David Hewitt c734b116f9 macros: fix syn patch version

2022-03-21 23:53:08 +00:00

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Changelog

All notable changes to this project will be documented in this file. For help with updating to new PyO3 versions, please see the migration guide.

The format is based on Keep a Changelog and this project adheres to Semantic Versioning.

Unreleased

Fixed

Considered PYTHONFRAMEWORK when cross compiling in order that on macos cross compiling against a Framework bundle is considered shared. #2233
Panic during compilation when PYO3_CROSS_LIB_DIR is set for some host/target combinations. #2232
Correct dependency version for syn to require correct minimal patch version 1.0.56. #2240

Added

Added as_bytes on Py<PyBytes>. #2235

0.16.2 - 2022-03-15

Packaging

Warn when modules are imported on PyPy 3.7 versions older than PyPy 7.3.8, as they are known to have binary compatibility issues. #2217
Ensure build script of pyo3-ffi runs before that of pyo3 to fix cross compilation. #2224

0.16.1 - 2022-03-05

Packaging

Extend hashbrown optional dependency supported versions to include 0.12. #2197

Fixed

Fix incorrect platform detection for Windows in pyo3-build-config. #2198
Fix regression from 0.16 preventing cross compiling to aarch64 macOS. #2201

0.16.0 - 2022-02-27

Packaging

Update MSRV to Rust 1.48. #2004
Update indoc optional dependency to 1.0. #2004
Drop support for Python 3.6, remove abi3-py36 feature. #2006
pyo3-build-config no longer enables the resolve-config feature by default. #2008
Update inventory optional dependency to 0.2. #2019
Drop paste dependency. #2081
The bindings found in pyo3::ffi are now a re-export of a separate pyo3-ffi crate. #2126
Support PyPy 3.9. #2143

Added

Add PyCapsule type exposing the Capsule API. #1980
Add pyo3_build_config::Sysconfigdata and supporting APIs. #1996
Add Py::setattr method. #2009
Add #[pyo3(crate = "some::path")] option to all attribute macros (except the deprecated #[pyproto]). #2022
Enable create_exception! macro to take an optional docstring. #2027
Enable #[pyclass] for fieldless (aka C-like) enums. #2034
Add buffer magic methods __getbuffer__ and __releasebuffer__ to #[pymethods]. #2067
Add support for paths in wrap_pyfunction and wrap_pymodule. #2081
Enable wrap_pyfunction! to wrap a #[pyfunction] implemented in a different Rust module or crate. #2091
Add PyAny::contains method (in operator for PyAny). #2115
Add PyMapping::contains method (in operator for PyMapping). #2133
Add garbage collection magic magic methods __traverse__ and __clear__ to #[pymethods]. #2159
Add support for from_py_with on struct tuples and enums to override the default from-Python conversion. #2181
Add eq, ne, lt, le, gt, ge methods to PyAny that wrap rich_compare. #2175
Add Py::is and PyAny::is methods to check for object identity. #2183
Add support for the __getattribute__ magic method. #2187

Changed

PyType::is_subclass, PyErr::is_instance and PyAny::is_instance now operate run-time type object instead of a type known at compile-time. The old behavior is still available as PyType::is_subclass_of, PyErr::is_instance_of and PyAny::is_instance_of. #1985
Rename some methods on PyErr (the old names are just marked deprecated for now): #2026
- pytype -> get_type
- pvalue -> value (and deprecate equivalent instance)
- ptraceback -> traceback
- from_instance -> from_value
- into_instance -> into_value
PyErr::new_type now takes an optional docstring and now returns PyResult<Py<PyType>> rather than a ffi::PyTypeObject pointer. #2027
Deprecate PyType::is_instance; it is inconsistent with other is_instance methods in PyO3. Instead of typ.is_instance(obj), use obj.is_instance(typ). #2031
__getitem__, __setitem__ and __delitem__ in #[pymethods] now implement both a Python mapping and sequence by default. #2065
Improve performance and error messages for #[derive(FromPyObject)] for enums. #2068
Reduce generated LLVM code size (to improve compile times) for:
- internal handle_panic helper #2074 #2158
- #[pyfunction] and #[pymethods] argument extraction #2075 #2085
- #[pyclass] type object creation #2076 #2081 #2157
Respect Rust privacy rules for items wrapped with wrap_pyfunction and wrap_pymodule. #2081
Add modulo argument to __ipow__ magic method. #2083
Fix FFI definition for _PyCFunctionFast. #2126
PyDateTimeAPI and PyDateTime_TimeZone_UTC are are now unsafe functions instead of statics. #2126
PyDateTimeAPI does not implicitly call PyDateTime_IMPORT anymore to reflect the original Python API more closely. Before the first call to PyDateTime_IMPORT a null pointer is returned. Therefore before calling any of the following FFI functions PyDateTime_IMPORT must be called to avoid undefined behaviour: #2126
- PyDateTime_TimeZone_UTC
- PyDate_Check
- PyDate_CheckExact
- PyDateTime_Check
- PyDateTime_CheckExact
- PyTime_Check
- PyTime_CheckExact
- PyDelta_Check
- PyDelta_CheckExact
- PyTZInfo_Check
- PyTZInfo_CheckExact
- PyDateTime_FromTimestamp
- PyDate_FromTimestamp
Deprecate the gc option for pyclass (e.g. #[pyclass(gc)]). Just implement a __traverse__ #[pymethod]. #2159
The ml_meth field of PyMethodDef is now represented by the PyMethodDefPointer union. 2166
Deprecate the #[pyproto] traits. #2173

Removed

Remove all functionality deprecated in PyO3 0.14. #2007
Remove Default impl for PyMethodDef. #2166
Remove PartialEq impl for Py and PyAny (use the new is() instead). #2183

Fixed

Fix undefined symbol for PyObject_HasAttr on PyPy. #2025
Fix memory leak in PyErr::into_value. #2026
Fix clippy warning needless-option-as-deref in code generated by #[pyfunction] and #[pymethods]. #2040
Fix undefined behavior in PySlice::indices. #2061
Fix the wrap_pymodule! macro using the wrong name for a #[pymodule] with a #[pyo3(name = "..")] attribute. #2081
Fix magic methods in #[pymethods] accepting implementations with the wrong number of arguments. #2083
Fix panic in #[pyfunction] generated code when a required argument following an Option was not provided. #2093
Fixed undefined behaviour caused by incorrect ExactSizeIterator implementations. #2124
Fix missing FFI definition PyCMethod_New on Python 3.9 and up. #2143
Add missing FFI definitions _PyLong_NumBits and _PyLong_AsByteArray on PyPy. #2146
Fix memory leak in implementation of AsPyPointer for Option<T>. #2160
Fix FFI definition of _PyLong_NumBits to return size_t instead of c_int. #2161
Fix TypeError thrown when argument parsing failed missing the originating causes. 2177

