How to use find_free_port method in Playwright Python

Best Python code snippet using playwright-python

test_debug_server.py

Source: test_debug_server.py Github

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...18 killed = True19 break20 return killed21def setup_server(start_server, find_free_port, no_eval=False, stdout=False, env=None):22 port = find_free_port()23 args = ["+DEBUG_LOG", "+NO_EVAL"] if no_eval else ["+DEBUG_LOG"]24 s = start_server(port, "test_debug_server", args, stdout=stdout, env=env)25 assert s.poll() is None26 uri = "ws:/​/​localhost:{0}".format(port)27 return s, uri28def test_continue_stop(start_server, find_free_port):29 s, uri = setup_server(start_server, find_free_port, True)30 async def test_logic():31 client = hgdb.HGDBClient(uri, None)32 await client.connect()33 await client.continue_()34 await client.stop()35 asyncio.get_event_loop().run_until_complete(test_logic())36 # check if process exit...

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test_jupyter_kernel_raw.py

Source: test_jupyter_kernel_raw.py Github

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...6import logging7import zmq8from aiozmq import create_zmq_stream9import asyncio10def find_free_port() -> int:11 with closing(socket.socket(socket.AF_INET, socket.SOCK_STREAM)) as sock:12 sock.bind(('', 0))13 sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)14 return sock.getsockname()[1]15async def test_kernel() -> None:16 transport = 'tcp'17 ip = '127.0.0.1'18 shell_port = find_free_port()19 control_port = find_free_port()20 stdin_port = find_free_port()21 iopub_port = find_free_port()22 heartbeat_port = find_free_port()23 configuration = {24 'transport': transport,25 'ip': ip,26 'shell_port': shell_port,27 'control_port': control_port,28 'stdin_port': stdin_port,29 'iopub_port': iopub_port,30 'hb_port': heartbeat_port,31 'key': 'a7d9f4f3-acad37f08d4fe05069a03422',32 'signature_scheme': 'hmac-sha256'33 }34 configuration_json = json.dumps(configuration)35 with NamedTemporaryFile() as configuration_file:36 configuration_file.write(str.encode(configuration_json))...

