Python wrapper for byzanz-record to capture gifs

screencast.py

#!/usr/bin/env python

# You'll need to have `xrectsel` and `byzanz-record` installed

from __future__ import print_function
import re
import sys
import subprocess

if len(sys.argv) == 1:
  print("You must supply at least a filename")
  print(" -h for byzanz-record help")
else:
    if sys.argv[1] == "-h":
        print(subprocess.check_output(['byzanz-record', "--help"]))
    else:
        w,h,x,y = re.split("[+x]", subprocess.check_output(['xrectsel']).decode("utf8").rstrip("\n"))
        args = ['byzanz-record', "-x", x, "-y", y, "-w", w, "-h", h] + sys.argv[1:]
        print(" ".join(args))
        print(subprocess.check_output(args))