import ctypes
from subprocess import PIPE, Popen


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)


def ECmd(command):
    with disable_file_system_redirection():
        obj = Popen('powershell "' + command + '"', shell=True, stdout=PIPE, stderr=PIPE)
    out, err = obj.communicate()
    return out


PackageList = ECmd('Get-AppxPackage | Select Name, PackageFullName')
package = 'microsoft.windowscommunicationsapps'
if package in PackageList:
    ECmd('Get-AppxPackage Microsoft.windowscommunicationsapps | Remove-AppxPackage')
    if package not in ECmd('Get-AppxPackage | Select Name, PackageFullName'):
        print 'Windows mail app has been removed successfully'
    else:
        print 'Script execution failed'
elif PackageList != '' and package not in PackageList:
    print 'Windows package does not exists'
else:
    print 'Script execution failed'