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Add some more details and use extend

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Fabian Affolter 2016-08-14 10:06:15 +02:00
parent e6b65dd855
commit 860c4a932c
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1 changed files with 11 additions and 5 deletions
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source/developers/development_validation.markdown
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@ -21,6 +21,12 @@ Beside the [voluptuous](https://pypi.python.org/pypi/voluptuous) default types a
To validate plaforms using [MQTT](/components/mqtt/) there are `valid_subscribe_topic` and `valid_publish_topic` present.
Some things to keep in mind:
- Use the constants which are definded in `const.py`.
- Import `PLATFORM_SCHEMA` from parent component and extend it.
- Preferred order is `required` first, then `optional`.
### {% linkable_title Snippets %}
This section contains a couple of snippets for the validation we use.
@ -30,7 +36,7 @@ This section contains a couple of snippets for the validation we use.
```python
DEFAULT_NAME = 'Sensor name'
PLATFORM_SCHEMA = vol.Schema({
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
...
vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
```
@ -42,8 +48,8 @@ As all port numbers are coming out of the range 1 till 65535 a range check shoul
```python
DEFAULT_PORT = 993
PLATFORM_SCHEMA = vol.Schema({
[...]
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
...
vol.Optional(CONF_PORT, default=DEFAULT_PORT):
vol.All(vol.Coerce(int), vol.Range(min=1, max=65535)),
```
@ -58,8 +64,8 @@ SENSOR_TYPES = {
'average_download_rate': ('Average Speed', 'MB/s'),
}
PLATFORM_SCHEMA = vol.Schema({
....
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
...
vol.Optional(CONF_MONITORED_VARIABLES, default=[]):
[vol.In(SENSOR_TYPES)],
```