IronLanguages/ironpython3

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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

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302 open issues indexed

test_int.test_instance_set failing on .NET 7 Open

.NET 7

Difficulty 2/5 1-3 hours Newbie friendliness 38/100

IronLanguages/ironpython3#1485 · 6 comments · Opened May 30, 2022
IronPython.SQLite not working on macOS/Linux Open

linux macOS

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

IronLanguages/ironpython3#1483 · 2 comments · Opened May 29, 2022
returning NotImplemented from __radd__ does not work as expected Open

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

IronLanguages/ironpython3#1479 · Opened May 27, 2022
Incorrect implementation of ctypes.get_last_error and set_last_error Open

module-ctypes

Difficulty 5/5 Over a week Newbie friendliness 35/100

IronLanguages/ironpython3#1477 · Opened May 24, 2022
PEP 520 – Preserving Class Attribute Definition Order Open

What's New In Python 3.6

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

IronLanguages/ironpython3#1468 · Opened May 23, 2022
PEP 468 – Preserving the order of **kwargs in a function Open

What's New In Python 3.6

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

IronLanguages/ironpython3#1460 · 2 comments · Opened May 17, 2022
PEP 495 – Local Time Disambiguation Open

What's New In Python 3.6

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

IronLanguages/ironpython3#1459 · Opened May 17, 2022
Add support for e format in _struct Open

module-struct What's New In Python 3.6

Difficulty 4/5 3-5 days Newbie friendliness 45/100

IronLanguages/ironpython3#1458 · 5 comments · Opened May 17, 2022
passing invalid arguments to ctypes.cast crashes the runtime on Linux Open

linux module-ctypes

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

IronLanguages/ironpython3#1455 · Opened May 14, 2022
review PythonOps.TryInvokeLengthHint implementation Open

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

IronLanguages/ironpython3#1454 · Opened May 13, 2022
backslashreplace error handlers should work for decoding and translating Open

What's New In Python 3.5

Difficulty 3/5 1-2 days Newbie friendliness 52/100

IronLanguages/ironpython3#1452 · Opened May 12, 2022
PEP 487 – Simpler customisation of class creation Open

What's New In Python 3.6

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

IronLanguages/ironpython3#1448 · Opened May 11, 2022
bytes.decode("utf-16") not detecting BOM Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

IronLanguages/ironpython3#1445 · Opened May 10, 2022
ScenarioXGC is failing Open

3.6 regression testing

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

IronLanguages/ironpython3#1444 · Opened May 9, 2022
Bitfield alignment rules used by gcc are unsupported Open

module-ctypes posix

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

IronLanguages/ironpython3#1442 · Opened May 8, 2022
Some test cases try to run ipy with -I and fail in release mode Open

3.6 testing

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

IronLanguages/ironpython3#1440 · 3 comments · Opened May 7, 2022
pyserial throws exception when creating serial port Open

confirmed

IronLanguages/ironpython3#1439 · 7 comments · 1 assignee · Opened May 4, 2022
Add create_builtin and exec_builtin to _imp Open

What's New In Python 3.6

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

IronLanguages/ironpython3#1430 · 1 comment · Opened May 1, 2022
Missing algorithms in hashlib Open

3.6 What's New In Python 3.6

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

IronLanguages/ironpython3#1429 · Opened May 1, 2022
Command-line option -I does not remove the script's directory from path Open

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

IronLanguages/ironpython3#1425 · 2 comments · Opened Apr 29, 2022
mangled class attributes not accessible in f-strings Open

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

IronLanguages/ironpython3#1421 · Opened Apr 25, 2022
Support modifier spans in re Open

module-re What's New In Python 3.6

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

IronLanguages/ironpython3#1419 · 1 comment · Opened Apr 24, 2022
Idea: quick'n'dirty Python 3.6 support Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

IronLanguages/ironpython3#1418 · 3 comments · Opened Apr 24, 2022
object.__init__() takes no parameters in test_inheritance Open

testing

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

IronLanguages/ironpython3#1413 · 2 comments · Opened Apr 21, 2022
struct module does not accept mmap Open