0.15.1 - 2021-11-19

Added

Add implementations for Py::as_ref() and Py::into_ref() for Py<PySequence>, Py<PyIterator> and Py<PyMapping>. #1682
Add PyTraceback type to represent and format Python tracebacks. #1977

Changed

#[classattr] constants with a known magic method name (which is lowercase) no longer trigger lint warnings expecting constants to be uppercase. #1969

Fixed

Fix creating #[classattr] by functions with the name of a known magic method. #1969
Fix use of catch_unwind in allow_threads which can cause fatal crashes. #1989
Fix build failure on PyPy when abi3 features are activated. #1991
Fix mingw platform detection. #1993
Fix panic in __get__ implementation when accessing descriptor on type object. #1997

0.15.0 - 2021-11-03

Packaging

pyo3's Cargo.toml now advertises links = "python" to inform Cargo that it links against libpython. #1819
Added optional anyhow feature to convert anyhow::Error into PyErr. #1822
Support Python 3.10. #1889
Added optional eyre feature to convert eyre::Report into PyErr. #1893
Support PyPy 3.8. #1948

Added

Add PyList::get_item_unchecked and PyTuple::get_item_unchecked to get items without bounds checks. #1733
Support #[doc = include_str!(...)] attributes on Rust 1.54 and up. #1746
Add PyAny::py as a convenience for PyNativeType::py. #1751
Add implementation of std::ops::Index<usize> for PyList, PyTuple and PySequence. #1825
Add range indexing implementations of std::ops::Index for PyList, PyTuple and PySequence. #1829
Add PyMapping type to represent the Python mapping protocol. #1844
Add commonly-used sequence methods to PyList and PyTuple. #1849
Add as_sequence methods to PyList and PyTuple. #1860
Add support for magic methods in #[pymethods], intended as a replacement for #[pyproto]. #1864
Add abi3-py310 feature. #1889
Add PyCFunction::new_closure to create a Python function from a Rust closure. #1901
Add support for positional-only arguments in #[pyfunction]. #1925
Add PyErr::take to attempt to fetch a Python exception if present. #1957

Changed

PyList, PyTuple and PySequence's APIs now accepts only usize indices instead of isize. #1733, #1802, #1803
PyList::get_item and PyTuple::get_item now return PyResult<&PyAny> instead of panicking. #1733
PySequence::in_place_repeat and PySequence::in_place_concat now return PyResult<&PySequence> instead of PyResult<()>, which is needed in case of immutable sequences such as tuples. #1803
PySequence::get_slice now returns PyResult<&PySequence> instead of PyResult<&PyAny>. #1829
Deprecate PyTuple::split_from. #1804
Deprecate PyTuple::slice, new method PyTuple::get_slice added with usize indices. #1828
Deprecate FFI definitions PyParser_SimpleParseStringFlags, PyParser_SimpleParseStringFlagsFilename, PyParser_SimpleParseFileFlags when building for Python 3.9. #1830
Mark FFI definitions removed in Python 3.10 PyParser_ASTFromString, PyParser_ASTFromStringObject, PyParser_ASTFromFile, PyParser_ASTFromFileObject, PyParser_SimpleParseStringFlags, PyParser_SimpleParseStringFlagsFilename, PyParser_SimpleParseFileFlags, PyParser_SimpleParseString, PyParser_SimpleParseFile, Py_SymtableString, and Py_SymtableStringObject. #1830
#[pymethods] now handles magic methods similarly to #[pyproto]. In the future, #[pyproto] may be deprecated. #1864
Deprecate FFI definitions PySys_AddWarnOption, PySys_AddWarnOptionUnicode and PySys_HasWarnOptions. #1887
Deprecate #[call] attribute in favor of using fn __call__. #1929
Fix missing FFI definition _PyImport_FindExtensionObject on Python 3.10. #1942
Change PyErr::fetch to panic in debug mode if no exception is present. #1957

Fixed

Fix building with a conda environment on Windows. #1873
Fix panic on Python 3.6 when calling Python::with_gil with Python initialized but threading not initialized. #1874
Fix incorrect linking to version-specific DLL instead of python3.dll when cross-compiling to Windows with abi3. #1880
Fix FFI definition for PyTuple_ClearFreeList incorrectly being present for Python 3.9 and up. #1887
Fix panic in generated #[derive(FromPyObject)] for enums. #1888
Fix cross-compiling to Python 3.7 builds with the "m" abi flag. #1908
Fix __mod__ magic method fallback to __rmod__. #1934.
Fix missing FFI definition _PyImport_FindExtensionObject on Python 3.10. #1942

0.14.5 - 2021-09-05

Added

Make pyo3_build_config::InterpreterConfig and subfields public. #1848
Add resolve-config feature to the pyo3-build-config to control whether its build script does anything. #1856

Fixed

Fix 0.14.4 compile regression on s390x-unknown-linux-gnu target. #1850

0.14.4 - 2021-08-29

Changed

Mark PyString::data as unsafe and disable it and some supporting PyUnicode FFI APIs (which depend on a C bitfield) on big-endian targets. #1834

0.14.3 - 2021-08-22

Added

Add PyString::data to access the raw bytes stored in a Python string. #1794

Fixed

Raise AttributeError to avoid panic when calling del on a #[setter] defined class property. #1779
Restrict FFI definitions PyGILState_Check and Py_tracefunc to the unlimited API. #1787
Add missing _type field to PyStatus struct definition. #1791
Reduce lower bound num-complex optional dependency to support interop with rust-numpy and ndarray when building with the MSRV of 1.41 #1799
Fix memory leak in Python::run_code. #1806
Fix memory leak in PyModule::from_code. #1810
Remove use of pyo3:: in pyo3::types::datetime which broke builds using -Z avoid-dev-deps #1811

0.14.2 - 2021-08-09

Added

Add indexmap feature to add ToPyObject, IntoPy and FromPyObject implementations for indexmap::IndexMap. #1728
Add pyo3_build_config::add_extension_module_link_args to use in build scripts to set linker arguments (for macOS). #1755
Add Python::with_gil_unchecked unsafe variation of Python::with_gil to allow obtaining a Python in scenarios where Python::with_gil would fail. #1769

Changed

PyErr::new no longer acquires the Python GIL internally. #1724
Reverted PyO3 0.14.0's use of cargo:rustc-cdylib-link-arg in its build script, as Cargo unintentionally allowed crates to pass linker args to downstream crates in this way. Projects supporting macOS may need to restore .cargo/config.toml files. #1755

