md-svg-png.py

#!/usr/bin/python3.6

import os
import sys
import argparse
import re
from subprocess import call

parser = argparse.ArgumentParser(description='Convert a svn referenced in a markdown line into png.')
parser.add_argument('lines', nargs='?', type=argparse.FileType('r'), default=sys.stdin)

args = parser.parse_args()

# print(args.lines)

for l in args.lines:
    m = re.search('\((.+)\)', l)
    svg = m.group(1)

    if os.path.isfile('/tmp/scratchblocks.svg'):
        os.rename('/tmp/scratchblocks.svg', svg)

    call(['/home/ale/src/bin_etc/inkscape-svg-to-png.py', svg])
    print(l)