Get apt-get dependencies given rosdep key

rosdep

asked 2015-10-29 12:46:52 -0500

theNerd247
128 ●5 ●6 ●9

So I know using rosdep install will install the dependencies for a given package. However I need to get a list of all the system dependencies for a given package. Is there a way to get the corresponding apt-get entries in the rosdep database given the rosdep key?

i.e the foo rosdep key has this entry in the database:

foo:
  ...
  debian: [package1,package2,...]
  ...

Is there a command that will return package1 packag2 ... with rosdep?

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answered 2015-10-29 13:32:37 -0500

Mani
1694 ●9 ●30 ●36 https://mani.im/

This command will return all system dependencies for a given ROS package (I explicitly specified OS name and ROS version):

$ rosdep keys image_transport --rosdistro=jade --os=ubuntu:trusty | xargs rosdep resolve
#ROSDEP[rosconsole]
#apt
ros-indigo-rosconsole
#ROSDEP[catkin]
#apt
ros-indigo-catkin
#ROSDEP[roscpp]
#apt
ros-indigo-roscpp
#ROSDEP[message_filters]
#apt
ros-indigo-message-filters
#ROSDEP[pluginlib]
#apt
ros-indigo-pluginlib
#ROSDEP[roslib]
#apt
ros-indigo-roslib
#ROSDEP[sensor_msgs]
#apt
ros-indigo-sensor-msgs

You can filter it further to get only dependencies:

rosdep keys image_transport --rosdistro=jade --os=ubuntu:trusty| xargs rosdep resolve | grep -v "#"
ros-indigo-rosconsole
ros-indigo-catkin
ros-indigo-roscpp
ros-indigo-message-filters
ros-indigo-pluginlib
ros-indigo-roslib
ros-indigo-sensor-msgs

This might not be what you are looking for since it's not recursive and it works only for ROS packages (not rosdep keys).

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1

Exactly what I needed. Thanks! Recursion can be done using a simple bash script.

theNerd247 ( 2015-10-29 13:53:30 -0500 )edit

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answered 2015-10-29 13:21:55 -0500

Dan Lazewatsky
9115 ●79 ●103 ●160 http://dan.lazewatsky.com/

updated 2015-10-29 13:22:39 -0500

If you just want to go from rosdep keys to system dependencies, rosdep resolve is what you're looking for. If you want to go from a package name to system dependencies, you can use rosdep keys along with rosdep resolve like rosdep keys [foo_pkg] | xargs rosdep resolve.

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Thanks for explaining the difference between these commands. The rosdep documentation is rather slim and vague.

theNerd247 ( 2015-10-29 13:53:54 -0500 )edit

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