Fixed

Fix regression in 0.14.0 rejecting usage of #[doc(hidden)] on structs and functions annotated with PyO3 macros. #1722
Fix regression in 0.14.0 leading to incorrect code coverage being computed for #[pyfunction]s. #1726
Fix incorrect FFI definition of Py_Buffer on PyPy. #1737
Fix incorrect calculation of dictoffset on 32-bit Windows. #1475
Fix regression in 0.13.2 leading to linking to incorrect Python library on Windows "gnu" targets. #1759
Fix compiler warning: deny trailing semicolons in expression macro. #1762
Fix incorrect FFI definition of Py_DecodeLocale. The 2nd argument is now *mut Py_ssize_t instead of Py_ssize_t. #1766

0.14.1 - 2021-07-04

Added

Implement IntoPy<PyObject> for &PathBuf and &OsString. #1712

Fixed

Fix crashes on PyPy due to incorrect definitions of PyList_SET_ITEM. #1713

0.14.0 - 2021-07-03

Packaging

Update num-bigint optional dependency to 0.4. #1481
Update num-complex optional dependency to 0.4. #1482
Extend hashbrown optional dependency supported versions to include 0.11. #1496
Support PyPy 3.7. #1538

Added

Extend conversions for [T; N] to all N using const generics (on Rust 1.51 and up). #1128
Add conversions between OsStr/ OsString and Python strings. #1379
Add conversions between Path/ PathBuf and Python strings (and pathlib.Path objects). #1379 #1654
Add a new set of #[pyo3(...)] attributes to control various PyO3 macro functionality:
- #[pyo3(from_py_with = "...")] function arguments and struct fields to override the default from-Python conversion. #1411
- #[pyo3(name = "...")] for setting Python names. #1567
- #[pyo3(text_signature = "...")] for setting text signature. #1658
Add FFI definition PyCFunction_CheckExact for Python 3.9 and later. #1425
Add FFI definition Py_IS_TYPE. #1429
Add FFI definition _Py_InitializeMain. #1473
Add FFI definitions from cpython/import.h.#1475
Add tuple and unit struct support for #[pyclass] macro. #1504
Add FFI definition PyDateTime_TimeZone_UTC. #1572
Add support for #[pyclass(extends=Exception)]. #1591
Add PyErr::cause and PyErr::set_cause. #1679
Add FFI definitions from cpython/pystate.h. #1687
Add wrap_pyfunction! macro to pyo3::prelude. #1695

Changed

Allow only one #[pymethods] block per #[pyclass] by default, to remove the dependency on inventory. Add a multiple-pymethods feature to opt-in the original behavior and dependency on inventory. #1457
Change PyTimeAccess::get_fold to return a bool instead of a u8. #1397
Deprecate FFI definition PyCFunction_Call for Python 3.9 and up. #1425
Deprecate FFI definition PyModule_GetFilename. #1425
The auto-initialize feature is no longer enabled by default. #1443
Change PyCFunction::new and PyCFunction::new_with_keywords to take &'static str arguments rather than implicitly copying (and leaking) them. #1450
Deprecate PyModule::call, PyModule::call0, PyModule::call1 and PyModule::get. #1492
Add length information to PyBufferErrors raised from PyBuffer::copy_to_slice and PyBuffer::copy_from_slice. #1534
Automatically set -undefined and dynamic_lookup linker arguments on macOS with the extension-module feature. #1539
Deprecate #[pyproto] methods which are easier to implement as #[pymethods]: #1560
- PyBasicProtocol::__bytes__ and PyBasicProtocol::__format__
- PyContextProtocol::__enter__ and PyContextProtocol::__exit__
- PyDescrProtocol::__delete__ and PyDescrProtocol::__set_name__
- PyMappingProtocol::__reversed__
- PyNumberProtocol::__complex__ and PyNumberProtocol::__round__
- PyAsyncProtocol::__aenter__ and PyAsyncProtocol::__aexit__
Deprecate several attributes in favor of the new #[pyo3(...)] options:
- #[name = "..."], replaced by #[pyo3(name = "...")] #1567
- #[pyfn(m, "name")], replaced by #[pyfn(m)] #[pyo3(name = "...")]. #1610
- #[pymodule(name)], replaced by #[pymodule] #[pyo3(name = "...")] #1650
- #[text_signature = "..."], replaced by #[pyo3(text_signature = "...")]. #1658
Reduce LLVM line counts to improve compilation times. #1604
No longer call PyEval_InitThreads in #[pymodule] init code. #1630
Use METH_FASTCALL argument passing convention, when possible, to improve #[pyfunction] and method performance. #1619, #1660
Filter sysconfigdata candidates by architecture when cross-compiling. #1626

Removed

Remove deprecated exception names BaseException etc. #1426
Remove deprecated methods Python::is_instance, Python::is_subclass, Python::release, Python::xdecref, and Py::from_owned_ptr_or_panic. #1426
Remove many FFI definitions which never existed in the Python C-API:
- (previously deprecated) PyGetSetDef_INIT, PyGetSetDef_DICT, PyCoro_Check, PyCoroWrapper_Check, and PyAsyncGen_Check #1426
- PyMethodDef_INIT #1426
- PyTypeObject_INIT #1429
- PyObject_Check, PySuper_Check, and FreeFunc #1438
- PyModuleDef_INIT #1630
Remove pyclass implementation details from PyTypeInfo:
- Type, DESCRIPTION, and FLAGS #1456
- BaseType, BaseLayout, Layout, Initializer #1596
Remove PYO3_CROSS_INCLUDE_DIR environment variable and the associated C header parsing functionality. #1521
Remove raw_pycfunction! macro. #1619
Remove PyClassAlloc trait. #1657
Remove PyList::get_parked_item. #1664

Fixed

Remove FFI definition PyCFunction_ClearFreeList for Python 3.9 and later. #1425
PYO3_CROSS_LIB_DIR enviroment variable no long required when compiling for x86-64 Python from macOS arm64 and reverse. #1428
Fix FFI definition _PyEval_RequestCodeExtraIndex, which took an argument of the wrong type. #1429
Fix FFI definition PyIndex_Check missing with the abi3 feature. #1436
Fix incorrect TypeError raised when keyword-only argument passed along with a positional argument in *args. #1440
Fix inability to use a named lifetime for &PyTuple of *args in #[pyfunction]. #1440
Fix use of Python argument for #[pymethods] inside macro expansions. #1505
No longer include __doc__ in __all__ generated for #[pymodule]. #1509
Always use cross-compiling configuration if any of the PYO3_CROSS family of environment variables are set. #1514
Support EnvironmentError, IOError, and WindowsError on PyPy. #1533
Fix unneccessary rebuilds when cycling between cargo check and cargo clippy in a Python virtualenv. #1557
Fix segfault when dereferencing ffi::PyDateTimeAPI without the GIL. #1563
Fix memory leak in FromPyObject implementations for u128 and i128. #1638
Fix #[pyclass(extends=PyDict)] leaking the dict contents on drop. #1657
Fix segfault when calling PyList::get_item with negative indices. #1668
Fix FFI definitions of PyEval_SetProfile/PyEval_SetTrace to take Option<Py_tracefunc> parameters. #1692
Fix ToPyObject impl for HashSet to accept non-default hashers. #1702

