python: Export UHD paths utility functions

All of the functions defined in uhd/utils/paths.hpp are now available in
Python, with the exception of get_module_paths().

    #!/usr/bin/env python3
    import uhd
    print(uhd.get_lib_path()) # Prints location of libuhd

3 files changed, 30 insertions, 0 deletions

diff --git a/host/lib/utils/paths_python.hpp b/host/lib/utils/paths_python.hpp
new file mode 100644
index 000000000..fb91ec373
--- /dev/null
+++ b/host/lib/utils/paths_python.hpp
@@ -0,0 +1,24 @@
+//
+// Copyright 2020 Ettus Research, a National Instruments Brand
+//
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+
+#ifndef INCLUDED_UHD_PATHS_PYTHON_HPP
+#define INCLUDED_UHD_PATHS_PYTHON_HPP
+
+#include <uhd/utils/paths.hpp>
+
+void export_paths(py::module& m)
+{
+    m.def("get_tmp_path", &uhd::get_tmp_path);
+    m.def("get_app_path", &uhd::get_app_path);
+    m.def("get_pkg_path", &uhd::get_pkg_path);
+    m.def("get_lib_path", &uhd::get_lib_path);
+    m.def("get_images_dir", &uhd::get_images_dir);
+    m.def("find_image_path", &uhd::find_image_path);
+    m.def("find_utility", &uhd::find_utility);
+    m.def("print_utility_error", &uhd::print_utility_error);
+}
+
+#endif /* INCLUDED_UHD_PATHS_PYTHON_HPP */
diff --git a/host/python/pyuhd.cpp b/host/python/pyuhd.cpp
index 19f87094e..9ce72c476 100644
--- a/host/python/pyuhd.cpp
+++ b/host/python/pyuhd.cpp
@@ -26,6 +26,7 @@ namespace py = pybind11;
 #include "usrp/fe_connection_python.hpp"
 #include "usrp/multi_usrp_python.hpp"
 #include "usrp/subdev_spec_python.hpp"
+#include "utils/paths_python.hpp"
 
 // We need this hack because import_array() returns NULL
 // for newer Python versions.
@@ -43,6 +44,10 @@ PYBIND11_MODULE(libpyuhd, m)
     // (otherwise we will see segmentation faults)
     init_numpy();
 
+    // Register paths submodule
+    auto paths_module = m.def_submodule("paths", "Path Utilities");
+    export_paths(paths_module);
+
     // Register types submodule
     auto types_module = m.def_submodule("types", "UHD Types");
 
diff --git a/host/python/uhd/__init__.py b/host/python/uhd/__init__.py
index bf37f5215..e12a0626a 100644
--- a/host/python/uhd/__init__.py
+++ b/host/python/uhd/__init__.py
@@ -11,3 +11,4 @@ from . import types
 from . import usrp
 from . import filters
 from . import rfnoc
+from .libpyuhd.paths import *