pybind/pybind11

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Seamless operability between C++11 and Python

Stars: 18k
Forks: 2.3k
Open beginner issues: 1
Indexed issues: 574
Avg merge: 5d 17h
Merged PRs (30d): 10

Dominant language: C++
License: No license data
Last GitHub push: Sep 17, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted

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573 open issues indexed

Updates to `mkdoc.py` for generating `constexpr` trees, speed improvements, etc.? Open

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

pybind/pybind11#1896 · Opened Aug 29, 2019
2.3.0 regression: <class 'bytes'> is not converted to std::vector<uint8_t> anymore Open

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

pybind/pybind11#1807 · 5 comments · 2 reactions · Opened Jun 16, 2019
Issue binding protobuf RepeatedField and RepeatedPtrField Open

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

pybind/pybind11#1791 · 1 comment · Opened May 23, 2019
Bug with inheritance, shared_ptr holder and enable_shared_from_this Open

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

pybind/pybind11#1790 · 3 comments · 2 reactions · Opened May 22, 2019
Binding a class/enum in multiple modules fails for statically linked code despite specifying module_local() Open

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

pybind/pybind11#1789 · 1 comment · 1 reaction · Opened May 18, 2019
compare_buffer_info does not consider <i and i equal on a little-endian machine Open

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

pybind/pybind11#1787 · 1 comment · Opened May 15, 2019
Is there a straightforward way to pass numpy.float128 arguments to C++? Open

Difficulty 5/5 Over a week Newbie friendliness 28/100

pybind/pybind11#1785 · 6 comments · Opened May 10, 2019
pybind11 will downcast is stead of using overload resolution resulting in unexpected behavior Open

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

pybind/pybind11#1783 · 3 comments · Opened May 6, 2019
Convert vector of string to numpy array Open

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

pybind/pybind11#1775 · 4 comments · Opened Apr 27, 2019
std::vector from py::iterable Open

pybind/pybind11#1773 · 3 comments · 2 reactions · 1 assignee · Opened Apr 26, 2019
fail to export class inheriting from std::enable_shared_from_this Open

casters

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

pybind/pybind11#1771 · 1 comment · Opened Apr 23, 2019
Converting recursive types Open

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

pybind/pybind11#1765 · 2 comments · Opened Apr 12, 2019
Undefined symbol when installing from source Open

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

pybind/pybind11#1762 · 1 comment · Opened Apr 10, 2019
Generate docstrings for sphinx without building the library Open

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

pybind/pybind11#1740 · 6 comments · 4 reactions · Opened Mar 25, 2019
implicitly_convertible: Permit registering custom functor? Open

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

pybind/pybind11#1735 · Opened Mar 20, 2019
Use #pragma push_macro to properly restore the _DEBUG macro Open

build system

pybind/pybind11#1713 · 3 comments · 1 assignee · Opened Mar 1, 2019
Feature Request: bind_set Open

enhancement help wanted

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

pybind/pybind11#1711 · 5 comments · 2 reactions · Opened Mar 1, 2019
Feature Request: Cancelling a Nurse/Patient Relationship for keep_alive Open

enhancement help wanted

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

pybind/pybind11#1708 · 1 comment · 1 reaction · Opened Feb 22, 2019
Support classmethod Open

enhancement

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

pybind/pybind11#1693 · 5 comments · 5 reactions · Opened Feb 13, 2019
doc: Add debugging tips? Open

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

pybind/pybind11#1690 · 7 comments · 14 reactions · Opened Feb 12, 2019
module_local: Sharp edges when using inheritance? Open

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

pybind/pybind11#1689 · Opened Feb 9, 2019
std::enable_shared_from_this loses std::shared_ptr from aliasing constructor Open

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

pybind/pybind11#1688 · 2 reactions · Opened Feb 8, 2019
Feature request: numpy csr_matrix without Eigen Open

