Improved 7-Zip decompressor

Removed --static argument

Small fixes at variable names and f-strings

common/comp_szip.py

@@ -0,0 +1,47 @@
+#!/usr/bin/env python3
+#coding=utf-8
+
+"""
+Copyright (C) 2022 Plato Mavropoulos
+"""
+
+import os
+import subprocess
+
+from common.path_ops import project_root, safe_path
+from common.system import get_os_ver
+from common.system import printer
+
+# Get 7-Zip path
+def get_szip_path():
+    exec_name = '7z.exe' if get_os_ver()[1] else '7zzs'
+    
+    return safe_path(project_root(), ['external',exec_name])
+
+# Check if file is 7-Zip supported
+def is_szip_supported(in_path, padding=0):
+    try:
+        subprocess.run([get_szip_path(), 't', in_path, '-bso0', '-bse0', '-bsp0'], check=True)
+    except:
+        printer(f'Error: 7-Zip could not check support for file {in_path}!', padding)
+        
+        return False
+    
+    return True
+
+# Archive decompression via 7-Zip
+def szip_decompress(in_path, out_path, in_name, padding=0):
+    if not in_name: in_name = 'archive'
+    
+    try:
+        subprocess.run([get_szip_path(), 'x', '-aou', '-bso0', '-bse0', '-bsp0', '-o' + out_path, in_path], check=True)
+        
+        if not os.path.isdir(out_path): raise Exception('EXTRACT_DIR_MISSING')
+    except:
+        printer(f'Error: 7-Zip could not extract {in_name} file {in_path}!', padding)
+        
+        return 1
+    
+    printer(f'Succesfull {in_name} decompression via 7-Zip!', padding)
+    
+    return 0