tcut-to-qastle 0.1

Introduction

TCut selection for ROOT TTree to Qastle wrapper for ServiceX xAOD and Uproot transformer.

Supported operations

• Arithmetic operators: +, -, *, /
• Logical operators: !, &&, ||
• Relational and comparison operators: ==, !=, >, <, >=, <=

Usage

import tcut_to_qastle

# Load
tq = tcut_to_qastle.Translate(<TCut selection>, <Columns to deliver>)

# Get Qastle query
query = tq.to_qastle() 

# Get the list of columns in the TCut selection
columns_in_selection = tq.list_of_columns_in_selection

Example

>>> import tcut_to_qastle
>>> tq = tcut_to_qastle.Translate("A && B * C>0", "A,B")
>>> tq.to_qastle()
"(Select (Where (call EventDataset) (lambda (list event) (and (> (attr event 'A') 0) (> (* (attr event 'B') (attr event 'C')) 0)))) (lambda (list event) (dict (list 'A' 'B') (list (attr event 'A') (attr event 'B')))))"
>>> tq.list_of_columns_in_selection
['A', 'B', 'C']