From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- third_party/python/aiohttp/examples/__init__.py | 0 .../python/aiohttp/examples/background_tasks.py | 66 ++++++++++++ third_party/python/aiohttp/examples/cli_app.py | 51 +++++++++ third_party/python/aiohttp/examples/client_auth.py | 23 ++++ third_party/python/aiohttp/examples/client_json.py | 22 ++++ third_party/python/aiohttp/examples/client_ws.py | 74 +++++++++++++ third_party/python/aiohttp/examples/curl.py | 35 ++++++ third_party/python/aiohttp/examples/fake_server.py | 119 +++++++++++++++++++++ .../python/aiohttp/examples/lowlevel_srv.py | 26 +++++ third_party/python/aiohttp/examples/server.crt | 19 ++++ third_party/python/aiohttp/examples/server.csr | 16 +++ third_party/python/aiohttp/examples/server.key | 27 +++++ .../python/aiohttp/examples/server_simple.py | 31 ++++++ .../python/aiohttp/examples/static_files.py | 9 ++ .../python/aiohttp/examples/web_classview.py | 62 +++++++++++ third_party/python/aiohttp/examples/web_cookies.py | 45 ++++++++ .../examples/web_rewrite_headers_middleware.py | 29 +++++ third_party/python/aiohttp/examples/web_srv.py | 58 ++++++++++ .../python/aiohttp/examples/web_srv_route_deco.py | 60 +++++++++++ .../python/aiohttp/examples/web_srv_route_table.py | 62 +++++++++++ third_party/python/aiohttp/examples/web_ws.py | 57 ++++++++++ third_party/python/aiohttp/examples/websocket.html | 89 +++++++++++++++ 22 files changed, 980 insertions(+) create mode 100644 third_party/python/aiohttp/examples/__init__.py create mode 100755 third_party/python/aiohttp/examples/background_tasks.py create mode 100755 third_party/python/aiohttp/examples/cli_app.py create mode 100755 third_party/python/aiohttp/examples/client_auth.py create mode 100755 third_party/python/aiohttp/examples/client_json.py create mode 100755 third_party/python/aiohttp/examples/client_ws.py create mode 100755 third_party/python/aiohttp/examples/curl.py create mode 100755 third_party/python/aiohttp/examples/fake_server.py create mode 100644 third_party/python/aiohttp/examples/lowlevel_srv.py create mode 100644 third_party/python/aiohttp/examples/server.crt create mode 100644 third_party/python/aiohttp/examples/server.csr create mode 100644 third_party/python/aiohttp/examples/server.key create mode 100644 third_party/python/aiohttp/examples/server_simple.py create mode 100755 third_party/python/aiohttp/examples/static_files.py create mode 100755 third_party/python/aiohttp/examples/web_classview.py create mode 100755 third_party/python/aiohttp/examples/web_cookies.py create mode 100755 third_party/python/aiohttp/examples/web_rewrite_headers_middleware.py create mode 100755 third_party/python/aiohttp/examples/web_srv.py create mode 100644 third_party/python/aiohttp/examples/web_srv_route_deco.py create mode 100644 third_party/python/aiohttp/examples/web_srv_route_table.py create mode 100755 third_party/python/aiohttp/examples/web_ws.py create mode 100644 third_party/python/aiohttp/examples/websocket.html (limited to 'third_party/python/aiohttp/examples') diff --git a/third_party/python/aiohttp/examples/__init__.py b/third_party/python/aiohttp/examples/__init__.py new file mode 100644 index 0000000000..e69de29bb2 diff --git a/third_party/python/aiohttp/examples/background_tasks.py b/third_party/python/aiohttp/examples/background_tasks.py new file mode 100755 index 0000000000..8c2bb9ee69 --- /dev/null +++ b/third_party/python/aiohttp/examples/background_tasks.py @@ -0,0 +1,66 @@ +#!