add requirements.txt and check.py script

requirements.txt

@@ -0,0 +1,3 @@
+raccoonlab-tools>=0.1.0
+autopilot-tools>=0.4.2
+wget>=3.2

scripts/check.py

@@ -0,0 +1,44 @@
+#!/usr/bin/env python3
+# This program is free software under the GNU General Public License v3.
+# See <https://www.gnu.org/licenses/> for details.
+# Author: Dmitry Ponomarev <[email protected]>
+"""
+This script checks whether the project is ready for use:
+- check submodules are initialized
+- check python dependencies are installed
+"""
+import os
+import sys
+import logging
+from pathlib import Path
+import warnings
+warnings.filterwarnings("ignore", category=DeprecationWarning)
+import pkg_resources
+
+REPO_DIR = Path(os.path.dirname(os.path.realpath(__file__))).parent.absolute()
+BUILD_DIR = os.path.join(REPO_DIR, "build")
+SUBMODULE_DIR = os.path.join(REPO_DIR, "uav_dynamics", "uav_hitl_dynamics")
+
+def check_folder_exist_and_not_empty(dir) -> bool:
+    return os.path.isdir(dir) and os.listdir(dir)
+
+def check_python_requirements(requirements_file='requirements.txt') -> None:
+    try:
+        with open(requirements_file, 'r') as f:
+            requirements = f.read().splitlines()
+        pkg_resources.require(requirements)
+    except pkg_resources.DistributionNotFound as e:
+        logging.error(e)
+        sys.exit(1)
+    except pkg_resources.VersionConflict as e:
+        logging.error(e)
+        sys.exit(1)
+
+def check_submodules() -> None:
+    if not check_folder_exist_and_not_empty(SUBMODULE_DIR):
+        logging.error("submodules not exist. Run: 'git submodule update --init --recursive'")
+        sys.exit(1)
+
+if __name__ == "__main__":
+    check_python_requirements()
+    check_submodules()