This document has tables that list Python Modules, Tools, Platforms and Interest Areas and GitHub names for each item that indicate a maintainer or an expert in the field. This list is intended to be used by issue submitters, issue triage people, and other issue participants to find people to @mention or add as reviewers to issues and pull requests. People on this list may be asked to render final judgment on a feature or bug. If no active maintainer is listed for a given module, then questionable changes should be discussed on the Core Development Discourse category, while any other issues can and should be decided by any committer.
Developers can choose to follow labels, so if a label that they are following is added to an issue or pull request, they will be notified automatically. The .github/CODEOWNERS file is also used to indicate maintainers that will be automatically added as reviewers to pull requests.
Unless a name is followed by a ‘*’, you should never assign an issue to that person. Names followed by a ‘*’ may be assigned issues involving the module or topic.
Names followed by a ‘^’ indicate old bugs.python.org usernames, for people that did not transition to GitHub.
The Platform and Interest Area tables list broader fields in which various people have expertise. These people can also be contacted for help, opinions, and decisions when issues involve their areas.
If a listed maintainer does not respond to requests for comment for an extended period (three weeks or more), they should be marked as inactive in this list by placing the word ‘inactive’ in parenthesis behind their tracker id. They are of course free to remove that inactive mark at any time.
Committers should update these tables as their areas of expertise widen. New topics may be added to the Interest Area table at will.
The existence of this list is not meant to indicate that these people must be contacted for decisions; it is, rather, a resource to be used by non-committers to find responsible parties, and by committers who do not feel qualified to make a decision in a particular context.
Stdlib¶Module
Maintainers
__future__
__main__
gvanrossum, ncoghlan
_thread
abc
annotationlib
JelleZijlstra*
argparse
savannahostrowski*, serhiy-storchaka*
array
ast
benjaminp, pablogsal, isidentical, JelleZijlstra, eclips4
asyncio
1st1, asvetlov, gvanrossum, graingert, kumaraditya303, willingc
atexit
base64
bdb
binascii
bisect
rhettinger*
builtins
calendar
cmath
cmd
code
codecs
malemburg, doerwalter
codeop
collections
rhettinger*
collections.abc
rhettinger*, stutzbach^
colorsys
compileall
carljm
compression.bz2
compression.gzip
compression.lzma
compression.zlib
Yhg1s, gpshead*, emmatyping
compression.zstd
emmatyping*
concurrent.futures
pitrou, brianquinlan, gpshead*
configparser
ambv*
contextlib
ncoghlan, 1st1
contextvars
copy
avassalotti, serhiy-storchaka*
copyreg
avassalotti, serhiy-storchaka*
cProfile
csv
smontanaro (inactive), serhiy-storchaka*
ctypes
theller (inactive), abalkin, amauryfa, meadori
curses
Yhg1s
dataclasses
ericvsmith*, carljm
datetime
abalkin, pganssle
dbm
decimal
facundobatista, rhettinger
difflib
tim-one (inactive)
dis
1st1
doctest
tim-one (inactive)
warsaw, bitdancer*, maxking
encodings
malemburg
ensurepip
ncoghlan, dstufft, pradyunsg, pfmoore
enum
eliben*, warsaw, ethanfurman*
errno
Yhg1s
faulthandler
vstinner, gpshead, ZeroIntensity*
fcntl
Yhg1s
filecmp
fileinput
fnmatch
serhiy-storchaka*
fractions
ftplib
giampaolo*
functools
rhettinger*
gc
pitrou, pablogsal, nascheme
getopt
serhiy-storchaka*
getpath
FFY00
getpass
gettext
tomasr8
glob
serhiy-storchaka*
grp
hashlib
tiran, gpshead*, picnixz
heapq
rhettinger*, stutzbach^
hmac
tiran, gpshead*, picnixz
html
ezio-melotti*
http
idlelib
kbkaiser (inactive), terryjreedy*, serwy (inactive), taleinat
imaplib
importlib
brettcannon
inspect
1st1
io
benjaminp, stutzbach^
ipaddress
pmoody^
itertools
rhettinger*
json
etrepum (inactive), ezio-melotti, rhettinger, serhiy-storchaka*
keyword
libmpdec
linecache
locale
malemburg
logging
vsajip
mailbox
marshal
math
rhettinger, stutzbach^
mimetypes
mmap
Yhg1s
modulefinder
theller (inactive), jvr^
msvcrt
multiprocessing
applio*, pitrou, jnoller^ (inactive), sbt^ (inactive), gpshead*
netrc
numbers
operator
optparse
mitsuhiko, serhiy-storchaka*
os
os.path
serhiy-storchaka*
parser
pablogsal
pathlib
barneygale*
pdb
gaogaotiantian
pickle
avassalotti, serhiy-storchaka*
pickletools
avassalotti, serhiy-storchaka*
pkgutil
platform
malemburg
plistlib
poplib
posix
larryhastings, gpshead
pprint
freddrake
profile
pstats
pty
Yhg1s*
pwd
py_compile
carljm
pyclbr
isidentical
pydoc
AA-Turner, serhiy-storchaka*
queue
rhettinger*
