New in v3

• More natural parameter-passing syntax to I3Tray
• Passing python functions to I3Tray.AddModule()
  • Functions with parameters
  • Choosing streams the functions should run on
  • Functions as filters
  • Passing python functions to I3ConditionalModules
    • The old way
    • The new way
  • Source code organization
• I3Modules in python
  • Dump
  • Parameter handling
  • Allowable parameter types for python modules (any!)
  • Parameters can be input/output
• Services in python
  • The only option in V2 - pass service to module via context/factory
  • New option in V3 - just pass as parameter
  • Using services from python modules
  • Implementing services in python
• Moving to IceTray v3 FAQ
  • IceTray modules
  • Tool python must be explicitly listed in USE_TOOLS
  • Stream name argument to modules need additional qualifier