Get package share directory using ament_index_python

Signed-off-by: Gonzalo de Pedro <[email protected]>

Author: gonzodepedro

rosidl_typesupport_protobuf_c/test/test_rosidl_cli_ts_pb_c.py

@@ -4,6 +4,7 @@
 import shutil
 import subprocess
 
+from ament_index_python import get_package_share_directory
 
 def test_ts_files_generation():
     build_then_install('/tmp/pb')
@@ -14,11 +15,12 @@ def build_then_install(output_path):
         shutil.rmtree(output_path)
     os.makedirs(output_path)
 
-#rosidl generate -ts protobuf_c -o /tmp/pb std_msgs ./install/std_msgs/share/std_msgs/msg/String.msg
-
+    package_share_path = pathlib.Path(
+            get_package_share_directory('std_msgs'))
+  
     subprocess.run([
         'rosidl', 'generate', '-ts', 'protobuf_c', '-o', output_path, 'std_msgs', './msg/String.msg'
-    ], cwd='/home/aeten/ros2_rolling/install/std_msgs/share/std_msgs', check=True)
+    ], cwd=package_share_path, check=True)
 
 def files_exists(output_path):
     assert pathlib.Path('/tmp/pb/tmp/msg/String.idl').exists()

rosidl_typesupport_protobuf_cpp/test/test_rosidl_cli_ts_pb_cpp.py

@@ -4,6 +4,7 @@
 import shutil
 import subprocess
 
+from ament_index_python import get_package_share_directory
 
 def test_ts_files_generation():
     build_then_install('/tmp/pb')
@@ -14,11 +15,12 @@ def build_then_install(output_path):
         shutil.rmtree(output_path)
     os.makedirs(output_path)
 
-#rosidl generate -ts protobuf_c -o /tmp/pb std_msgs ./install/std_msgs/share/std_msgs/msg/String.msg
-
+    package_share_path = pathlib.Path(
+            get_package_share_directory('std_msgs'))
+    
     subprocess.run([
         'rosidl', 'generate', '-ts', 'protobuf_cpp', '-o', output_path, 'std_msgs', './msg/String.msg'
-    ], cwd='/home/aeten/ros2_rolling/install/std_msgs/share/std_msgs', check=True)
+    ], cwd=package_share_path, check=True)
 
 def files_exists(output_path):
     assert pathlib.Path('/tmp/pb/tmp/msg/String.idl').exists()