Gecko [ tsuru-no-tsurugi.tokyo ]

Name	Size	Permission	Date
Automat-20.2.0.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:51
Babel-2.8.0.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
CommandNotFound	[ DIR ]	drwxr-xr-x	2024-02-17 03:50
ConfigArgParse-1.5.3.egg-info	[ DIR ]	drwxr-xr-x	2024-08-28 00:25
DistUpgrade	[ DIR ]	drwxr-xr-x	2024-10-14 20:22
HweSupportStatus	[ DIR ]	drwxr-xr-x	2025-12-31 20:42
Jinja2-3.0.3.egg-info	[ DIR ]	drwxr-xr-x	2025-03-13 06:42
Markdown-3.3.6.egg-info	[ DIR ]	drwxr-xr-x	2024-09-07 23:28
MarkupSafe-2.0.1.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:45
NvidiaDetector	[ DIR ]	drwxr-xr-x	2026-05-02 01:35
OpenSSL	[ DIR ]	drwxr-xr-x	2026-03-24 06:23
PyGObject-3.42.1.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
PyHamcrest-2.0.2.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:51
PyICU-2.8.1.egg-info	[ DIR ]	drwxr-xr-x	2024-08-28 00:25
PyJWT-2.3.0.egg-info	[ DIR ]	drwxr-xr-x	2026-04-02 06:36
PyYAML-5.4.1.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
Pygments-2.11.2.egg-info	[ DIR ]	drwxr-xr-x	2024-11-28 06:27
Quirks	[ DIR ]	drwxr-xr-x	2026-05-02 01:35
SecretStorage-3.3.1.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:44
Twisted-22.1.0.egg-info	[ DIR ]	drwxr-xr-x	2026-06-05 06:15
UbuntuDrivers	[ DIR ]	drwxr-xr-x	2026-05-02 01:35
UpdateManager	[ DIR ]	drwxr-xr-x	2025-12-31 20:42
__pycache__	[ DIR ]	drwxr-xr-x	2025-08-05 06:05
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acme	[ DIR ]	drwxr-xr-x	2024-08-28 00:25
acme-1.21.0.egg-info	[ DIR ]	drwxr-xr-x	2024-08-28 00:25
apport	[ DIR ]	drwxr-xr-x	2025-08-05 06:05
apt	[ DIR ]	drwxr-xr-x	2025-12-31 20:41
apt_inst-stubs	[ DIR ]	drwxr-xr-x	2025-12-31 20:36
apt_pkg-stubs	[ DIR ]	drwxr-xr-x	2025-12-31 20:36
aptsources	[ DIR ]	drwxr-xr-x	2025-12-31 20:41
asgiref	[ DIR ]	drwxr-xr-x	2024-08-30 00:22
asgiref-3.5.0.egg-info	[ DIR ]	drwxr-xr-x	2024-08-30 00:22
attr	[ DIR ]	drwxr-xr-x	2025-12-31 20:38
attrs-21.2.0.egg-info	[ DIR ]	drwxr-xr-x	2025-12-31 20:37
automat	[ DIR ]	drwxr-xr-x	2024-02-17 03:51
babel	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
bcrypt	[ DIR ]	drwxr-xr-x	2024-02-17 03:51
bcrypt-3.2.0.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:51
blinker	[ DIR ]	drwxr-xr-x	2024-02-17 03:45
certbot	[ DIR ]	drwxr-xr-x	2024-08-28 00:25
certbot-1.21.0.egg-info	[ DIR ]	drwxr-xr-x	2024-08-28 00:25
certbot_apache	[ DIR ]	drwxr-xr-x	2024-08-28 22:15
certbot_apache-1.21.0.egg-info	[ DIR ]	drwxr-xr-x	2024-08-28 22:15
certifi	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
certifi-2020.6.20.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
chardet	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
chardet-4.0.0.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
click	[ DIR ]	drwxr-xr-x	2024-02-17 03:46