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test_hgdb.py

Source: test_hgdb.py Github

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...24 p = subprocess.Popen(args, stdout=subprocess.PIPE if not log else sys.stdout,25 stderr=subprocess.PIPE if not log else sys.stdout)26 time.sleep(wait)27 return p28def find_free_port():29 with closing(socket.socket(socket.AF_INET, socket.SOCK_STREAM)) as s:30 s.bind(('', 0))31 s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)32 return s.getsockname()[1]33def start_program(port, **kwargs):34 dirname = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))35 hgdb = os.path.join(dirname, "hgdb")36 # use a fake db for arguments37 args = [hgdb, ":" + str(port), "no-db", "--no-db-connection"]38 extra_args = []39 for n, v in kwargs.items():40 extra_args.append("--" + n)41 extra_args.append(v)42 args = args + extra_args43 p = subprocess.Popen(args, stdin=subprocess.PIPE, stdout=subprocess.PIPE)44 return p45def test_set_breakpoint_continue():46 port = find_free_port()47 # start the server48 s = start_server(port, "test_debug_server")49 # run the debugger50 p = start_program(port)51 # continue52 out = p.communicate(input=b"b test.py:1\nc\n")[0]53 out = out.decode("ascii")54 assert "Breakpoint 2 at test.py:1" in out55 s.kill()56 p.kill()57def test_rewind_time():58 port = find_free_port()59 # start the server60 s = start_server(port, "test_debug_server", supports_rewind=True)61 # run the debugger62 p = start_program(port)63 # continue64 out = p.communicate(input=b"b test.py:1\nc\ngo 200\ninfo time\n")[0]65 out = out.decode("ascii")66 assert "201" in out67 s.kill()68 p.kill()69def test_repl():70 port = find_free_port()71 # start the server72 s = start_server(port, "test_debug_server")73 # run the debugger74 p = start_program(port)75 # continue76 out = p.communicate(input=b"p 41 + mod.a\n")[0]77 out = out.decode("ascii")78 assert "42" in out79 s.kill()80 p.kill()81def test_step_over():82 port = find_free_port()83 # start the server84 s = start_server(port, "test_debug_server")85 # run the debugger86 p = start_program(port)87 # continue88 out = p.communicate(input=b"n\nn\nn\n")[0]89 out = out.decode("ascii")90 assert "Breakpoint 2 at test.py:1" in out91 assert "Breakpoint 8 at test.py:1" in out92 assert "Breakpoint 0 at test.py:2" in out93 s.kill()94 p.kill()95def test_set_value():96 port = find_free_port()97 # start the server98 s = start_server(port, "test_debug_server")99 p = start_program(port)100 # continue101 out = p.communicate(input=b"n\nset a=100\np a\nn\nn\np a + 1\n")[0]102 out = out.decode("ascii")103 assert "100" in out104 assert "101" in out105 s.kill()106 p.kill()107def test_data_breakpoint():108 port = find_free_port()109 s = start_server(port, "test_debug_server")110 p = start_program(port)111 # continue112 out = p.communicate(input=b"w c\nc\nc\ninfo watchpoint\n")[0]113 out = out.decode("ascii")114 assert "Watchpoint 0 at test.py:2" in out115 assert "Watchpoint 3 at test.py:5" in out116 assert "3\ttest.py:5\tc" in out117 s.kill()118 p.kill()119def test_src_mapping():120 port = find_free_port()121 # start the server122 s = start_server(port, "test_debug_server")123 # run the debugger124 p = start_program(port, map=":/​tmp")125 # continue126 out = p.communicate(input=b"b /​tmp/​test.py:1\nc\n")[0]127 out = out.decode("ascii")128 assert "Breakpoint 2 at test.py:1" in out129 s.kill()130 p.kill()131if __name__ == "__main__":...

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test_ws_server.py

Source: test_ws_server.py Github

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...4import asyncio5import time6import websockets7def test_echo(start_server, find_free_port):8 port = find_free_port()9 s = start_server(port, "test_ws_server", wait=0.05)10 async def send_msg():11 uri = "ws:/​/​localhost:{0}".format(port)12 payload = "hello world"13 async with websockets.connect(uri) as ws:14 await ws.send(payload)15 echo = await ws.recv()16 assert echo == payload17 asyncio.get_event_loop().run_until_complete(send_msg())18 # kill the server19 s.terminate()20 while s.poll() is None:21 pass22def test_shutdown(start_server, find_free_port):23 port = find_free_port()24 s = start_server(port, "test_ws_server", wait=0.05)25 async def send_msg():26 uri = "ws:/​/​localhost:{0}".format(port)27 payload = "stop"28 async with websockets.connect(uri) as ws:29 await ws.send(payload)30 asyncio.get_event_loop().run_until_complete(send_msg())31 # check if process exit32 t = time.time()33 killed = False34 while time.time() < t + 1:35 if s.poll() is not None:36 killed = True37 break38 if not killed:39 s.terminate()40 assert killed41def test_topic_pub(start_server, find_free_port):42 port = find_free_port()43 s = start_server(port, "test_ws_server", wait=0.05)44 async def send_msg():45 uri = "ws:/​/​localhost:{0}".format(port)46 payload1 = "42"47 payload2 = "hello world"48 async with websockets.connect(uri) as ws1:49 async with websockets.connect(uri) as ws2:50 await ws1.send(payload1)51 echo1 = await ws1.recv()52 assert echo1 == payload153 await ws2.send(payload2)54 await ws1.recv()55 echo2 = await ws1.recv()56 assert(echo2 == payload2 * 2)...

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I solved my problem. In fact my docker container (frontend) is called "app" which is also domain name of fronend application. My application is running locally on http. Chromium and geko drivers force httpS connection for some domain names one of which is "app". So i have to change name for my docker container wich contains frontend application.

https://stackoverflow.com/questions/69542361/playwright-error-connection-refused-in-docker

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