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Merge pull request #1173 from PyO3/release-0.12

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Release 0.12
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CHANGELOG.md
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@ -5,69 +5,68 @@ PyO3 versions, please see the [migration guide](https://pyo3.rs/master/migration
The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html). and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
## [Unreleased] ## [0.12.0] - 2020-10-12
### Added ### Added
- Fix `build.rs` to work with Anaconda python - Add FFI definitions `Py_FinalizeEx`, `PyOS_getsig`, and `PyOS_setsig`. [#1021](https://github.com/PyO3/pyo3/pull/1021)
- Add FFI definitions `Py_FinalizeEx`, `PyOS_getsig`, `PyOS_setsig`. [#1021](https://github.com/PyO3/pyo3/pull/1021) - Add `PyString::to_str` for accessing `PyString` as `&str`. [#1023](https://github.com/PyO3/pyo3/pull/1023)
- Add `Python::with_gil` for executing a closure with the Python GIL. [#1037](https://github.com/PyO3/pyo3/pull/1037) - Add `Python::with_gil` for executing a closure with the Python GIL. [#1037](https://github.com/PyO3/pyo3/pull/1037)
- Add type information to failures in `PyAny::downcast()`. [#1050](https://github.com/PyO3/pyo3/pull/1050)
- Implement `Debug` for `PyIterator`. [#1051](https://github.com/PyO3/pyo3/pull/1051) - Implement `Debug` for `PyIterator`. [#1051](https://github.com/PyO3/pyo3/pull/1051)
- Implement type information for conversion failures. [#1050](https://github.com/PyO3/pyo3/pull/1050) - Add `PyBytes::new_with` and `PyByteArray::new_with` for initialising `bytes` and `bytearray` objects using a closure. [#1074](https://github.com/PyO3/pyo3/pull/1074)
- Add `PyBytes::new_with` and `PyByteArray::new_with` for initialising Python-allocated bytes and bytearrays using a closure. [#1074](https://github.com/PyO3/pyo3/pull/1074)
- Add `Py::as_ref` and `Py::into_ref`. [#1098](https://github.com/PyO3/pyo3/pull/1098)
- Add optional implementations of `ToPyObject`, `IntoPy`, and `FromPyObject` for [hashbrown](https://crates.io/crates/hashbrown)'s `HashMap` and `HashSet` types. The `hashbrown` feature must be enabled for these implementations to be built. [#1114](https://github.com/PyO3/pyo3/pull/1114/)
- Allow other `Result` types when using `#[pyfunction]`. [#1106](https://github.com/PyO3/pyo3/issues/1106).
- Add `#[derive(FromPyObject)]` macro for enums and structs. [#1065](https://github.com/PyO3/pyo3/pull/1065) - Add `#[derive(FromPyObject)]` macro for enums and structs. [#1065](https://github.com/PyO3/pyo3/pull/1065)
- Add macro attribute to `#[pyfn]` and `#[pyfunction]` to pass the module of a Python function to the function - Add `Py::as_ref` and `Py::into_ref` for converting `Py<T>` to `&T`. [#1098](https://github.com/PyO3/pyo3/pull/1098)
body. [#1143](https://github.com/PyO3/pyo3/pull/1143) - Add ability to return `Result` types other than `PyResult` from `#[pyfunction]`, `#[pymethod]` and `#[pyproto]` functions. [#1106](https://github.com/PyO3/pyo3/pull/1118).
