from ipyleaflet import (
    Map,
    Marker,
    TileLayer,
    ImageOverlay,
    Polyline,
    Polygon,
    Rectangle,
    Circle,
    CircleMarker,
    GeoJSON,
    DrawControl,
)

center = [34.6252978589571, -77.34580993652344]
zoom = 10

m = Map(center=center, zoom=zoom)
m

import matplotlib as mpl
import matplotlib.cm
import matplotlib.colors
import numpy as np


def n_colors(n, colormap=mpl.cm.Blues):
    data = np.linspace(0.0, 1.0, n)
    c = [mpl.colors.rgb2hex(d[0:3]) for d in colormap(data)]
    return c


def data_to_colors(data, colormap=mpl.cm.Blues):
    c = [mpl.colors.rgb2hex(d[0:3]) for d in colormap(mpl.colors.Normalize()(data))]
    return c

import json

with open("demo.json") as f:
    data = json.load(f)

n_features = len(data["features"])
colors = n_colors(n_features)
print(n_features)

colors

for feature, color in zip(data["features"], colors):
    feature["properties"]["style"] = {
        "color": color,
        "weight": 1,
        "fillColor": color,
        "fillOpacity": 0.5,
    }

data["features"][0]

g = GeoJSON(data=data)

m.add(g)

# m.remove_layer(g)

# g.close()