auto-set-start-points-terminal.py

import os, operator
from fontParts.world import OpenFont

def autoStartPoints(glyph):
    if not glyph.bounds:
        return
    for contour in glyph:
        points = [(pt.x, pt.y, pt) for pt in contour.points if pt.type != 'offcurve']
        sortedPoints = sorted(points, key=operator.itemgetter(1, 0))
        firstPoint = sortedPoints[0][2]
        startSegmentIndex = [i for i, segment in enumerate(contour) if firstPoint in segment.points][0]
        contour.setStartSegment(startSegmentIndex)

def autoStartPointsRF(glyph):
    for contour in glyph:
        contour.autoStartSegment()

folder = '/_code/mutatorSans'
ufos = [os.path.join(folder, f) for f in os.listdir(folder) if os.path.splitext(f)[-1] == '.ufo']

glyphNames = ['A', 'B', 'C']

for ufo in ufos:
    font = OpenFont(ufo)
    for glyphName in glyphNames:
        if glyphName not in font:
            continue
        glyph = font[glyphName]
        autoStartPoints(glyph)
    font.save()