diff -r 9c1f429cb56b -r b47dfa7a137d src/eric7/SystemUtilities/OSUtilities.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/eric7/SystemUtilities/OSUtilities.py Sun Dec 18 19:33:46 2022 +0100
@@ -0,0 +1,189 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2022 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing Operating System related utility functions.
+"""
+
+import contextlib
+import ctypes
+import getpass
+import os
+import sys
+
+with contextlib.suppress(ImportError):
+ import pwd # only available on Unix systems
+
+
+###############################################################################
+## functions for platform handling
+###############################################################################
+
+
+def isWindowsPlatform():
+ """
+ Function to check, if this is a Windows platform.
+
+ @return flag indicating Windows platform
+ @rtype bool
+ """
+ return sys.platform.startswith(("win", "cygwin"))
+
+
+def isMacPlatform():
+ """
+ Function to check, if this is a Mac platform.
+
+ @return flag indicating Mac platform
+ @rtype bool
+ """
+ return sys.platform == "darwin"
+
+
+def isLinuxPlatform():
+ """
+ Function to check, if this is a Linux platform.
+
+ @return flag indicating Linux platform
+ @rtype bool
+ """
+ return sys.platform.startswith("linux")
+
+
+###############################################################################
+## functions for user handling
+###############################################################################
+
+
+def getUserName():
+ """
+ Function to get the user name.
+
+ @return user name (string)
+ """
+ user = getpass.getuser()
+
+ if isWindowsPlatform() and not user:
+ return win32_GetUserName()
+
+ return user
+
+
+def getRealName():
+ """
+ Function to get the real name of the user.
+
+ @return real name of the user (string)
+ """
+ if isWindowsPlatform():
+ return win32_getRealName()
+ else:
+ user = getpass.getuser()
+ return pwd.getpwnam(user).pw_gecos
+
+
+def getHomeDir():
+ """
+ Function to get a users home directory.
+
+ @return home directory (string)
+ """
+ return os.path.expanduser("~")
+
+
+###############################################################################
+## functions for environment handling
+###############################################################################
+
+
+def getEnvironmentEntry(key, default=None):
+ """
+ Module function to get an environment entry.
+
+ @param key key of the requested environment entry (string)
+ @param default value to be returned, if the environment doesn't contain
+ the requested entry (string)
+ @return the requested entry or the default value, if the entry wasn't
+ found (string or None)
+ """
+ if key in os.environ:
+ entryKey = key
+ elif isWindowsPlatform() and key.lower() in os.environ:
+ entryKey = key.lower()
+ else:
+ return default
+
+ return os.environ[entryKey].strip()
+
+
+def hasEnvironmentEntry(key):
+ """
+ Module function to check, if the environment contains an entry.
+
+ @param key key of the requested environment entry
+ @type str
+ @return flag indicating the presence of the requested entry
+ @rtype bool
+ """
+ return key in os.environ or (isWindowsPlatform() and key.lower() in os.environ)
+
+
+###############################################################################
+## posix compatibility functions below
+###############################################################################
+
+# None right now
+
+###############################################################################
+## win32 compatibility functions below
+###############################################################################
+
+
+def win32_Kill(pid):
+ """
+ Function to provide an os.kill equivalent for Win32.
+
+ @param pid process id (integer)
+ @return result of the kill (boolean)
+ """
+ import win32api # __IGNORE_WARNING_I102__
+
+ handle = win32api.OpenProcess(1, 0, pid)
+ return 0 != win32api.TerminateProcess(handle, 0)
+
+
+def win32_GetUserName():
+ """
+ Function to get the user name under Win32.
+
+ @return user name (string)
+ """
+ try:
+ import win32api # __IGNORE_WARNING_I10__
+
+ return win32api.GetUserName()
+ except ImportError:
+ try:
+ u = getEnvironmentEntry("USERNAME")
+ except KeyError:
+ u = getEnvironmentEntry("username", None)
+ return u
+
+
+def win32_getRealName():
+ """
+ Function to get the user's real name (aka. display name) under Win32.
+
+ @return real name of the current user (string)
+ """
+ GetUserNameEx = ctypes.windll.secur32.GetUserNameExW
+ NameDisplay = 3
+
+ size = ctypes.pointer(ctypes.c_ulong(0))
+ GetUserNameEx(NameDisplay, None, size)
+
+ nameBuffer = ctypes.create_unicode_buffer(size.contents.value)
+ GetUserNameEx(NameDisplay, nameBuffer, size)
+ return nameBuffer.value
