Add support for os.PathLike inputs in the parsers

Resolve: #974

api/python/src/pyutils.cpp

@@ -0,0 +1,26 @@
+#include "pyutils.hpp"
+
+namespace LIEF::py {
+result<std::string> path_to_str(nb::object pathlike) {
+  PyObject* buf = PyOS_FSPath(pathlike.ptr());
+  if (!buf) {
+    PyErr_Clear();
+    return make_error_code(lief_errors::conversion_error);
+  }
+
+  PyObject* native = nullptr;
+  std::string path_str;
+  if (PyUnicode_FSConverter(buf, &native) != 0) {
+    if (char* c_str = PyBytes_AsString(native)) {
+      path_str = c_str;
+    }
+  }
+  Py_XDECREF(native);
+  Py_DECREF(buf);
+  if (PyErr_Occurred()) {
+    PyErr_Clear();
+    return make_error_code(lief_errors::conversion_error);
+  }
+  return path_str;
+}
+}