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

pybind/pybind11#1665 · 4 comments · Opened Jan 11, 2019
Problem with embedded Python in combination with CMake 3.4+ Open

pybind/pybind11#1662 · 7 comments · 3 reactions · 1 assignee · Opened Jan 8, 2019
Class instance reference count does not increase when holding one member attribute containing shared_pointers Open

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

pybind/pybind11#1643 · 1 reaction · Opened Dec 20, 2018
casting c++-base class to py-derived class failes Open

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

pybind/pybind11#1640 · 7 comments · 2 reactions · Opened Dec 18, 2018
Eigen Matrix + buffer_protocol Open

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

pybind/pybind11#1636 · 1 comment · Opened Dec 17, 2018
eigen: Passing non-referencable array to `py::cast(my_array, rvp::reference_internal, parent)` silently fails Open

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

pybind/pybind11#1631 · Opened Dec 6, 2018
Building python modules with static runtime Open

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

pybind/pybind11#1618 · 2 comments · Opened Nov 23, 2018
register_exception does not work after re-initializing an embedded interpreter Open

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

pybind/pybind11#1610 · 1 comment · Opened Nov 16, 2018
Unkown objects in docstring function signatures Open

enhancement help wanted

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

pybind/pybind11#1585 · 3 comments · Opened Nov 1, 2018
def_property and virtual inheritance Open

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

pybind/pybind11#1545 · 7 comments · Opened Sep 27, 2018
proposal: single template to check castability and return result as std::optional Open

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

pybind/pybind11#1542 · 1 comment · Opened Sep 26, 2018
Pybind11 dtype caster does not accept strings or type objects Open

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

pybind/pybind11#1538 · 1 comment · Opened Sep 20, 2018
Embedded python: Pass an C++ object by reference Open

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

pybind/pybind11#1536 · 5 comments · 1 reaction · Opened Sep 19, 2018
Request for "tagging" arguments with default without needing to duplicate the default values Open

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

pybind/pybind11#1520 · 1 comment · Opened Sep 12, 2018
hiding symbols breaking wrappers on macOS Open

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

pybind/pybind11#1503 · 3 reactions · Opened Aug 28, 2018
Do not change type of python exceptions when returning to Python Open

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

pybind/pybind11#1498 · 1 comment · Opened Aug 23, 2018
python conversion of std::pair and std::array Open

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

pybind/pybind11#1495 · 1 comment · Opened Aug 22, 2018
Failure to run module destructor (as weakref callback or as atexit handler) leads to segfault when object is later destroyed too late in CPython's shutdown sequence Open

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

pybind/pybind11#1493 · 2 comments · Opened Aug 16, 2018
Deadlock when sub-interpreter throws exception Open

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

pybind/pybind11#1490 · 2 comments · Opened Aug 13, 2018
invalid abstract return type when wrapping operator overloading on an abstract base class Open

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

pybind/pybind11#1487 · 2 comments · Opened Aug 8, 2018
Disable custom type conversion of self when calling class method Open

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

pybind/pybind11#1485 · 1 comment · Opened Aug 8, 2018
Wrap a Python io object in an ostream Open

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

pybind/pybind11#1477 · 2 comments · 6 reactions · Opened Aug 1, 2018
Wrap exception hierarchy across modules Open

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

pybind/pybind11#1475 · 5 reactions · Opened Aug 1, 2018
Unable to use bind_vector for types with unusual comparison operators Open

Difficulty 4/5 3-5 days Newbie friendliness 40/100

pybind/pybind11#1470 · 1 comment · Opened Jul 26, 2018
Cannot call embedded function from within class function Open

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

pybind/pybind11#1452 · 5 comments · Opened Jul 12, 2018
bug: pickle not working in 2.2.3 Open

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

pybind/pybind11#1450 · 1 comment · Opened Jul 9, 2018
Guidelines for packaging projects using pybind11 Open

build system

pybind/pybind11#1430 · 11 comments · 24 reactions · 1 assignee · Opened Jun 15, 2018
buffer protocol, format_descriptor for long long missing? Open

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

pybind/pybind11#1424 · 1 comment · Opened Jun 7, 2018

pybind/pybind11

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