rosdep update failure and solution

1. Problem

reading in sources list data from /etc/ros/rosdep/sources.list.d
Hit https://raw.githubusercontent.com/ros/rosdistro/master/rosdep/osx-homebrew.yaml

ERROR: unable to process source [https ://raw.githubusercontent.com/ros/rosdistro/master/rosdep/base.yaml]:   
<urlopen error ('_ssl.c:711: The handshake operation timed out',)> (https://raw.githubusercontent.com/ros/rosdistro/master/rosdep/base.yaml)
According to the prompt: Accessing the above URL has timed out.

But I can access it using the host browser

2. Solution

It was found that it mainly failed when opening the link in 20-default.list, that is, it could not download several configuration files listed in 20-default.list. With this discovery, the next thing is to download these files locally and then modify the 20-default.list script file.

Mainly refer to the author's method

Installing ROS, solution to rosdep update error during initialization_super_sean's blog-CSDN blog

os-specific listings first

#yaml https://raw.githubusercontent.com/ros/rosdistro/master/rosdep/osx-homebrew.yaml osx

yaml file:///etc/ros/rosdistro/master/rosdep/osx-homebrew.yaml osx

generic

#yaml https://raw.githubusercontent.com/ros/rosdistro/master/rosdep/base.yaml
#yaml https://raw.githubusercontent.com/ros/rosdistro/master/rosdep/python.yaml
#yaml https://raw.githubusercontent.com/ros/rosdistro/master/rosdep/ruby.yaml
#gbpdistro https://raw.githubusercontent.com/ros/rosdistro/master/releases/fuerte.yaml fuerte

yaml file:///etc/ros/rosdistro/master/rosdep/base.yaml
yaml file:///etc/ros/rosdistro/master/rosdep/python.yaml
yaml file:///etc/ros/rosdistro/ master/rosdep/ruby.yaml
gbpdistro file:///etc/ros/rosdistro/master/releases/fuerte.yaml fuerte