make sheet of current of a font in RoboFont

makeLog.py

# this is a script that creates a .pdf of current font with given letters
# custom settings file can be provided in folder where the output goes to

import drawBot as db
from pathlib import Path
import json
from datetime import datetime

db.newDrawing()
db.size('A4Landscape')

f = CurrentFont()
uniMap = {k:v[0] for k,v in f.getCharacterMapping().items()}

path = Path(f.path)

#print(dir(f.info))

logs = path.parent/f'logs_{path.stem}'
if not logs.exists():
    logs.mkdir()

if 'settings.json' in logs.glob('.json'):
    with open(logs/'settings.json') as inputFile:
        settings = json.load(inputFile)
else:
    settings = {
        'rows': [
            'ABCDEFGHIJKLM',
            'NOPQRSTUVWXYZ',
            'abcdefghijklm',
            'nopqrstuvwxyz',
            '0123456789'],
        'fontSize': 20,
        'lineHeight': 1.2
        }
scaleRatio = 0.06# settings['fontSize']
db.translate(10, db.height())

bezier = db.BezierPath()
for row in settings['rows']:
    rowWidth = 0
    for character in row:
        glyphName = uniMap.get(ord(character))
        if glyphName in f:
            glyph = f[glyphName]
            bezier.addGlyph(glyph)
            bezier.translate(-glyph.width, 0)
            rowWidth += glyph.width
    bezier.translate(rowWidth, -f.info.unitsPerEm*settings['lineHeight'])

db.scale(scaleRatio, scaleRatio)        
db.drawPath(bezier)



now = datetime.now()
time = now.strftime("%Y_%m_%d_%H-%M-%S")
imagePath = str((logs/f'{time}.pdf').absolute())

db.endDrawing()
db.saveImage(imagePath)