1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
# 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 argparse
import collections.abc
import csv
import os
import typing as ty
from cliff import columns
from cliff.formatters import base
class CSVLister(base.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: argparse.ArgumentParser) -> None:
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: collections.abc.Sequence[str],
data: collections.abc.Iterable[collections.abc.Sequence[ty.Any]],
stdout: ty.TextIO,
parsed_args: argparse.Namespace,
) -> None:
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(
[
(
str(c.machine_readable())
if isinstance(c, columns.FormattableColumn)
else c
)
for c in row
]
)
return
|