0.13.2 - 2021-02-12

Packaging

Lower minimum supported Rust version to 1.41. #1421

Added

Add unsafe API with_embedded_python_interpreter to initialize a Python interpreter, execute a closure, and finalize the interpreter. #1355
Add serde feature which provides implementations of Serialize and Deserialize for Py<T>. #1366
Add FFI definition _PyCFunctionFastWithKeywords on Python 3.7 and up. #1384
Add PyDateTime::new_with_fold method. #1398
Add size_hint impls for {PyDict,PyList,PySet,PyTuple}Iterators. #1699

Changed

prepare_freethreaded_python will no longer register an atexit handler to call Py_Finalize. This resolves a number of issues with incompatible C extensions causing crashes at finalization. #1355
Mark PyLayout::py_init, PyClassDict::clear_dict, and opt_to_pyobj safe, as they do not perform any unsafe operations. #1404

Fixed

Fix support for using r#raw_idents as argument names in pyfunctions. #1383
Fix typo in FFI definition for PyFunction_GetCode (was incorrectly PyFunction_Code). #1387
Fix FFI definitions PyMarshal_WriteObjectToString and PyMarshal_ReadObjectFromString as available in limited API. #1387
Fix FFI definitions PyListObject and those from funcobject.h as requiring non-limited API. #1387
Fix unqualified Result usage in pyobject_native_type_base. #1402
Fix build on systems where the default Python encoding is not UTF-8. #1405
Fix build on mingw / MSYS2. #1423

0.13.1 - 2021-01-10

Added

Add support for #[pyclass(dict)] and #[pyclass(weakref)] with the abi3 feature on Python 3.9 and up. #1342
Add FFI definitions PyOS_BeforeFork, PyOS_AfterFork_Parent, PyOS_AfterFork_Child for Python 3.7 and up. #1348
Add an auto-initialize feature to control whether PyO3 should automatically initialize an embedded Python interpreter. For compatibility this feature is enabled by default in PyO3 0.13.1, but is planned to become opt-in from PyO3 0.14.0. #1347
Add support for cross-compiling to Windows without needing PYO3_CROSS_INCLUDE_DIR. #1350

Deprecated

Deprecate FFI definitions PyEval_CallObjectWithKeywords, PyEval_CallObject, PyEval_CallFunction, PyEval_CallMethod when building for Python 3.9. #1338
Deprecate FFI definitions PyGetSetDef_DICT and PyGetSetDef_INIT which have never been in the Python API. #1341
Deprecate FFI definitions PyGen_NeedsFinalizing, PyImport_Cleanup (removed in 3.9), and PyOS_InitInterrupts (3.10). #1348
Deprecate FFI definition PyOS_AfterFork for Python 3.7 and up. #1348
Deprecate FFI definitions PyCoro_Check, PyAsyncGen_Check, and PyCoroWrapper_Check, which have never been in the Python API (for the first two, it is possible to use PyCoro_CheckExact and PyAsyncGen_CheckExact instead; these are the actual functions provided by the Python API). #1348
Deprecate FFI definitions for PyUnicode_FromUnicode, PyUnicode_AsUnicode and PyUnicode_AsUnicodeAndSize, which will be removed from 3.12 and up due to PEP 613. #1370

Removed

Remove FFI definition PyFrame_ClearFreeList when building for Python 3.9. #1341
Remove FFI definition _PyDict_Contains when building for Python 3.10. #1341
Remove FFI definitions PyGen_NeedsFinalizing and PyImport_Cleanup (for 3.9 and up), and PyOS_InitInterrupts (3.10). #1348

Fixed

Stop including Py_TRACE_REFS config setting automatically if Py_DEBUG is set on Python 3.8 and up. #1334
Remove #[deny(warnings)] attribute (and instead refuse warnings only in CI). #1340
Fix deprecation warning for missing __module__ with #[pyclass]. #1343
Correct return type of PyFrozenSet::empty to &PyFrozenSet (was incorrectly &PySet). #1351
Fix missing Py_INCREF on heap type objects on Python versions before 3.8. #1365

0.13.0 - 2020-12-22

Packaging

Drop support for Python 3.5 (as it is now end-of-life). #1250
Bump minimum supported Rust version to 1.45. #1272
Bump indoc dependency to 1.0. #1272
Bump paste dependency to 1.0. #1272
Rename internal crates pyo3cls and pyo3-derive-backend to pyo3-macros and pyo3-macros-backend respectively. #1317

Added

Add support for building for CPython limited API. Opting-in to the limited API enables a single extension wheel built with PyO3 to be installable on multiple Python versions. This required a few minor changes to runtime behaviour of of PyO3 #[pyclass] types. See the migration guide for full details. #1152
- Add feature flags abi3-py36, abi3-py37, abi3-py38 etc. to set the minimum Python version when using the limited API. #1263
Add argument names to TypeError messages generated by pymethod wrappers. #1212
Add FFI definitions for PEP 587 "Python Initialization Configuration". #1247
Add FFI definitions for PyEval_SetProfile and PyEval_SetTrace. #1255
Add FFI definitions for context.h functions (PyContext_New, etc). #1259
Add PyAny::is_instance method. #1276
Add support for conversion between char and PyString. #1282
Add FFI definitions for PyBuffer_SizeFromFormat, PyObject_LengthHint, PyObject_CallNoArgs, PyObject_CallOneArg, PyObject_CallMethodNoArgs, PyObject_CallMethodOneArg, PyObject_VectorcallDict, and PyObject_VectorcallMethod. #1287
Add conversions between u128/i128 and PyLong for PyPy. #1310
Add Python::version and Python::version_info to get the running interpreter version. #1322
Add conversions for tuples of length 10, 11, and 12. #1454

