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"""Output formatters using csv format.
"""
import csv
from .base import ListFormatter
class CSVLister(ListFormatter):
QUOTE_MODES = {
'all': csv.QUOTE_ALL,
'minimal': csv.QUOTE_MINIMAL,
'nonnumeric': csv.QUOTE_NONNUMERIC,
'none': csv.QUOTE_NONE,
}
def add_argument_group(self, parser):
group = parser.add_argument_group('CSV Formatter')
group.add_argument(
'--quote',
choices=sorted(self.QUOTE_MODES.keys()),
dest='quote_mode',
default='nonnumeric',
help='when to include quotes, defaults to nonnumeric',
)
def emit_list(self, column_names, data, stdout, parsed_args):
writer = csv.writer(stdout, quoting=self.QUOTE_MODES[parsed_args.quote_mode])
writer.writerow(column_names)
for row in data:
writer.writerow(row)
return
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