quopri
random
rhettinger
re
ezio-melotti, serhiy-storchaka*
readline
Yhg1s
reprlib
resource
Yhg1s
rlcompleter
runpy
ncoghlan
sched
secrets
select
selectors
neologix^, giampaolo
shelve
shlex
shutil
tarekziade, giampaolo
signal
gpshead
site
smtplib
socket
gpshead
socketserver
sqlite3
ghaering^, erlend-aasland*
ssl
jackjansen, tiran, dstufft, alex
stat
tiran
statistics
stevendaprano, rhettinger
string
stringprep
struct
meadori
subprocess
astrand^ (inactive), giampaolo, gpshead*
symtable
benjaminp
sys
sysconfig
FFY00
syslog
jafo^*
tabnanny
tim-one (inactive)
tarfile
gustaebel
tempfile
serhiy-storchaka*
termios
Yhg1s
test
ezio-melotti, serhiy-storchaka*
textwrap
threading
pitrou, gpshead
time
abalkin, pganssle
timeit
tkinter
gpolo^, serhiy-storchaka*
token
tokenize
meadori
tomllib
hauntsaninja*
trace
abalkin
traceback
iritkatriel
tracemalloc
vstinner
tty
Yhg1s*
turtle
gregorlingl^, willingc
turtledemo
terryjreedy*
types
1st1
typing
gvanrossum, JelleZijlstra*, AlexWaygood*, carljm, sobolevn*
unicodedata
malemburg, ezio-melotti
unittest
ezio-melotti, rbtcollins, gpshead, serhiy-storchaka*
unittest.mock
urllib
orsenthil
uuid
venv
vsajip, FFY00
warnings
wave
weakref
freddrake, nascheme
webbrowser
winreg
stutzbach^
winsound
wsgiref
pjenvey
xml.dom
xml.dom.minidom
xml.dom.pulldom
xml.etree
eliben*, scoder
xml.parsers.expat
xml.sax
xml.sax.handler
xml.sax.saxutils
xml.sax.xmlreader
xmlrpc
zipapp
pfmoore
zipfile
alanmcintyre^, serhiy-storchaka, Yhg1s, gpshead
zipimport
Yhg1s*
Tools¶Tool
Maintainers
Argument Clinic
larryhastings, AlexWaygood*, erlend-aasland, serhiy-storchaka*
Deepfreeze
gvanrossum, kumaraditya303
PEG Generator
gvanrossum, pablogsal, lysnikolaou
Platforms¶For official contacts for supported platforms, see PEP 11.
Platforms listed here are not necessarily supported by CPython. Some of the experts listed here maintain and distribute Python for “their” platform as a third-party project.
Platform
Maintainers
AIX
edelsohn, ayappanec
Android
mhsmith
Cygwin
jlt63^, stutzbach^
Emscripten
hoodmane, pmp-p, rdb, rth, ryanking13
FreeBSD
HP-UX
iOS
freakboy3742, ned-deily
JVM/Java
frank.wierzbicki^
Linux
macOS
ronaldoussoren, ned-deily, freakboy3742
NetBSD1
OS2/EMX
aimacintyre^
Solaris/OpenIndiana
jcea, kulikjak
Windows
tjguk, zooba, pfmoore
Miscellaneous¶Interest Area
Maintainers
algorithms
rhettinger*, serhiy-storchaka
argument clinic
larryhastings, AlexWaygood*, erlend-aasland, serhiy-storchaka*
AST/compiler
benjaminp, 1st1, pablogsal, markshannon, isidentical, brandtbucher, carljm, iritkatriel
autoconf/makefiles
Yhg1s*, emmatyping
issue tracker
ezio-melotti
buildbots
zware, pablogsal
bytecode
benjaminp, 1st1, markshannon, brandtbucher, carljm, iritkatriel
context managers
ncoghlan
core workflow
Mariatta, ezio-melotti, hugovk, AA-Turner
cryptography
gpshead, dstufft, picnixz
data formats
database
malemburg
devguide
merwok, ezio-melotti, willingc, Mariatta, hugovk, AA-Turner
documentation
ezio-melotti, merwok, JulienPalard, willingc, hugovk, AA-Turner, AlexWaygood*
emoji
Mariatta
extension modules
encukou, ncoghlan
filesystem
giampaolo
frozen modules
ericsnowcurrently, gvanrossum, kumaraditya303
f-strings
ericvsmith*
GUI
i18n
malemburg, merwok, tomasr8
import machinery
brettcannon, ncoghlan, ericsnowcurrently, FFY00
initialization
FFY00
io
benjaminp, stutzbach^, gpshead
JIT
brandtbucher*, savannahostrowski*
locale
malemburg
mathematics
malemburg, stutzbach^, rhettinger, serhiy-storchaka
memory management
tim-one, malemburg, Yhg1s, nascheme
memoryview
networking
giampaolo, gpshead
object model
benjaminp, Yhg1s
packaging
tarekziade, malemburg, alexis^, merwok, dstufft, pfmoore, emmatyping
pattern matching
brandtbucher*
PEG parser
gvanrossum, pablogsal, lysnikolaou
performance
vstinner, serhiy-storchaka*, 1st1, rhettinger, markshannon, brandtbucher, carljm, Fidget-Spinner, AlexWaygood*, nascheme
pip
ncoghlan, dstufft, pfmoore, Marcus.Smith^, pradyunsg
release management
tarekziade, malemburg, benjaminp, warsaw, gvanrossum, anthonybaxter^, merwok, ned-deily, birkenfeld, JulienPalard, hugovk
runtime lifecycle
ericsnowcurrently, kumaraditya303, zooba, ZeroIntensity, nascheme
str.format
ericvsmith*
subinterpreters
ericsnowcurrently, kumaraditya303, ZeroIntensity*
symbol table
JelleZijlstra, carljm
testing
ezio-melotti
test coverage
threads
gpshead
time and dates
malemburg, abalkin, pganssle
Unicode
malemburg, ezio-melotti, benjaminp
version control
merwok, ezio-melotti
Documentation translations¶Translations are within the charter of Editorial Board. For a list of translations and their coordinators, see this table of translations.
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