asyncio async/await nsq support
Project description
nsqio
if you dont like the pynsq(which use tornado) way to interact with nsq, then this library may be suitable for you
you can use this library as the common way to write things
Important
-
it is not stable yet
Features
Http Client
- support all the method nsq http supplied
Tcp Client
Connection
- low level connection.
Reader
-
reader from both lookupd for auto finding nsqd
-
list of known nsqd but they can not use together.
-
above two can't use together
Writer
- all the common method for nsqd writer
Next Features
different reader protocol support
more doc to write
more tests
Install
pip install nsqio
Usage examples
All you need is a loop, then enjoy. you can refer to examples, as well.
Consumer:
from nsqio import create_reader
from nsqio.utils import get_logger
loop = asyncio.get_event_loop()
async def go():
try:
reader = await create_reader(
nsqd_tcp_addresses=['127.0.0.1:4150'],
max_in_flight=200)
await reader.subscribe('test_async_nsq', 'nsq')
async for message in reader.messages():
print(message.body)
await message.fin()
except Exception as tmp:
self.logger.exception(tmp)
loop.run_until_complete(go())
Producer:
from nsqio import create_writer
loop = asyncio.get_event_loop()
async def go():
writer = await create_writer(host='127.0.0.1', port=4150,
heartbeat_interval=30000,
feature_negotiation=True,
tls_v1=True,
snappy=False,
deflate=False,
deflate_level=0,
loop=loop)
for i in range(100):
await writer.pub('test_async_nsq', 'test_async_nsq:{i}'.format(i=i))
await writer.dpub('test_async_nsq', i * 1000,
'test_delay_async_nsq:{i}'.format(i=i))
loop.run_until_complete(go())
Requirements
-
Python_ 3.6+ https://www.python.org
-
nsq_ http://nsq.io
-
python-snappy
- ubuntu:
- sudo apt-get install libsnappy-dev
- pip install python-snappy
- centos:
- sudo yum install snappy-devel
- pip install python-snappy
- mac:
- brew install snappy # snappy library from Google
- CPPFLAGS="-I/usr/local/include -L/usr/local/lib" pip install python-snappy
- ubuntu:
License
The nsqio is offered under MIT license.
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