Microsoft Windows SDK Tools paths generator

def _sdk_tools(self):
        """
        Microsoft Windows SDK Tools paths generator
        """
        if self.vc_ver < 15.0:
            bin_dir = 'Bin' if self.vc_ver <= 11.0 else r'Bin\x86'
            yield os.path.join(self.si.WindowsSdkDir, bin_dir)

        if not self.pi.current_is_x86():
            arch_subdir = self.pi.current_dir(x64=True)
            path = 'Bin%s' % arch_subdir
            yield os.path.join(self.si.WindowsSdkDir, path)

        if self.vc_ver == 10.0 or self.vc_ver == 11.0:
            if self.pi.target_is_x86():
                arch_subdir = ''
            else:
                arch_subdir = self.pi.current_dir(hidex86=True, x64=True)
            path = r'Bin\NETFX 4.0 Tools%s' % arch_subdir
            yield os.path.join(self.si.WindowsSdkDir, path)

        elif self.vc_ver >= 15.0:
            path = os.path.join(self.si.WindowsSdkDir, 'Bin')
            arch_subdir = self.pi.current_dir(x64=True)
            sdkver = self.si.WindowsSdkLastVersion
            yield os.path.join(path, '%s%s' % (sdkver, arch_subdir))

        if self.si.WindowsSDKExecutablePath:
            yield self.si.WindowsSDKExecutablePath