Revision history [back]

The rosrun documentation should help here:

It's also possible to pass a ~parameter using the following syntax (replace the ~ with an _):
rosrun package node _parameter:=value
Example:
rosrun my_package my_node _my_param:=value

The rosrun documentation should help here:

It's also possible to pass a ~parameter using the following syntax (replace the ~ with an _):
rosrun package node _parameter:=value
Example:
rosrun my_package my_node _my_param:=value

Note:

So something like:

rosrun my_package read_topics.py arg1:='/topic1' arg2:='/topic2'

The exact syntax you're using in your example is actually the syntax you'd use for remapping topics from the command line with rosrun.

And be able to access those inside the python code like for example
subscriber = rospy.Subscriber(arg1, Bool, callback)
publisher = rospy.Publisher(arg2, Bool, queue_size=1)

that's not how this would work.

You'd access the parameters as private parameters (Using Parameters in rospy).