21. Experts Index

This document has tables that list Python Modules, Tools, Platforms and Interest Areas and 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 add to the nosy list or to contact directly by email for help and decisions on feature requests and bug fixes. People on this list may be asked to render final judgement on a feature or bug. If no active maintainer is listed for a given module, then questionable changes should go to python-dev, while any other issues can and should be decided by any committer.

Unless a name is followed by a ‘*’, you should never assign an issue to that person, only make them nosy. Names followed by a ‘*’ may be assigned issues involving the module or topic.

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.

See also PEP 291 and PEP 360 for information about certain modules with special rules.

21.1. Stdlib

Module Maintainers
__future__  
__main__ gvanrossum, ncoghlan
_dummy_thread brett.cannon
_thread pitrou
abc  
aifc r.david.murray
argparse bethard
array  
ast benjamin.peterson
asynchat josiahcarlson, giampaolo.rodola*, stutzbach
asyncio gvanrossum, haypo, pitrou, yselivanov, giampaolo.rodola
asyncore josiahcarlson, giampaolo.rodola*, stutzbach
atexit  
audioop  
base64  
bdb  
binascii  
binhex  
bisect rhettinger
builtins  
bz2 nadeem.vawda
calendar rhettinger
cgi  
cgitb  
chunk  
cmath mark.dickinson
cmd  
code  
codecs lemburg, doerwalter
codeop  
collections rhettinger
collections.abc rhettinger, stutzbach
colorsys  
compileall  
concurrent.futures bquinlan
configparser lukasz.langa*
contextlib ncoghlan*
copy alexandre.vassalotti
copyreg alexandre.vassalotti
cProfile  
crypt jafo*
csv skip.montanaro (inactive)
ctypes theller (inactive), belopolsky, amaury.forgeotdarc, meador.inge
curses  
datetime belopolsky
dbm  
decimal facundobatista, rhettinger, mark.dickinson
difflib tim.peters (inactive)
dis ncoghlan*
distutils eric.araujo, dstufft
doctest tim.peters (inactive)
dummy_threading brett.cannon
email barry, r.david.murray*
encodings lemburg, loewis
enum eli.bendersky*, barry, ethan.furman*
errno  
exceptions  
fcntl  
filecmp  
fileinput  
fnmatch  
formatter  
fpectl  
fractions mark.dickinson, rhettinger
ftplib giampaolo.rodola*
functools ncoghlan, rhettinger
gc pitrou
getopt  
getpass  
gettext loewis
glob  
grp  
gzip  
hashlib christian.heimes, gregory.p.smith
heapq rhettinger, stutzbach
hmac christian.heimes, gregory.p.smith
html ezio.melotti
http  
idlelib kbk, terry.reedy, roger.serwy
imaplib  
imghdr  
imp  
importlib brett.cannon
inspect yselivanov
io pitrou, benjamin.peterson, stutzbach
ipaddress pmoody, ncoghlan
itertools rhettinger
json bob.ippolito (inactive), ezio.melotti, rhettinger, pitrou
keyword  
lib2to3 benjamin.peterson
linecache  
locale loewis, lemburg
logging vinay.sajip
lzma nadeem.vawda
macpath  
mailbox petri.lehtinen
mailcap  
marshal  
math mark.dickinson, rhettinger, stutzbach
mimetypes  
mmap  
modulefinder theller (inactive), jvr
msilib loewis
msvcrt  
multiprocessing jnoller, sbt*
netrc  
nis  
nntplib pitrou
numbers  
operator  
optparse aronacher
os loewis
ossaudiodev  
parser benjamin.peterson
pathlib pitrou*
pdb georg.brandl*
pickle alexandre.vassalotti, pitrou
pickletools alexandre.vassalotti
pipes  
pkgutil  
platform lemburg
plistlib  
poplib giampaolo.rodola
posix  
pprint fdrake
profile georg.brandl
pstats georg.brandl
pty  
pwd  
py_compile  
pybench lemburg, pitrou
pyclbr  
pydoc  
queue rhettinger
quopri  
random rhettinger, mark.dickinson
re effbot (inactive), pitrou, ezio.melotti
readline  
reprlib  
resource  
rlcompleter  
runpy ncoghlan
sched giampaolo.rodola
select  
selectors neologix, giampaolo.rodola
shelve  
shlex  
shutil tarek, hynek
signal  
site  
smtpd giampaolo.rodola
smtplib  
sndhdr  
socket pitrou
socketserver  
spwd  
sqlite3 ghaering
ssl janssen, pitrou, giampaolo.rodola, christian.heimes, dstufft
stat christian.heimes
statistics  
string georg.brandl*
stringprep  
struct mark.dickinson, meador.inge
subprocess astrand (inactive)
sunau  
symbol  
symtable benjamin.peterson
sys  
sysconfig tarek
syslog jafo*
tabnanny tim.peters (inactive)
tarfile lars.gustaebel
telnetlib  
tempfile georg.brandl, ncoghlan
termios  
test ezio.melotti
textwrap georg.brandl
threading pitrou
time belopolsky
timeit georg.brandl
tkinter gpolo
token georg.brandl
tokenize meador.inge
trace belopolsky
traceback georg.brandl*
tty  
turtle gregorlingl
types  
unicodedata loewis, lemburg, ezio.melotti
unittest michael.foord*, ezio.melotti
unittest.mock michael.foord*
urllib orsenthil
uu  
uuid  
venv vinay.sajip
warnings  
wave  
weakref fdrake, pitrou
webbrowser georg.brandl
winreg stutzbach
winsound effbot (inactive)
wsgiref pje
xdrlib  
xml.dom  
xml.dom.minidom  
xml.dom.pulldom  
xml.etree effbot (inactive), eli.bendersky*, scoder
xml.parsers.expat christian.heimes
xml.sax christian.heimes
xml.sax.handler  
xml.sax.saxutils  
xml.sax.xmlreader  
xmlrpc loewis
zipfile alanmcintyre
zipimport  
zlib nadeem.vawda

