scrot_extended-mod.py

#!/home/msfz751/.pyenv/shims/python3
# #!/usr/bin/env python
# change to location of your preferred virtual environment
# Source:
# https://itectec.com/ubuntu/ubuntu-taking-screenshot-of-a-specific-area-from-the-command-line/

import subprocess
import os
import sys

# setting default directories / filenames
home = os.environ["HOME"]
temp = home + "/" + ".scrot_images"
img_in = temp + "/in.png"
#! remove temp previous image. ARR
os.remove( img_in)
# if you prefer, you can change the two line below:
output_directory = home +"/" + "scrot_images" # output directory
filename = "outputfile"                       # output filename
# creating needed directories if not exist
for dr in [temp, output_directory]:
    if not os.path.exists(dr):
        os.mkdir(dr)
# creating filename with suffix (-number) to prevent overwriting previous shots
n = 1
while True:
    img_out = output_directory + "/" + filename + "_" + str(n) + ".png"
    if os.path.exists(img_out):
        n = n + 1
    else:
        break
# reading arguments,arranging commands to perform
coords = sys.argv[1:5]      # read from command line
cmd1 = ["scrot", img_in]    # first command
# crop image with ImageMagik
cmd2 = ["convert", img_in, "-crop", coords[2] + "x"+coords[3] + "+"+coords[0] + "+" + coords[1], "+repage", img_out]
# Take screnshot, crop image. Execute
for cmd in [cmd1, cmd2]:
    subprocess.call(cmd)