Many small improvements
This commit is contained in:
parent
55d0917419
commit
d0ed68414a
24
.travis.yml
24
.travis.yml
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@ -4,21 +4,23 @@ language: python
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cache:
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pip: true
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cargo: true
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directories:
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- $HOME/.cargo
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- $TRAVIS_BUILD_DIR/target
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matrix:
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include:
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- python: "2.7"
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env: FEATURES=python2
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- python: "3.5"
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env: FEATURES=python3
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- python: "3.6"
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env: FEATURES=python3
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- python: "3.7-dev"
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env: FEATURES=python3
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- python: "2.7"
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env: FEATURES=python2
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- python: "3.5"
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env: FEATURES=python3
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- python: "3.6"
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env: FEATURES=python3
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- python: "3.7-dev"
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env: FEATURES=python3
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allow_failures:
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- python: "3.7-dev"
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env: FEATURES=python3
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- python: "3.7-dev"
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env: FEATURES=python3
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env:
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global:
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14
Cargo.toml
14
Cargo.toml
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@ -15,22 +15,22 @@ build = "build.rs"
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[badges]
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travis-ci = { repository = "PyO3/pyo3", branch = "master" }
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appveyor = { repository = "PyO3/pyo3" }
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appveyor = { repository = "fafhrd91/pyo3" }
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codecov = { repository = "PyO3/pyo3", branch = "master", service = "github" }
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[dependencies]
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libc = "0.2"
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spin = "0.4.6"
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num-traits = "0.2"
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libc = "0.2.42"
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spin = "0.4.8"
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num-traits = "0.2.5"
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pyo3cls = { path = "pyo3cls", version = "0.4.0" }
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mashup = "0.1.5"
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[dev-dependencies]
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docmatic = "^0.1.2"
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docmatic = "0.1.2"
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[build-dependencies]
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regex = "1.0"
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version_check = "0.1.3"
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regex = "1.0.2"
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version_check = "0.1.4"
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[features]
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default = []
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@ -1,7 +1,7 @@
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# PyO3
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[![Build Status](https://travis-ci.org/PyO3/pyo3.svg?branch=master)](https://travis-ci.org/PyO3/pyo3)
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[![Build Status](https://ci.appveyor.com/api/projects/status/github/PyO3/pyo3?branch=master&svg=true)](https://ci.appveyor.com/project/fafhrd91/pyo3)
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[![Build Status](https://ci.appveyor.com/api/projects/status/github/fafhrd91/pyo3?branch=master&svg=true)](https://ci.appveyor.com/project/fafhrd91/pyo3)
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[![codecov](https://codecov.io/gh/PyO3/pyo3/branch/master/graph/badge.svg)](https://codecov.io/gh/PyO3/pyo3)
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[![crates.io](http://meritbadge.herokuapp.com/pyo3)](https://crates.io/crates/pyo3)
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[![Join the dev chat](https://img.shields.io/gitter/room/nwjs/nw.js.svg)](https://gitter.im/PyO3/Lobby)
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20
build.rs
20
build.rs
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@ -6,6 +6,7 @@ use std::collections::HashMap;
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use std::env;
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use std::fmt;
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use std::process::Command;
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use std::process::Stdio;
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use version_check::{is_min_date, is_min_version, supports_features};
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// Specifies the minimum nightly version needed to compile pyo3.
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@ -172,12 +173,12 @@ fn cfg_line_for_var(key: &str, val: &str) -> Option<String> {
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fn run_python_script(interpreter: &str, script: &str) -> Result<String, String> {
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let out = Command::new(interpreter)
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.args(&["-c", script])
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.stderr(Stdio::inherit())
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.output()
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.map_err(|e| format!("failed to run python interpreter:\n\n{}", e))?;
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if !out.status.success() {
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let stderr = String::from_utf8(out.stderr).unwrap();
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return Err(format!("python script failed with stderr:\n\n{}", stderr));
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return Err(format!("python script failed"));
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}
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Ok(String::from_utf8(out.stdout).unwrap())
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/// Extract compilation vars from the specified interpreter.
