Aio application runner
Project description
Application runner for the aio asyncio framework
Build status
Installation
Install with:
pip install aio.appConfiguration
By default the aio command will look for the following configuration files
aio.conf
etc/aio.conf
/etc/aio.conf
Once it has found a config file it uses that one
A custom configuration file can also be provide with “-c”, eg
aio -c custom.conf runA basic configuration with the 2 provided commands, test and run is
[aio:commands]
run = aio.app.cmd.cmd_run
test = aio.app.testing.cmd.cmd_testaio run
With the above configuration the app server can be run with
aio runOn startup the app server sets up the following
Configuration - system-wide read-only configuration
Modules - known modules
Schedulers - functions called at set times
Servers - listening on tcp/udp or other type of socket
Signals - functions called in response to events
Configuration
The system configuration is importable from aio.app
from aio.app import configModules
You can list any modules that should be imported at runtime in the configuration
[aio]
modules = aio.app
aio.signalsThe system modules can be accessed from aio.app
from aio.app import modulesSchedulers
Any sections in the configuration that start with schedule: will create a scheduler.
Specify the frequency and the function to call. The function should be a co-routine.
[schedule:example]
every = 2
func = my.scheduler.example_schedulerThe scheduler function takes no arguments
@asyncio.coroutine
def example_scheduler():
# do something
passServers
Any sections in the configuration that start with server: will create a server
The server requires either a factory or a protocol to start
Protocol configuration example:
[server:example]
protocol = my.example.ServerProtocol
address = 127.0.0.1
port = 8888Protocol example code:
class ServerProtocol(asyncio.Protocol):
def connection_made(self, transport):
self.transport = transport
def data_received(self, data):
# do stuff
passFactory configuration example:
[server:example]
factory = my.example.server_factory
address = 127.0.0.1
port = 8888Factory code example:
@asyncio.coroutine
def server_factory(name, address, port):
return (
yield from asyncio.get_event_loop().create_server(
ServerProtocol,
address, port))Signals
Any section in the configuration that starts with listen: will subscribe listed functions to given events
[listen:example]
example-signal = my.example.listener@asyncio.coroutine
def listener(signal, message):
print(message)
yield from app.signals.emit(
'example-signal', "BOOM!")You can add multiple subscriptions within the section
[listen:example]
example-signal = my.example.listener
example-signal-2 = my.example.listener2You can also subscribe multiple functions to a signal
[listen:example]
example-signal = my.example.listener
my.example.listener2Dependencies
aio.app depends on the following packages
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