click-8.0.3.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:44
cloud_init-26.1.egg-info	[ DIR ]	drwxr-xr-x	2026-06-23 20:31
cloudinit	[ DIR ]	drwxr-xr-x	2026-06-23 20:32
colorama	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
colorama-0.4.4.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
configobj-5.0.6.egg-info	[ DIR ]	drwxr-xr-x	2024-09-28 06:05
constantly	[ DIR ]	drwxr-xr-x	2024-02-17 03:51
constantly-15.1.0.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:51
cryptography	[ DIR ]	drwxr-xr-x	2026-03-18 06:24
cryptography-3.4.8.egg-info	[ DIR ]	drwxr-xr-x	2026-03-18 06:24
dbus	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
dbus_python-1.2.18.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
debian	[ DIR ]	drwxr-xr-x	2024-02-17 03:51
debian_bundle	[ DIR ]	drwxr-xr-x	2024-02-17 03:51
distro	[ DIR ]	drwxr-xr-x	2024-02-17 03:46
distro-1.7.0.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:44
distro_info-1.1+ubuntu0.2.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:44
dns	[ DIR ]	drwxr-xr-x	2024-09-07 23:28
dnspython-2.1.0.egg-info	[ DIR ]	drwxr-xr-x	2024-09-07 23:28
elftools	[ DIR ]	drwxr-xr-x	2024-08-21 22:43
firewall	[ DIR ]	drwxr-xr-x	2024-08-29 14:24
gi	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
gpg	[ DIR ]	drwxr-xr-x	2024-09-07 23:28
h11	[ DIR ]	drwxr-xr-x	2024-08-30 00:22
h11-0.13.0.egg-info	[ DIR ]	drwxr-xr-x	2024-08-30 00:22
hamcrest	[ DIR ]	drwxr-xr-x	2024-02-17 03:51
httplib2	[ DIR ]	drwxr-xr-x	2026-07-16 06:20
httplib2-0.20.2.egg-info	[ DIR ]	drwxr-xr-x	2026-07-16 06:20
hyperlink	[ DIR ]	drwxr-xr-x	2024-02-17 03:51
hyperlink-21.0.0.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:51
icu	[ DIR ]	drwxr-xr-x	2024-08-28 00:25
idna	[ DIR ]	drwxr-xr-x	2026-07-17 06:48
idna-3.3.egg-info	[ DIR ]	drwxr-xr-x	2026-07-17 06:48
importlib_metadata	[ DIR ]	drwxr-xr-x	2024-02-17 03:46
importlib_metadata-4.6.4.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:44
incremental	[ DIR ]	drwxr-xr-x	2024-02-17 03:51
incremental-21.3.0.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:51
janitor	[ DIR ]	drwxr-xr-x	2025-12-31 20:42
jeepney	[ DIR ]	drwxr-xr-x	2024-02-17 03:45
jeepney-0.7.1.dist-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:44
jinja2	[ DIR ]	drwxr-xr-x	2025-03-13 06:42
josepy	[ DIR ]	drwxr-xr-x	2024-08-28 00:25
josepy-1.10.0.egg-info	[ DIR ]	drwxr-xr-x	2024-08-28 00:25
jsonpatch-1.32.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
jsonpointer-2.0.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
jsonschema	[ DIR ]	drwxr-xr-x	2024-02-17 03:46
jsonschema-3.2.0.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:45
jwt	[ DIR ]	drwxr-xr-x	2026-04-02 06:36
keyring	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
