Bug: bin/omero group add should handle ValidationExceptions

[jamoore]

+ python dist/bin/omero login -s 10.2.1.198 -p 4064 -u root -w ome
Created session b9303ff9-b1f4-48e4-ab58-4bfd224eada7 (root@10.2.1.198:4064). Idle timeout: 10.0 min. Current group: system
+ python dist/bin/omero group add web_group --perms=rwrw--
Using session b9303ff9-b1f4-48e4-ab58-4bfd224eada7 (root@10.2.1.198:4064). Idle timeout: 10.0 min. Current group: system
Traceback (most recent call last):
 File "dist/bin/omero", line 123, in <module>
   rv = omero.cli.argv()
 File "<http://hudson.openmicroscopy.org.uk/job/OMERO-trunk-components/./component=web,label=linux/ws/src/dist/lib/python/omero/cli.py",> line 1151, in argv
   cli.invoke(args[1:])
 File "<http://hudson.openmicroscopy.org.uk/job/OMERO-trunk-components/./component=web,label=linux/ws/src/dist/lib/python/omero/cli.py",> line 704, in invoke
   stop = self.onecmd(line, previous_args)
 File "<http://hudson.openmicroscopy.org.uk/job/OMERO-trunk-components/./component=web,label=linux/ws/src/dist/lib/python/omero/cli.py",> line 773, in onecmd
   self.execute(line, previous_args)
 File "<http://hudson.openmicroscopy.org.uk/job/OMERO-trunk-components/./component=web,label=linux/ws/src/dist/lib/python/omero/cli.py",> line 853, in execute
   args.func(args)
 File "<http://hudson.openmicroscopy.org.uk/job/OMERO-trunk-components/./component=web,label=linux/ws/src/dist/lib/python/omero/plugins/group.py",> line 71, in add
   id = admin.createGroup(g)
 File "<http://hudson.openmicroscopy.org.uk/job/OMERO-trunk-components/./component=web,label=linux/ws/src/dist/lib/python/omero_api_IAdmin_ice.py",> line 267, in createGroup
   return _M_omero.api.IAdmin._op_createGroup.invoke(self, ((group, ), _ctx))
omero.ValidationException: exception ::omero::ValidationException

[jmoore <josh@…>]

(In [9b548c0214834404ac4ae66f14d2418549af1ec2/ome.git] on branch develop) Adding --ignore-existing to bin/omero {group,user} add (Fix #4537)

[jmoore <josh@…>]

(In [6a599accd50d31e3454d503f7750cd5e76917163/ome.git] on branch dev_4_2) Adding --ignore-existing to bin/omero {group,user} add (Fix #4537)