More complete view of available fonts in matplotlib (jupyter)

fonts.py

# run this in a jupyter notebook; looks much better in jupyter lab
# based on: http://jonathansoma.com/lede/data-studio/matplotlib/list-all-fonts-available-in-matplotlib-plus-samples/
import matplotlib.font_manager
from IPython.core.display import HTML

def make_html(font, fonts):
    
    default_size = '26px'
    html = f"<p>{font}<br>"
    
    for f in fonts[font]:
        shared = f"font-stretch: {f[1]}; font-style: {f[2]}; font-variant: {f[3]}; font-weight: {f[4]}; font-size: {f[5] if f[5] != 'scalable' else default_size}; "
        style = f"font-family:{f[0]}; {shared}"
        tooltip = shared.replace('; ', '\n')
        html += f"<span title='{tooltip}' style='{style}'>THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG the quick brown fox jumps over the lazy dog 0123456789+-=~@#$%^&*_()[]{{}}<>\\|/`'\";:,.!?</span>&nbsp;&nbsp;&nbsp;{f[6]}<br>"
    html += '</p>'
    return html

def get_fonts():
    # 'fname', 'name', 'size', 'stretch', 'style', 'variant', 'weight'
    # omitting fname, because filename isn't interesting
    #           0         1         2         3           4           5        6
    fonts = [[f.name, f.stretch, f.style, f.variant, str(f.weight), f.size, '(afm)'] for f in matplotlib.font_manager.fontManager.afmlist] + \
            [[f.name, f.stretch, f.style, f.variant, str(f.weight), f.size, '(ttf)'] for f in matplotlib.font_manager.fontManager.ttflist]
    wts = matplotlib.font_manager.weight_dict
    for i, f in enumerate(fonts):
        if f[4] in wts.keys():
            f[4] = wts[f[4]]
        fonts[i] = tuple(f)
       
    fonts = list(set(fonts))
    fonts = [ f for f in fonts if not f[0].lower().startswith('noto') ] # TODO FIXME I'm not a fan of these <----------------- !!!!!!!!!!!!!!!!!!! LOOK !!!!!!!!!!!!!!!!!!!!!!!!!!!!
    #                 sort by name, stretch, weight, style
    fonts.sort(key=lambda x: (x[0] + x[1] + str(x[4]) + x[2]).lower().replace('normal', '000000').replace('regular', '000000')) # sort plain before italic, bold
    fontdict = { f[0] : [] for f in fonts }
    for f in fonts:
        fontdict[f[0]].append(f)
    return fontdict


def get_html():
    fonts = get_fonts()
    html = "\n".join([make_html(font, fonts) for font in fonts.keys()])
    return f"<div style='column-count: 1;'>{html}</div>"
    

HTML(get_html())