You may know that using trac-admin can manage user permissions. But it needs long typing.
So TOW 0.2.2 provides simple script.
Listing all user permissions
C:\TOW>list-perm <ProjectName>
Listing user permissions
C:\TOW>list-perm <ProjectName> <UserName>
Adding user permissions
C:\TOW>add-perm <ProjectName> <UserName> <Permissions(separated by space)>
Removing user permissions
C:\TOW>remove-perm <ProjectName> <UserName> <Permissions(separated by space)>
You can use *(wild card) at permissions.
You can find more detail informations in TracPermissions.