Version 0.0.4 (May 25th, 2022)

New Features/API:

  • HPy headers are C++ compliant

  • Python 3.10 support

  • HPyField: References to Python objects that can be stored in raw native memory owned by Python objects.

    • New API functions: HPyField_Load, HPyField_Store

  • HPyGlobal: References to Python objects that can be stored into a C global variable.

    • New API functions: HPyGlobal_Load, HPyGlobal_Store

    • Note: HPyGlobal does not allow to share Python objects between (sub)interpreters

  • GIL support - New API functions: HPy_ReenterPythonExecution, HPy_LeavePythonExecution

  • Value building support (HPy_BuildValue)

  • New type slots

    • HPy_mp_ass_subscript, HPy_mp_length, HPy_mp_subscript

    • HPy_tp_finalize

  • Other new API functions

    • HPyErr_SetFromErrnoWithFilename, HPyErr_SetFromErrnoWithFilenameObjects

    • HPyErr_ExceptionMatches

    • HPyErr_WarnEx

    • HPyErr_WriteUnraisable

    • HPy_Contains

    • HPyLong_AsVoidPtr

    • HPyLong_AsDouble

    • HPyUnicode_AsASCIIString, HPyUnicode_DecodeASCII

    • HPyUnicode_AsLatin1String, HPyUnicode_DecodeLatin1

    • HPyUnicode_DecodeFSDefault, HPyUnicode_DecodeFSDefaultAndSize

    • HPyUnicode_ReadChar

Debug mode:

  • Support activation of debug mode via environment variable HPY_DEBUG

  • Support capturing stack traces of handle allocations

  • Check for invalid use of raw data pointers (e.g HPyUnicode_AsUTF8AndSize) after handle was closed.

  • Detect invalid handles returned from extension functions

  • Detect incorrect closing of handles passed as arguments

Misc Changes:

  • Removed unnecessary prefix "m_" from fields of HPyModuleDef (incompatible change)

  • For HPy implementors: new pytest mark for HPy tests assuming synchronous GC

Version 0.0.3 (September 22nd, 2021)

This release adds various new API functions (see below) and extends the debug mode with the ability to track closed handles. The default ABI mode now is ‘universal’ for non-CPython implementations. Also, the type definition of HPyContext was changed and it’s no longer a pointer type. The name of the HPy dev package was changed to ‘hpy’ (formerly: ‘hpy.devel’). Macro HPy_CAST was replaced by HPy_AsStruct.

New features:

  • Added helper HPyHelpers_AddType for creating new types

  • Support format specifier ‘s’ in HPyArg_Parse

  • Added API functions: HPy_Is, HPy_AsStructLegacy (for legacy types), HPyBytes_FromStringAndSize, HPyErr_NewException, HPyErr_NewExceptionWithDoc, HPyUnicode_AsUTF8AndSize, HPyUnicode_DecodeFSDefault, HPyImport_ImportModule

  • Debug mode: Implemented tracking of closed handles

  • Debug mode: Add hook for invalid handle access

Bug fixes:

  • Distinguish between pure and legacy types

  • Fix Sphinx doc errors