fix(dependency_walker): don't get dependencies of non ROS packages #171
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When using the
DependencyWalker
and callingget_recursive_depends
with theros_packages_only
toFalse
, theDependencyWalker
tries to get the dependencies of every dependency (even the non-ROS ones).In order to get the dependencies of a package we must get the corresponding ROS package (for the XML etc). This is not possible for non ROS packages (like
CMake
,boost
etc). Hence this causes aKeyError
.I simply added a check to verify if the package is a ROS package or not before trying to get its dependencies.