Check last version, download, extract, compile snap7 on Raspberry PI (need 7zip)

install-snap7.py

#!/usr/bin/env python3

import glob
import os
import platform
import urllib.request
import re
import shutil
import sys

arch = {
  'x64': 'x86_64',
  'ia32': 'i386',
  'x86': 'i386',
  'armv7': 'arm_v7',
  'armv7l': 'arm_v7',
  'armv6': 'arm_v6'
}.get(platform.machine(), platform.machine())

with urllib.request.urlopen('https://sourceforge.net/projects/snap7/rss?path=/') as response:
  html = response.read().decode('utf-8')

m = re.search('snap7-full-(\d\.\d\.\d)\.7z', html)
version = m.group(1)

os.chdir("/tmp/")
pwd = os.getcwd()

print("Downloading snap7, version " + version + " ... ")

url = 'https://sourceforge.net/projects/snap7/files/' + version + '/snap7-full-' + version + '.7z/download'
urllib.request.urlretrieve(url, 'snap7-full-' + version + '.7z')

print ("Extracting files ...")

os.system('7zr x -y snap7-full-' + version +'.7z')
os.chdir(pwd + '/snap7-full-' + version + '/build/unix/')

print("Compiling ...")
os.system('make -f ' + arch + '_linux.mk all')

os.chdir(pwd + '/snap7-full-' + version + '/build/bin/' + arch + '-linux/')

shutil.copyfile('libsnap7.so', '/usr/lib/libsnap7.so')
shutil.copyfile('libsnap7.so', '/usr/local/lib/libsnap7.so')

os.chdir(pwd)
os.remove('snap7-full-' + version + '.7z')
shutil.rmtree('snap7-full-' + version + '')