Update conversions.csv in scikit-hep/particle with LHCb names

update_conversions_table.py

#!/usr/bin/env python

import requests
import csv

def download_table(url="https://gitlab.cern.ch/lhcb-conddb/DDDB/-/raw/master/param/ParticleTable.txt"):
    r = requests.get(url)
    r.raise_for_status()

    lines = r.text.split("\n")

    return [line.split() for line in filter(lambda x: x and x[0] == " ", lines)]

table = download_table()

lhcb_names = {int(pdg_id): name for name, _, pdg_id, *_ in table}


cell_format = "{:>18}"
new_key = cell_format.format("LHCBNAME")

with open("src/particle/data/conversions.csv", "r") as in_csv:
    reader = csv.DictReader(filter(lambda row: row[0]!='#', in_csv), skipinitialspace=False)
    pdg_id_key = list(filter(lambda x: "PDGID" in x, reader.fieldnames))[0]

    with open("conversions.csv", "w") as out_csv:
        out_csv.write("# (c) Scikit-HEP project - Particle package data file - conversions.csv - version 11 - 2021-10-28\n")
        writer = csv.DictWriter(out_csv, fieldnames=reader.fieldnames + [new_key], lineterminator="\n")
        writer.writeheader()

        for row in reader:
            try:
                lhcb_name = lhcb_names[int(row[pdg_id_key])]
            except KeyError as e:
                lhcb_name = "unknown"
            row[new_key] = cell_format.format(lhcb_name)
            writer.writerow(row)