Enhance the Python IO interface

Related to #832

api/python/MachO/objects/pyParser.cpp

@@ -16,9 +16,12 @@
 #include <string>
 #include <memory>
 
+#include "PyIOStream.hpp"
+
 #include "LIEF/MachO/Parser.hpp"
 #include "LIEF/MachO/FatBinary.hpp"
 
+#include "logging.hpp"
 #include "pyMachO.hpp"
 
 namespace LIEF {
@@ -62,37 +65,13 @@ void create<Parser>(py::module& m) {
     py::return_value_policy::take_ownership);
 
   m.def("parse",
-    [] (py::object byteio, std::string name, const ParserConfig& config) {
-      const auto& io = py::module::import("io");
-      const auto& RawIOBase = io.attr("RawIOBase");
-      const auto& BufferedIOBase = io.attr("BufferedIOBase");
-      const auto& TextIOBase = io.attr("TextIOBase");
-
-      py::object rawio;
-
-
-      if (py::isinstance(byteio, RawIOBase)) {
-        rawio = byteio;
+    [] (py::object byteio, std::string name, const ParserConfig& config) -> py::object {
+      if (auto stream = PyIOStream::from_python(byteio)) {
+        auto ptr = std::make_unique<PyIOStream>(std::move(*stream));
+        return py::cast(MachO::Parser::parse(std::move(ptr), config));
       }
-
-      else if (py::isinstance(byteio, BufferedIOBase)) {
-        rawio = byteio.attr("raw");
-      }
-
-      else if (py::isinstance(byteio, TextIOBase)) {
-        rawio = byteio.attr("buffer").attr("raw");
-      }
-
-      else {
-        throw py::type_error(py::repr(byteio).cast<std::string>().c_str());
-      }
-
-      std::string raw_str = static_cast<py::bytes>(rawio.attr("readall")());
-      std::vector<uint8_t> raw = {
-        std::make_move_iterator(std::begin(raw_str)),
-        std::make_move_iterator(std::end(raw_str))};
-
-      return LIEF::MachO::Parser::parse(std::move(raw), name, config);
+      LIEF_ERR("Can't create a LIEF stream interface over the provided io");
+      return py::none();
     },
     R"delim(
     Parse the given binary from a Python IO interface and return a :class:`~lief.MachO.FatBinary` object