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Fixed fastrtps version reading in microRTPS generation 

Issue addressed: ROS2 is built from source and
no system-wide version of fastrtps is installed

Signed-off-by: Beniamino Pozzan <beniamino.pozzan@phd.unipd.it>
This commit is contained in:
Beniamino Pozzan 2022-09-14 11:43:56 +02:00 committed by Daniel Agar
parent 4951ce0ed7
commit 2e83c3a465
1 changed files with 8 additions and 2 deletions
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10
msg/tools/generate_microRTPS_bridge.py
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@ -212,8 +212,14 @@ else:
"dpkg -s ros-" + ros2_distro + "-fastrtps 2>/dev/null | grep -i version", shell=True).decode("utf-8").strip()).group(1)
except subprocess.CalledProcessError:
# if ROS2 was installed from sources the command above fails, get the system-wide version instead
fastrtps_version = subprocess.check_output(
"ldconfig -v 2>/dev/null | grep libfastrtps", shell=True).decode("utf-8").strip().split('so.')[-1]
try:
fastrtps_version = subprocess.check_output(
"ldconfig -v 2>/dev/null | grep libfastrtps", shell=True).decode("utf-8").strip().split('so.')[-1]
except subprocess.CalledProcessError:
# if no system-wide version is found, look for the one provided by the source-installed ROS2
fastrtps_path = re.search(r'(?!\:)[^\:]*fastrtps\/lib(?=\:)', os.environ.get('LD_LIBRARY_PATH')).group(0)
fastrtps_version = subprocess.check_output(
"ls " + fastrtps_path, shell=True).decode("utf-8").strip().split('so.')[-1]
# If nothing specified it's generated both