fix: python binding for new API

Author: patrislav1

pyudmaio/src/DataHandlerPython.cpp

@@ -22,7 +22,7 @@ DataHandlerPython::DataHandlerPython(std::shared_ptr<UioAxiDmaIf> dma_ptr,
     , _mem_ptr(mem_ptr) {}
 
 void DataHandlerPython::start(int nr_pkts, size_t pkt_size, bool init_only) {
-    _desc_ptr->init_buffers(*_mem_ptr, nr_pkts, pkt_size);
+    _desc_ptr->init_buffers(_mem_ptr, nr_pkts, pkt_size);
 
     uintptr_t first_desc = _desc_ptr->get_first_desc_addr();
     _dma_ptr->start(first_desc);
@@ -56,12 +56,9 @@ py::array_t<uint8_t> DataHandlerPython::numpy_read_nb() {
         throw std::runtime_error("DMA has experienced an error");
     }
 
-    std::vector<UioRegion> full_bufs = _desc_ptr->get_full_buffers();
-    auto vec = new std::vector<uint8_t>();
+    auto full_bufs = _desc_ptr->get_full_buffers();
+    auto vec = new std::vector<uint8_t>(_desc_ptr->read_buffers(full_bufs));
 
-    for (auto& buf : full_bufs) {
-        _mem_ptr->append_from_buf(buf, *vec);
-    }
     // Callback for Python garbage collector
     py::capsule gc_callback(vec, [](void* f) {
         auto ptr = reinterpret_cast<std::vector<uint8_t>*>(f);