feat: add skydio_x2 quadrotor

Author: lvjonok

robot_descriptions/_descriptions.py

@@ -105,6 +105,8 @@ def has_urdf(self) -> bool:
     "romeo_description": Description(Format.URDF),
     "shadow_hand_mj_description": Description(Format.MJCF),
     "simple_humanoid_description": Description(Format.URDF),
+    "skydio_x2_description": Description(Format.URDF),
+    "skydio_x2_mj_description": Description(Format.MJCF),
     "solo_description": Description(Format.URDF),
     "spryped_description": Description(Format.URDF),
     "stretch_description": Description(Format.URDF),

robot_descriptions/_repositories.py

@@ -247,4 +247,9 @@ class Repository:
         commit="3bc5251b7255641d275de8c6b949e13bf1a608ea",
         cache_path="upkie_description",
     ),
+    "skydio_x2_description": Repository(
+        url="https://github.com/lvjonok/skydio_x2_description.git",
+        commit="9a6a057a055babaf47119fac42c361fffc189128",
+        cache_path="skydio_x2_description",
+    )
 }

robot_descriptions/skydio_x2_description.py

@@ -0,0 +1,21 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# SPDX-License-Identifier: Apache-2.0
+# Copyright 2024 Stéphane Caron
+
+"""Skydio X2 description."""
+
+from os import getenv as _getenv
+from os import path as _path
+
+from ._cache import clone_to_cache as _clone_to_cache
+
+REPOSITORY_PATH: str = _clone_to_cache(
+    "skydio_x2_description",
+    commit=_getenv("ROBOT_DESCRIPTION_COMMIT", None),
+)
+
+PACKAGE_PATH: str = _path.join(REPOSITORY_PATH)
+
+URDF_PATH: str = _path.join(PACKAGE_PATH, "urdf", "skydio_x2.urdf")

robot_descriptions/skydio_x2_mj_description.py

@@ -0,0 +1,21 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# SPDX-License-Identifier: Apache-2.0
+# Copyright 2022 Stéphane Caron
+
+"""Skydio X2 MJCF description."""
+
+from os import getenv as _getenv
+from os import path as _path
+
+from ._cache import clone_to_cache as _clone_to_cache
+
+REPOSITORY_PATH: str = _clone_to_cache(
+    "mujoco_menagerie",
+    commit=_getenv("ROBOT_DESCRIPTION_COMMIT", None),
+)
+
+PACKAGE_PATH: str = _path.join(REPOSITORY_PATH, "skydio_x2")
+
+MJCF_PATH: str = _path.join(PACKAGE_PATH, "x2.xml")