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# Table of contents
* [CraftBeerPi](README.md)
* [Development](development.md)

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development.md Normal file
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# Development
## Custom Sensor
```python
# -*- coding: utf-8 -*-
import asyncio
import random
import re
import random
from aiohttp import web
from cbpi.api import *
@parameters([Property.Number(label="Param1", configurable=True),
Property.Text(label="Param2", configurable=True, default_value="HALLO"),
Property.Select(label="Param3", options=[1,2,4]),
Property.Sensor(label="Param4"),
Property.Actor(label="Param5")])
class CustomSensor(CBPiSensor):
def __init__(self, cbpi, id, props):
super(CustomSensor, self).__init__(cbpi, id, props)
self.value = 0
@action(key="Test", parameters=[])
async def action1(self, **kwargs):
'''
A custom action. Which can be called from the user interface
'''
print("ACTION!", kwargs)
async def run(self):
'''
This method is executed asynchronousely
In this example the code is executed every second
'''
while self.running is True:
self.value = random.randint(0,50)
self.push_update(self.value)
await asyncio.sleep(1)
def get_state(self):
# return the current state of the sensor
return dict(value=self.value)
def setup(cbpi):
'''
This method is called by the server during startup
Here you need to register your plugins at the server
:param cbpi: the cbpi core
:return:
'''
cbpi.plugin.register("CustomSensor", CustomSensor)
```