Optimisation: Pipe input svg directly into inkscape instead using temporary file

[saerdnaer]

intro-outro-generator/renderlib.py

Lines 150 to 163 in 7760bc9

	# open the output-file (named ".gen.svg" in the workdir)
	with open(os.path.join(task.workdir, '.gen.svg'), 'w') as fp:
	# write the generated svg-text into the output-file
	fp.write( etree.tostring(svg, encoding='unicode') )
	if task.outfile.endswith('.ts'):
	width = 1920
	height = 1080
	else:
	width = 1024
	height = 576
	# invoke inkscape to convert the generated svg-file into a png inside the .frames-directory
	cmd = 'cd {0} && inkscape --export-background=white --export-width={2} --export-height={3} --export-png=$(pwd)/.frames/{1:04d}.png $(pwd)/.gen.svg 2>&1 >/dev/null'.format(task.workdir, frameNr, width, height)