keyring-23.5.0.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
landscape	[ DIR ]	drwxr-xr-x	2025-12-31 20:41
launchpadlib	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
launchpadlib-1.10.16.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
lazr	[ DIR ]	drwxr-xr-x	2024-02-17 03:44
lazr.restfulclient-0.14.4.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
lazr.uri-1.0.6.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
magic	[ DIR ]	drwxr-xr-x	2024-02-17 03:51
markdown	[ DIR ]	drwxr-xr-x	2024-09-07 23:28
markupsafe	[ DIR ]	drwxr-xr-x	2024-02-17 03:45
more_itertools	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
more_itertools-8.10.0.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
netifaces-0.11.0.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
netplan	[ DIR ]	drwxr-xr-x	2026-06-23 20:30
nftables	[ DIR ]	drwxr-xr-x	2026-05-02 01:34
oauthlib	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
oauthlib-3.2.0.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
ovs	[ DIR ]	drwxr-xr-x	2026-06-23 20:31
ovs-2.17.9.egg-info	[ DIR ]	drwxr-xr-x	2026-06-23 20:31
packaging	[ DIR ]	drwxr-xr-x	2025-02-27 13:15
packaging-21.3.egg-info	[ DIR ]	drwxr-xr-x	2025-02-27 13:13
parsedatetime	[ DIR ]	drwxr-xr-x	2024-08-28 00:25
parsedatetime-2.6.egg-info	[ DIR ]	drwxr-xr-x	2024-08-28 00:25
pexpect	[ DIR ]	drwxr-xr-x	2024-02-17 03:51
pip	[ DIR ]	drwxr-xr-x	2025-12-31 20:39
pip-22.0.2.dist-info	[ DIR ]	drwxr-xr-x	2025-12-31 20:37
pkg_resources	[ DIR ]	drwxr-xr-x	2025-05-31 06:21
ptyprocess	[ DIR ]	drwxr-xr-x	2024-02-17 03:51
ptyprocess-0.7.0.dist-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:51
pyOpenSSL-21.0.0.egg-info	[ DIR ]	drwxr-xr-x	2026-03-24 06:23
pyRFC3339-1.1.egg-info	[ DIR ]	drwxr-xr-x	2024-08-28 00:25
pyasn1	[ DIR ]	drwxr-xr-x	2026-03-31 06:50
pyasn1-0.4.8.egg-info	[ DIR ]	drwxr-xr-x	2026-03-31 06:50
pyasn1_modules	[ DIR ]	drwxr-xr-x	2024-02-17 03:51
pyelftools-0.27.egg-info	[ DIR ]	drwxr-xr-x	2024-08-21 22:43
pygments	[ DIR ]	drwxr-xr-x	2024-11-28 06:27
pygtkcompat	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
pyparsing-2.4.7.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:44
pyrfc3339	[ DIR ]	drwxr-xr-x	2024-08-28 00:25
pyrsistent	[ DIR ]	drwxr-xr-x	2024-02-17 03:45
pyrsistent-0.18.1.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:45
pyserial-3.5.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
python_apt-2.4.0+ubuntu4.1.egg-info	[ DIR ]	drwxr-xr-x	2025-12-31 20:36
python_debian-0.1.43+ubuntu1.1.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:51
python_magic-0.4.24.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:51
pytz	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
pytz-2022.1.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
