Weather on the Event Day

wed's idea is to automate something I do pretty often: once I register for a run or triathlon event, I frequently check the city's weather forecast for the race's date and time in the previous days.

Requirements

You will need an OpenWeather API key as en environment variable called OPEN_WEATHER_API_KEY.

Use cases

Try wed --help.

Query a date and time followed by a location

Run wed with two arguments:

$ wed --when "2022-07-09 09:00" --location "Ottawa, ON"
🌤 26°C (feels like 27°C)  ☔ 40% chance of rain & 10% humidity 💨 4.2 km/h W

Or with a JSON output:

$ wed --when "2022-07-09 09:00" --location "Ottawa, ON" --json
{
    "temperature": 26,
    "feels_like": 27,
    "chance_of_rain": 0.4,
    "humidity": 0.1,
    "wind_speed": 4.2,
    "wind_direction": "W",
    "description": "scattered clouds",
}

Save an event

Run wed with three arguments:

$ wed --name "National Capital Triathlon" --when "2022-07-09 09:00" --location "Ottawa, ON, Canada"

Query saved events

Run wed with no arguments:

$ wed
🗓 National Capital Triathlon (Jul 7, 09:00) 🌐 Ottawa, ON, Canada
🌤 26°C (feels like 27°C) ☔ 40% chance of rain & 10% humidity 💨 4.2 km/h W

Or with a JSON output:

$ wed --json
[
    {
        "name": "National Capital Triathlon",
        "when": "2022-07-09 09:00:00",
        "location": "Ottawa, ON, Canada",
        "weather": {
            "temperature": 26,
            "feels_like": 27,
            "chance_of_rain": 0.4,
            "humidity": 0.1,
            "wind_speed": 4.2,
            "wind_direction": "W",
            "description": "scattered clouds",
        }
    }
]

Data sources

Convertion of location (city/country) to a latitude and longitude: Nominatin
Weather forecast:
- If t - 5 days: 3h forecast
- There are other endpoints (hourly closer to the event, daily up to 30 days from the event), but since they are paid, wed doesn't use them

Data management and persistence

The app automaticaly deletes past events when the app is run
The app igonres events that are more than 5 days ahead
Data is persisted in simple file ~/.wed

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