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fn get_config_from_interpreter(interpreter: &str) -> Result<(PythonVersion, Vec<String>), String> {
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let script = "import sys; import sysconfig; print(sys.version_info[0:2]); \
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print(sysconfig.get_config_var('LIBDIR')); \
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print(sysconfig.get_config_var('Py_ENABLE_SHARED')); \
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print(sysconfig.get_config_var('LDVERSION') or sysconfig.get_config_var('py_version_short')); \
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print(sys.exec_prefix);";
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let script = r#"
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import sys
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import sysconfig
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print(sys.version_info[0:2])
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print(sysconfig.get_config_var('LIBDIR'))
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print(sysconfig.get_config_var('Py_ENABLE_SHARED'))
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print(sysconfig.get_config_var('LDVERSION') or sysconfig.get_config_var('py_version_short'))
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print(sys.exec_prefix)
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"#;
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let out = run_python_script(interpreter, script)?;
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let lines: Vec<String> = out.lines().map(|line| line.to_owned()).collect();
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let interpreter_version = get_interpreter_version(&lines[0])?;
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@ -38,13 +38,7 @@ fi
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### Setup python linker flags ##################################################
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PYTHON_LIB=$(python -c "import sysconfig; print(sysconfig.get_config_var('LIBDIR'))")
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LIBRARY_PATH="$LIBRARY_PATH:$PYTHON_LIB"
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# delete any possible empty components
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# https://github.com/google/pulldown-cmark/issues/122#issuecomment-364948741
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LIBRARY_PATH=$(echo ${LIBRARY_PATH} | sed -E -e 's/^:*//' -e 's/:*$//' -e 's/:+/:/g')
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export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$PYTHON_LIB:$HOME/rust/lib"
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export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$LIBRARY_PATH:$HOME/rust/lib"
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python -c "import sysconfig; print(sysconfig.get_config_var('LIBDIR'))"
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echo ${LD_LIBRARY_PATH}
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@ -4,7 +4,7 @@ name = "word-count"
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version = "0.1.0"
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[dependencies]
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rayon = "1.0"
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rayon = "1.0.2"
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pyo3 = { path = "../..", features = ["extension-module"] }
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[lib]
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@ -0,0 +1,2 @@
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[build-system]
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requires = ["setuptools", "wheel", "setuptools-rust"]
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@ -25,8 +25,7 @@ class PyTest(TestCommand):
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import subprocess
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import sys
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errno = subprocess.call([sys.executable, "-m", "pytest", "tests"])
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raise SystemExit(errno)
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subprocess.check_call([sys.executable, "-m", "pytest", "tests"])
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setup_requires = ["setuptools-rust>=0.10.1", "wheel"]
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@ -54,3 +54,16 @@ fn module_with_functions(py: Python, m: &PyModule) -> PyResult<()> {
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# fn main() {}
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```
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## Closures
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Currently, there are no conversions between `Fn`s in rust and callables in python. This would definitely be possible and very useful, so contributions are welcome. In the meantime, you can do the following:
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### Calling a python function in rust
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You can use `ObjectProtocol::is_callable` to check if you got a callable, which is true for functions (including lambdas), methods and objects with a `__call__` method. You can call the object with `ObjectProtocol::call` with the args as first parameter and the kwargs (or `NoArgs`) as second paramter. There are also `ObjectProtocol::call0` with no args and `ObjectProtocol::call1` with only the args.
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### Calling rust `Fn`s in python
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If you have a static function, you can expose it with `#[pyfunction]` and use `wrap_function!` to get the corresponding `PyObject`. For dynamic functions, e.g. lambda and functions that were passed as arguments, you must put them in some kind of owned container, e.g. a box. (Long-Term a special container similar to wasm-bindgen's `Closure` should take care of that). You can than use a `#[pyclass]` struct with that container as field as a way to pass the function over the ffi-barrier. You can even make that class callable with `__call__` so it looks like a function in python code.
