#!/usr/bin/python
# encoding: utf-8
# -*- coding: utf8 -*-
"""
Created by PyCharm.
File:        LinuxBashShellScriptForOps:getSystemVersion.py
User:        Guodong
Create Date:    2016/12/16
Create Time:    14:51
 """
import sys
import os
import platform
import subprocess
import codecs
import locale


def get_system_encoding():
  """
  The encoding of the default system locale but falls back to the given
  fallback encoding if the encoding is unsupported by python or could
  not be determined. See tickets #10335 and #5846
  """
  try:
    encoding = locale.getdefaultlocale()[1] or 'ascii'
    codecs.lookup(encoding)
  except Exception:
    encoding = 'ascii'
  return encoding


DEFAULT_LOCALE_ENCODING = get_system_encoding()

mswindows = (sys.platform == "win32") # learning from 'subprocess' module
linux = (sys.platform == "linux2")

hidden_hostname = True

if mswindows:
  uname = list(platform.uname())
  if hidden_hostname:
    uname[1] = "hidden_hostname"
  print uname

  import _winreg

  try:
    reg_key = _winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion")
    if reg_key:
      ProductName = _winreg.QueryValueEx(reg_key, "ProductName")[0] or None
      EditionId = _winreg.QueryValueEx(reg_key, "EditionId")[0] or None
      ReleaseId = _winreg.QueryValueEx(reg_key, "ReleaseId")[0] or None
      CurrentBuild = _winreg.QueryValueEx(reg_key, "CurrentBuild")[0] or None
      BuildLabEx = _winreg.QueryValueEx(reg_key, "BuildLabEx")[0][:9] or None
      print (ProductName, EditionId, ReleaseId, CurrentBuild, BuildLabEx)
  except Exception as e:
    print e.message.decode(DEFAULT_LOCALE_ENCODING)

if linux:
  uname = list(platform.uname())
  if hidden_hostname:
    uname[1] = "hidden_hostname"
  print uname

  proc_obj = subprocess.Popen(r'uname -a', shell=True, stdout=subprocess.PIPE,
                stderr=subprocess.STDOUT)
  result = proc_obj.stdout.read().strip().decode(DEFAULT_LOCALE_ENCODING)
  if result:
    print result

  if os.path.isfile("/proc/version"):
    with open("/proc/version", 'r') as f:
      content = f.read().strip()
    if content != "":
      print content

  if os.path.isfile("/etc/issue"):
    with open("/etc/issue", 'r') as f:
      content = f.read().strip()
    if content != "":
      print content