- Add `add_function()` and `add_submodule()` functions to `PyModule` [#1143](https://github.com/PyO3/pyo3/pull/1143) - Implement `ToPyObject`, `IntoPy`, and `FromPyObject` for [hashbrown](https://crates.io/crates/hashbrown)'s `HashMap` and `HashSet` types (requires the `hashbrown` feature). [#1114](https://github.com/PyO3/pyo3/pull/1114)
- Add native `PyCFunction` and `PyFunction` types, change `add_function` to take a wrapper returning - Add `#[pyfunction(pass_module)]` and `#[pyfn(pass_module)]` to pass the module object as the first function argument. [#1143](https://github.com/PyO3/pyo3/pull/1143)
a `&PyCFunction`instead of `PyObject`. [#1163](https://github.com/PyO3/pyo3/pull/1163) - Add `PyModule::add_function` and `PyModule::add_submodule` as typed alternatives to `PyModule::add_wrapped`. [#1143](https://github.com/PyO3/pyo3/pull/1143)
- Add native `PyCFunction` and `PyFunction` types. [#1163](https://github.com/PyO3/pyo3/pull/1163)
### Changed ### Changed
- Exception types have been renamed from e.g. `RuntimeError` to `PyRuntimeError`, and are now accessible by `&T` or `Py<T>` similar to other Python-native types. The old names continue to exist but are deprecated. [#1024](https://github.com/PyO3/pyo3/pull/1024) [#1115](https://github.com/PyO3/pyo3/pull/1115) - Rework exception types: [#1024](https://github.com/PyO3/pyo3/pull/1024) [#1115](https://github.com/PyO3/pyo3/pull/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 `PyException::py_err()` to `PyException::new_err()`.
- Rename `PyUnicodeDecodeErr::new_err()` to `PyUnicodeDecodeErr::new()`. - Rename `PyUnicodeDecodeErr::new_err()` to `PyUnicodeDecodeErr::new()`.
- Remove `PyStopIteration::stop_iteration()`. - Remove `PyStopIteration::stop_iteration()`.
- Correct FFI definitions `Py_SetProgramName` and `Py_SetPythonHome` to take `*const` argument instead of `*mut`. [#1021](https://github.com/PyO3/pyo3/pull/1021) - Require `T: Send` for the return value `T` of `Python::allow_threads`. [#1036](https://github.com/PyO3/pyo3/pull/1036)
- Rename `PyString::to_string` to `to_str`, change return type `Cow<str>` to `&str`. [#1023](https://github.com/PyO3/pyo3/pull/1023) - Rename `PYTHON_SYS_EXECUTABLE` to `PYO3_PYTHON`. The old name will continue to work (undocumented) but will be removed in a future release. [#1039](https://github.com/PyO3/pyo3/pull/1039)
- Correct FFI definition `_PyLong_AsByteArray` `*mut c_uchar` argument instead of `*const c_uchar`. [#1029](https://github.com/PyO3/pyo3/pull/1029) - Remove `unsafe` from signature of `PyType::as_type_ptr`. [#1047](https://github.com/PyO3/pyo3/pull/1047)
- Add `T: Send` bound to the return value of `Python::allow_threads`. [#1036](https://github.com/PyO3/pyo3/pull/1036) - Change return type of `PyIterator::from_object` to `PyResult<PyIterator>` (was `Result<PyIterator, PyDowncastError>`). [#1051](https://github.com/PyO3/pyo3/pull/1051)
- Rename `PYTHON_SYS_EXECUTABLE` to `PYO3_PYTHON`. The old name will continue to work but will be undocumented, and will be removed in a future release. [#1039](https://github.com/PyO3/pyo3/pull/1039)
- `PyType::as_type_ptr` is no longer `unsafe`. [#1047](https://github.com/PyO3/pyo3/pull/1047)
- Change `PyIterator::from_object` to return `PyResult<PyIterator>` instead of `Result<PyIterator, PyDowncastError>`. [#1051](https://github.com/PyO3/pyo3/pull/1051)
- `IntoPy` is no longer implied by `FromPy`. [#1063](https://github.com/PyO3/pyo3/pull/1063) - `IntoPy` is no longer implied by `FromPy`. [#1063](https://github.com/PyO3/pyo3/pull/1063)
- `PyObject` is now just a type alias for `Py<PyAny>`. [#1063](https://github.com/PyO3/pyo3/pull/1063) - Change `PyObject` to be a type alias for `Py<PyAny>`. [#1063](https://github.com/PyO3/pyo3/pull/1063)
- Rework PyErr to be compatible with the `std::error::Error` trait: [#1067](https://github.com/PyO3/pyo3/pull/1067) [#1115](https://github.com/PyO3/pyo3/pull/1115) - Rework `PyErr` to be compatible with the `std::error::Error` trait: [#1067](https://github.com/PyO3/pyo3/pull/1067) [#1115](https://github.com/PyO3/pyo3/pull/1115)
- Implement `Display`, `Error`, `Send` and `Sync` for `PyErr` and `PyErrArguments`. - Implement `Display`, `Error`, `Send` and `Sync` for `PyErr` and `PyErrArguments`.
