File _service:obs_scm:README.en.md of Package genmsg

# genmsg

#### Description
Standalone Python library for generating ROS message and service data structures for various languages

#### Software Architecture
Software architecture description
 
genmsg includes ROS message and service data structures for various languages

input:
```
genmsg/
├── CHANGELOG.rst
├── cmake
│   ├── genmsg-extras.cmake.em
│   ├── pkg-genmsg.cmake.em
│   ├── pkg-genmsg.context.in
│   ├── pkg-msg-extras.cmake.in
│   ├── pkg-msg-paths.cmake.develspace.in
│   └── pkg-msg-paths.cmake.installspace.in
├── CMakeLists.txt
├── doc
│   ├── conf.py
│   ├── developer.rst
│   ├── index.rst
│   ├── Makefile
│   ├── python_api.rst
│   ├── ros.png
│   └── usermacros.rst
├── package.xml
├── rosdoc.yaml
├── scripts
│   └── genmsg_check_deps.py
├── setup.py
├── src
│   └── genmsg
└── test
    ├── files
    ├── __init__.py
    ├── md5tests
    ├── test_genmsg_base.py
    ├── test_genmsg_command_line.py
    ├── test_genmsg_gentools.py
    ├── test_genmsg_msg_loader.py
    ├── test_genmsg_msgs.py
    ├── test_genmsg_names.py
    └── test_genmsg_srvs.py

```

#### Installation

1.  Download RPM

aarch64:

wget https://117.78.1.88/build/home:davidhan:branches:openEuler:22.03:LTS/standard_aarch64/aarch64/ros-noetic-ros-genmsg/ros-noetic-ros-genmsg-0.5.16-2.oe2203.aarch64.rpm

x86_64:

wget https://117.78.1.88/build/home:davidhan:branches:openEuler:22.03:LTS/standard_x86_64/x86_64/ros-noetic-ros-genmsg/ros-noetic-ros-genmsg-0.5.16-2.oe2203.x86_64.rpm

2.  Install RPM

aarch64:

sudo rpm -ivh ros-noetic-ros-genmsg-0.5.16-2.oe2203.aarch64.rpm --nodeps --force

x86_64:

sudo rpm -ivh ros-noetic-ros-genmsg-0.5.16-2.oe2203.x86_64.rpm --nodeps --force

#### Instructions

Dependence installation

sh /opt/ros/noetic/install_dependence.sh

Exit the following output file under the /opt/ros/noetic/ directory , Prove that the software installation is successful

output:
```
genmsg/
├── cmake.lock
├── env.sh
├── lib
│   ├── genmsg
│   │   ├── cmake.lock
│   │   └── genmsg_check_deps.py
│   ├── pkgconfig
│   │   └── genmsg.pc
│   └── python2.7
│       └── dist-packages
├── local_setup.bash
├── local_setup.sh
├── local_setup.zsh
├── setup.bash
├── setup.sh
├── _setup_util.py
├── setup.zsh
└── share
    └── genmsg
        └── cmake

```

#### Contribution

1.  Fork the repository
2.  Create Feat_xxx branch
3.  Commit your code
4.  Create Pull Request

#### Gitee Feature

1.  You can use Readme\_XXX.md to support different languages, such as Readme\_en.md, Readme\_zh.md
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