From 6b7be35f4a10733fad85fc16a65bd39e02059c2d Mon Sep 17 00:00:00 2001 From: Watchfox <45469709+Watchfox@users.noreply.github.com> Date: Thu, 9 Jan 2020 08:40:10 +0100 Subject: [PATCH] Fix aurora sensor not converting latitude and longitude correctly (#28643) --- .../components/aurora/binary_sensor.py | 19 +- tests/components/aurora/test_binary_sensor.py | 6 +- tests/fixtures/aurora.txt | 479 +++++++++--------- 3 files changed, 262 insertions(+), 242 deletions(-) diff --git a/homeassistant/components/aurora/binary_sensor.py b/homeassistant/components/aurora/binary_sensor.py index 454c3ad2405..f8038bcced3 100644 --- a/homeassistant/components/aurora/binary_sensor.py +++ b/homeassistant/components/aurora/binary_sensor.py @@ -1,5 +1,6 @@ """Support for aurora forecast data sensor.""" from datetime import timedelta +from math import floor import logging from aiohttp.hdrs import USER_AGENT @@ -99,8 +100,6 @@ class AuroraData: """Initialize the data object.""" self.latitude = latitude self.longitude = longitude - self.number_of_latitude_intervals = 513 - self.number_of_longitude_intervals = 1024 self.headers = {USER_AGENT: HA_USER_AGENT} self.threshold = int(threshold) self.is_visible = None @@ -126,18 +125,22 @@ class AuroraData: def get_aurora_forecast(self): """Get forecast data and parse for given long/lat.""" raw_data = requests.get(URL, headers=self.headers, timeout=5).text + # We discard comment rows (#) + # We split the raw text by line (\n) + # For each line we trim leading spaces and split by spaces forecast_table = [ - row.strip(" ").split(" ") + row.strip().split() for row in raw_data.split("\n") if not row.startswith("#") ] # Convert lat and long for data points in table - converted_latitude = round( - (self.latitude / 180) * self.number_of_latitude_intervals - ) - converted_longitude = round( - (self.longitude / 360) * self.number_of_longitude_intervals + # Assumes self.latitude belongs to [-90;90[ (South to North) + # Assumes self.longitude belongs to [-180;180[ (West to East) + # No assumptions made regarding the number of rows and columns + converted_latitude = floor((self.latitude + 90) * len(forecast_table) / 180) + converted_longitude = floor( + (self.longitude + 180) * len(forecast_table[converted_latitude]) / 360 ) return forecast_table[converted_latitude][converted_longitude] diff --git a/tests/components/aurora/test_binary_sensor.py b/tests/components/aurora/test_binary_sensor.py index 1683e1951a0..f90c1e2bcca 100644 --- a/tests/components/aurora/test_binary_sensor.py +++ b/tests/components/aurora/test_binary_sensor.py @@ -74,11 +74,11 @@ class TestAuroraSensorSetUp(unittest.TestCase): entities.append(entity) config = {"name": "Test", "forecast_threshold": 1} - self.hass.config.longitude = 5 - self.hass.config.latitude = 5 + self.hass.config.longitude = 18.987 + self.hass.config.latitude = 69.648 aurora.setup_platform(self.hass, config, mock_add_entities) aurora_component = entities[0] - assert aurora_component.aurora_data.visibility_level == "5" + assert aurora_component.aurora_data.visibility_level == "16" assert aurora_component.is_on diff --git a/tests/fixtures/aurora.txt b/tests/fixtures/aurora.txt index 92bebf795fc..22e8d0c2476 100644 --- a/tests/fixtures/aurora.txt +++ b/tests/fixtures/aurora.txt @@ -1,114 +1,149 @@ +#Aurora Specification Tabular Values +# Product: Ovation Aurora Short Term Forecast +# Product Valid At: 2019-11-08 18:55 +# Product Generated At: 2019-11-08 18:25 +# +# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center. +# Please send comments and suggestions to SWPC.Webmaster@noaa.gov +# +# Missing Data: (n/a) +# Cadence: 5 minutes +# +# Tabular Data is on the following grid +# +# 1024 values covering 0 to 360 degrees in the horizontal (longitude) direction (0.32846715 degrees/value) +# 512 values covering -90 to 90 degrees in the vertical (latitude) direction (0.3515625 degrees/value) +# Values range from 0 (little or no probability of visible aurora) to 100 (high probability of visible aurora) +# + 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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