afm fonts have odd font weights

afm_fonts.py

# inspect the afm fonts
# I punted and went with: matplotlib.font_manager.weight_dict
# see: https://gist.github.com/zesty/de6f872908add8aca3c3a156431baa3b for the pretty stuff
# ref: Commonly used names for CSS font-weight values https://gist.github.com/lukaszgrolik/5849599

import pandas as pd
import matplotlib.font_manager
 
df = pd.DataFrame(
#     [(f.name, f.stretch, f.style, f.variant, f.weight, f.size) for f in matplotlib.font_manager.fontManager.ttflist] +
    [(f.name, f.stretch, f.style, f.variant, f.weight, f.size) for f in matplotlib.font_manager.fontManager.afmlist])
df.columns = ['name', 'stretch', 'style', 'variant', 'weight', 'size']

pd.options.display.max_rows = None

for col in df.columns:
    if col == 'name':
        continue
    print(df[col].value_counts())
    print()

df.sort_values(['name',"weight", 'style'])