requests	[ DIR ]	drwxr-xr-x	2025-06-17 06:46
requests-2.25.1.egg-info	[ DIR ]	drwxr-xr-x	2025-06-17 06:46
requests_toolbelt	[ DIR ]	drwxr-xr-x	2024-08-28 00:25
requests_toolbelt-0.9.1.egg-info	[ DIR ]	drwxr-xr-x	2024-08-28 00:25
samba	[ DIR ]	drwxr-xr-x	2026-05-28 07:00
secretstorage	[ DIR ]	drwxr-xr-x	2024-02-17 03:46
serial	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
service_identity	[ DIR ]	drwxr-xr-x	2024-02-17 03:51
service_identity-18.1.0.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:51
setuptools	[ DIR ]	drwxr-xr-x	2025-05-31 06:21
setuptools-59.6.0.egg-info	[ DIR ]	drwxr-xr-x	2025-05-31 06:21
six-1.16.0.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:44
softwareproperties	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
sortedcontainers	[ DIR ]	drwxr-xr-x	2024-08-21 22:43
sortedcontainers-2.1.0.egg-info	[ DIR ]	drwxr-xr-x	2024-08-21 22:43
sos	[ DIR ]	drwxr-xr-x	2026-05-02 01:34
sos-4.10.2.egg-info	[ DIR ]	drwxr-xr-x	2026-05-02 01:33
speedtest_cli-2.1.3.egg-info	[ DIR ]	drwxr-xr-x	2025-03-14 22:12
ssh_import_id	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
ssh_import_id-5.11.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
supervisor	[ DIR ]	drwxr-xr-x	2025-02-27 19:58
supervisor-4.2.1.egg-info	[ DIR ]	drwxr-xr-x	2025-02-27 19:58
systemd	[ DIR ]	drwxr-xr-x	2024-02-17 03:45
twisted	[ DIR ]	drwxr-xr-x	2026-06-05 06:15
uaclient	[ DIR ]	drwxr-xr-x	2026-07-18 06:45
ubuntu_drivers_common-0.0.0.egg-info	[ DIR ]	drwxr-xr-x	2026-05-02 01:32
ubuntu_pro_client-8001.egg-info	[ DIR ]	drwxr-xr-x	2026-07-18 06:45
ufw	[ DIR ]	drwxr-xr-x	2024-02-17 03:50
unattended_upgrades-0.1.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
urllib3	[ DIR ]	drwxr-xr-x	2026-06-05 06:15
urllib3-1.26.5.egg-info	[ DIR ]	drwxr-xr-x	2026-06-05 06:15
uvicorn	[ DIR ]	drwxr-xr-x	2024-08-30 00:22
uvicorn-0.15.0.egg-info	[ DIR ]	drwxr-xr-x	2024-08-30 00:22
wadllib	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
wadllib-1.3.6.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
wheel	[ DIR ]	drwxr-xr-x	2025-02-27 13:31
wheel-0.37.1.egg-info	[ DIR ]	drwxr-xr-x	2025-02-27 13:31
wsproto	[ DIR ]	drwxr-xr-x	2024-08-30 00:22
wsproto-1.0.0.egg-info	[ DIR ]	drwxr-xr-x	2024-08-30 00:22
xkit	[ DIR ]	drwxr-xr-x	2024-02-17 03:45
yaml	[ DIR ]	drwxr-xr-x	2024-02-17 03:53
zipp-1.0.0.egg-info	[ DIR ]	drwxr-xr-x	2024-08-21 00:25
zope	[ DIR ]	drwxr-xr-x	2024-08-28 00:25
zope.component-4.3.0.egg-info	[ DIR ]	drwxr-xr-x	2024-08-28 00:25
zope.event-4.4.egg-info	[ DIR ]	drwxr-xr-x	2024-08-28 00:25
zope.hookable-5.1.0.egg-info	[ DIR ]	drwxr-xr-x	2024-08-28 00:25
zope.interface-5.4.0.egg-info	[ DIR ]	drwxr-xr-x	2024-02-17 03:51
_capng.cpython-310-x86_64-linux-gnu.so	45.24 KB	-rw-r--r--	2022-01-14 04:33
