esphome-docs/svg2png.py

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from pathlib import Path
import re
import shlex
import subprocess
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import threading
import queue
import sys
to_p = Path('svg2png')
to_p.mkdir(exist_ok=True)
for f in to_p.glob('*.png'):
f.unlink()
images = [f for f in Path('_build/html/_images/').glob('*.svg')
if not re.match(r'^seg[0-9A-F]{2}$', f.stem)]
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q = queue.Queue()
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def worker():
while True:
item = q.get()
if item is None:
break
to = to_p / item.with_suffix('.png').name
args = ['inkscape', '-z', '-e', str(to.absolute()), '-w', '800',
'-background', 'white', str(item.absolute())]
print("Running: {}".format(' '.join(shlex.quote(x) for x in args)))
proc = subprocess.run(args, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
if b'Bitmap saved as' not in proc.stdout:
print("Error!")
print(proc.stdout)
sys.exit(1)
q.task_done()
NUM_THREADS = 8
threads = []
for i in range(NUM_THREADS):
t = threading.Thread(target=worker)
t.start()
threads.append(t)
for img in sorted(images):
q.put(img)
q.join()
for i in range(NUM_THREADS):
q.put(None)
for t in threads:
t.join()