| Name | xaal.lib JSON |
| Version |
0.7.5
JSON |
| download |
| home_page | None |
| Summary | Official Python stack for xAAL protocol |
| upload_time | 2024-07-17 13:54:44 |
| maintainer | None |
| docs_url | None |
| author | None |
| requires_python | None |
| license | GPL License |
| keywords |
xaal
home-automation
|
| VCS |
|
| bugtrack_url |
|
| requirements |
No requirements were recorded.
|
| Travis-CI |
No Travis.
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| coveralls test coverage |
No coveralls.
|
xaal.lib
========
**xaal.lib** is the official Python stack to develop home-automation devices and gateways
with the xAAL protocol. For a full description of the protocol check out
http://recherche.imt-atlantique.fr/xaal/
Dependencies
~~~~~~~~~~~~
xaal.lib depends on :
* cbor2
* pysodium
* configobj
* coloredlogs
* decorator
* tabulate
* aioconsole
Install
~~~~~~~
Please refer to the official `full documentation to install the lib in a virtualenv
<https://redmine.imt-atlantique.fr/svn/xaal/code/Python/branches/0.7/README.html>`_
Usage
~~~~~
The main goal of xaal.lib is to provide an API to easily develop devices & gateways.
**xaal.lib.Engine send / receive / parse to|from xAAL Bus**.
To receive / parse / display incoming xAAL messages, you can simply try something like
this:
.. code-block:: python
from xaal.lib import Engine
def display(msg):
print(msg)
eng = Engine()
eng.subscribe(display)
eng.run()
The Engine will call the display function every time it receive a xAAL message.
Let's take a look at a simple lamp device :
.. code-block:: python
from xaal.lib import Device,Engine,tools
# create and configure the lamp device, with a random address
dev = Device("lamp.basic", tools.get_random_uuid())
dev.product_id = 'Dummy Lamp'
dev.url = 'http://www.acme.org'
dev.info = 'My fake lamp'
# add an xAAL attribute 'light'
light = dev.new_attribute('light')
# declare two device methods ON & OFF
def on():
light.value = True
def off():
light.value = False
dev.add_method('turn_on',on)
dev.add_method('turn_off',off)
# last step, create an engine and register the lamp
eng = Engine()
eng.add_device(dev)
eng.run()
FAQ
~~~
The core engine run forever so how can I use it in webserver, GUI or to develop device
with IO. The whole API is absolutely not thread safe, so **don't use threads** unless you
exactly know what's going on. Anyways, you have several options to fix this issue:
* You can use you own loop and periodically call *eng.loop()*
for example, you can do something like this:
.. code:: python
while 1:
do_some_stuff()
eng.loop()
* You can use a engine timer, to perform some stuff.
.. code:: python
def read_io():
pass
# call the read_io function every 10 sec
eng.add_timer(read_io,10)
eng.run()
* Use the **AsyncEngine**. Python version > 3.8 provides async programming with **asyncio** package.
*AsyncEngine* use the same API as *Engine*, but it is a **asynchronous** engine. You can use
*coroutines* in device methods, timers functions and callbacks. It provides additionals features
like the *on_start* and *on_stop* callbacks.
* Use an alternate coroutine lib, you can use **gevent** or **greenlet** for example. Look at
apps/rest for a simple greenlet example.
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"description": "\nxaal.lib\n========\n**xaal.lib** is the official Python stack to develop home-automation devices and gateways\nwith the xAAL protocol. For a full description of the protocol check out\nhttp://recherche.imt-atlantique.fr/xaal/\n\n\nDependencies\n~~~~~~~~~~~~\nxaal.lib depends on :\n * cbor2\n * pysodium\n * configobj\n * coloredlogs\n * decorator\n * tabulate\n * aioconsole\n\n\nInstall\n~~~~~~~\nPlease refer to the official `full documentation to install the lib in a virtualenv\n<https://redmine.imt-atlantique.fr/svn/xaal/code/Python/branches/0.7/README.html>`_\n\n\nUsage\n~~~~~\nThe main goal of xaal.lib is to provide an API to easily develop devices & gateways.\n**xaal.lib.Engine send / receive / parse to|from xAAL Bus**.\n\n\nTo receive / parse / display incoming xAAL messages, you can simply try something like\nthis:\n\n.. code-block:: python\n\n from xaal.lib import Engine\n\n def display(msg):\n print(msg)\n\n eng = Engine()\n eng.subscribe(display)\n eng.run()\n\nThe Engine will call the display function every time it receive a xAAL message.\n\nLet's take a look at a simple lamp device :\n\n.. code-block:: python\n\n from xaal.lib import Device,Engine,tools\n\n # create and configure the lamp device, with a random address\n dev = Device(\"lamp.basic\", tools.get_random_uuid())\n dev.product_id = 'Dummy Lamp'\n dev.url = 'http://www.acme.org'\n dev.info = 'My fake lamp'\n\n # add an xAAL attribute 'light'\n light = dev.new_attribute('light')\n\n # declare two device methods ON & OFF\n def on():\n light.value = True\n\n def off():\n light.value = False\n\n dev.add_method('turn_on',on)\n dev.add_method('turn_off',off)\n\n # last step, create an engine and register the lamp\n eng = Engine()\n eng.add_device(dev)\n eng.run()\n\n\nFAQ\n~~~\nThe core engine run forever so how can I use it in webserver, GUI or to develop device\nwith IO. The whole API is absolutely not thread safe, so **don't use threads** unless you\nexactly know what's going on. Anyways, you have several options to fix this issue:\n\n* You can use you own loop and periodically call *eng.loop()*\n for example, you can do something like this:\n\n .. code:: python\n\n while 1:\n do_some_stuff()\n eng.loop()\n\n* You can use a engine timer, to perform some stuff.\n\n .. code:: python\n\n def read_io():\n pass\n\n # call the read_io function every 10 sec\n eng.add_timer(read_io,10)\n eng.run()\n\n* Use the **AsyncEngine**. Python version > 3.8 provides async programming with **asyncio** package.\n *AsyncEngine* use the same API as *Engine*, but it is a **asynchronous** engine. You can use\n *coroutines* in device methods, timers functions and callbacks. It provides additionals features\n like the *on_start* and *on_stop* callbacks.\n\n* Use an alternate coroutine lib, you can use **gevent** or **greenlet** for example. Look at\n apps/rest for a simple greenlet example.\n",
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