/usr/bin/env python3 +"""Example of aiohttp.web.Application.on_startup signal handler""" +import asyncio + +import aioredis + +from aiohttp import web + + +async def websocket_handler(request): + ws = web.WebSocketResponse() + await ws.prepare(request) + request.app["websockets"].append(ws) + try: + async for msg in ws: + print(msg) + await asyncio.sleep(1) + finally: + request.app["websockets"].remove(ws) + return ws + + +async def on_shutdown(app): + for ws in app["websockets"]: + await ws.close(code=999, message="Server shutdown") + + +async def listen_to_redis(app): + try: + sub = await aioredis.create_redis(("localhost", 6379), loop=app.loop) + ch, *_ = await sub.subscribe("news") + async for msg in ch.iter(encoding="utf-8"): + # Forward message to all connected websockets: + for ws in app["websockets"]: + await ws.send_str(f"{ch.name}: {msg}") + print(f"message in {ch.name}: {msg}") + except asyncio.CancelledError: + pass + finally: + print("Cancel Redis listener: close connection...") + await sub.unsubscribe(ch.name) + await sub.quit() + print("Redis connection closed.") + + +async def start_background_tasks(app: web.Application) -> None: + app["redis_listener"] = asyncio.create_task(listen_to_redis(app)) + + +async def cleanup_background_tasks(app): + print("cleanup background tasks...") + app["redis_listener"].cancel() + await app["redis_listener"] + + +def init(): + app = web.Application() + app["websockets"] = [] + app.router.add_get("/news", websocket_handler) + app.on_startup.append(start_background_tasks) + app.on_cleanup.append(cleanup_background_tasks) + app.on_shutdown.append(on_shutdown) + return app + + +web.run_app(init()) diff --git a/third_party/python/aiohttp/examples/cli_app.py b/third_party/python/aiohttp/examples/cli_app.py new file mode 100755 index 0000000000..9fbd3b7604 --- /dev/null +++ b/third_party/python/aiohttp/examples/cli_app.py @@ -0,0 +1,51 @@ +#!/usr/bin/env python3 +""" +Example of serving an Application using the `aiohttp.web` CLI. + +Serve this app using:: + + $ python -m aiohttp.web -H localhost -P 8080 --repeat 10 cli_app:init \ + > "Hello World" + +Here ``--repeat`` & ``"Hello World"`` are application specific command-line +arguments. `aiohttp.web` only parses & consumes the command-line arguments it +needs (i.e. ``-H``, ``-P`` & ``entry-func``) and passes on any additional +arguments to the `cli_app:init` function for processing. +""" + +from argparse import ArgumentParser + +from aiohttp import web + + +def display_message(req): + args = req.app["args"] + text = "\n".join([args.message] * args.repeat) + return web.Response(text=text) + + +def init(argv): + arg_parser = ArgumentParser( + prog="aiohttp.web ...", description="Application CLI", add_help=False + ) + + # Positional argument + arg_parser.add_argument("message", help="message to print") + + # Optional argument + arg_parser.add_argument( + "--repeat", help="number of times to repeat message", type=int, default="1" + ) + + # Avoid conflict with -h from `aiohttp.web` CLI parser + arg_parser.add_argument( + "--app-help", help="show this message and exit", action="help" + ) + + args = arg_parser.parse_args(argv) + + app = web.Application() + app["args"] = args + app.router.add_get("/", display_message) + + return app diff --git a/third_party/python/aiohttp/examples/client_auth.py b/third_party/python/aiohttp/examples/client_auth.py new file mode 100755 index 0000000000..6513de20e5 --- /dev/null +++ b/third_party/python/aiohttp/examples/client_auth.py @@ -0,0 +1,23 @@ +#!/usr/bin/env python3 +import asyncio + +import aiohttp + + +async def fetch(session): + print("Query http://httpbin.org/basic-auth/andrew/password") + async with session.get("http://httpbin.org/basic-auth/andrew/password") as resp: + print(resp.status) + body = await resp.text() + print(body) + + +async def go(loop): + async with aiohttp.ClientSession( + auth=aiohttp.BasicAuth("andrew", "password"), loop=loop + ) as session: + await fetch(session) + + +loop = asyncio.get_event_loop() +loop.run_until_complete(go(loop)) diff --git a/third_party/python/aiohttp/examples/client_json.py b/third_party/python/aiohttp/examples/client_json.py new file mode 100755 index 0000000000..f57115640c --- /dev/null +++ b/third_party/python/aiohttp/examples/client_json.py @@ -0,0 +1,22 @@ +#!