> May you suggest me how to sketch a simple python script that prints in the
> central section of the galaxy
> window a message like "you are not authorized to execute this tool" ?
This isn't possible right now, hence my reference to the open Bitbucket issue
regarding this limitation.
The best you can do right now is (a) restrict tool access to non-anonymous
users or (b) cause the tool not to run by manipulating the command line in the
template and, by printing to stderr, cause Galaxy to report the job failed.
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