21.2. Tools

Tool Maintainers
pybench lemburg

21.3. Platforms

Platform Maintainers
AIX David.Edelsohn
Cygwin jlt63, stutzbach
FreeBSD  
HP-UX  
Linux  
Mac OS X ronaldoussoren, ned.deily, hynek
NetBSD1  
OS2/EMX aimacintyre
Solaris/OpenIndiana jcea
Windows tim.golden
JVM/Java frank.wierzbicki

21.4. Miscellaneous

Interest Area Maintainers
algorithms  
ast/compiler ncoghlan, benjamin.peterson, brett.cannon, georg.brandl
autoconf/makefiles  
bsd  
benchmarks pitrou, brett.cannon
bug tracker ezio.melotti
buildbots pitrou
bytecode benjamin.peterson, pitrou, georg.brandl
context managers ncoghlan
coverity scan christian.heimes, brett.cannon
cryptography christian.heimes, gregory.p.smith, dstufft
data formats mark.dickinson, georg.brandl
database lemburg
devguide ncoghlan, eric.araujo, ezio.melotti
documentation georg.brandl, ezio.melotti, eric.araujo
GUI  
i18n lemburg, eric.araujo
import machinery brett.cannon, ncoghlan, eric.snow
io pitrou, benjamin.peterson, stutzbach, hynek
locale lemburg, loewis
mathematics mark.dickinson, eric.smith, lemburg, stutzbach
memory management tim.peters, lemburg
networking giampaolo.rodola, pitrou
object model benjamin.peterson
packaging tarek, lemburg, alexis, eric.araujo, dstufft
py3 transition benjamin.peterson
release management tarek, lemburg, benjamin.peterson, barry, loewis, gvanrossum, anthonybaxter, eric.araujo, ned.deily, georg.brandl
str.format eric.smith
testing michael.foord, pitrou, ezio.melotti
test coverage ncoghlan, giampaolo.rodola, christian.heimes
threads pitrou
time and dates lemburg, belopolsky
unicode lemburg, ezio.melotti, haypo, benjamin.peterson, pitrou
version control eric.araujo, georg.brandl, ezio.melotti

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