IronLanguages/ironpython3

View on GitHub

Implementation of Python 3.x for .NET Framework that is built on top of the Dynamic Language Runtime.

Stars: 2.8k
Forks: 316
Open beginner issues: 0
Indexed issues: 302
Avg merge: 1d 9h
Merged PRs (30d): 1

Dominant language: C#
License: Apache-2.0
Last GitHub push: Aug 31, 2026
Latest indexed: Sep 20, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue

Beginner friendly Everything

Open All

302 open issues indexed

Recusive call of except branch in "yield from" crashes IronPython Open

confirmed

Difficulty 4/5 3-5 days Newbie friendliness 42/100

IronLanguages/ironpython3#1262 · 1 comment · Opened Aug 3, 2021
IronPython crashes when repr() handles too long nest dictionary Open

confirmed

Difficulty 4/5 3-5 days Newbie friendliness 38/100

IronLanguages/ironpython3#1261 · Opened Aug 3, 2021
Transforming a long list cause IronPython crashes Open

confirmed

Difficulty 4/5 3-5 days Newbie friendliness 35/100

IronLanguages/ironpython3#1260 · 1 comment · Opened Aug 3, 2021
Function truncate() causes core dumped. Open

confirmed module-mmap

Difficulty 4/5 3-5 days Newbie friendliness 30/100

IronLanguages/ironpython3#1254 · 2 comments · Opened Jul 26, 2021
Infinite loop causes Null Reference Exception of ironpython Open

confirmed Mono

Difficulty 4/5 3-5 days Newbie friendliness 35/100

IronLanguages/ironpython3#1253 · 1 comment · Opened Jul 26, 2021
Incorrect usage of ctype causes ironpython crashing. Open

confirmed module-ctypes

Difficulty 4/5 3-5 days Newbie friendliness 25/100

IronLanguages/ironpython3#1252 · 2 comments · Opened Jul 26, 2021
Incorrect argument in function select() causes stack overflow Open

confirmed

Difficulty 4/5 3-5 days Newbie friendliness 35/100

IronLanguages/ironpython3#1251 · 3 comments · Opened Jul 26, 2021
generator does not free resources after iteration Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

IronLanguages/ironpython3#1246 · Opened Jul 4, 2021
__loader__ not in globals Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

IronLanguages/ironpython3#1245 · Opened Jul 3, 2021
share is missing on socket.socket Open

module-socket What's New In Python 3.3

Difficulty 3/5 1-2 days Newbie friendliness 42/100

IronLanguages/ironpython3#1226 · Opened May 16, 2021
PEP 446 -- Make newly created file descriptors non-inheritable Open

What's New In Python 3.4

Difficulty 4/5 3-5 days Newbie friendliness 35/100

IronLanguages/ironpython3#1225 · Opened May 16, 2021
socket.detach implementation has issues Open

module-socket

Difficulty 4/5 3-5 days Newbie friendliness 38/100

IronLanguages/ironpython3#1224 · Opened May 16, 2021
socket.dup is missing Open

module-socket What's New In Python 3.0

Difficulty 3/5 1-2 days Newbie friendliness 35/100

IronLanguages/ironpython3#1223 · Opened May 16, 2021
Closing a socket does not clear the fileno Open

module-socket

Difficulty 3/5 1-2 days Newbie friendliness 45/100

IronLanguages/ironpython3#1221 · Opened May 16, 2021
memoryview assignment fails for .NET numeric types Open

.NET interop

Difficulty 4/5 3-5 days Newbie friendliness 35/100

IronLanguages/ironpython3#1219 · Opened May 14, 2021
Duplicate file is closed when original file is closed Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

IronLanguages/ironpython3#1212 · Opened May 8, 2021
PEP 528 -- Change Windows console encoding to UTF-8 Open

What's New In Python 3.6

Difficulty 4/5 3-5 days Newbie friendliness 25/100

IronLanguages/ironpython3#1209 · 1 comment · Opened May 7, 2021
Console.SetOut does not output print statement output Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

IronLanguages/ironpython3#1204 · 4 comments · Opened May 4, 2021
Implement os.fork on posix Open

module-os posix

Difficulty 5/5 Over a week Newbie friendliness 25/100

IronLanguages/ironpython3#1201 · Opened May 2, 2021
Running ipy interactive in the background gets stuck loop Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

IronLanguages/ironpython3#1193 · Opened Apr 25, 2021
Invalid characters in sys.path raises a ValueError when trying to import Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

IronLanguages/ironpython3#1188 · Opened Apr 22, 2021
StackOverflowException with continue from try..except Open

core

Difficulty 4/5 3-5 days Newbie friendliness 35/100

IronLanguages/ironpython3#1182 · 1 comment · Opened Apr 21, 2021
Dict unpacking fails with .NET Dictionary Open

