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# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
"""Output formatters using csv format.
"""
import os
import sys
from .base import ListFormatter
from cliff import columns
import six
if sys.version_info[0] == 3:
import csv
else:
import unicodecsv as csv
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],
lineterminator=os.linesep,
escapechar='\\',
)
writer.writerow(column_names)
for row in data:
writer.writerow(
[(six.text_type(c.machine_readable())
if isinstance(c, columns.FormattableColumn)
else c)
for c in row]
)
return
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