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calibrate_linear check not all from values same (#714)

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Fixes https://github.com/esphome/issues/issues/524
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Otto Winter 2019-10-17 21:35:59 +02:00 committed by GitHub
parent 9a40d6ef50
commit 6ceb975a3a
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1 changed files with 8 additions and 1 deletions
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9
esphome/components/sensor/__init__.py
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@ -200,8 +200,15 @@ def debounce_filter_to_code(config, filter_id):
yield var
def validate_not_all_from_same(config):
if all(conf[CONF_FROM] == config[0][CONF_FROM] for conf in config):
raise cv.Invalid("The 'from' values of the calibrate_linear filter cannot all point "
"to the same value! Please add more values to the filter.")
return config
@FILTER_REGISTRY.register('calibrate_linear', CalibrateLinearFilter, cv.All(
cv.ensure_list(validate_datapoint), cv.Length(min=2)))
cv.ensure_list(validate_datapoint), cv.Length(min=2), validate_not_all_from_same))
def calibrate_linear_filter_to_code(config, filter_id):
x = [conf[CONF_FROM] for conf in config]
y = [conf[CONF_TO] for conf in config]