125 lines
4.4 KiB
Python
125 lines
4.4 KiB
Python
import math
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import requests
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from PIL import Image, ImageDraw, ImageFont
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from staticmap import Polygon, StaticMap
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class AttribStaticMap(StaticMap, object):
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def __init__(self, *args, **kwargs):
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self.attribution = "© Stadia Maps © OpenMapTiles © OpenStreetMap"
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super(AttribStaticMap, self).__init__(*args, **kwargs)
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def _draw_features(self, image):
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super(AttribStaticMap, self)._draw_features(image)
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txt = Image.new("RGBA", image.size, (255, 255, 255, 0))
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# get a font
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# fnt = ImageFont.truetype('FreeMono.ttf', 12)
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fnt = ImageFont.load_default()
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# get a drawing context
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d = ImageDraw.Draw(txt)
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textSize = fnt.getbbox(self.attribution)
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textPosition = (image.size[0] - textSize[2], image.size[1] - textSize[3])
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offset = 2
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options = {"fill": (255, 255, 255, 180)}
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d.rectangle(
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[
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(textPosition[0] - (2 * offset), textPosition[1] - (2 * offset)),
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(
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textSize[2] + textPosition[0] + (2 * offset),
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textSize[3] + textPosition[1] + (2 * offset),
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),
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],
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**options
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)
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# draw text, full opacity
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d.text(
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(textPosition[0] - offset, textPosition[1] - offset),
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self.attribution,
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font=fnt,
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fill="black",
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)
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image.paste(txt, (0, 0), txt)
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scl_events_url = "https://utilisocial.io/datacapable/v2/p/scl/map/events"
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scl_events_response = requests.get(scl_events_url)
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try:
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scl_events = scl_events_response.json()
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except requests.JSONDecodeError:
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print("JSON could not be loaded from SCL API")
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raise
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with open("stadiamaps_api_key.secret", "r+") as stadiamaps_api_key_file:
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# Reading from a file
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stadiamaps_api_key = stadiamaps_api_key_file.read()
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map = AttribStaticMap(
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512,
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512,
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url_template="https://tiles.stadiamaps.com/tiles/outdoors/{z}/{x}/{y}.png?api_key="
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+ stadiamaps_api_key,
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)
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for ring in scl_events[0]["polygons"]["rings"]:
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polygon = Polygon(ring, "#F973167F", "#F97316", simplify=True)
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map.add_polygon(polygon)
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image = map.render()
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image.save("map.png", "PNG")
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try:
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def num2deg(xtile, ytile, zoom):
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n = 1 << zoom
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lon_deg = xtile / n * 360.0 - 180.0
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lat_rad = math.atan(math.sinh(math.pi * (1 - 2 * ytile / n)))
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lat_deg = math.degrees(lat_rad)
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return lat_deg, lon_deg
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center_lat_lon = num2deg(map.x_center, map.y_center, map.zoom)
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geocode_url = "http://gruezi-skyros.srv.gruezi.net:6664/reverse?lat={lat}&lon={lon}&format=geocodejson".format(
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lat=center_lat_lon[0], lon=center_lat_lon[1]
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)
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geocode_headers = {"User-Agent": "seattlecitylight-mastodon-bot"}
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geocode_response = requests.get(geocode_url, headers=geocode_headers)
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try:
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geocode = geocode_response.json()
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except requests.JSONDecodeError:
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print("JSON could not be loaded from nominatim API")
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raise
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if geocode["features"][0]["properties"]["geocoding"]["city"] != "Seattle":
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city_not_seattle_text = " of {}".format(
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geocode["features"][0]["properties"]["geocoding"]["city"]
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)
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else:
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city_not_seattle_text = ""
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if "locality" in geocode["features"][0]["properties"]["geocoding"]:
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locality = geocode["features"][0]["properties"]["geocoding"]
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if locality == "Uptown":
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locality = "Lower Queen Anne"
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alt_text = "A map showing the location of the outage, centered around {} in the {} area{}.".format(
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geocode["features"][0]["properties"]["geocoding"]["name"],
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locality,
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city_not_seattle_text,
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)
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elif "district" in geocode["features"][0]["properties"]["geocoding"]:
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alt_text = "A map showing the location of the outage, centered around {} in the {} area{}.".format(
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geocode["features"][0]["properties"]["geocoding"]["name"],
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geocode["features"][0]["properties"]["geocoding"]["district"],
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city_not_seattle_text,
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)
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else:
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alt_text = "A map showing the location of the outage, centered around {} in {}.".format(
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geocode["features"][0]["properties"]["geocoding"]["name"],
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geocode["features"][0]["properties"]["geocoding"]["city"],
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)
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except Exception:
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alt_text = "A map showing the location of the outage."
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print(alt_text)
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