package pyml

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[*] marks changes that break compatibility with previous versions.

2021-09-24

Use dune as default build system (dunification done by Laurent Mazare, https://github.com/thierry-martinez/pyml/pull/28)
This should in particular fix build problems of reverse dependencies with the byte-code compiler (reported by @nicoTolly, https://github.com/thierry-martinez/pyml/issues/62)
- Handle more platforms with dune (reported by Olaf Hering, https://github.com/thierry-martinez/pyml/issues/68)
- pyutils is no longer used by generate and is shipped with pyml package as it was the case with Makefile-based build system (reported by Olaf Hering, https://github.com/thierry-martinez/pyml/issues/69)
Support for raising exceptions with traceback from OCaml (implemented by Laurent Mazare, https://github.com/thierry-martinez/pyml/pull/65)
Fix soundness bug with numpy (reported by Richard Alligier, https://github.com/thierry-martinez/pyml/pull/65)
Fix Py.Array.numpy arrays on 32-bit platforms (reported by Olaf Hering, https://github.com/thierry-martinez/pyml/pull/70)
Fix soundness bug on strings with OCaml <4.06 (reported by OCaml CI)

Compatibility with Python 3.10 (reported by Richard W.M. Jones)
- PyObject_AsCharBuffer, PyObject_AsReadBuffer, PyObject_AsWriteBuffer bindings are marked optional as they have been removed in Python 3.10.
- Py_fopen is optional and Py_wfopen is used instead if available.
More general handling of Unix architectures. (Fixed by Pino Toscano, https://github.com/thierry-martinez/pyml/pull/57)
Add Py.Set module for Python sets. (Added by Laurent Mazare, https://github.com/thierry-martinez/pyml/pull/58)
Fix #61: Numpy.to_bigarray raises an exception if source value is not a Numpy array instead of segfaulting. (Reported by Jonathan Laurent, https://github.com/thierry-martinez/pyml/issues/61)
Fix #56, #59: Add python-config heuristics to find Python library. (Reported by Anders Thuné and Nils Becker, https://github.com/thierry-martinez/pyml/issues/56 https://github.com/thierry-martinez/pyml/issues/59)
Fix import_module_opt for Python <3.6 (Reported by opam CI.)

Fix: Add an __iter__ method to python iterators. (Fixed by Laurent Mazare, https://github.com/thierry-martinez/pyml/pull/47)
Add Py.Seq.{of_seq_map, to_seq_map, unsafe_to_seq_map, of_list, of_list_map} functions.
Remove Py.Import.cleanup, which has been removed from Python 3.9, and was marked "for internal use only" before. (Reported by Victor Stinner, https://github.com/thierry-martinez/pyml/issues/49)
Fix: memory leak in pyml_wrap_closure (Fixed by Laurent Mazare, https://github.com/thierry-martinez/pyml/pull/53)
Add Py.Module.set_docstring, for Python >=3.5. (Added by Laurent Mazare, https://github.com/thierry-martinez/pyml/pull/54)
Fix: install .cmx files (Reported by Jonathan Laurent, https://github.com/thierry-martinez/pyml/issues/55)

Fix: do not fail if GIL functions are unavailable
Fix: include stdcompat.h provided with stdcompat version 13 for the prototype of caml_alloc_initialized_string.
Fix: reference to the native plugin (.cmxs) in META

Compatible with OCaml 4.10.0.
[PR 36] GC issue when registering a function with a dynamically allocated docstring. (Fixed by Laurent Mazare, https://github.com/thierry-martinez/pyml/pull/36)
[PR 34] Ensure that every function starting with "CAMLparamK" ends with "CAMLreturnX". (Fixed by Xavier Clerc, https://github.com/thierry-martinez/pyml/pull/34)
[GitHub issue #37] Fix test suite: 'list' object has no attribute 'clear' (Reported by Olaf Hering, https://github.com/thierry-martinez/pyml/issues/37)
[PR 38] Check for executable called python3. (Fixed by Olaf Hering, https://github.com/thierry-martinez/pyml/pull/38)
[PR 39] Expose is-instance and is-subclass. (Contribution by Laurent Mazare, https://github.com/thierry-martinez/pyml/pull/39)
[PR 44] Expose some GIL functions (functions from the Python C API related to the global interpreter lock. (Contribution by Laurent Mazare, https://github.com/thierry-martinez/pyml/pull/44)
Fix dynamic loading of stubs. (Fixed by Stéphane Glondu)

Support for debug build of Python library (Suggested by Arlen Cox: https://github.com/thierry-martinez/pyml/issues/18)
Bug fix in pyml_check_symbol_available
Py.compile is a wrapper for the built-in function compile (Suggested by Dhruv Makwana: https://github.com/thierry-martinez/pyml/issues/25)
Guarantees for structural and physical equalities on Py.Object.t are now documented. New predicates Py.is_none, Py.is_null, Py.Bool.is_true, Py.Bool.is_false, Py.Tuple.is_empty. (Suggested by Laurent Mazare: https://github.com/thierry-martinez/pyml/pull/31)
Fix Py.Array.numpy to handle OCaml GC's moving the floatarray (Reported by Ilias Garnier: https://github.com/thierry-martinez/pyml/issues/30)

Py.import is an alias for Py.Import.import_module.
Use *_opt naming convention for the functions that return an option instead of an exception: Py.import_opt, Py.Object.find_opt,...
of_seq/to_seq converters
get_attr/get_attr_string now returns option type
Indexing operators (for OCaml 4.06.0 and above) defined in Pyops