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Add Input: Weather conditions from openweathermap.org for current and…
… future conditions; add speed and direction measurements; add m/s, knots, and bearing units; add conversions for the new units
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,175 @@ | ||
| # coding=utf-8 | ||
| # | ||
| # Copyright 2014 Matt Heitzenroder | ||
| # | ||
| # Licensed under the Apache License, Version 2.0 (the "License"); | ||
| # you may not use this file except in compliance with the License. | ||
| # You may obtain a copy of the License at | ||
| # | ||
| # http://www.apache.org/licenses/LICENSE-2.0 | ||
| # | ||
| # Unless required by applicable law or agreed to in writing, software | ||
| # distributed under the License is distributed on an "AS IS" BASIS, | ||
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| # See the License for the specific language governing permissions and | ||
| # limitations under the License. | ||
| # | ||
| # Python wrapper exposes the capabilities of the AOSONG AM2315 humidity | ||
| # and temperature sensor. | ||
| # The datasheet for the device can be found here: | ||
| # http://www.adafruit.com/datasheets/AM2315.pdf | ||
| # | ||
| # Portions of this code were inspired by Joehrg Ehrsam's am2315-python-api | ||
| # code. http://code.google.com/p/am2315-python-api/ | ||
| # | ||
| # This library was originally authored by Sopwith: | ||
| # http://sopwith.ismellsmoke.net/?p=104 | ||
| import copy | ||
|
|
||
| import requests | ||
| from flask_babel import lazy_gettext | ||
|
|
||
| from mycodo.inputs.base_input import AbstractInput | ||
| from mycodo.inputs.sensorutils import calculate_dewpoint | ||
| from mycodo.inputs.sensorutils import convert_from_x_to_y_unit | ||
|
|
||
| # Measurements | ||
| measurements_dict = { | ||
| 0: { | ||
| 'measurement': 'temperature', | ||
| 'unit': 'C' | ||
| }, | ||
| 1: { | ||
| 'measurement': 'humidity', | ||
| 'unit': 'percent' | ||
| }, | ||
| 2: { | ||
| 'measurement': 'pressure', | ||
| 'unit': 'Pa' | ||
| }, | ||
| 3: { | ||
| 'measurement': 'dewpoint', | ||
| 'unit': 'C' | ||
| }, | ||
| 4: { | ||
| 'measurement': 'speed', | ||
| 'unit': 'm_s', | ||
| 'name': 'Wind' | ||
| }, | ||
| 5: { | ||
| 'measurement': 'direction', | ||
| 'unit': 'bearing', | ||
| 'name': 'Wind' | ||
| } | ||
| } | ||
|
|
||
| # Input information | ||
| INPUT_INFORMATION = { | ||
| 'input_name_unique': 'WEATHER_OPENWEATHERMAP_CITY', | ||
| 'input_manufacturer': 'Weather', | ||
| 'input_name': 'OpenWeatherMap.org (City, Current)', | ||
| 'measurements_name': 'Humidity/Temperature/Pressure/Wind', | ||
| 'measurements_dict': measurements_dict, | ||
| 'url_additional': 'openweathermap.org', | ||
| 'measurements_rescale': False, | ||
|
|
||
| 'message': 'Obtain a free API key at openweathermap.org. ' | ||
| 'If the city you enter does not return measurements, try another city. ' | ||
| 'Note: the free API subscription is limited to 60 calls per minute', | ||
|
|
||
| 'options_enabled': [ | ||
| 'measurements_select', | ||
| 'period', | ||
| 'pre_output' | ||
| ], | ||
| 'options_disabled': ['interface'], | ||
|
|
||
| 'dependencies_module': [], | ||
| 'interfaces': ['Mycodo'], | ||
|
|
||
| 'custom_options': [ | ||
| { | ||
| 'id': 'api_key', | ||
| 'type': 'text', | ||
| 'default_value': '', | ||
| 'required': True, | ||
| 'name': lazy_gettext('API Key'), | ||
| 'phrase': lazy_gettext("The API Key for this service's API") | ||
| }, | ||
| { | ||
| 'id': 'city', | ||
| 'type': 'text', | ||
| 'default_value': '', | ||
| 'required': True, | ||
| 'name': lazy_gettext('City'), | ||
| 'phrase': "The city to acquire the weather data" | ||
| } | ||
| ] | ||
| } | ||
|
|
||
|
|
||
| class InputModule(AbstractInput): | ||
| """A sensor support class that gets weather for a city""" | ||
| def __init__(self, input_dev, testing=False): | ||
| super(InputModule, self).__init__(input_dev, testing=testing, name=__name__) | ||
|
|
||
| self.api_url = None | ||
| self.api_key = None | ||
| self.city = None | ||
| self.setup_custom_options( | ||
| INPUT_INFORMATION['custom_options'], input_dev) | ||
|
|
||
| if not testing: | ||
| self.initialize_input() | ||
|
|
||
| def initialize_input(self): | ||
| if self.api_key and self.city: | ||
| self.api_url = "http://api.openweathermap.org/data/2.5/weather?appid={key}&units=metric&q={city}".format( | ||
| key=self.api_key, city=self.city) | ||
| self.logger.debug("URL: {}".format(self.api_url)) | ||
|
|
||
| def get_measurement(self): | ||
| """ Gets the weather data """ | ||
| if not self.api_url: | ||
| self.logger.error("API Key and City required") | ||
| return | ||
|
|
||
| self.return_dict = copy.deepcopy(measurements_dict) | ||
|
|
||
| try: | ||
| response = requests.get(self.api_url) | ||
| x = response.json() | ||
| self.logger.debug("Response: {}".format(x)) | ||
|
|
||
| if x["cod"] != "404": | ||
| temperature = x["main"]["temp"] | ||
| pressure = x["main"]["pressure"] | ||
| humidity = x["main"]["humidity"] | ||
| wind_speed = x["wind"]["speed"] | ||
| wind_deg = x["wind"]["deg"] | ||
| else: | ||
| self.logger.error("City Not Found") | ||
| return | ||
| except Exception as e: | ||
| self.logger.error("Error acquiring weather information: {}".format(e)) | ||
| return | ||
|
|
||
| self.logger.debug("Temp: {}, Hum: {}, Press: {}, Wind Speed: {}, Wind Direction: {}".format( | ||
| temperature, humidity, pressure, wind_speed, wind_deg)) | ||
|
|
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| if self.is_enabled(0): | ||
| self.value_set(0, temperature) | ||
| if self.is_enabled(1): | ||
| self.value_set(1, humidity) | ||
| if self.is_enabled(2): | ||
| self.value_set(2, pressure) | ||
|
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| if self.is_enabled(0) and self.is_enabled(1) and self.is_enabled(3): | ||
| self.value_set(3, calculate_dewpoint(temperature, humidity)) | ||
|
|
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| if self.is_enabled(4): | ||
| self.value_set(4, wind_speed) | ||
| if self.is_enabled(5): | ||
| self.value_set(5, wind_deg) | ||
|
|
||
| return self.return_dict |
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