/usr/bin/env python3 +import asyncio + +import aiohttp + + +async def fetch(session: aiohttp.ClientSession) -> None: + print("Query http://httpbin.org/get") + async with session.get("http://httpbin.org/get") as resp: + print(resp.status) + data = await resp.json() + print(data) + + +async def go(loop): + async with aiohttp.ClientSession(loop=loop) as session: + await fetch(session) + + +loop = asyncio.get_event_loop() +loop.run_until_complete(go(loop)) +loop.close() diff --git a/third_party/python/aiohttp/examples/client_ws.py b/third_party/python/aiohttp/examples/client_ws.py new file mode 100755 index 0000000000..38d8300362 --- /dev/null +++ b/third_party/python/aiohttp/examples/client_ws.py @@ -0,0 +1,74 @@ +#!/usr/bin/env python3 +"""websocket cmd client for wssrv.py example.""" +import argparse +import asyncio +import signal +import sys + +import aiohttp + + +async def start_client(loop, url): + name = input("Please enter your name: ") + + # input reader + def stdin_callback(): + line = sys.stdin.buffer.readline().decode("utf-8") + if not line: + loop.stop() + else: + ws.send_str(name + ": " + line) + + loop.add_reader(sys.stdin.fileno(), stdin_callback) + + async def dispatch(): + while True: + msg = await ws.receive() + + if msg.type == aiohttp.WSMsgType.TEXT: + print("Text: ", msg.data.strip()) + elif msg.type == aiohttp.WSMsgType.BINARY: + print("Binary: ", msg.data) + elif msg.type == aiohttp.WSMsgType.PING: + ws.pong() + elif msg.type == aiohttp.WSMsgType.PONG: + print("Pong received") + else: + if msg.type == aiohttp.WSMsgType.CLOSE: + await ws.close() + elif msg.type == aiohttp.WSMsgType.ERROR: + print("Error during receive %s" % ws.exception()) + elif msg.type == aiohttp.WSMsgType.CLOSED: + pass + + break + + # send request + async with aiohttp.ClientSession() as session: + async with session.ws_connect(url, autoclose=False, autoping=False) as ws: + await dispatch() + + +ARGS = argparse.ArgumentParser( + description="websocket console client for wssrv.py example." +) +ARGS.add_argument( + "--host", action="store", dest="host", default="127.0.0.1", help="Host name" +) +ARGS.add_argument( + "--port", action="store", dest="port", default=8080, type=int, help="Port number" +) + +if __name__ == "__main__": + args = ARGS.parse_args() + if ":" in args.host: + args.host, port = args.host.split(":", 1) + args.port = int(port) + + url = f"http://{args.host}:{args.port}" + + loop = asyncio.get_event_loop() + + loop.add_signal_handler(signal.SIGINT, loop.stop) + loop.create_task(start_client(loop, url)) + loop.run_forever() diff --git a/third_party/python/aiohttp/examples/curl.py b/third_party/python/aiohttp/examples/curl.py new file mode 100755 index 0000000000..a39639af34 --- /dev/null +++ b/third_party/python/aiohttp/examples/curl.py @@ -0,0 +1,35 @@ +#!/usr/bin/env python3 + +import argparse +import asyncio + +import aiohttp + + +async def curl(url): + async with aiohttp.ClientSession() as session: + async with session.request("GET", url) as response: + print(repr(response)) + chunk = await response.content.read() + print("Downloaded: %s" % len(chunk)) + + +if __name__ == "__main__": + ARGS = argparse.ArgumentParser(description="GET url example") + ARGS.add_argument("url", nargs=1, metavar="URL", help="URL to download") + ARGS.add_argument( + "--iocp", + default=False, + action="store_true", + help="Use ProactorEventLoop on Windows", + ) + options = ARGS.parse_args() + + if options.iocp: + from asyncio import events, windows_events + + el = windows_events.ProactorEventLoop() + events.set_event_loop(el) + + loop = asyncio.get_event_loop() + loop.run_until_complete(curl(options.url[0])) diff --git a/third_party/python/aiohttp/examples/fake_server.py b/third_party/python/aiohttp/examples/fake_server.py new file mode 100755 index 0000000000..0006f5f002 --- /dev/null +++ b/third_party/python/aiohttp/examples/fake_server.py @@ -0,0 +1,119 @@ +#!