_cffi_backend.cpython-310-x86_64-linux-gnu.so	189.91 KB	-rw-r--r--	2022-03-25 18:57
_dbus_bindings.cpython-310-x86_64-linux-gnu.so	164.21 KB	-rw-r--r--	2022-03-18 02:50
_dbus_glib_bindings.cpython-310-x86_64-linux-gnu.so	22.5 KB	-rw-r--r--	2022-03-18 02:50
_ldb_text.py	3.45 KB	-rw-r--r--	2020-08-28 22:28
_pyrsistent_version.py	23 B	-rw-r--r--	2022-01-15 04:50
_snack.cpython-310-x86_64-linux-gnu.so	46.77 KB	-rw-r--r--	2022-03-18 04:30
_tdb_text.py	3.27 KB	-rw-r--r--	2020-01-21 23:09
_version.py	21 B	-rw-r--r--	2014-08-26 10:11
apport_python_hook.py	7.87 KB	-rw-r--r--	2024-07-10 20:56
apt_inst.cpython-310-x86_64-linux-gnu.so	58.66 KB	-rw-r--r--	2025-12-06 02:18
apt_pkg.cpython-310-x86_64-linux-gnu.so	338.96 KB	-rw-r--r--	2025-12-06 02:18
augeas.py	23 KB	-rw-r--r--	2014-09-01 02:18
blinker-1.4.egg-info	3.81 KB	-rw-r--r--	2021-10-26 02:42
capng.py	6.09 KB	-rw-r--r--	2022-01-14 04:33
command_not_found-0.3.egg-info	189 B	-rw-r--r--	2021-12-08 19:53
configargparse.py	48.71 KB	-rw-r--r--	2021-10-03 09:15
configobj.py	87.51 KB	-rw-r--r--	2024-09-20 20:44
deb822.py	273 B	-rw-r--r--	2022-01-16 17:42
debconf.py	6.61 KB	-rw-r--r--	2022-02-20 23:42
distro_info.py	12.23 KB	-rw-r--r--	2023-11-28 21:16
gpg-1.16.0-py3.10.egg-info	2.21 KB	-rw-r--r--	2023-09-28 09:17
jsonpatch.py	28.14 KB	-rw-r--r--	2021-03-14 04:14
jsonpointer.py	9.57 KB	-rw-r--r--	2018-01-17 00:18
ldb.cpython-310-x86_64-linux-gnu.so	102.24 KB	-rw-r--r--	2023-03-30 21:16
lsb_release.py	14.55 KB	-rw-r--r--	2019-08-26 06:11
netifaces.cpython-310-x86_64-linux-gnu.so	22.69 KB	-rw-r--r--	2022-03-25 01:20
nftables-0.1-py3.10.egg-info	623 B	-rw-r--r--	2026-02-24 17:38
pexpect-4.8.0.egg-info	2.23 KB	-rw-r--r--	2021-08-09 19:01
problem_report.py	26.24 KB	-rw-r--r--	2024-07-10 20:56
pvectorc.cpython-310-x86_64-linux-gnu.so	36.67 KB	-rw-r--r--	2022-03-18 04:43
pyasn1_modules-0.2.1.egg-info	1.68 KB	-rw-r--r--	2020-04-05 09:09
pyparsing.py	266.96 KB	-rw-r--r--	2020-03-31 11:48
python_augeas-0.5.0.egg-info	238 B	-rw-r--r--	2019-10-17 11:17
six.py	33.74 KB	-rw-r--r--	2021-05-05 23:17
snack.py	30.4 KB	-rw-r--r--	2022-03-18 04:30
speedtest.py	63.6 KB	-rw-r--r--	2021-04-08 22:45
systemd_python-234.egg-info	586 B	-rw-r--r--	2022-03-18 05:07
talloc.cpython-310-x86_64-linux-gnu.so	15.63 KB	-rw-r--r--	2022-01-14 05:34
tdb.cpython-310-x86_64-linux-gnu.so	36.29 KB	-rw-r--r--	2022-01-14 05:34
ufw-0.36.1.egg-info	263 B	-rw-r--r--	2023-07-17 22:55
validate.py	46.14 KB	-rw-r--r--	2024-09-20 20:44
xkit-0.0.0.egg-info	266 B	-rw-r--r--	2022-03-24 17:20
zipp.py	6.75 KB	-rw-r--r--	2024-07-21 23:26
zope.component-4.3.0-nspkg.pth	529 B	-rw-r--r--	2019-09-21 21:28
zope.event-4.4-nspkg.pth	529 B	-rw-r--r--	2020-06-15 06:11
zope.hookable-5.1.0-nspkg.pth	529 B	-rw-r--r--	2022-03-18 05:18
zope.interface-5.4.0-nspkg.pth	529 B	-rw-r--r--	2022-03-18 02:51

