#!pip install squarify

import squarify

# these values define the coordinate system for the returned rectangles
# the values will range from x to x + width and y to y + height
x = 0.
y = 0.
width = 700.
height = 433.

values = [500, 433, 78, 25, 25, 7]

# values must be sorted descending (and positive, obviously)
values.sort(reverse=True)

# the sum of the values must equal the total area to be laid out
# i.e., sum(values) == width * height
values = squarify.normalize_sizes(values, width, height)

# returns a list of rectangles
rects = squarify.squarify(values, x, y, width, height)

# padded rectangles will probably visualize better for certain cases
padded_rects = squarify.padded_squarify(values, x, y, width, height)

print(padded_rects);

[{'x': 1.0, 'y': 1.0, 'dx': 325.7153558052434, 'dy': 431.0}, {'x': 328.7153558052434, 'y': 1.0, 'dx': 370.2846441947566, 'dy': 328.0862676056338}, {'x': 328.7153558052434, 'y': 331.0862676056338, 'dx': 213.0977944236371, 'dy': 100.9137323943662}, {'x': 543.8131502288805, 'y': 331.0862676056338, 'dx': 66.94160077680677, 'dy': 100.9137323943662}, {'x': 612.7547510056874, 'y': 331.0862676056338, 'dx': 86.24524899431273, 'dy': 78.40135343309854}, {'x': 612.7547510056874, 'y': 411.4876210387323, 'dx': 86.2452489943124, 'dy': 20.51237896126767}]