/usr/bin/env python3 +import asyncio +import pathlib +import socket +import ssl + +import aiohttp +from aiohttp import web +from aiohttp.abc import AbstractResolver +from aiohttp.resolver import DefaultResolver +from aiohttp.test_utils import unused_port + + +class FakeResolver(AbstractResolver): + _LOCAL_HOST = {0: "127.0.0.1", socket.AF_INET: "127.0.0.1", socket.AF_INET6: "::1"} + + def __init__(self, fakes, *, loop): + """fakes -- dns -> port dict""" + self._fakes = fakes + self._resolver = DefaultResolver(loop=loop) + + async def resolve(self, host, port=0, family=socket.AF_INET): + fake_port = self._fakes.get(host) + if fake_port is not None: + return [ + { + "hostname": host, + "host": self._LOCAL_HOST[family], + "port": fake_port, + "family": family, + "proto": 0, + "flags": socket.AI_NUMERICHOST, + } + ] + else: + return await self._resolver.resolve(host, port, family) + + async def close(self) -> None: + self._resolver.close() + + +class FakeFacebook: + def __init__(self, *, loop): + self.loop = loop + self.app = web.Application(loop=loop) + self.app.router.add_routes( + [ + web.get("/v2.7/me", self.on_me), + web.get("/v2.7/me/friends", self.on_my_friends), + ] + ) + self.runner = web.AppRunner(self.app) + here = pathlib.Path(__file__) + ssl_cert = here.parent / "server.crt" + ssl_key = here.parent / "server.key" + self.ssl_context = ssl.create_default_context(ssl.Purpose.CLIENT_AUTH) + self.ssl_context.load_cert_chain(str(ssl_cert), str(ssl_key)) + + async def start(self): + port = unused_port() + self.runner = web.AppRunner(self.app) + await self.runner.setup() + site = web.TCPSite(self.runner, "127.0.0.1", port, ssl_context=self.ssl_context) + await site.start() + return {"graph.facebook.com": port} + + async def stop(self): + await self.runner.cleanup() + + async def on_me(self, request): + return web.json_response({"name": "John Doe", "id": "12345678901234567"}) + + async def on_my_friends(self, request): + return web.json_response( + { + "data": [ + {"name": "Bill Doe", "id": "233242342342"}, + {"name": "Mary Doe", "id": "2342342343222"}, + {"name": "Alex Smith", "id": "234234234344"}, + ], + "paging": { + "cursors": { + "before": "QVFIUjRtc2c5NEl0ajN", + "after": "QVFIUlpFQWM0TmVuaDRad0dt", + }, + "next": ( + "https://graph.facebook.com/v2.7/12345678901234567/" + "friends?access_token=EAACEdEose0cB" + ), + }, + "summary": {"total_count": 3}, + } + ) + + +async def main(loop): + token = "ER34gsSGGS34XCBKd7u" + + fake_facebook = FakeFacebook(loop=loop) + info = await fake_facebook.start() + resolver = FakeResolver(info, loop=loop) + connector = aiohttp.TCPConnector(loop=loop, resolver=resolver, verify_ssl=False) + + async with aiohttp.ClientSession(connector=connector, loop=loop) as session: + async with session.get( + "https://graph.facebook.com/v2.7/me", params={"access_token": token} + ) as resp: + print(await resp.json()) + + async with session.get( + "https://graph.facebook.com/v2.7/me/friends", params={"access_token": token} + ) as resp: + print(await resp.json()) + + await fake_facebook.stop() + + +loop = asyncio.get_event_loop() +loop.run_until_complete(main(loop)) diff --git a/third_party/python/aiohttp/examples/lowlevel_srv.py b/third_party/python/aiohttp/examples/lowlevel_srv.py new file mode 100644 index 0000000000..5a003f40f4 --- /dev/null +++ b/third_party/python/aiohttp/examples/lowlevel_srv.py @@ -0,0 +1,26 @@ +import asyncio + +from aiohttp import web + + +async def handler(request): + return web.Response(text="OK") + + +async def main(loop): + server = web.Server(handler) + await loop.create_server(server, "127.0.0.1", 8080) + print("======= Serving on http://127.0.0.1:8080/ ======") + + # pause here for very long time by serving HTTP requests and + # waiting for keyboard interruption + await asyncio.sleep(100 * 3600) + + +loop = asyncio.get_event_loop() + +try: + loop.run_until_complete(main(loop)) +except KeyboardInterrupt: + pass +loop.close() diff --git a/third_party/python/aiohttp/examples/server.crt b/third_party/python/aiohttp/examples/server.crt new file mode 100644 index 0000000000..708971a376 --- /dev/null +++ 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await ws.prepare(request) + + async for msg in ws: + if msg.type == web.WSMsgType.text: + await ws.send_str(f"Hello, {msg.data}") + elif msg.type == web.WSMsgType.binary: + await ws.send_bytes(msg.data) + elif msg.type == web.WSMsgType.close: + break + + return ws + + +app = web.Application() +app.add_routes( + [web.get("/", handle), web.get("/echo", wshandle), web.get("/{name}", handle)] +) + +web.run_app(app) diff --git a/third_party/python/aiohttp/examples/static_files.py b/third_party/python/aiohttp/examples/static_files.py new file mode 100755 index 0000000000..65f6bb9c76 --- /dev/null +++ b/third_party/python/aiohttp/examples/static_files.py @@ -0,0 +1,9 @@ +#!/usr/bin/env python3 +import pathlib + +from aiohttp import web + +app = web.Application() +app.router.add_static("/", pathlib.Path(__file__).parent, show_index=True) + +web.run_app(app) diff --git a/third_party/python/aiohttp/examples/web_classview.py b/third_party/python/aiohttp/examples/web_classview.py new file mode 100755 index 0000000000..1f1afdae47 --- /dev/null +++ b/third_party/python/aiohttp/examples/web_classview.py @@ -0,0 +1,62 @@ +#!/usr/bin/env python3 +"""Example for aiohttp.web class based views.""" + + +import functools +import json + +from aiohttp import web + + +class MyView(web.View): + async def get(self): + return web.json_response( + { + "method": "get", + "args": dict(self.request.query), + "headers": dict(self.request.headers), + }, + dumps=functools.partial(json.dumps, indent=4), + ) + + async def post(self): + data = await self.request.post() + return web.json_response( + { + "method": "post", + "args": dict(self.request.query), + "data": dict(data), + "headers": dict(self.request.headers), + }, + dumps=functools.partial(json.dumps, indent=4), + ) + + +async def index(request): + txt = """ + + + Class based view example + + +

Class based view example

+ + + + """ + return web.Response(text=txt, content_type="text/html") + + +def init(): + app = web.Application() + app.router.add_get("/", index) + app.router.add_get("/get", MyView) + app.router.add_post("/post", MyView) + return app + + +web.run_app(init()) diff --git a/third_party/python/aiohttp/examples/web_cookies.py b/third_party/python/aiohttp/examples/web_cookies.py new file mode 100755 index 0000000000..c028d19b55 --- /dev/null +++ b/third_party/python/aiohttp/examples/web_cookies.py @@ -0,0 +1,45 @@ +#!/usr/bin/env python3 +"""Example for aiohttp.web basic server with cookies.""" + +from pprint import pformat +from typing import NoReturn + +from aiohttp import web + +tmpl = """\ + + + Login
+ Logout
+ 
{}
+ +""" + + +async def root(request): + resp = web.Response(content_type="text/html") + resp.text = tmpl.format(pformat(request.cookies)) + return resp + + +async def login(request: web.Request) -> NoReturn: + exc = web.HTTPFound(location="/") + exc.set_cookie("AUTH", "secret") + raise exc + + +async def logout(request: web.Request) -> NoReturn: + exc = web.HTTPFound(location="/") + exc.del_cookie("AUTH") + raise exc + + +def init(): + app = web.Application() + app.router.add_get("/", root) + app.router.add_get("/login", login) + app.router.add_get("/logout", logout) + return app + + +web.run_app(init()) diff --git a/third_party/python/aiohttp/examples/web_rewrite_headers_middleware.py b/third_party/python/aiohttp/examples/web_rewrite_headers_middleware.py new file mode 100755 index 0000000000..15e985e14d --- /dev/null +++ b/third_party/python/aiohttp/examples/web_rewrite_headers_middleware.py @@ -0,0 +1,29 @@ +#!