List all field labels and field names for an object

listsobjectfields.py

import csv
import os
import xml.etree.ElementTree as ET

FIELDS_SUBDIR = 'fields'
METADATA_NAMESPACE = 'http://soap.sforce.com/2006/04/metadata'
OBJECTS_DIR = 'force-app/main/default/objects'

namespaces = {
    '': METADATA_NAMESPACE
}

output_dir = '.sfdx/tmp'
sobject_name = 'Contact'

def get_field_label(field_et):
    label_el = field_et.getroot().find('label', namespaces)
    full_name_el = field_et.getroot().find('fullName', namespaces)
    return '!%s' % full_name_el.text if label_el is None else label_el.text

def get_sobject_fields_dir(sobject_name):
    return '%s/%s/%s' % (OBJECTS_DIR, sobject_name, FIELDS_SUBDIR)

# main script
if __name__ == '__main__':

    # Initialize the CSV rows
    field_list_csv = [['Field Label', 'Field API Name']]

    # Populate the CSV rows
    sobject_fields_dir = get_sobject_fields_dir(sobject_name)

    for field_filename in os.listdir(sobject_fields_dir):
        field_file = '%s/%s' % (sobject_fields_dir, field_filename)
        print('found: %s' % field_file)
        field_et = ET.parse(field_file)
        field_list_csv.append([
            get_field_label(field_et),
            field_filename.split('.')[0]
        ])

    # Write the CSV rows
    with open('%s/%s.csv' % (output_dir, sobject_name), 'w', newline='') as f:
        writer = csv.writer(f)
        writer.writerows(field_list_csv)