Rename

# Copyright (C) 2009-2012, Benjamin Drung <bdrung@debian.org>
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

"""provides information about Ubuntu's and Debian's distributions"""

import csv
import datetime
import os

def convert_date(string):
    """Convert a date string in ISO 8601 into a datetime object."""
    if not string:
        date = None
    else:
        parts = [int(x) for x in string.split("-")]
        if len(parts) == 3:
            (year, month, day) = parts
            date = datetime.date(year, month, day)
        elif len(parts) == 2:
            (year, month) = parts
            if month == 12:
                date = datetime.date(year, month, 31)
            else:
                date = datetime.date(year, month + 1, 1) - datetime.timedelta(1)
        else:
            raise ValueError("Date not in ISO 8601 format.")
    return date

def _get_data_dir():
    """Get the data directory based on the module location."""
    return "/usr/share/distro-info"

class DistroDataOutdated(Exception):
    """Distribution data outdated."""

def __init__(self):
        super().__init__(
            "Distribution data outdated. Please check for an update for distro-info-data. "
            "See /usr/share/doc/distro-info-data/README.Debian for details."
        )

class DistroRelease:
    """Represents a distributions release"""

# pylint: disable=too-few-public-methods
    # pylint: disable=too-many-instance-attributes

def __init__(
        self,
        version,
        codename,
        series,
        created=None,
        release=None,
        eol=None,
        eol_esm=None,
        eol_lts=None,
        eol_elts=None,
        eol_server=None,
    ):
        # pylint: disable=too-many-arguments
        self.version = version
        self.codename = codename
        self.series = series
        self.created = created
        self.release = release
        self.eol = eol
        self.eol_lts = eol_lts
        self.eol_elts = eol_elts
        self.eol_esm = eol_esm
        self.eol_server = eol_server

def is_supported(self, date):
        """Check whether this release is supported on the given date."""
        return date >= self.created and (
            self.eol is None
            or date <= self.eol
            or (self.eol_server is not None and date <= self.eol_server)
        )

def _get_date(row, column):
    return convert_date(row[column]) if column in row else None

class DistroInfo:
    """Base class for distribution information.
    Use DebianDistroInfo or UbuntuDistroInfo instead of using this directly.
    """

def __init__(self, distro):
        self._distro = distro
        filename = os.path.join(_get_data_dir(), distro.lower() + ".csv")
        with open(filename, encoding="utf-8") as csvfile:
            csv_reader = csv.DictReader(csvfile)
            self._releases = []
            for row in csv_reader:
                release = DistroRelease(
                    row["version"],
                    row["codename"],
                    row["series"],
                    _get_date(row, "created"),
                    _get_date(row, "release"),
                    _get_date(row, "eol"),
                    _get_date(row, "eol-esm"),
                    _get_date(row, "eol-lts"),
                    _get_date(row, "eol-elts"),
                    _get_date(row, "eol-server"),
                )
                self._releases.append(release)
        self._date = datetime.date.today()

@property
    def all(self):
        """List codenames of all known distributions."""
        return [x.series for x in self._releases]

def get_all(self, result="codename"):
        """List all known distributions."""
        return [self._format(result, x) for x in self._releases]

def _avail(self, date):
        """Return all distributions that were available on the given date."""
        return [x for x in self._releases if date >= x.created]

def codename(self, release, date=None, default=None):
        """Map codename aliases to the codename they describe."""
        # pylint: disable=no-self-use,unused-argument
        return release

def version(self, name, default=None):
        """Map codename or series to version"""
        for release in self._releases:
            if name in (release.codename, release.series):
                return release.version
        return default

def devel(self, date=None, result="codename"):
        """Get latest development distribution based on the given date."""
        if date is None:
            date = self._date
        distros = [
            x
            for x in self._avail(date)
            if x.release is None or (date < x.release and (x.eol is None or date <= x.eol))
        ]
        if not distros:
            raise DistroDataOutdated()
        return self._format(result, distros[-1])

def _format(self, format_string, release):
        """Format a given distribution entry."""
        if format_string == "object":
            return release
        if format_string == "codename":
            return release.series
        if format_string == "fullname":
            return self._distro + " " + release.version + ' "' + release.codename + '"'
        if format_string == "release":
            return release.version

raise ValueError(
            "Only codename, fullname, object, and release are allowed "
            "result values, but not '" + format_string + "'."
        )

def stable(self, date=None, result="codename"):
        """Get latest stable distribution based on the given date."""
        if date is None:
            date = self._date
        distros = [
            x
            for x in self._avail(date)
            if x.release is not None and date >= x.release and (x.eol is None or date <= x.eol)
        ]
        if not distros:
            raise DistroDataOutdated()
        return self._format(result, distros[-1])

def supported(self, date=None, result=None):
        """Get list of all supported distributions based on the given date."""
        raise NotImplementedError()

def valid(self, codename):
        """Check if the given codename is known."""
        return codename in self.all

def unsupported(self, date=None, result="codename"):
        """Get list of all unsupported distributions based on the given date."""
        if date is None:
            date = self._date
        supported = self.supported(date)
        distros = [self._format(result, x) for x in self._avail(date) if x.series not in supported]
        return distros

