noqa
from .web_request import * # noqa
from .web_response import * # noqa
from .web_routedef import * # noqa
from .web_runner import (AppRunner, BaseRunner, BaseSite, GracefulExit, # noqa
ServerRunner, SockSite, TCPSite, UnixSite)
from .web_server import * # noqa
from .web_urldispatcher import * # noqa
from .web_ws import * # noqa
__all__ = (web_protocol.__all__ +
web_app.__all__ +
web_fileresponse.__all__ +
web_request.__all__ +
web_response.__all__ +
web_routedef.__all__ +
web_exceptions.__all__ +
web_urldispatcher.__all__ +
web_ws.__all__ +
web_server.__all__ +
web_runner.__all__ +
web_middlewares.__all__ +
('run_app', 'BaseSite', 'TCPSite', 'UnixSite',
'SockSite', 'BaseRunner',
'AppRunner', 'ServerRunner', 'GracefulExit'))
try:
from ssl import SSLContext
except ImportError: # pragma: no cover
SSLContext = Any # type: ignore
async def _run_app(app: Union[Application, Awaitable[Application]], *,
host: Optional[str]=None,
port: Optional[int]=None,
path: Optional[str]=None,
sock: Optional[socket.socket]=None,
shutdown_timeout: float=60.0,
ssl_context: Optional[SSLContext]=None,
print: Callable[..., None]=print,
backlog: int=128,
access_log_class: Type[AbstractAccessLogger]=AccessLogger,
access_log_format: str=AccessLogger.LOG_FORMAT,
access_log: logging.Logger=access_logger,
handle_signals: bool=True,
reuse_address: Optional[bool]=None,
reuse_port: Optional[bool]=None) -> None:
# A internal functio to actually do all dirty job for application running
if asyncio.iscoroutine(app):
app = await app # type: ignore
app = cast(Application, app)
runner = AppRunner(app, handle_signals=handle_signals,
access_log_class=access_log_class,
access_log_format=access_log_format,
access_log=access_log)
await runner.setup()
sites = [] # type: List[BaseSite]
try:
if host is not None:
if isinstance(host, (str, bytes, bytearray, memoryview)):
sites.append(TCPSite(runner, host, port,
shutdown_timeout=shutdown_timeout,
ssl_context=ssl_context,
backlog=backlog,
reuse_address=reuse_address,
reuse_port=reuse_port))
else:
for h in host:
sites.append(TCPSite(runner, h, port,
shutdown_timeout=shutdown_timeout,
ssl_context=ssl_context,
backlog=backlog,
reuse_address=reuse_address,
reuse_port=reuse_port))
elif path is None and sock is None or port is not None:
sites.append(TCPSite(runner, port=port,
shutdown_timeout=shutdown_timeout,
ssl_context=ssl_context, backlog=backlog,
reuse_address=reuse_address,
reuse_port=reuse_port))
if path is not None:
if isinstance(path, (str, bytes, bytearray, memoryview)):
sites.append(UnixSite(runner, path,
shutdown_timeout=shutdown_timeout,
ssl_context=ssl_context,
backlog=backlog))
else:
for p in path:
sites.append(UnixSite(runner, p,
shutdown_timeout=shutdown_timeout,
ssl_context=ssl_context,
backlog=backlog))
if sock is not None:
if not isinstance(sock, Iterable):
sites.append(SockSite(runner, sock,
shutdown_timeout=shutdown_timeout,
ssl_context=ssl_context,
backlog=backlog))
else:
for s in sock:
sites.append(SockSite(runner, s,
shutdown_timeout=shutdown_timeout,
ssl_context=ssl_context,
backlog=backlog))
for site in sites:
await site.start()
if print: # pragma: no branch
names = sorted(str(s.name) for s in runner.sites)
print("======== Running on {} ========\n"
"(Press CTRL+C to quit)".format(', '.join(names)))
while True:
await asyncio.sleep(3600) # sleep forever by 1 hour intervals
finally:
await runner.cleanup()
def _cancel_all_tasks(loop: asyncio.AbstractEventLoop) -> None:
to_cancel = all_tasks(loop)
if not to_cancel:
return
for task in to_cancel:
