0.0.4

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