Changed

Change return type of PyType::name from Cow<str> to PyResult<&str>. #1152
#[pyclass(subclass)] is now required for subclassing from Rust (was previously just required for subclassing from Python). #1152
Change PyIterator to be consistent with other native types: it is now used as &PyIterator instead of PyIterator<'a>. #1176
Change formatting of PyDowncastError messages to be closer to Python's builtin error messages. #1212
Change Debug and Display impls for PyException to be consistent with PyAny. #1275
Change Debug impl of PyErr to output more helpful information (acquiring the GIL if necessary). #1275
Rename PyTypeInfo::is_instance and PyTypeInfo::is_exact_instance to PyTypeInfo::is_type_of and PyTypeInfo::is_exact_type_of. #1278
Optimize PyAny::call0, Py::call0 and PyAny::call_method0 and Py::call_method0 on Python 3.9 and up. #1287
Require double-quotes for pyclass name argument e.g #[pyclass(name = "MyClass")]. #1303

Deprecated

Deprecate Python::is_instance, Python::is_subclass, Python::release, and Python::xdecref. #1292

Removed

Remove deprecated ffi definitions PyUnicode_AsUnicodeCopy, PyUnicode_GetMax, _Py_CheckRecursionLimit, PyObject_AsCharBuffer, PyObject_AsReadBuffer, PyObject_CheckReadBuffer and PyObject_AsWriteBuffer, which will be removed in Python 3.10. #1217
Remove unused python3 feature. #1235

Fixed

Fix missing field in PyCodeObject struct (co_posonlyargcount) - caused invalid access to other fields in Python >3.7. #1260
Fix building for x86_64-unknown-linux-musl target from x86_64-unknown-linux-gnu host. #1267
Fix #[text_signature] interacting badly with rust r#raw_identifiers. #1286
Fix FFI definitions for PyObject_Vectorcall and PyVectorcall_Call. #1287
Fix building with Anaconda python inside a virtualenv. #1290
Fix definition of opaque FFI types. #1312
Fix using custom error type in pyclass #[new] methods. #1319

0.12.4 - 2020-11-28

Fixed

Fix reference count bug in implementation of From<Py<T>> for PyObject, a regression introduced in PyO3 0.12. #1297

0.12.3 - 2020-10-12

Fixed

Fix support for Rust versions 1.39 to 1.44, broken by an incorrect internal update to paste 1.0 which was done in PyO3 0.12.2. #1234

0.12.2 - 2020-10-12

Added

Add support for keyword-only arguments without default values in #[pyfunction]. #1209
Add Python::check_signals as a safe a wrapper for PyErr_CheckSignals. #1214

Fixed

Fix invalid document for protocol methods. #1169
Hide docs of PyO3 private implementation details in pyo3::class::methods. #1169
Fix unnecessary rebuild on PATH changes when the python interpreter is provided by PYO3_PYTHON. #1231

0.12.1 - 2020-09-16

Fixed

Fix building for a 32-bit Python on 64-bit Windows with a 64-bit Rust toolchain. #1179
Fix building on platforms where c_char is u8. #1182

0.12.0 - 2020-09-12

Added

Add FFI definitions Py_FinalizeEx, PyOS_getsig, and PyOS_setsig. #1021
Add PyString::to_str for accessing PyString as &str. #1023
Add Python::with_gil for executing a closure with the Python GIL. #1037
Add type information to failures in PyAny::downcast. #1050
Implement Debug for PyIterator. #1051
Add PyBytes::new_with and PyByteArray::new_with for initialising bytes and bytearray objects using a closure. #1074
Add #[derive(FromPyObject)] macro for enums and structs. #1065
Add Py::as_ref and Py::into_ref for converting Py<T> to &T. #1098
Add ability to return Result types other than PyResult from #[pyfunction], #[pymethod] and #[pyproto] functions. #1106.
Implement ToPyObject, IntoPy, and FromPyObject for hashbrown's HashMap and HashSet types (requires the hashbrown feature). #1114
Add #[pyfunction(pass_module)] and #[pyfn(pass_module)] to pass the module object as the first function argument. #1143
Add PyModule::add_function and PyModule::add_submodule as typed alternatives to PyModule::add_wrapped. #1143
Add native PyCFunction and PyFunction types. #1163

Changed

Rework exception types: #1024 #1115
- Rename exception types from e.g. RuntimeError to PyRuntimeError. The old names continue to exist but are deprecated.
- Exception objects are now accessible as &T or Py<T>, just like other Python-native types.
- Rename PyException::py_err to PyException::new_err.
- Rename PyUnicodeDecodeErr::new_err to PyUnicodeDecodeErr::new.
- Remove PyStopIteration::stop_iteration.
Require T: Send for the return value T of Python::allow_threads. #1036
Rename PYTHON_SYS_EXECUTABLE to PYO3_PYTHON. The old name will continue to work (undocumented) but will be removed in a future release. #1039
Remove unsafe from signature of PyType::as_type_ptr. #1047
Change return type of PyIterator::from_object to PyResult<PyIterator> (was Result<PyIterator, PyDowncastError>). #1051
IntoPy is no longer implied by FromPy. #1063
Change PyObject to be a type alias for Py<PyAny>. #1063
Rework PyErr to be compatible with the std::error::Error trait: #1067 #1115
- Implement Display, Error, Send and Sync for PyErr and PyErrArguments.
- Add PyErr::instance for accessing PyErr as &PyBaseException.
- PyErr's fields are now an implementation detail. The equivalent values can be accessed with PyErr::ptype, PyErr::pvalue and PyErr::ptraceback.
- Change receiver of PyErr::print and PyErr::print_and_set_sys_last_vars to &self (was self).
- Remove PyErrValue, PyErr::from_value, PyErr::into_normalized, and PyErr::normalize.
- Remove PyException::into.
- Remove Into<PyResult<T>> for PyErr and PyException.
Change methods generated by #[pyproto] to return NotImplemented if Python should try a reversed operation. #1072
Change argument to PyModule::add to impl IntoPy<PyObject> (was impl ToPyObject). #1124

Removed

Remove many exception and PyErr APIs; see the "changed" section above. #1024 #1067 #1115
Remove PyString::to_string (use new PyString::to_str). #1023
Remove PyString::as_bytes. #1023
Remove Python::register_any. #1023
Remove GILGuard::acquire from the public API. Use Python::acquire_gil or Python::with_gil. #1036
Remove the FromPy trait. #1063
Remove the AsPyRef trait. #1098

Fixed

Correct FFI definitions Py_SetProgramName and Py_SetPythonHome to take *const arguments (was *mut). #1021
Fix FromPyObject for num_bigint::BigInt for Python objects with an __index__ method. #1027
Correct FFI definition _PyLong_AsByteArray to take *mut c_uchar argument (was *const c_uchar). #1029
Fix segfault with #[pyclass(dict, unsendable)]. #1058 #1059
Fix using &Self as an argument type for functions in a #[pymethods] block. #1071
Fix best-effort build against PyPy 3.6. #1092
Fix many cases of lifetime elision in #[pyproto] implementations. #1093
Fix detection of Python build configuration when cross-compiling. #1095
Always link against libpython on android with the extension-module feature. #1095
Fix the + operator not trying __radd__ when both __add__ and __radd__ are defined in PyNumberProtocol (and similar for all other reversible operators). #1107
Fix building with Anaconda python. #1175

