Isto:

    <div php-for="$foo as $key => $value">
        Chave: {{$key}} - Valor: {{$value}}
    </div>

Será convertido nisto antes de executar:

    <?php for ($foo as $key => $value): ?>
    <div>
        Chave: <?=$key?> - Valor: <?=$value?>
    </div>
    <?php endfor; ?>

Isto:

    <div php-if="$a > $b">
        Teste
    </div>

Será convertido nisto antes de executar:

    <?php if ($a > $b): ?>
    <div>
        Teste
    </div>
    <?php endif; ?>

Isto (neste caso php-if sempre tem "preferencia"):

@foreach($foo as $key => $value)
  <div>
    Chave: {{$key}} - Valor: {{$value}}
  </div>

for key, value in foo:
    div: Chave: {{key}} - {{value}}: {{value}}

pyinstaller -y --clean --paths C:\TEMP\env\Lib\site-packages\PyQt5\Qt\bin\

[ServiceContract]
public interface IOrdemServico
{
    [OperationContract]
    [WebGet(UriTemplate = "/listar-por-status/{codStatusOrdemServico}?limite={limite}&pagina={pagina}",
        ResponseFormat = WebMessageFormat.Json,
        RequestFormat = WebMessageFormat.Json)]
    List<Entities.OrdemServico> ListarPorStatus(string CodStatusOrdemServico, int limite = 15, int pagina = 1);

}