task.cancel()
loop.run_until_complete(
asyncio.gather(*to_cancel, loop=loop, return_exceptions=True))
for task in to_cancel:
if task.cancelled():
continue
if task.exception() is not None:
loop.call_exception_handler({
'message': 'unhandled exception during asyncio.run() shutdown',
'exception': task.exception(),
'task': task,
})
def run_app(app: Union[Application, Awaitable[Application]], *,
host: Optional[str]=None,
port: Optional[int]=None,
path: Optional[str]=None,
sock: Optional[socket.socket]=None,
shutdown_timeout: float=60.0,
ssl_context: Optional[SSLContext]=None,
print: Callable[..., None]=print,
backlog: int=128,
access_log_class: Type[AbstractAccessLogger]=AccessLogger,
access_log_format: str=AccessLogger.LOG_FORMAT,
access_log: logging.Logger=access_logger,
handle_signals: bool=True,
reuse_address: Optional[bool]=None,
reuse_port: Optional[bool]=None) -> None:
"""Run an app locally"""
loop = asyncio.get_event_loop()
# Configure if and only if in debugging mode and using the default logger
if loop.get_debug() and access_log.name == 'aiohttp.access':
if access_log.level == logging.NOTSET:
access_log.setLevel(logging.DEBUG)
if not access_log.hasHandlers():
access_log.addHandler(logging.StreamHandler())
try:
loop.run_until_complete(_run_app(app,
host=host,
port=port,
path=path,
sock=sock,
shutdown_timeout=shutdown_timeout,
ssl_context=ssl_context,
print=print,
backlog=backlog,
access_log_class=access_log_class,
access_log_format=access_log_format,
access_log=access_log,
handle_signals=handle_signals,
reuse_address=reuse_address,
reuse_port=reuse_port))
except (GracefulExit, KeyboardInterrupt): # pragma: no cover
pass
finally:
_cancel_all_tasks(loop)
if sys.version_info >= (3, 6): # don't use PY_36 to pass mypy
loop.run_until_complete(loop.shutdown_asyncgens())
loop.close()
def main(argv: List[str]) -> None:
arg_parser = ArgumentParser(
description="aiohttp.web Application server",
prog="aiohttp.web"
)
arg_parser.add_argument(
"entry_func",
help=("Callable returning the `aiohttp.web.Application` instance to "
"run. Should be specified in the 'module:function' syntax."),
metavar="entry-func"
)
arg_parser.add_argument(
"-H", "--hostname",
help="TCP/IP hostname to serve on (default: %(default)r)",
default="localhost"
)
arg_parser.add_argument(
"-P", "--port",
help="TCP/IP port to serve on (default: %(default)r)",
type=int,
default="8080"
)
arg_parser.add_argument(
"-U", "--path",
help="Unix file system path to serve on. Specifying a path will cause "
"hostname and port arguments to be ignored.",
)
args, extra_argv = arg_parser.parse_known_args(argv)
# Import logic
mod_str, _, func_str = args.entry_func.partition(":")
if not func_str or not mod_str:
arg_parser.error(
"'entry-func' not in 'module:function' syntax"
)
if mod_str.startswith("."):
arg_parser.error("relative module names not supported")
try:
module = import_module(mod_str)
except ImportError as ex:
arg_parser.error("unable to import %s: %s" % (mod_str, ex))
try:
func = getattr(module, func_str)
except AttributeError:
arg_parser.error("module %r has no attribute %r" % (mod_str, func_str))
# Compatibility logic
if args.path is not None and not hasattr(socket, 'AF_UNIX'):
arg_parser.error("file system paths not supported by your operating"
" environment")
logging.basicConfig(level=logging.DEBUG)
app = func(extra_argv)
run_app(app, host=args.hostname, port=args.port, path=args.path)
arg_parser.exit(message="Stopped\n")
if __name__ == "__main__": # pragma: no branch
main(sys.argv[1:]) # pragma: no cover
|