0.11.1 - 2020-06-30

Added

#[pyclass(unsendable)]. #1009

Changed

Update parking_lot dependency to 0.11. #1010

0.11.0 - 2020-06-28

Added

Support stable versions of Rust (>=1.39). #969
Add FFI definition PyObject_AsFileDescriptor. #938
Add PyByteArray::data, PyByteArray::as_bytes, and PyByteArray::as_bytes_mut. #967
Add GILOnceCell to use in situations where lazy_static or once_cell can deadlock. #975
Add Py::borrow, Py::borrow_mut, Py::try_borrow, and Py::try_borrow_mut for accessing #[pyclass] values. #976
Add IterNextOutput and IterANextOutput for returning from __next__ / __anext__. #997

Changed

Simplify internals of #[pyo3(get)] attribute. (Remove the hidden API GetPropertyValue.) #934
Call Py_Finalize at exit to flush buffers, etc. #943
Add type parameter to PyBuffer. #951
Require Send bound for #[pyclass]. #966
Add Python argument to most methods on PyObject and Py<T> to ensure GIL safety. #970
Change signature of PyTypeObject::type_object - now takes Python argument and returns &PyType. #970
Change return type of PyTuple::slice and PyTuple::split_from from Py<PyTuple> to &PyTuple. #970
Change return type of PyTuple::as_slice to &[&PyAny]. #971
Rename PyTypeInfo::type_object to type_object_raw, and add Python argument. #975
Update num-complex optional dependendency from 0.2 to 0.3. #977
Update num-bigint optional dependendency from 0.2 to 0.3. #978
#[pyproto] is re-implemented without specialization. #961
PyClassAlloc::alloc is renamed to PyClassAlloc::new. #990
#[pyproto] methods can now have return value T or PyResult<T> (previously only PyResult<T> was supported). #996
#[pyproto] methods can now skip annotating the return type if it is (). #998

Removed

Remove ManagedPyRef (unused, and needs specialization) #930

Fixed

Fix passing explicit None to Option<T> argument #[pyfunction] with a default value. #936
Fix PyClass.__new__'s not respecting subclasses when inherited by a Python class. #990
Fix returning Option<T> from #[pyproto] methods. #996
Fix accepting PyRef<Self> and PyRefMut<Self> to #[getter] and #[setter] methods. #999

0.10.1 - 2020-05-14

Fixed

Fix deadlock in Python::acquire_gil after dropping a PyObject or Py<T>. #924

0.10.0 - 2020-05-13

Added

Add FFI definition _PyDict_NewPresized. #849
Implement IntoPy<PyObject> for HashSet and BTreeSet. #864
Add PyAny::dir method. #886
Gate macros behind a macros feature (enabled by default). #897
Add ability to define class attributes using #[classattr] on functions in #[pymethods]. #905
Implement Clone for PyObject and Py<T>. #908
Implement Deref<Target = PyAny> for all builtin types. (PyList, PyTuple, PyDict etc.) #911
Implement Deref<Target = PyAny> for PyCell<T>. #911
Add #[classattr] support for associated constants in #[pymethods]. #914

Changed

Panics will now be raised as a Python PanicException. #797
Change PyObject and Py<T> reference counts to decrement immediately upon drop when the GIL is held. #851
Allow PyIterProtocol methods to use either PyRef or PyRefMut as the receiver type. #856
Change the implementation of FromPyObject for Py<T> to apply to a wider range of T, including all T: PyClass. #880
Move all methods from the ObjectProtocol trait to the PyAny struct. #911
Remove need for #![feature(specialization)] in crates depending on PyO3. #917

Removed

Remove PyMethodsProtocol trait. #889
Remove num-traits dependency. #895
Remove ObjectProtocol trait. #911
Remove PyAny::None. Users should use Python::None instead. #911
Remove all *ProtocolImpl traits. #917

Fixed

Fix support for __radd__ and other __r*__ methods as implementations for Python mathematical operators. #839
Fix panics during garbage collection when traversing objects that were already mutably borrowed. #855
Prevent &'static references to Python objects as arguments to #[pyfunction] and #[pymethods]. #869
Fix lifetime safety bug with AsPyRef::as_ref. #876
Fix #[pyo3(get)] attribute on Py<T> fields. #880
Fix segmentation faults caused by functions such as PyList::get_item returning borrowed objects when it was not safe to do so. #890
Fix segmentation faults caused by nested Python::acquire_gil calls creating dangling references. #893
Fix segmentatation faults when a panic occurs during a call to Python::allow_threads. #912

0.9.2 - 2020-04-09

Added

FromPyObject implementations for HashSet and BTreeSet. #842

Fixed

Correctly detect 32bit architecture. #830

0.9.1 - 2020-03-23

Fixed

Error messages for #[pyclass]. #826
FromPyObject implementation for PySequence. #827

0.9.0 - 2020-03-19

Added

PyCell, which has RefCell-like features. #770
PyClass, PyLayout, PyClassInitializer. #683
Implemented IntoIterator for PySet and PyFrozenSet. #716
FromPyObject is now automatically implemented for T: Clone pyclasses. #730
#[pyo3(get)] and #[pyo3(set)] will now use the Rust doc-comment from the field for the Python property. #755
#[setter] functions may now take an argument of Pyo3::Python. #760
PyTypeInfo::BaseLayout and PyClass::BaseNativeType. #770
PyDowncastImpl. #770
Implement FromPyObject and IntoPy<PyObject> traits for arrays (up to 32). #778
migration.md and types.md in the guide. #795, #802
ffi::{_PyBytes_Resize, _PyDict_Next, _PyDict_Contains, _PyDict_GetDictPtr}. #820

Changed

#[new] does not take PyRawObject and can return Self. #683
The blanket implementations for FromPyObject for &T and &mut T are no longer specializable. Implement PyTryFrom for your type to control the behavior of FromPyObject::extract for your types. #713
The implementation for IntoPy<U> for T where U: FromPy<T> is no longer specializable. Control the behavior of this via the implementation of FromPy. #713
Use parking_lot::Mutex instead of spin::Mutex. #734
Bumped minimum Rust version to 1.42.0-nightly 2020-01-21. #761
PyRef and PyRefMut are renewed for PyCell. #770
Some new FFI functions for Python 3.8. #784
PyAny is now on the top level module and prelude. #816