.NET interop

Difficulty 4/5 3-5 days Newbie friendliness 35/100

IronLanguages/ironpython3#1174 · Opened Apr 16, 2021
Memory BIO Support Open

What's New In Python 3.5

Difficulty 4/5 3-5 days Newbie friendliness 25/100

IronLanguages/ironpython3#1162 · Opened Apr 4, 2021
some error messages in argument unpacking are different from CPython Open

CPython compatibility

Difficulty 3/5 1-2 days Newbie friendliness 45/100

IronLanguages/ironpython3#1161 · 1 comment · Opened Apr 4, 2021
PEP 529 -- Change Windows filesystem encoding to UTF-8 Open

What's New In Python 3.6

Difficulty 5/5 Over a week Newbie friendliness 20/100

IronLanguages/ironpython3#1156 · Opened Mar 30, 2021
contextmanager swallows StopIteration Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

IronLanguages/ironpython3#1148 · Opened Mar 26, 2021
PEP 471 -- os.scandir() function Open

module-os What's New In Python 3.5

Difficulty 4/5 3-5 days Newbie friendliness 25/100

IronLanguages/ironpython3#1106 · 1 comment · Opened Feb 24, 2021
Get rid of PythonOperationKind.Compare Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

IronLanguages/ironpython3#1103 · Opened Feb 22, 2021
os.mkdir(support.TESTFN_UNDECODABLE) fails on Mono Open

linux module-os Mono

Difficulty 4/5 3-5 days Newbie friendliness 42/100

IronLanguages/ironpython3#1102 · Opened Feb 21, 2021
re does not handle bytes properly Open

module-re

Difficulty 4/5 3-5 days Newbie friendliness 35/100

IronLanguages/ironpython3#1100 · Opened Feb 20, 2021
re does not handle re.ASCII properly Open

module-re

Difficulty 3/5 1-2 days Newbie friendliness 35/100

IronLanguages/ironpython3#1099 · 2 comments · Opened Feb 20, 2021
Multiple targets could match in write function of io.BytesIO subclass Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

IronLanguages/ironpython3#1070 · 6 comments · Opened Dec 2, 2020
Tests which run in release mode with -E fail to load the standard library Open

testing

Difficulty 4/5 3-5 days Newbie friendliness 35/100

IronLanguages/ironpython3#1067 · 2 comments · Opened Dec 1, 2020
test_threadedtempfile fails intermittently on macOS .NET 5 during CI Open

.NET 5 macOS posix

Difficulty 4/5 3-5 days Newbie friendliness 25/100

IronLanguages/ironpython3#1063 · Opened Nov 30, 2020
Console output generating incorrect line endings Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

IronLanguages/ironpython3#1061 · Opened Nov 29, 2020
nntplib.NNTP_SSL failure on Linux .NET 5 Open

.NET 5 linux

Difficulty 3/5 1-2 days Newbie friendliness 30/100

IronLanguages/ironpython3#1058 · Opened Nov 28, 2020
Consider implementing ICustomTypeDescriptor on PythonType Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

IronLanguages/ironpython3#1057 · Opened Nov 27, 2020
GC thread not synchronized with main thread when acessing shared variables Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

IronLanguages/ironpython3#1056 · 1 comment · Opened Nov 27, 2020
_scproxy missing on macOS Open

macOS

Difficulty 4/5 3-5 days Newbie friendliness 25/100

IronLanguages/ironpython3#1050 · Opened Nov 24, 2020
compile no longer requires that multi-line "exec" statements end in a newline Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

IronLanguages/ironpython3#1047 · Opened Nov 23, 2020
Build fails intermittently due to missing XML documentation files Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

IronLanguages/ironpython3#1045 · 2 comments · Opened Nov 20, 2020
test_system_timers is unstable Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

IronLanguages/ironpython3#1037 · Opened Nov 15, 2020
Parser reports multiple syntax errors in test_syntax Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

IronLanguages/ironpython3#1034 · Opened Nov 14, 2020
Tests that were passing with IronPython 2 Open

testing

Difficulty 4/5 3-5 days Newbie friendliness 35/100

IronLanguages/ironpython3#1031 · Opened Nov 12, 2020
Changes to the locals() dictionary should not affect the locals Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

IronLanguages/ironpython3#1029 · Opened Nov 12, 2020
SYSLIB0006 Open

.NET 5 .NET 6

Difficulty 4/5 3-5 days Newbie friendliness 25/100

IronLanguages/ironpython3#1024 · 1 comment · Opened Nov 11, 2020
SYSLIB0004 Open

.NET 5 module-ctypes

Difficulty 4/5 3-5 days Newbie friendliness 30/100

IronLanguages/ironpython3#1023 · Opened Nov 11, 2020
Keyword-only argument issues Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

IronLanguages/ironpython3#1019 · 2 comments · Opened Nov 8, 2020
Derived exceptions not caught by C# Open

core

Difficulty 4/5 3-5 days Newbie friendliness 38/100

IronLanguages/ironpython3#1012 · 4 comments · Opened Nov 2, 2020

IronLanguages/ironpython3

Get new issues in your inbox