- Add `PyErr::instance()` which returns `&PyBaseException`. - 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()`. - `PyErr`'s fields are now an implementation detail. The equivalent values can be accessed with `PyErr::ptype()`, `PyErr::pvalue()` and `PyErr::ptraceback()`.
- Change `PyErr::print()` and `PyErr::print_and_set_sys_last_vars()` to take `&self` instead of `self`. - 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 `PyErrValue`, `PyErr::from_value`, `PyErr::into_normalized()`, and `PyErr::normalize()`.
- Remove `PyException::into()` and `Into<PyResult<T>>` for `PyErr` and `PyException`. - Remove `PyException::into()`.
- Change `#[pyproto]` to return NotImplemented for operators for which Python can try a reversed operation. #[1072](https://github.com/PyO3/pyo3/pull/1072) - Remove `Into<PyResult<T>>` for `PyErr` and `PyException`.
- `PyModule::add` now uses `IntoPy<PyObject>` instead of `ToPyObject`. #[1124](https://github.com/PyO3/pyo3/pull/1124) - Change methods generated by `#[pyproto]` to return `NotImplemented` if Python should try a reversed operation. #[1072](https://github.com/PyO3/pyo3/pull/1072)
- Add nested modules as `&PyModule` instead of using the wrapper generated by `#[pymodule]`. [#1143](https://github.com/PyO3/pyo3/pull/1143) - Change argument to `PyModule::add` to `impl IntoPy<PyObject>` (was `impl ToPyObject`). #[1124](https://github.com/PyO3/pyo3/pull/1124)
### Removed ### Removed
- Remove many exception and `PyErr` APIs; see the "changed" section above. [#1024](https://github.com/PyO3/pyo3/pull/1024) [#1067](https://github.com/PyO3/pyo3/pull/1067) [#1115](https://github.com/PyO3/pyo3/pull/1115)
- Remove `PyString::to_string` (use new `PyString::to_str`). [#1023](https://github.com/PyO3/pyo3/pull/1023)
- Remove `PyString::as_bytes`. [#1023](https://github.com/PyO3/pyo3/pull/1023) - Remove `PyString::as_bytes`. [#1023](https://github.com/PyO3/pyo3/pull/1023)
- Remove `Python::register_any`. [#1023](https://github.com/PyO3/pyo3/pull/1023) - Remove `Python::register_any`. [#1023](https://github.com/PyO3/pyo3/pull/1023)
- Remove `GILGuard::acquire` from the public API. Use `Python::acquire_gil` or `Python::with_gil`. [#1036](https://github.com/PyO3/pyo3/pull/1036) - Remove `GILGuard::acquire` from the public API. Use `Python::acquire_gil` or `Python::with_gil`. [#1036](https://github.com/PyO3/pyo3/pull/1036)
- Remove `FromPy`. [#1063](https://github.com/PyO3/pyo3/pull/1063) - Remove the `FromPy` trait. [#1063](https://github.com/PyO3/pyo3/pull/1063)
- Remove `AsPyRef`. [#1098](https://github.com/PyO3/pyo3/pull/1098) - Remove the `AsPyRef` trait. [#1098](https://github.com/PyO3/pyo3/pull/1098)
### Fixed ### Fixed
- Conversion from types with an `__index__` method to Rust BigInts. [#1027](https://github.com/PyO3/pyo3/pull/1027) - Correct FFI definitions `Py_SetProgramName` and `Py_SetPythonHome` to take `*const` arguments (was `*mut`). [#1021](https://github.com/PyO3/pyo3/pull/1021)
- Fix segfault with #[pyclass(dict, unsendable)] [#1058](https://github.com/PyO3/pyo3/pull/1058) - Fix `FromPyObject` for `num_bigint::BigInt` for Python objects with an `__index__` method. [#1027](https://github.com/PyO3/pyo3/pull/1027)
- Don't rely on the order of structmembers to compute offsets in PyCell. Related to - Correct FFI definition `_PyLong_AsByteArray` to take `*mut c_uchar` argument (was `*const c_uchar`). [#1029](https://github.com/PyO3/pyo3/pull/1029)
