parquet2root python script

	new file:   etc/parquet2root.py

Author: alconley

etc/parquet2root.py

@@ -0,0 +1,22 @@
+
+# This script demonstrates how to convert a Parquet file to a ROOT TTree using the `parquet_to_root` function
+# from the `parquet_to_root` module.
+
+# pip install parquet-to-root
+# import ROOT must work for the script to run
+
+from parquet_to_root import parquet_to_root
+import time
+
+start_time = time.time()
+
+# Specify the input Parquet file and the output ROOT file
+parquet_file = "./input_file.parquet"
+
+root_file = "./output_file.root"
+tree_name = "TreeName"  # Name of the ROOT TTree
+
+# Convert the Parquet file to a ROOT TTree
+parquet_to_root(parquet_file, root_file, treename=tree_name, verbose=True)
+
+print(f"Conversion complete in {time.time() - start_time:.2f}s: {parquet_file} -> {root_file} with TTree name '{tree_name}'")