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#!/usr/bin/env python
import argparse
import csv
import json
import sys
from typing import IO, Iterable
parser = argparse.ArgumentParser('Convert UltimateGuitar tabs JSON to CSV')
parser.add_argument('-i', '--input', help='Input JSON file (default: read from stdin)')
parser.add_argument('-o', '--output', help='Output CSV file (default: write to stdout)')
args = parser.parse_args(sys.argv[1:])
def read_tabs_json(f: IO) -> Iterable[dict]:
return json.load(f)
def write_tabs_csv(f: IO, tabs: Iterable[dict]):
writer = csv.writer(f, delimiter=',')
writer.writerow(['Artist', 'Title', 'Link'])
writer.writerows([[tab['artist'], tab['title'], tab['link']] for tab in tabs])
if args.input:
with open(args.input) as f:
tabs = read_tabs_json(f)
tabs = read_tabs_json(sys.stdin)
if args.output:
with open(args.output, 'w') as f:
write_tabs_csv(f, tabs)
write_tabs_csv(sys.stdout, tabs)
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