class DebianDistroInfo(DistroInfo):
    """provides information about Debian's distributions"""

def __init__(self):
        super().__init__("Debian")

def codename(self, release, date=None, default=None):
        """Map 'unstable', 'testing', etc. to their codenames."""
        if release == "unstable":
            codename = self.devel(date)
        elif release == "testing":
            codename = self.testing(date)
        elif release == "stable":
            codename = self.stable(date)
        elif release == "oldstable":
            codename = self.old(date)
        else:
            codename = default
        return codename

def devel(self, date=None, result="codename"):
        """Get latest development distribution based on the given date."""
        if date is None:
            date = self._date
        distros = [
            x
            for x in self._avail(date)
            if x.release is None or (date < x.release and (x.eol is None or date <= x.eol))
        ]
        if len(distros) < 2:
            raise DistroDataOutdated()
        return self._format(result, distros[-2])

def old(self, date=None, result="codename"):
        """Get old (stable) Debian distribution based on the given date."""
        if date is None:
            date = self._date
        distros = [x for x in self._avail(date) if x.release is not None and date >= x.release]
        if len(distros) < 2:
            raise DistroDataOutdated()
        return self._format(result, distros[-2])

def supported(self, date=None, result="codename"):
        """Get list of all supported Debian distributions based on the given
        date."""
        if date is None:
            date = self._date
        distros = [
            self._format(result, x) for x in self._avail(date) if x.eol is None or date <= x.eol
        ]
        return distros

def lts_supported(self, date=None, result="codename"):
        """Get list of all LTS supported Debian distributions based on the given
        date."""
        if date is None:
            date = self._date
        distros = [
            self._format(result, x)
            for x in self._avail(date)
            if (x.eol is not None and date > x.eol)
            and (x.eol_lts is not None and date <= x.eol_lts)
        ]
        return distros

def elts_supported(self, date=None, result="codename"):
        """Get list of all Extended LTS supported Debian distributions based on
        the given date."""
        if date is None:
            date = self._date
        distros = [
            self._format(result, x)
            for x in self._avail(date)
            if (x.eol_lts is not None and date > x.eol_lts)
            and (x.eol_elts is not None and date <= x.eol_elts)
        ]
        return distros

def testing(self, date=None, result="codename"):
        """Get latest testing Debian distribution based on the given date."""
        if date is None:
            date = self._date
        distros = [
            x
            for x in self._avail(date)
            if (x.release is None and x.version)
            or (x.release is not None and date < x.release and (x.eol is None or date <= x.eol))
        ]
        if not distros:
            raise DistroDataOutdated()
        return self._format(result, distros[-1])

def valid(self, codename):
        """Check if the given codename is known."""
        return DistroInfo.valid(self, codename) or codename in [
            "unstable",
            "testing",
            "stable",
            "oldstable",
        ]

class UbuntuDistroInfo(DistroInfo):
    """provides information about Ubuntu's distributions"""

def __init__(self):
        super().__init__("Ubuntu")

def lts(self, date=None, result="codename"):
        """Get latest long term support (LTS) Ubuntu distribution based on the
        given date."""
        if date is None:
            date = self._date
        distros = [
            x for x in self._releases if x.version.find("LTS") >= 0 and x.release <= date <= x.eol
        ]
        if not distros:
            raise DistroDataOutdated()
        return self._format(result, distros[-1])

def is_lts(self, codename):
        """Is codename an LTS release?"""
        distros = [x for x in self._releases if x.series == codename]
        if not distros:
            return False
        return "LTS" in distros[0].version

def supported(self, date=None, result="codename"):
        """Get list of all supported Ubuntu distributions based on the given
        date."""
        if date is None:
            date = self._date
        distros = [
            self._format(result, x)
            for x in self._avail(date)
            if date <= x.eol or (x.eol_server is not None and date <= x.eol_server)
        ]
        return distros

def supported_esm(self, date=None, result="codename"):
        """Get list of all ESM supported Ubuntu distributions based on the
        given date."""
        if date is None:
            date = self._date
        distros = [
            self._format(result, x)
            for x in self._avail(date)
            if x.eol_esm is not None and date <= x.eol_esm
        ]
        return distros