Removed

PyRawObject. #683
PyNoArgsFunction. #741
initialize_type. To set the module name for a #[pyclass], use the module argument to the macro. #751
AsPyRef::as_mut/with/with_mut/into_py/into_mut_py. #770
PyTryFrom::try_from_mut/try_from_mut_exact/try_from_mut_unchecked. #770
Python::mut_from_owned_ptr/mut_from_borrowed_ptr. #770
ObjectProtocol::get_base/get_mut_base. #770

Fixed

Fixed unsoundness of subclassing. #683.
Clear error indicator when the exception is handled on the Rust side. #719
Usage of raw identifiers with #[pyo3(set)]. #745
Usage of PyObject with #[pyo3(get)]. #760
#[pymethods] used in conjunction with #[cfg]. #769
"*" in a #[pyfunction()] argument list incorrectly accepting any number of positional arguments (use args = "*" when this behaviour is desired). #792
PyModule::dict. #809
Fix the case where DESCRIPTION is not null-terminated. #822

[0.8.5] - 2020-01-05

Added

Implemented FromPyObject for HashMap and BTreeMap
Support for #[name = "foo"] attribute for #[pyfunction] and in #[pymethods]. #692

0.8.4 - 2019-12-14

Added

Support for #[text_signature] attribute. #675

0.8.3 - 2019-11-23

Removed

#[init] is removed. #658

Fixed

Now all &Py~ types have !Send bound. #655
Fix a compile error raised by the stabilization of ! type. #672.

0.8.2 - 2019-10-27

Added

FFI compatibility for PEP 590 Vectorcall. #641

Fixed

Fix PySequenceProtocol::set_item. #624
Fix a corner case of BigInt::FromPyObject. #630
Fix index errors in parameter conversion. #631
Fix handling of invalid utf-8 sequences in PyString::as_bytes. #639 and PyString::to_string_lossy #642.
Remove __contains__ and __iter__ from PyMappingProtocol. #644
Fix proc-macro definition of PySetAttrProtocol. #645

0.8.1 - 2019-10-08

Added

Conversion between num-bigint and Python int. #608

Fixed

Make sure the right Python interpreter is used in OSX builds. #604
Patch specialization being broken by Rust 1.40. #614
Fix a segfault around PyErr. #597

0.8.0 - 2019-09-16

Added

module argument to pyclass macro. #499
py_run! macro #512
Use existing fields and methods before calling custom getattr. #505
PyBytes can now be indexed just like Vec<u8>
Implement IntoPy<PyObject> for PyRef and PyRefMut.

Changed

Implementing the Using the gc parameter for pyclass (e.g. #[pyclass(gc)]) without implementing the class::PyGCProtocol trait is now a compile-time error. Failing to implement this trait could lead to segfaults. #532
PyByteArray::data has been replaced with PyDataArray::to_vec because returning a &[u8] is unsound. (See this comment for a great write-up for why that was unsound)
Replace mashup with paste.
GILPool gained a Python marker to prevent it from being misused to release Python objects without the GIL held.

Removed

IntoPyObject was replaced with IntoPy<PyObject>
#[pyclass(subclass)] is hidden a unsound-subclass feature because it's causing segmentation faults.

Fixed

More readable error message for generics in pyclass #503

0.7.0 - 2019-05-26

Added

PyPy support by omerbenamram in #393
Have PyModule generate an index of its members (__all__ list).
Allow slf: PyRef<T> for pyclass(#419)
Allow to use lifetime specifiers in pymethods
Add marshal module. #460

Changed

Python::run returns PyResult<()> instead of PyResult<&PyAny>.
Methods decorated with #[getter] and #[setter] can now omit wrapping the result type in PyResult if they don't raise exceptions.

Fixed

type_object::PyTypeObject has been marked unsafe because breaking the contract type_object::PyTypeObject::init_type can lead to UB.
Fixed automatic derive of PySequenceProtocol implementation in #423.
Capitalization & better wording to README.md.
Docstrings of properties is now properly set using the doc of the #[getter] method.
Fixed issues with pymethods crashing on doc comments containing double quotes.
PySet::new and PyFrozenSet::new now return PyResult<&Py[Frozen]Set>; exceptions are raised if the items are not hashable.
Fixed building using venv on Windows.
PyTuple::new now returns &PyTuple instead of Py<PyTuple>.
Fixed several issues with argument parsing; notable, the *args and **kwargs tuple/dict now doesn't contain arguments that are otherwise assigned to parameters.

0.6.0 - 2019-03-28

Regressions

Currently, #341 causes cargo test to fail with weird linking errors when the extension-module feature is activated. For now you can work around this by making the extension-module feature optional and running the tests with cargo test --no-default-features:

[dependencies.pyo3]
version = "0.6.0"

[features]
extension-module = ["pyo3/extension-module"]
default = ["extension-module"]

Added

Added a wrap_pymodule! macro similar to the existing wrap_pyfunction! macro. Only available on python 3
Added support for cross compiling (e.g. to arm v7) by mtp401 in #327. See the "Cross Compiling" section in the "Building and Distribution" chapter of the guide for more details.
The PyRef and PyRefMut types, which allow to differentiate between an instance of a rust struct on the rust heap and an instance that is embedded inside a python object. By kngwyu in #335
Added FromPy<T> and IntoPy<T> which are equivalent to From<T> and Into<T> except that they require a gil token.
Added ManagedPyRef, which should eventually replace ToBorrowedObject.

Changed

Renamed PyObjectRef to PyAny in #388
Renamed add_function to add_wrapped as it now also supports modules.
Renamed #[pymodinit] to #[pymodule]
py.init(|| value) becomes Py::new(value)
py.init_ref(|| value) becomes PyRef::new(value)
py.init_mut(|| value) becomes PyRefMut::new(value).
PyRawObject::init is now infallible, e.g. it returns () instead of PyResult<()>.
Renamed py_exception! to create_exception! and refactored the error macros.
Renamed wrap_function! to wrap_pyfunction!
Renamed #[prop(get, set)] to #[pyo3(get, set)]
#[pyfunction] now supports the same arguments as #[pyfn()]
Some macros now emit proper spanned errors instead of panics.
Migrated to the 2018 edition
crate::types::exceptions moved to crate::exceptions
Replace IntoPyTuple with IntoPy<Py<PyTuple>>.
IntoPyPointer and ToPyPointer moved into the crate root.
class::CompareOp moved into class::basic::CompareOp
PyTypeObject is now a direct subtrait PyTypeCreate, removing the old cyclical implementation in #350
Add PyList::{sort, reverse} by chr1sj0nes in #357 and #358
Renamed the typeob module to type_object

Removed

PyToken was removed due to unsoundness (See #94).
Removed the unnecessary type parameter from PyObjectAlloc
NoArgs. Just use an empty tuple
PyObjectWithGIL. PyNativeType is sufficient now that PyToken is removed.