[#1058](https://github.com/PyO3/pyo3/pull/1058). [#1059](https://github.com/PyO3/pyo3/pull/1059) - Fix segfault with `#[pyclass(dict, unsendable)]`. [#1058](https://github.com/PyO3/pyo3/pull/1058) [#1059](https://github.com/PyO3/pyo3/pull/1059)
- Allows `&Self` as a `#[pymethods]` argument again. [#1071](https://github.com/PyO3/pyo3/pull/1071) - Fix using `&Self` as an argument type for functions in a `#[pymethods]` block. [#1071](https://github.com/PyO3/pyo3/pull/1071)
- Fix best-effort build against PyPy 3.6. #[1092](https://github.com/PyO3/pyo3/pull/1092) - Fix best-effort build against PyPy 3.6. [#1092](https://github.com/PyO3/pyo3/pull/1092)
- Improve lifetime elision in `#[pyproto]`. [#1093](https://github.com/PyO3/pyo3/pull/1093) - Fix many cases of lifetime elision in `#[pyproto]` implementations. [#1093](https://github.com/PyO3/pyo3/pull/1093)
- Fix python configuration detection when cross-compiling. [#1095](https://github.com/PyO3/pyo3/pull/1095) - Fix detection of Python build configuration when cross-compiling. [#1095](https://github.com/PyO3/pyo3/pull/1095)
- Link against libpython on android with `extension-module` set. [#1095](https://github.com/PyO3/pyo3/pull/1095) - Always link against libpython on android with the `extension-module` feature. [#1095](https://github.com/PyO3/pyo3/pull/1095)
- Fix support for both `__add__` and `__radd__` in the `+` operator when both are defined in `PyNumberProtocol` - Fix the `+` operator not trying `__radd__` when both `__add__` and `__radd__` are defined in `PyNumberProtocol` (and similar for all other reversible operators). [#1107](https://github.com/PyO3/pyo3/pull/1107)
(and similar for all other reversible operators). [#1107](https://github.com/PyO3/pyo3/pull/1107) - Fix building with Anaconda python. [#1175](https://github.com/PyO3/pyo3/pull/1175)
- Associate Python functions with their module by passing the Module and Module name [#1143](https://github.com/PyO3/pyo3/pull/1143)
## [0.11.1] - 2020-06-30 ## [0.11.1] - 2020-06-30
### Added ### Added
@ -498,7 +497,8 @@ Yanked
### Added ### Added
- Initial release - Initial release
[Unreleased]: https://github.com/pyo3/pyo3/compare/v0.11.1...HEAD [Unreleased]: https://github.com/pyo3/pyo3/compare/v0.12.0...HEAD
[0.12.0]: https://github.com/pyo3/pyo3/compare/v0.11.1...v0.12.0
[0.11.1]: https://github.com/pyo3/pyo3/compare/v0.11.0...v0.11.1 [0.11.1]: https://github.com/pyo3/pyo3/compare/v0.11.0...v0.11.1
[0.11.0]: https://github.com/pyo3/pyo3/compare/v0.10.1...v0.11.0 [0.11.0]: https://github.com/pyo3/pyo3/compare/v0.10.1...v0.11.0
[0.10.1]: https://github.com/pyo3/pyo3/compare/v0.10.0...v0.10.1 [0.10.1]: https://github.com/pyo3/pyo3/compare/v0.10.0...v0.10.1

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Cargo.toml
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@ -1,6 +1,6 @@
[package] [package]
name = "pyo3" name = "pyo3"
version = "0.11.1" version = "0.12.0"
description = "Bindings to Python interpreter" description = "Bindings to Python interpreter"
authors = ["PyO3 Project and Contributors <https://github.com/PyO3>"] authors = ["PyO3 Project and Contributors <https://github.com/PyO3>"]
readme = "README.md" readme = "README.md"
@ -23,7 +23,7 @@ parking_lot = "0.11.0"
num-bigint = { version = "0.3", optional = true } num-bigint = { version = "0.3", optional = true }
