Added AMI PFAT RSA 3K signed blocks support

Added AMI PFAT nested detection at each file

Added Award BIOS payload naming at each file

Switched Panasonic BIOS LZNT1 external library

Improved Panasonic LZNT1 detection and length

Improved Dell PFS code structure and fixed bugs

Improved code exception handling (raise, catch)

Improved code definitions (PEP8, docs, types)

Fixed some arguments missing from help screens

common/externals.py

@@ -1,38 +1,66 @@
-#!/usr/bin/env python3
-#coding=utf-8
+#!/usr/bin/env python3 -B
+# coding=utf-8
 
 """
-Copyright (C) 2022 Plato Mavropoulos
+Copyright (C) 2022-2024 Plato Mavropoulos
 """
 
 from common.path_ops import project_root, safe_path
 from common.system import get_os_ver
 
-# https://github.com/allowitsme/big-tool by Dmitry Frolov
-# https://github.com/platomav/BGScriptTool by Plato Mavropoulos
+
 def get_bgs_tool():
+    """
+    https://github.com/allowitsme/big-tool by Dmitry Frolov
+    https://github.com/platomav/BGScriptTool by Plato Mavropoulos
+    """
+
     try:
         # noinspection PyUnresolvedReferences
-        from external.big_script_tool import BigScript # pylint: disable=E0401,E0611
-    except Exception:
-        BigScript = None
-    
-    return BigScript
+        from external.big_script_tool import BigScript  # pylint: disable=C0415
 
-# Get UEFIFind path
-def get_uefifind_path():
-    exec_name = f'UEFIFind{".exe" if get_os_ver()[1] else ""}'
-    
-    return safe_path(project_root(), ['external', exec_name])
+        return BigScript
+    except ModuleNotFoundError:
+        pass
 
-# Get UEFIExtract path
-def get_uefiextract_path():
-    exec_name = f'UEFIExtract{".exe" if get_os_ver()[1] else ""}'
-    
-    return safe_path(project_root(), ['external', exec_name])
+    return None
+
+
+def get_comextract_path() -> str:
+    """ Get ToshibaComExtractor path """
 
-# Get ToshibaComExtractor path
-def get_comextract_path():
     exec_name = f'comextract{".exe" if get_os_ver()[1] else ""}'
-    
+
+    return safe_path(project_root(), ['external', exec_name])
+
+
+def get_szip_path() -> str:
+    """ Get 7-Zip path """
+
+    exec_name = '7z.exe' if get_os_ver()[1] else '7zzs'
+
+    return safe_path(project_root(), ['external', exec_name])
+
+
+def get_tiano_path() -> str:
+    """ Get TianoCompress path """
+
+    exec_name = f'TianoCompress{".exe" if get_os_ver()[1] else ""}'
+
+    return safe_path(project_root(), ['external', exec_name])
+
+
+def get_uefifind_path() -> str:
+    """ Get UEFIFind path """
+
+    exec_name = f'UEFIFind{".exe" if get_os_ver()[1] else ""}'
+
+    return safe_path(project_root(), ['external', exec_name])
+
+
+def get_uefiextract_path() -> str:
+    """ Get UEFIExtract path """
+
+    exec_name = f'UEFIExtract{".exe" if get_os_ver()[1] else ""}'
+
     return safe_path(project_root(), ['external', exec_name])