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aiohttp client example for python 3.5
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| # updated from http://stackabuse.com/python-async-await-tutorial/ | |
| # still doesn't properly deal with KeyboardInterrupt OMM :( | |
| import signal | |
| import sys | |
| import asyncio | |
| import aiohttp | |
| import json | |
| async def get_json(client, url): | |
| async with client.get(url) as response: | |
| assert response.status == 200 | |
| return await response.read() | |
| async def get_reddit_top(subreddit, client): | |
| data1 = await get_json(client, 'https://www.reddit.com/r/' + subreddit + | |
| '/top.json?sort=top&t=day&limit=5') | |
| j = json.loads(data1.decode('utf-8')) | |
| for i in j['data']['children']: | |
| score = i['data']['score'] | |
| title = i['data']['title'] | |
| link = i['data']['url'] | |
| print(str(score) + ': ' + title + ' (' + link + ')') | |
| print('DONE:', subreddit + '\n') | |
| # def signal_handler(signal, frame): | |
| # print('we get sig') | |
| # loop.stop() | |
| # client.close() | |
| # sys.exit(0) | |
| async def main(): | |
| async with aiohttp.ClientSession(loop=loop) as client: | |
| await asyncio.wait([ | |
| get_reddit_top('python', client), | |
| get_reddit_top('programming', client), | |
| get_reddit_top('compsci', client) | |
| ]) | |
| loop = asyncio.get_event_loop() | |
| # signal.signal(signal.SIGINT, signal_handler) | |
| loop.run_until_complete(main()) |
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| #!/usr/bin/env python3 | |
| # -*- coding: utf-8; flycheck-python-pycompile-executable: "python3"; python-shell-interpreter: "python3"; -*- | |
| # stolen from the docs -- this example *does* handle KeyboardInterrupt properly OMM. | |
| # What's different? | |
| import asyncio | |
| class announce(): | |
| """ Return message uppercase """ | |
| def __init__(self): | |
| """ Start the tcp server """ | |
| host = "localhost" | |
| port = 2000 | |
| loop = asyncio.get_event_loop() | |
| coro = asyncio.start_server(self.TCPRequestHandler, host, port, loop=loop) | |
| self.msg("A") | |
| server = loop.run_until_complete(coro) | |
| self.msg("B") | |
| try: | |
| loop.run_forever() | |
| except: | |
| server.close() | |
| self.msg("C") | |
| loop.run_until_complete(server.wait_closed()) | |
| loop.close() | |
| async def TCPRequestHandler(self, reader, writer): | |
| self.msg("Entered request, awaiting") | |
| data = await reader.read(100) | |
| message = data.decode("utf-8") | |
| addr = writer.get_extra_info('peername') | |
| self.msg("Received {0} from {1}".format(message,addr)) | |
| writer.write(data.upper()) | |
| await writer.drain() | |
| writer.close() | |
| def msg(self, message): | |
| print (message) | |
| def main(): | |
| announce() | |
| if __name__ == "__main__": | |
| main() |
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