num-complex = { version = "0.3", optional = true } num-complex = { version = "0.3", optional = true }
paste = { version = "0.1.6", optional = true } paste = { version = "0.1.6", optional = true }
pyo3cls = { path = "pyo3cls", version = "=0.11.1", optional = true } pyo3cls = { path = "pyo3cls", version = "=0.12.0", optional = true }
unindent = { version = "0.1.4", optional = true } unindent = { version = "0.1.4", optional = true }
hashbrown = { version = "0.9", optional = true } hashbrown = { version = "0.9", optional = true }

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README.md
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@ -48,7 +48,7 @@ name = "string_sum"
crate-type = ["cdylib"] crate-type = ["cdylib"]
[dependencies.pyo3] [dependencies.pyo3]
version = "0.11.1" version = "0.12.0"
features = ["extension-module"] features = ["extension-module"]
``` ```
@ -99,7 +99,7 @@ use it to run Python code, add `pyo3` to your `Cargo.toml` like this:
```toml ```toml
[dependencies] [dependencies]
pyo3 = "0.11.1" pyo3 = "0.12.0"
``` ```
Example program displaying the value of `sys.version` and the current user name: Example program displaying the value of `sys.version` and the current user name:

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pyo3-derive-backend/Cargo.toml
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@ -1,6 +1,6 @@
[package] [package]
name = "pyo3-derive-backend" name = "pyo3-derive-backend"
version = "0.11.1" version = "0.12.0"
description = "Code generation for PyO3 package" description = "Code generation for PyO3 package"
authors = ["PyO3 Project and Contributors <https://github.com/PyO3>"] authors = ["PyO3 Project and Contributors <https://github.com/PyO3>"]
keywords = ["pyo3", "python", "cpython", "ffi"] keywords = ["pyo3", "python", "cpython", "ffi"]

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pyo3cls/Cargo.toml
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@ -1,6 +1,6 @@
[package] [package]
name = "pyo3cls" name = "pyo3cls"
version = "0.11.1" version = "0.12.0"
description = "Proc macros for PyO3 package" description = "Proc macros for PyO3 package"
authors = ["PyO3 Project and Contributors <https://github.com/PyO3>"] authors = ["PyO3 Project and Contributors <https://github.com/PyO3>"]
keywords = ["pyo3", "python", "cpython", "ffi"] keywords = ["pyo3", "python", "cpython", "ffi"]
@ -16,4 +16,4 @@ proc-macro = true
[dependencies] [dependencies]
quote = "1" quote = "1"
syn = { version = "1", features = ["full", "extra-traits"] } syn = { version = "1", features = ["full", "extra-traits"] }
pyo3-derive-backend = { path = "../pyo3-derive-backend", version = "=0.11.1" } pyo3-derive-backend = { path = "../pyo3-derive-backend", version = "=0.12.0" }

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src/lib.rs
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@ -52,7 +52,7 @@
//! crate-type = ["cdylib"] //! crate-type = ["cdylib"]
//! //!
//! [dependencies.pyo3] //! [dependencies.pyo3]
//! version = "0.11.1" //! version = "0.12.0"
//! features = ["extension-module"] //! features = ["extension-module"]
//! ``` //! ```
//! //!
@ -109,7 +109,7 @@
//! //!
//! ```toml //! ```toml
//! [dependencies] //! [dependencies]
//! pyo3 = "0.11.1" //! pyo3 = "0.12.0"
//! ``` //! ```
//! //!
//! Example program displaying the value of `sys.version`: //! Example program displaying the value of `sys.version`: