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Rosdep_update_failed.md

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Rosdep update failed

Action1:

sudo pip install rosdepc 

如果显示没有pip可以尝试pip3:

sudo pip3 install rosdepc 

or

sudo apt-get install python3-pip  sudo pip install rosdepc 

使用

sudo rosdepc init  rosdepc update 

finished!!

Action2

1.首先将下面仓库的内容clone到本地

git clone https://github.com/ros/rosdistro.git 

如果git clone 速度较慢,可以直接拷贝https://github.com/ros/rosdistro.git 到网页下载,速度提高记录rosdistro存放地址,例如/home/gec/rosdistro

如果是自己的改成/home/user/rosdistro,其中user表示用户名

2.修改/usr/lib/python2.7/dist-packages/rosdep2/rep3.py文件

cd /usr/lib/python2.7/dist-packages/rosdep2 
sudo gedit rep3.py 

将REP3_TARGETS_URL = ‘https://raw.githubusercontent.com/ros/rosdistro/master/releases/targets.yaml’

替换成 REP3_TARGETS_URL = 'file:///home/gec/rosdistro/releases/targets.yaml'

替换后的/home/gec 即为第一步clone内容的存放地址

3.修改/usr/lib/python2.7/dist-packages/rosdistro/init.py文件

cd /usr/lib/python2.7/dist-packages/rosdistro
sudo gedit __init__.py 

将原来文件中的 DEFAULT_INDEX_URL = ‘https://raw.githubusercontent.com/ros/rosdistro/master/index-v4.yaml’

替换成 DEFAULT_INDEX_URL = 'file:///home/gec/rosdistro/index-v4.yaml'

替换后的/home/gec 即为第一步clone内容的存放地址

4.配置20-default.list文件

sudo rosdep init 

重新生成/etc/ros/rosdep/sources.list.d/20-default.list.

没有则手动创建/etc/ros/rosdep/sources.list.d/20-default.list.步奏如下:

如果sudo rosdep init成功,直接跳过以下创建文件步骤-------

# 进入到/etc/ros/目录下 
cd /etc/ros   

# 创建rosdep文件 
sudo mkdir rosdep && cd rosdep 

# 创建sources.list.d文件 
sudo mkdir sources.list.d && cd sources.list.d 

# 创建20-default.list文档 
sudo gedit 20-default.list 

如果sudo rosdep init成功,直接跳过以上创建文件步骤------

将20-default.list里面内容修改为下面的代码,注意内容/home/gec修改为自己的记录路径

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

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

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

注意的是yaml file:// 表示固定格式/home...表示文件目录,所以是yaml file:///

5.最后直接

rosdep update