rosdep update出现Website may be down

1.我的rosdep init成功，如果失败执行

sudo mkdir -p /etc/ros/rosdep/sources.list.d
cd /etc/ros/rosdep/sources.list.d
sudo touch 20-default.list

2.在github下载ros的相关代码下载目录
解压缩后放在任意目录下
3.修改步骤1中的20-default.list文件，主要是改网站为本地目录

# os-specific listings first
yaml file:///home/xxx/rosdistro/rosdep/osx-homebrew.yaml osx

# generic
yaml file:///home/xxx/rosdistro/rosdep/base.yaml
yaml file:///home/xxx/rosdistro/rosdep/python.yaml
yaml file:///home/xxx/rosdistro/rosdep/ruby.yaml
gbpdistro file:///home/xxx/rosdistro/releases/fuerte.yaml fuerte

# newer distributions (Groovy, Hydro, ...) must not be listed anymore, they are being fetched from the rosdistro index.yaml instead

4…修改在__init__.py文件中修改index-v4.yaml的位置
在shell下执行命令sudo vim /usr/lib/python3/dist-packages/rosdistro/__init__.py

#DEFAULT_INDEX_URL = 'https://raw.githubusercontent.com/ros/rosdistro/master/index-v4.yaml'
DEFAULT_INDEX_URL = 'file:///etc/ros/rosdistro/index-v4.yaml'

再修改sudo vim /usr/lib/python3/dist-packages/rosdep2/rep3.py

# location of targets file for processing gbpdistro files
#REP3_TARGETS_URL = 'https://raw.githubusercontent.com/ros/rosdistro/master/releases/targets.yaml'
REP3_TARGETS_URL = 'file:///etc/ros/rosdistro/releases/targets.yaml'

5.执行rosdep update

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来源： https://blog.csdn.net/weixin_45363995/article/details/121504590