Fixed

A soudness hole where every instances of a #[pyclass] struct was considered to be part of a python object, even though you can create instances that are not part of the python heap. This was fixed through PyRef and PyRefMut.
Fix kwargs support in #328.
Add full support for __dict__ in #403.

0.5.3 - 2019-01-04

Fixed

Fix memory leak in ArrayList by kngwyu #316

0.5.2 - 2018-11-25

Fixed

Fix undeterministic segfaults when creating many objects by kngwyu in #281

[0.5.1] - 2018-11-24

Yanked

0.5.0 - 2018-11-11

Added

#[pyclass] objects can now be returned from rust functions
PyComplex by kngwyu in #226
PyDict::from_sequence, equivalent to dict([(key, val), ...])
Bindings for the datetime standard library types: PyDate, PyTime, PyDateTime, PyTzInfo, PyDelta with associated ffi types, by pganssle #200.
PyString, PyUnicode, and PyBytes now have an as_bytes method that returns &[u8].
PyObjectProtocol::get_type_ptr by ijl in #242

Changed

Removes the types from the root module and the prelude. They now live in pyo3::types instead.
All exceptions are consturcted with py_err instead of new, as they return PyErr and not Self.
as_mut and friends take and &mut self instead of &self
ObjectProtocol::call now takes an Option<&PyDict> for the kwargs instead of an IntoPyDictPointer.
IntoPyDictPointer was replace by IntoPyDict which doesn't convert PyDict itself anymore and returns a PyDict instead of *mut PyObject.
PyTuple::new now takes an IntoIterator instead of a slice
Updated to syn 0.15
Splitted PyTypeObject into PyTypeObject without the create method and PyTypeCreate with requires PyObjectAlloc<Self> + PyTypeInfo + Sized.
Ran cargo edition --fix which prefixed path with crate:: for rust 2018
Renamed async to pyasync as async will be a keyword in the 2018 edition.
Starting to use NonNull<*mut PyObject> for Py and PyObject by ijl #260

Removed

Removed most entries from the prelude. The new prelude is small and clear.
Slowly removing specialization uses
PyString, PyUnicode, and PyBytes no longer have a data method (replaced by as_bytes) and PyStringData has been removed.
The pyobject_extract macro

Fixed

Added an explanation that the GIL can temporarily be released even while holding a GILGuard.
Lots of clippy errors
Fix segfault on calling an unknown method on a PyObject
Work around a bug in the rust compiler by kngwyu #252
Fixed a segfault with subclassing pyo3 create classes and using __class__ by kngwyu #263

0.4.1 - 2018-08-20

Changed

PyTryFrom's error is always to PyDowncastError

Fixed

Fixed compilation on nightly since use_extern_macros was stabilized

Removed

The pyobject_downcast macro

0.4.0 - 2018-07-30

Changed

Merged both examples into one
Rustfmt all the things ✔️
Switched to Keep a Changelog

Removed

Conversions from tuples to PyDict due to rust-lang/rust#52050

0.3.2 - 2018-07-22

Changed

Replaced concat_idents with mashup

0.3.1 - 2018-07-18

Fixed

Fixed scoping bug in pyobject_native_type that would break rust-numpy

0.3.0 - 2018-07-18

Added

A few internal macros became part of the public api (#155, #186)
Always clone in getters. This allows using the get-annotation on all Clone-Types

Changed

Upgraded to syn 0.14 which means much better error messages 🎉
128 bit integer support by kngwyu (#137)
proc_macro has been stabilized on nightly (rust-lang/rust#52081). This means that we can remove the proc_macro feature, but now we need the use_extern_macros from the 2018 edition instead.
All proc macro are now prefixed with py and live in the prelude. This means you can use #[pyclass], #[pymethods], #[pyproto], #[pyfunction] and #[pymodinit] directly, at least after a use pyo3::prelude::*. They were also moved into a module called proc_macro. You shouldn't use #[pyo3::proc_macro::pyclass] or other longer paths in attributes because proc_macro_path_invoc isn't going to be stabilized soon.
Renamed the base option in the pyclass macro to extends.
#[pymodinit] uses the function name as module name, unless the name is overrriden with #[pymodinit(name)]
The guide is now properly versioned.

0.2.7 - 2018-05-18

Fixed

Fix nightly breakage with proc_macro_path

0.2.6 - 2018-04-03

Fixed

Fix compatibility with TryFrom trait #137

0.2.5 - 2018-02-21

Added

CPython 3.7 support

Fixed

Embedded CPython 3.7b1 crashes on initialization #110
Generated extension functions are weakly typed #108
call_method* crashes when the method does not exist #113
Allow importing exceptions from nested modules #116

0.2.4 - 2018-01-19

Added

Allow to get mutable ref from PyObject #106
Drop RefFromPyObject trait
Add Python::register_any method

Fixed

Fix impl FromPyObject for Py<T>
Mark method that work with raw pointers as unsafe #95

0.2.3 - 11-27-2017

Changed

Rustup to 1.23.0-nightly 2017-11-07

Fixed

Proper c_char usage #93

Removed

Remove use of now unneeded 'AsciiExt' trait

0.2.2 - 09-26-2017

Changed

Rustup to 1.22.0-nightly 2017-09-30

0.2.1 - 09-26-2017

Fixed

Fix rustc const_fn nightly breakage

0.2.0 - 08-12-2017

Added

Added inheritance support #15
Added weakref support #56
Added subclass support #64
Added self.__dict__ supoort #68
Added pyo3::prelude module #70
Better Iterator support for PyTuple, PyList, PyDict #75
Introduce IntoPyDictPointer similar to IntoPyTuple #69

Changed

Allow to add gc support without implementing PyGCProtocol #57
Refactor PyErr implementation. Drop py parameter from constructor.

0.1.0 - 07-23-2017

Added

Initial release

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0.16.2 - 2022-03-15

Packaging

0.16.1 - 2022-03-05

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0.16.0 - 2022-02-27

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0.15.1 - 2021-11-19

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0.15.0 - 2021-11-03

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0.14.5 - 2021-09-05

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0.14.4 - 2021-08-29

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0.14.3 - 2021-08-22

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0.14.2 - 2021-08-09

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0.14.1 - 2021-07-04

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0.13.2 - 2021-02-12

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0.13.0 - 2020-12-22

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0.12.4 - 2020-11-28

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0.12.3 - 2020-10-12

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0.12.0 - 2020-09-12

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0.11.1 - 2020-06-30

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