Get an executable's Arch Linux dependencies

get_lib_deps

#!/usr/bin/env python3

import sys
import os
import subprocess

def main():
    sop = subprocess.PIPE
    pkgs = []

    binfile = sys.argv[1]
    
    ldd = subprocess.Popen(["ldd", binfile], stdout=sop)
    bins = subprocess.Popen(["awk", "{print $3}"], stdin=ldd.stdout, stdout=sop) 
    outp = bins.communicate()[0]
    outp = outp.decode("utf-8") 
    outp_l = outp.split("\n")
    outp_l = [x for x in outp_l if x != ''] 
    
    for line in outp_l:
        pkg_owner = subprocess.Popen(["pacman", "-Qo", line], stdout=sop) 
        pkg_line = pkg_owner.communicate()[0].decode("utf-8")
        pkg_p = pkg_line.split()[4]
        pkgs.append(pkg_p)

    # Filter dups
    pkgs = sorted(list(set(pkgs)))
    for p in pkgs:
        print(p)

if __name__ == "__main__":
    if len(sys.argv) != 2:
        prog = os.path.basename(sys.argv[0])
        print(f"Usage: {prog} <binary file to analyze>")
        print("Find what packages a binary is dependent on")
        print("Gets the linked libraries from ldd and uses pacman")
        print("to determine which packages provide each file")
        sys.exit(1)
    main()