url_64bit = "https://script-downloads.itarian.com/IrfanViewPlugins/64bit/iview467_plugins_x64_setup.exe"
url_32bit = "https://script-downloads.itarian.com/IrfanViewPlugins/32bit/iview467_plugins_setup.exe"

import os
from subprocess import PIPE, Popen
import ctypes
import ssl
import urllib2

class disable_file_system_redirection:
    _disable = ctypes.windll.kernel32.Wow64DisableWow64FsRedirection
    _revert = ctypes.windll.kernel32.Wow64RevertWow64FsRedirection
    def __enter__(self):
        self.old_value = ctypes.c_long()
        self.success = self._disable(ctypes.byref(self.old_value))
    def __exit__(self, type, value, traceback):
        if self.success:
            self._revert(self.old_value)

with disable_file_system_redirection():
    arch=os.popen("wmic os get OSArchitecture").read()

if '64' in arch:
    url = url_64bit
else:
    url = url_32bit

def ecmd(command,name):
    obj = Popen(command, shell = True, stdout = PIPE, stderr = PIPE)
    out, err = obj.communicate()
    ret=obj.returncode
    if ret==0:
        if out:
            print(out.strip())
        print("%s has been successfully installed"%(name))
    else:
        if err:
            print("an error occured while installing %s: %s"%(name,err.strip()))
        else:
            print("something went wrong while installing %s"%(name))
            print("return code for %s: %s"%(name,ret))

def downloadFile(DownTo, fromURL):
    headers = {'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36'}
    context = ssl._create_unverified_context()
    request = urllib2.Request(fromURL, headers=headers)
    req = urllib2.urlopen(request,context=context)
    try:
        with open(DownTo, 'wb') as f:
            while True:
                chunk = req.read(100*1000*1000)
                if chunk:
                    f.write(chunk)
                else:
                    break
        if os.path.isfile(DownTo):
            return '{} - {}KB'.format(DownTo, os.path.getsize(DownTo)/1024)
		
    except:
        return 'Please Check URL or Download Path!'

Down_path=os.environ['TEMP']
Name = url.split("/")[-1]
DownTo = os.path.join(Down_path, Name)

print(downloadFile(DownTo, url))
ecmd('"%s" /silent'%(DownTo), "IrfanView Plugins")