ttf.py

# Mapping between OpenWeather API icon name and Weather Icons' unicode value
#
# see:
# https://erikflowers.github.io/weather-icons/api-list.html
# https://github.com/erikflowers/weather-icons/blob/master/values/weathericons.xml
# https://openweathermap.org/api
# https://openweathermap.org/current#one
# https://openweathermap.org/forecast5

from xml.dom import minidom
import html

from PIL import ImageDraw, ImageFont


def icon_id_to_unicode_ttf(icon_id, sys_pod, xml_map):
    data = ''
    ico_name = "wi_owm_"
    if sys_pod == 'd':
        ico_name += "day_"
    elif sys_pod == 'n':
        ico_name += "night_"
    else:
        ico_name = "wi_"

    ico_name += icon_id
    xml_dom = minidom.parse(xml_map)
    strings = xml_dom.getElementsByTagName('string')

    for string in strings:
        if string.attributes['name'].value == ico_name:
            value = string.firstChild.nodeValue
            data = html.unescape(value)
    return data


def icon_to_unicode(icon, xml_map):
    # https://openweathermap.org/weather-conditions
    ow_iconId_map = {}

    # Group 2xx: Thunderstorm
    ow_iconId_map["11d"] = {"id": "200", "pod": "d"}
    ow_iconId_map["11n"] = {"id": "200", "pod": "n"}

    # Group 3xx: Drizzle
    ow_iconId_map["09d"] = {"id": "300", "pod": "d"}

    # Group 5xx: Rain
    ow_iconId_map["10d"] = {"id": "500", "pod": "d"}
    ow_iconId_map["10n"] = {"id": "500", "pod": "n"}
    ow_iconId_map["13d"] = {"id": "501", "pod": "d"}
    ow_iconId_map["13n"] = {"id": "501", "pod": "n"}
    ow_iconId_map["09d"] = {"id": "511", "pod": "d"}
    ow_iconId_map["09n"] = {"id": "511", "pod": "n"}

    # Group 6xx: Snow
    ow_iconId_map["13d"] = {"id": "600", "pod": "d"}
    ow_iconId_map["13n"] = {"id": "600", "pod": "n"}

    # Group 7xx: Atmosphere
    ow_iconId_map["50d"] = {"id": "701", "pod": "d"}
    ow_iconId_map["50n"] = {"id": "701", "pod": "n"}

    # Group 800: Clear
    ow_iconId_map["01d"] = {"id": "800", "pod": "d"}
    ow_iconId_map["01n"] = {"id": "800", "pod": "n"}

    # Group 80x: Clouds
    ow_iconId_map["02d"] = {"id": "801", "pod": "d"}
    ow_iconId_map["02n"] = {"id": "801", "pod": "n"}
    ow_iconId_map["03d"] = {"id": "802", "pod": "d"}
    ow_iconId_map["03n"] = {"id": "802", "pod": "n"}
    # ow_iconId_map["04d"] = {"id":"803", "pod":"d"}
    # ow_iconId_map["04n"] = {"id":"803", "pod":"n"}
    ow_iconId_map["04d"] = {"id": "804", "pod": "d"}
    ow_iconId_map["04n"] = {"id": "804", "pod": "n"}

    icon_id = ow_iconId_map[icon]["id"]
    sys_pod = ow_iconId_map[icon]["pod"]

    data = icon_id_to_unicode_ttf(icon_id, sys_pod, xml_map)
    return data

def get_text_size(draw: ImageDraw, text: str, font: ImageFont):
    """
    Get image text size
    :param draw: ImageDraw
    :param text: Text to get size from
    :param font: Font
    :return: (width, height)
    """

    wx0, hx0, wx1, hx1 =  draw.textbbox(xy=(0, 0), text=text, font=font)
    return wx1 - wx0, hx1 - hx0