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

IronLanguages/ironpython3#1408 · Opened Apr 18, 2022
ctypes .from_buffer only works for array.array Open

module-ctypes

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

IronLanguages/ironpython3#1404 · 10 comments · Opened Apr 17, 2022
On Mono, not all CLR members defined on int are available on all int instances Open

Mono

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

IronLanguages/ironpython3#1401 · 1 comment · Opened Apr 16, 2022
Incorrect usage of `Converter.TryConvertToString`? Open

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

IronLanguages/ironpython3#1355 · Opened Mar 16, 2022
AttributeError not passed through when calling getattr Open

CPython compatibility

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

IronLanguages/ironpython3#1353 · Opened Mar 15, 2022
PEP 594 – Removing dead batteries from the standard library Open

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

IronLanguages/ironpython3#1352 · Opened Mar 15, 2022
SyntaxError: (unicode error) messages are missing byte positions Open

CPython compatibility

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

IronLanguages/ironpython3#1348 · Opened Mar 13, 2022
Incorrect messages for some `SyntaxError`s related to f-strings Open

CPython compatibility What's New In Python 3.6

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

IronLanguages/ironpython3#1346 · Opened Mar 12, 2022
AST locations of f-string are incorrect Open

What's New In Python 3.6

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

IronLanguages/ironpython3#1345 · Opened Mar 12, 2022
Support `yield`/`yield from` in f-strings Open

What's New In Python 3.6

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

IronLanguages/ironpython3#1344 · Opened Mar 12, 2022
Add DeprecationWarning for invalid escape sequences Open

What's New In Python 3.6

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

IronLanguages/ironpython3#1343 · Opened Mar 12, 2022
CA1416 for FileStream.Lock on macOS Open

macOS

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

IronLanguages/ironpython3#1331 · Opened Mar 1, 2022
Extensible<T> fails on accessing static properties Open

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

IronLanguages/ironpython3#1326 · 2 comments · Opened Feb 24, 2022
Script Shutdown() doesn't stop running python script Open

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

IronLanguages/ironpython3#1312 · 4 comments · Opened Jan 24, 2022
SetOutput to stream doesn't work (3.4.0-alpha1) Open

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

IronLanguages/ironpython3#1311 · 5 comments · Opened Jan 24, 2022
import pty module causes ImportException: No module named 'termios' Open

posix

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

IronLanguages/ironpython3#1308 · 4 comments · Opened Jan 10, 2022
How to wait something Open

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

IronLanguages/ironpython3#1307 · 1 comment · Opened Dec 15, 2021
Intermittent failure in ctypes.test_random_things Open

module-ctypes

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

IronLanguages/ironpython3#1300 · Opened Sep 19, 2021
Segmentation fault running ctypes.test_slicing on Mono. Open

module-ctypes Mono

Difficulty 4/5 3-5 days Newbie friendliness 28/100

IronLanguages/ironpython3#1299 · Opened Sep 19, 2021
Cleanup and add tutorials from main repo Open

documentation

Difficulty 4/5 3-5 days Newbie friendliness 28/100

IronLanguages/ironpython3#1295 · 1 comment · Opened Sep 10, 2021
Document how to add the standard library to a .NET project Open

documentation good first issue

Difficulty 2/5 1-3 hours Newbie friendliness 58/100

IronLanguages/ironpython3#1294 · 1 comment · Opened Sep 8, 2021
Please consider to make ipyc.exe can compile Python code to .NET 5 dll? Open

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

IronLanguages/ironpython3#1291 · 1 comment · Opened Sep 4, 2021
Document and add test for ResourceMetaPathImporter Open

documentation good first issue testing

IronLanguages/ironpython3#1283 · 5 comments · 1 assignee · Opened Aug 21, 2021
re fails to match escaped wide characters Open

module-re What's New In Python 3.3

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

IronLanguages/ironpython3#1274 · Opened Aug 11, 2021
Recusive instance in dict causes IronPython crashing. Open

confirmed

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

IronLanguages/ironpython3#1265 · Opened Aug 3, 2021
Running compile() with large size expression crashes IronPython. Open

confirmed

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

IronLanguages/ironpython3#1264 · Opened Aug 3, 2021

IronLanguages/ironpython3

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