/usr/bin/env python3 +"""Example for rewriting response headers by middleware.""" + +from aiohttp import web +from aiohttp.typedefs import Handler + + +async def handler(request): + return web.Response(text="Everything is fine") + + +@web.middleware +async def middleware(request: web.Request, handler: Handler) -> web.StreamResponse: + try: + response = await handler(request) + except web.HTTPException as exc: + raise exc + if not response.prepared: + response.headers["SERVER"] = "Secured Server Software" + return response + + +def init(): + app = web.Application(middlewares=[middleware]) + app.router.add_get("/", handler) + return app + + +web.run_app(init()) diff --git a/third_party/python/aiohttp/examples/web_srv.py b/third_party/python/aiohttp/examples/web_srv.py new file mode 100755 index 0000000000..4d0e7c4697 --- /dev/null +++ b/third_party/python/aiohttp/examples/web_srv.py @@ -0,0 +1,58 @@ +#!/usr/bin/env python3 +"""Example for aiohttp.web basic server.""" + +import textwrap + +from aiohttp import web + + +async def intro(request): + txt = textwrap.dedent( + """\ + Type {url}/hello/John {url}/simple or {url}/change_body + in browser url bar + """ + ).format(url="127.0.0.1:8080") + binary = txt.encode("utf8") + resp = web.StreamResponse() + resp.content_length = len(binary) + resp.content_type = "text/plain" + await resp.prepare(request) + await resp.write(binary) + return resp + + +async def simple(request): + return web.Response(text="Simple answer") + + +async def change_body(request): + resp = web.Response() + resp.body = b"Body changed" + resp.content_type = "text/plain" + return resp + + +async def hello(request): + resp = web.StreamResponse() + name = request.match_info.get("name", "Anonymous") + answer = ("Hello, " + name).encode("utf8") + resp.content_length = len(answer) + resp.content_type = "text/plain" + await resp.prepare(request) + await resp.write(answer) + await resp.write_eof() + return resp + + +def init(): + app = web.Application() + app.router.add_get("/", intro) + app.router.add_get("/simple", simple) + app.router.add_get("/change_body", change_body) + app.router.add_get("/hello/{name}", hello) + app.router.add_get("/hello", hello) + return app + + +web.run_app(init()) diff --git a/third_party/python/aiohttp/examples/web_srv_route_deco.py b/third_party/python/aiohttp/examples/web_srv_route_deco.py new file mode 100644 index 0000000000..4e1769d192 --- /dev/null +++ b/third_party/python/aiohttp/examples/web_srv_route_deco.py @@ -0,0 +1,60 @@ +#!/usr/bin/env python3 +"""Example for aiohttp.web basic server with decorator definition for routes.""" + +import textwrap + +from aiohttp import web + +routes = web.RouteTableDef() + + +@routes.get("/") +async def intro(request): + txt = textwrap.dedent( + """\ + Type {url}/hello/John {url}/simple or {url}/change_body + in browser url bar + """ + ).format(url="127.0.0.1:8080") + binary = txt.encode("utf8") + resp = web.StreamResponse() + resp.content_length = len(binary) + resp.content_type = "text/plain" + await resp.prepare(request) + await resp.write(binary) + return resp + + +@routes.get("/simple") +async def simple(request): + return web.Response(text="Simple answer") + + +@routes.get("/change_body") +async def change_body(request): + resp = web.Response() + resp.body = b"Body changed" + resp.content_type = "text/plain" + return resp + + +@routes.get("/hello") +async def hello(request): + resp = web.StreamResponse() + name = request.match_info.get("name", "Anonymous") + answer = ("Hello, " + name).encode("utf8") + resp.content_length = len(answer) + resp.content_type = "text/plain" + await resp.prepare(request) + await resp.write(answer) + await resp.write_eof() + return resp + + +def init(): + app = web.Application() + app.router.add_routes(routes) + return app + + +web.run_app(init()) diff --git a/third_party/python/aiohttp/examples/web_srv_route_table.py b/third_party/python/aiohttp/examples/web_srv_route_table.py new file mode 100644 index 0000000000..24815b237b --- /dev/null +++ b/third_party/python/aiohttp/examples/web_srv_route_table.py @@ -0,0 +1,62 @@ +#!/usr/bin/env python3 +"""Example for aiohttp.web basic server with table definition for routes.""" + +import textwrap + +from aiohttp import web + + +async def intro(request): + txt = textwrap.dedent( + """\ + Type {url}/hello/John {url}/simple or {url}/change_body + in browser url bar + """ + ).format(url="127.0.0.1:8080") + binary = txt.encode("utf8") + resp = web.StreamResponse() + resp.content_length = len(binary) + resp.content_type = "text/plain" + await resp.prepare(request) + await resp.write(binary) + return resp + + +async def simple(request): + return web.Response(text="Simple answer") + + +async def change_body(request): + resp = web.Response() + resp.body = b"Body changed" + resp.content_type = "text/plain" + return resp + + +async def hello(request): + resp = web.StreamResponse() + name = request.match_info.get("name", "Anonymous") + answer = ("Hello, " + name).encode("utf8") + resp.content_length = len(answer) + resp.content_type = "text/plain" + await resp.prepare(request) + await resp.write(answer) + await resp.write_eof() + return resp + + +def init(): + app = web.Application() + app.router.add_routes( + [ + web.get("/", intro), + web.get("/simple", simple), + web.get("/change_body", change_body), + web.get("/hello/{name}", hello), + web.get("/hello", hello), + ] + ) + return app + + +web.run_app(init()) diff --git a/third_party/python/aiohttp/examples/web_ws.py b/third_party/python/aiohttp/examples/web_ws.py new file mode 100755 index 0000000000..f6c0593333 --- /dev/null +++ b/third_party/python/aiohttp/examples/web_ws.py @@ -0,0 +1,57 @@ +#!/usr/bin/env python3 +"""Example for aiohttp.web websocket server.""" + +import os + +from aiohttp import web + +WS_FILE = os.path.join(os.path.dirname(__file__), "websocket.html") + + +async def wshandler(request): + resp = web.WebSocketResponse() + available = resp.can_prepare(request) + if not available: + with open(WS_FILE, "rb") as fp: + return web.Response(body=fp.read(), content_type="text/html") + + await resp.prepare(request) + + await resp.send_str("Welcome!!!") + + try: + print("Someone joined.") + for ws in request.app["sockets"]: + await ws.send_str("Someone joined") + request.app["sockets"].append(resp) + + async for msg in resp: + if msg.type == web.WSMsgType.TEXT: + for ws in request.app["sockets"]: + if ws is not resp: + await ws.send_str(msg.data) + else: + return resp + return resp + + finally: + request.app["sockets"].remove(resp) + print("Someone disconnected.") + for ws in request.app["sockets"]: + await ws.send_str("Someone disconnected.") + + +async def on_shutdown(app): + for ws in app["sockets"]: + await ws.close() + + +def init(): + app = web.Application() + app["sockets"] = [] + app.router.add_get("/", wshandler) + app.on_shutdown.append(on_shutdown) + return app + + +web.run_app(init()) diff --git a/third_party/python/aiohttp/examples/websocket.html b/third_party/python/aiohttp/examples/websocket.html new file mode 100644 index 0000000000..2ba9ff367d --- /dev/null +++ b/third_party/python/aiohttp/examples/websocket.html @@ -0,0 +1,89 @@ + + + + + + + + +

Chat!

+
+  | Status: + disconnected +
+
+
+
+ + +
+ + -- cgit v1.2.3