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69 lines
2.7 KiB
Python
69 lines
2.7 KiB
Python
from django.core.management.base import BaseCommand, CommandError
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from call.models import Creature
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import weasyprint as wsp
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import subprocess
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from django.urls import reverse
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from urllib.parse import urljoin, urlencode
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from PIL import Image
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import os
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class Command(BaseCommand):
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help = "Generates an animation"
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def add_arguments(self, parser):
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parser.add_argument("--baseurl", default="http://localhost:8000/")
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parser.add_argument("--output", default="animation_{width}x{height}.gif")
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parser.add_argument("--width", type=int, default=500)
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parser.add_argument("--height", type=int, default=500)
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parser.add_argument("--scale", type=int, default=6)
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def handle(self, *args, **options):
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baseurl = options['baseurl']
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width = options['width']
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height = options['height']
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scale = options['scale']
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output_filename = options['output'].format(**{'width': width, 'height': height})
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# url = "http://localhost:8000/creatures/39/"
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# w = wsp.HTML(url=url)
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# w.write_pdf("test.pdf")
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#
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# frames = []
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frameno = 0
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convert_args = ["convert", "-delay", "25"]
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qvars = {'width': width, 'height': height, 'scale': scale}
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for creature in Creature.objects.filter(published=True).order_by("-created"):
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url = urljoin(baseurl, reverse("creature_detail", args=[creature.id,]))
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print (creature, url)
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qvars['cell'] = 0
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w = wsp.HTML(url=f"{url}?{urlencode(qvars)}")
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w.write_pdf("temp.pdf")
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subprocess.run(["convert", "-density", "96", "temp.pdf", "temp.png"])
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# frames.append(Image.open("temp.png"))
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fn1 = f"frame{frameno:04}.png"
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os.rename("temp.png", fn1)
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frameno += 1
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convert_args.append(fn1)
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qvars['cell'] = 3
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w = wsp.HTML(url=f"{url}?{urlencode(qvars)}")
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w.write_pdf("temp.pdf")
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subprocess.run(["convert", "-density", "96", "temp.pdf", "temp.png"])
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# frames.append(Image.open("temp.png"))
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fn2 = f"frame{frameno:04}.png"
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os.rename("temp.png", fn2)
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frameno += 1
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convert_args.append(fn2)
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for i in range(7):
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convert_args.append(fn1)
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convert_args.append(fn2)
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# convert -delay 100 "frame????.png" "animation.imc.gif"
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convert_args.append(output_filename)
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subprocess.run(convert_args)
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subprocess.run("rm temp.pdf frame*.png", shell=True)
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# # self.stdout.write(
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# # self.style.SUCCESS('Successfully closed poll "%s"' % poll_id)
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# # )
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