def do_sync(args):
logger.info('Starting sync.')
meltano_config = load_json_file(args.config)
bucket_files_definition = meltano_config.get("bucket_files_definition",
None)
if bucket_files_definition:
if os.path.isfile(bucket_files_definition):
config = tap_s3_csv.config.load(bucket_files_definition)
else:
logger.error("tap_s3_csv: '{}' file not found".format(
bucket_files_definition))
exit(1)
else:
check_config(CONFIG, REQUIRED_CONFIG_KEYS)
csv_files = CONFIG['files']
state = load_state(args.state)
for table in config['tables']:
state = sync_table(config, state, table)
state = {'COMPLETED': True}
singer.write_state(state)
logger.info('Done syncing.')
def sync_table_file(config, s3_file, table_spec, schema):
logger.info('Syncing file "{}".'.format(s3_file))
bucket = config['bucket']
table_name = table_spec['name']
iterator = tap_s3_csv.format_handler.get_row_iterator(
config, table_spec, s3_file)
records_synced = 0
for row in iterator:
metadata = {
'_s3_source_bucket': bucket,
'_s3_source_file': s3_file,
# index zero, +1 for header row
'_s3_source_lineno': records_synced + 2
}
try:
to_write = [{**conversion.convert_row(row, schema), **metadata}]
singer.write_records(table_name, to_write)
except BrokenPipeError as bpe:
logger.error(
f'Pipe to loader broke after {records_synced} records were written from {s3_file}: troubled line was {row}'
)
raise bpe
records_synced += 1
return records_synced