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2026-02-12 20:56:30 +08:00
commit fa96a6610a
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colcon

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# 本程序用于使用python创建ROS2节点
# 并切每隔一秒钟输出一次当前时间
import rclpy
from rclpy.node import Node
class TimeNode(Node):
def __init__(self):
# 调用父类构造函数,创建一个名为'time_node'的节点
super().__init__('time_node')
# 创建一个定时器每隔1秒钟调用一次timer_callback函数
# 使用 timer 接收,防止被垃圾回收机制回收掉
self.timer = self.create_timer(1.0,self.timer_callback)
def timer_callback(self):
# 获取当前时间
now = self.get_clock().now()
# 输出当前时间到日志
self.get_logger().info(f'Current time: {now}')
def main():
# 初始化ROS2客户端库
rclpy.init()
# 创建一个ROS2节点
node = TimeNode()
# 保持节点运行,直到被关闭
rclpy.spin(node)
# 关闭节点并清理资源
rclpy.shutdown()

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0

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# generated from colcon_core/shell/template/command_prefix.sh.em

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AMENT_PREFIX_PATH=/home/quella/ROS2_WS/Node_ws/py_node/install/py_node:/home/quella/ROS2_WS/Node_ws/cppNode/install/cpp_node:/home/quella/ROS2_WS/Node/py_node/install/py_node:/home/quella/ROS2_WS/Node/pyNode/install/pyNode:/opt/ros/humble
BROWSER=/home/quella/.vscode-server/cli/servers/Stable-bdd88df003631aaa0bcbe057cb0a940b80a476fa/server/bin/helpers/browser.sh
CMAKE_PREFIX_PATH=/home/quella/ROS2_WS/Node_ws/cppNode/install/cpp_node
COLCON=1
COLCON_PREFIX_PATH=/home/quella/ROS2_WS/Node_ws/cppNode/install:/home/quella/ROS2_WS/Node_ws/py_node/install:/home/quella/ROS2_WS/Node/py_node/install:/home/quella/ROS2_WS/Node/pyNode/install
COLORTERM=truecolor
CONDA_DEFAULT_ENV=base
CONDA_EXE=/home/quella/miniconda3/bin/conda
CONDA_PREFIX=/home/quella/miniconda3
CONDA_PROMPT_MODIFIER=(base)
CONDA_PYTHON_EXE=/home/quella/miniconda3/bin/python
CONDA_SHLVL=1
DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus
HOME=/home/quella
LANG=zh_CN.UTF-8
LANGUAGE=zh_CN:en
LC_ADDRESS=zh_CN.UTF-8
LC_IDENTIFICATION=zh_CN.UTF-8
LC_MEASUREMENT=zh_CN.UTF-8
LC_MONETARY=zh_CN.UTF-8
LC_NAME=zh_CN.UTF-8
LC_NUMERIC=zh_CN.UTF-8
LC_PAPER=zh_CN.UTF-8
LC_TELEPHONE=zh_CN.UTF-8
LC_TIME=zh_CN.UTF-8
LD_LIBRARY_PATH=/opt/ros/humble/opt/rviz_ogre_vendor/lib:/opt/ros/humble/lib/x86_64-linux-gnu:/opt/ros/humble/lib
LESSCLOSE=/usr/bin/lesspipe %s %s
LESSOPEN=| /usr/bin/lesspipe %s
LOGNAME=quella
LS_COLORS=rs=0:di=01;34:ln=01;36:mh=00:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01:mi=00:su=37;41:sg=30;43:ca=30;41:tw=30;42:ow=34;42:st=37;44:ex=01;32:*.tar=01;31:*.tgz=01;31:*.arc=01;31:*.arj=01;31:*.taz=01;31:*.lha=01;31:*.lz4=01;31:*.lzh=01;31:*.lzma=01;31:*.tlz=01;31:*.txz=01;31:*.tzo=01;31:*.t7z=01;31:*.zip=01;31:*.z=01;31:*.dz=01;31:*.gz=01;31:*.lrz=01;31:*.lz=01;31:*.lzo=01;31:*.xz=01;31:*.zst=01;31:*.tzst=01;31:*.bz2=01;31:*.bz=01;31:*.tbz=01;31:*.tbz2=01;31:*.tz=01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.war=01;31:*.ear=01;31:*.sar=01;31:*.rar=01;31:*.alz=01;31:*.ace=01;31:*.zoo=01;31:*.cpio=01;31:*.7z=01;31:*.rz=01;31:*.cab=01;31:*.wim=01;31:*.swm=01;31:*.dwm=01;31:*.esd=01;31:*.jpg=01;35:*.jpeg=01;35:*.mjpg=01;35:*.mjpeg=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35:*.svg=01;35:*.svgz=01;35:*.mng=01;35:*.pcx=01;35:*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.m2v=01;35:*.mkv=01;35:*.webm=01;35:*.webp=01;35:*.ogm=01;35:*.mp4=01;35:*.m4v=01;35:*.mp4v=01;35:*.vob=01;35:*.qt=01;35:*.nuv=01;35:*.wmv=01;35:*.asf=01;35:*.rm=01;35:*.rmvb=01;35:*.flc=01;35:*.avi=01;35:*.fli=01;35:*.flv=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.yuv=01;35:*.cgm=01;35:*.emf=01;35:*.ogv=01;35:*.ogx=01;35:*.aac=00;36:*.au=00;36:*.flac=00;36:*.m4a=00;36:*.mid=00;36:*.midi=00;36:*.mka=00;36:*.mp3=00;36:*.mpc=00;36:*.ogg=00;36:*.ra=00;36:*.wav=00;36:*.oga=00;36:*.opus=00;36:*.spx=00;36:*.xspf=00;36:
MOTD_SHOWN=pam
OLDPWD=/home/quella/ROS2_WS/Node_ws
PAPERSIZE=a4
PATH=/home/quella/.vscode-server/data/User/globalStorage/github.copilot-chat/debugCommand:/home/quella/.vscode-server/data/User/globalStorage/github.copilot-chat/copilotCli:/home/quella/.vscode-server/cli/servers/Stable-bdd88df003631aaa0bcbe057cb0a940b80a476fa/server/bin/remote-cli:/home/quella/miniconda3/bin:/home/quella/miniconda3/condabin:/opt/ros/humble/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin
PWD=/home/quella/ROS2_WS/Node_ws/py_node/build/py_node
PYTHONPATH=/home/quella/ROS2_WS/Node_ws/py_node/install/py_node/lib/python3.10/site-packages:/home/quella/ROS2_WS/Node/py_node/install/py_node/lib/python3.10/site-packages:/home/quella/ROS2_WS/Node/pyNode/install/pyNode/lib/python3.10/site-packages:/opt/ros/humble/lib/python3.10/site-packages:/opt/ros/humble/local/lib/python3.10/dist-packages
PYTHONSTARTUP=/home/quella/.vscode-server/data/User/workspaceStorage/fb064e484f24c3e3a601ac18f2be7228/ms-python.python/pythonrc.py
PYTHON_BASIC_REPL=1
ROS_DISTRO=humble
ROS_LOCALHOST_ONLY=0
ROS_PYTHON_VERSION=3
ROS_VERSION=2
SHELL=/bin/bash
SHLVL=1
SSH_CLIENT=192.168.231.1 5013 22
SSH_CONNECTION=192.168.231.1 5013 192.168.231.132 22
SSL_CERT_DIR=/usr/lib/ssl/certs
SSL_CERT_FILE=/usr/lib/ssl/certs/ca-certificates.crt
TERM=xterm-256color
TERM_PROGRAM=vscode
TERM_PROGRAM_VERSION=1.109.0
USER=quella
VSCODE_IPC_HOOK_CLI=/run/user/1000/vscode-ipc-e3fe636c-6ca2-43ae-b56d-1c65da85adcb.sock
VSCODE_PYTHON_AUTOACTIVATE_GUARD=1
XDG_DATA_DIRS=/usr/share/gnome:/usr/local/share:/usr/share:/var/lib/snapd/desktop
XDG_RUNTIME_DIR=/run/user/1000
XDG_SESSION_CLASS=user
XDG_SESSION_ID=4
XDG_SESSION_TYPE=tty
_=/usr/bin/colcon
_CE_CONDA=
_CE_M=
_CONDA_EXE=/home/quella/miniconda3/bin/conda
_CONDA_ROOT=/home/quella/miniconda3

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/home/quella/ROS2_WS/Node_ws/py_node/install/py_node/lib/python3.10/site-packages/py_node/py_node.py
/home/quella/ROS2_WS/Node_ws/py_node/install/py_node/lib/python3.10/site-packages/py_node/__init__.py
/home/quella/ROS2_WS/Node_ws/py_node/install/py_node/lib/python3.10/site-packages/py_node/__pycache__/py_node.cpython-310.pyc
/home/quella/ROS2_WS/Node_ws/py_node/install/py_node/lib/python3.10/site-packages/py_node/__pycache__/__init__.cpython-310.pyc
/home/quella/ROS2_WS/Node_ws/py_node/install/py_node/share/ament_index/resource_index/packages/py_node
/home/quella/ROS2_WS/Node_ws/py_node/install/py_node/share/py_node/package.xml
/home/quella/ROS2_WS/Node_ws/py_node/install/py_node/share/py_node/launch/py_node.launch.py
/home/quella/ROS2_WS/Node_ws/py_node/install/py_node/lib/python3.10/site-packages/py_node-0.0.0-py3.10.egg-info/top_level.txt
/home/quella/ROS2_WS/Node_ws/py_node/install/py_node/lib/python3.10/site-packages/py_node-0.0.0-py3.10.egg-info/requires.txt
/home/quella/ROS2_WS/Node_ws/py_node/install/py_node/lib/python3.10/site-packages/py_node-0.0.0-py3.10.egg-info/PKG-INFO
/home/quella/ROS2_WS/Node_ws/py_node/install/py_node/lib/python3.10/site-packages/py_node-0.0.0-py3.10.egg-info/entry_points.txt
/home/quella/ROS2_WS/Node_ws/py_node/install/py_node/lib/python3.10/site-packages/py_node-0.0.0-py3.10.egg-info/dependency_links.txt
/home/quella/ROS2_WS/Node_ws/py_node/install/py_node/lib/python3.10/site-packages/py_node-0.0.0-py3.10.egg-info/SOURCES.txt
/home/quella/ROS2_WS/Node_ws/py_node/install/py_node/lib/python3.10/site-packages/py_node-0.0.0-py3.10.egg-info/zip-safe
/home/quella/ROS2_WS/Node_ws/py_node/install/py_node/lib/py_node/py_node

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import sys
if sys.prefix == '/usr':
sys.real_prefix = sys.prefix
sys.prefix = sys.exec_prefix = '/home/quella/ROS2_WS/Node_ws/py_node/install/py_node'

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Metadata-Version: 2.1
Name: py-node
Version: 0.0.0
Summary: TODO: Package description
Home-page: UNKNOWN
Maintainer: quella
Maintainer-email: quella@todo.todo
License: Apache-2.0
Platform: UNKNOWN
Provides-Extra: test
License-File: LICENSE
UNKNOWN

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LICENSE
package.xml
setup.cfg
setup.py
build/py_node/py_node.egg-info/PKG-INFO
build/py_node/py_node.egg-info/SOURCES.txt
build/py_node/py_node.egg-info/dependency_links.txt
build/py_node/py_node.egg-info/entry_points.txt
build/py_node/py_node.egg-info/requires.txt
build/py_node/py_node.egg-info/top_level.txt
build/py_node/py_node.egg-info/zip-safe
launch/py_node.launch.py
py_node/__init__.py
py_node/py_node.py
resource/py_node
test/test_copyright.py
test/test_flake8.py
test/test_pep257.py

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[console_scripts]
py_node = py_node.py_node:main

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setuptools
[test]
pytest

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py_node

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