Пример #1
0
def _cb_deferred(ret, request, p_ctx, others, resource, cb=True):
    resp_code = p_ctx.transport.resp_code
    # If user code set its own response code, don't touch it.
    if resp_code is None:
        resp_code = HTTP_200
    request.setResponseCode(int(resp_code[:3]))

    _set_response_headers(request, p_ctx.transport.resp_headers)

    om = p_ctx.descriptor.out_message
    if cb and ((not issubclass(om, ComplexModelBase))
               or len(om._type_info) <= 1):
        p_ctx.out_object = [ret]
    else:
        p_ctx.out_object = ret

    retval = None
    if isinstance(ret, PushBase):
        retval = _init_push(ret, request, p_ctx, others, resource)
    else:
        resource.http_transport.get_out_string(p_ctx)

        producer = Producer(p_ctx.out_string, request)
        producer.deferred.addCallback(_cb_request_finished, request, p_ctx)
        producer.deferred.addErrback(_eb_request_finished, request, p_ctx)

        request.registerProducer(producer, False)

    process_contexts(resource.http_transport, others, p_ctx)

    return retval
Пример #2
0
def _cb_deferred(retval, request, p_ctx, others, resource, cb=True):
    if cb and len(p_ctx.descriptor.out_message._type_info) <= 1:
        p_ctx.out_object = [retval]
    else:
        p_ctx.out_object = retval

    resource.http_transport.get_out_string(p_ctx)

    process_contexts(resource.http_transport, others, p_ctx)

    producer = Producer(p_ctx.out_string, request)
    producer.deferred.addCallback(_cb_request_finished, p_ctx, others,
                                  resource)
    producer.deferred.addErrback(_eb_request_finished, p_ctx, others, resource)

    request.registerProducer(producer, False)
Пример #3
0
def _cb_deferred(ret, request, p_ctx, others, resource, cb=True):
    resp_code = p_ctx.transport.resp_code
    # If user code set its own response code, don't touch it.
    if resp_code is None:
        resp_code = HTTP_200
    request.setResponseCode(int(resp_code[:3]))

    _set_response_headers(request, p_ctx.transport.resp_headers)

    om = p_ctx.descriptor.out_message
    single_class = None
    if cb:
        if p_ctx.descriptor.body_style in (BODY_STYLE_BARE, BODY_STYLE_EMPTY):
            p_ctx.out_object = [ret]

        elif (not issubclass(om, ComplexModelBase)) or len(om._type_info) <= 1:
            p_ctx.out_object = [ret]
            if len(om._type_info) == 1:
                single_class, = om._type_info.values()
        else:
            p_ctx.out_object = ret
    else:
        p_ctx.out_object = ret

    retval = NOT_DONE_YET

    p_ctx.out_stream = request
    if isinstance(ret, PushBase):
        retval = _init_push(ret, request, p_ctx, others, resource)

    elif ((isclass(om) and issubclass(om, File)) or
          (isclass(single_class) and issubclass(single_class, File))) and \
         isinstance(p_ctx.out_protocol, HttpRpc) and \
                                      getattr(ret, 'abspath', None) is not None:

        file = static.File(ret.abspath,
                        defaultType=str(ret.type) or 'application/octet-stream')
        retval = _render_file(file, request)
        if retval != NOT_DONE_YET and cb:
            request.write(retval)
            request.finish()
            p_ctx.close()
        else:
            def _close_only_context(ret):
                p_ctx.close()

            request.notifyFinish().addCallback(_close_only_context)
            request.notifyFinish().addErrback(_eb_request_finished, request, p_ctx)

    else:
        resource.http_transport.get_out_string(p_ctx)

        producer = Producer(p_ctx.out_string, request)
        producer.deferred.addCallback(_cb_request_finished, request, p_ctx)
        producer.deferred.addErrback(_eb_request_finished, request, p_ctx)

        request.registerProducer(producer, False)

    process_contexts(resource.http_transport, others, p_ctx)

    return retval
Пример #4
0
def _cb_deferred(ret, request, p_ctx, others, resource, cb=True):
    ### set response headers
    resp_code = p_ctx.transport.resp_code

    # If user code set its own response code, don't touch it.
    if resp_code is None:
        resp_code = HTTP_200
    request.setResponseCode(int(resp_code[:3]))

    _set_response_headers(request, p_ctx.transport.resp_headers)

    ### normalize response data
    om = p_ctx.descriptor.out_message
    single_class = None
    if cb:
        if p_ctx.descriptor.is_out_bare():
            p_ctx.out_object = [ret]

        elif (not issubclass(om, ComplexModelBase)) or len(om._type_info) <= 1:
            p_ctx.out_object = [ret]
            if len(om._type_info) == 1:
                single_class, = om._type_info.values()
        else:
            p_ctx.out_object = ret
    else:
        p_ctx.out_object = ret

    ### start response
    retval = NOT_DONE_YET

    if isinstance(ret, PushBase):
        resource.http_transport.init_root_push(ret, p_ctx, others)

    elif ((isclass(om) and issubclass(om, File)) or
          (isclass(single_class) and issubclass(single_class, File))) and \
         isinstance(p_ctx.out_protocol, HttpRpc) and \
                                      getattr(ret, 'abspath', None) is not None:

        file = static.File(ret.abspath,
                           defaultType=str(ret.type)
                           or 'application/octet-stream')
        retval = _render_file(file, request)
        if retval != NOT_DONE_YET and cb:
            request.write(retval)
            request.finish()
            p_ctx.close()
        else:

            def _close_only_context(ret):
                p_ctx.close()

            request.notifyFinish() \
                .addCallback(_close_only_context) \
                .addErrback(_eb_request_finished, request, p_ctx) \
                .addErrback(log_and_let_go, logger)

    else:
        ret = resource.http_transport.get_out_string(p_ctx)

        if not isinstance(ret, Deferred):
            producer = Producer(p_ctx.out_string, request)
            producer.deferred \
                .addCallback(_cb_request_finished, request, p_ctx) \
                .addErrback(_eb_request_finished, request, p_ctx) \
                .addErrback(log_and_let_go, logger)

            try:
                request.registerProducer(producer, False)
            except Exception as e:
                logger_server.exception(e)
                try:
                    _eb_deferred(Failure(), request, p_ctx, others, resource)
                except Exception as e:
                    logger_server.exception(e)
                    raise

        else:

            def _cb(ret):
                if isinstance(ret, Deferred):
                    return ret \
                        .addCallback(_cb) \
                        .addErrback(_eb_request_finished, request, p_ctx) \
                        .addErrback(log_and_let_go, logger)
                else:
                    return _cb_request_finished(ret, request, p_ctx)

            ret \
                .addCallback(_cb) \
                .addErrback(_eb_request_finished, request, p_ctx) \
                .addErrback(log_and_let_go, logger)

    process_contexts(resource.http_transport, others, p_ctx)

    return retval