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The main objective of this session is to introduce and to explain the new Python interface for accessing LCLS data. This software framework is known as the "Interactive psana". The first idea of implementing such tool was suggested around 1.5 years ago at the joint PCDS/SRD meeting (look for Interactive Psana). Though its underlying machinery is largely based on the batch version of (deprecated) psana modules the interface to the data is simpler, more intuitive, and it requires less code to be written by a user in order to get to that CSPad image or that EPICS PV. The new framework won't work for everyone, specifically for those users who have either heavily invested into the modular code of the batch framework, or who need the performance of modules written in C++. Still our intent is to demonstrate the power of the new approach and to encourage using the tool where appropriate.

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Users of pyana and myana, attention: The pyana and myana frameworks will be phased out at some point. As our understanding of what kind of analysis framework works better for the users and for ourselves as developers grew evolved, we realized that we needed to develop a tool which would have an easier interface to the data, a better internal architecture and be easier to maintain and extend for new data types. Hence we developed (deprecated) psana modules framework which has a number of advantages:

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• DOXYGEN documentation for psana
• Batch version of psana
• psana - Module Catalog - comprehensive catalog of psana modules in the latest Analysis Release
• psana - Module Examples