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@ -11,13 +11,13 @@ categories = ["api-bindings", "development-tools::ffi"]
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license = "Apache-2.0"
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[dependencies]
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log="0.4"
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quote="0.6"
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log= "0.4.3"
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quote= "0.6.4"
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[dependencies.proc-macro2]
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version = "0.4.9"
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features = ["nightly"]
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[dependencies.syn]
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version="0.14"
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version= "0.14.5"
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features=["full", "parsing", "printing", "extra-traits"]
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@ -61,7 +61,7 @@ pub fn py2_init(fnname: &syn::Ident, name: &syn::Ident, doc: syn::Lit) -> TokenS
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quote! {
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#[no_mangle]
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#[allow(non_snake_case, unused_imports)]
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#[allow(non_snake_case)]
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pub unsafe extern "C" fn #cb_name() {
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// initialize python
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::pyo3::init_once();
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let body_to_result = py_method::body_to_result(&body, spec);
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quote! {
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#[allow(unused_variables, unused_imports)]
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unsafe extern "C" fn __wrap(
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_slf: *mut ::pyo3::ffi::PyObject,
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_args: *mut ::pyo3::ffi::PyObject,
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proc-macro = true
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[dependencies]
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quote="0.6"
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quote= "0.6.4"
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[dependencies.syn]
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version="0.14"
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version= "0.14.5"
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features=["full", "parsing", "printing", "extra-traits"]
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[dependencies.pyo3-derive-backend]
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@ -98,21 +98,21 @@ mod tupleobject; // TODO supports PEP-384 only; needs adjustment for Python 3.3
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mod enumobject; // TODO supports PEP-384 only; needs adjustment for Python 3.3 and 3.5
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mod methodobject; // TODO supports PEP-384 only; needs adjustment for Python 3.3 and 3.5
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mod moduleobject;
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mod setobject; // TODO supports PEP-384 only; needs adjustment for Python 3.3 and 3.5 // TODO supports PEP-384 only; needs adjustment for Python 3.3 and 3.5
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// mod funcobject; TODO excluded by PEP-384
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// mod classobject; TODO excluded by PEP-384
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mod setobject; // TODO supports PEP-384 only; needs adjustment for Python 3.3 and 3.5
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// mod funcobject; TODO excluded by PEP-384
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// mod classobject; TODO excluded by PEP-384
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mod fileobject; // TODO supports PEP-384 only; needs adjustment for Python 3.3 and 3.5
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mod pycapsule; // TODO supports PEP-384 only; needs adjustment for Python 3.3 and 3.5
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mod sliceobject;
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mod traceback; // TODO supports PEP-384 only; needs adjustment for Python 3.3 and 3.5 // TODO supports PEP-384 only; needs adjustment for Python 3.3 and 3.5
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// mod cellobject; TODO excluded by PEP-384
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mod traceback; // TODO supports PEP-384 only; needs adjustment for Python 3.3 and 3.5
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// mod cellobject; TODO excluded by PEP-384
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mod descrobject; // TODO supports PEP-384 only; needs adjustment for Python 3.3 and 3.5
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mod genobject; // TODO excluded by PEP-384
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mod iterobject; // TODO supports PEP-384 only; needs adjustment for Python 3.3 and 3.5
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mod structseq;
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mod warnings; // TODO supports PEP-384 only; needs adjustment for Python 3.3 and 3.5
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mod weakrefobject; // TODO supports PEP-384 only; needs adjustment for Python 3.3 and 3.5 // TODO supports PEP-384 only; needs adjustment for Python 3.3 and 3.5
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// mod namespaceobject; TODO
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mod weakrefobject; // TODO supports PEP-384 only; needs adjustment for Python 3.3 and 3.5
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// mod namespaceobject; TODO
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mod codecs; // TODO supports PEP-384 only; needs adjustment for Python 3.3 and 3.5
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mod pyerrors; // TODO supports PEP-384 only; needs adjustment for Python 3.3 and 3.5
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mod intrcheck; // TODO supports PEP-384 only; needs adjustment for Python 3.3 and 3.5
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#[cfg(Py_3_6)]
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mod osmodule;
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mod sysmodule; // TODO supports PEP-384 only; needs adjustment for Python 3.3 and 3.5 // TODO supports PEP-384 only; needs adjustment for Python 3.3 and 3.5
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mod sysmodule; // TODO supports PEP-384 only; needs adjustment for Python 3.3 and 3.5
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mod bltinmodule;
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mod objectabstract; // TODO supports PEP-384 only; needs adjustment for Python 3.3 and 3.5
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@ -14,7 +14,6 @@ use python::{IntoPyDictPointer, IntoPyPointer, Python, ToPyPointer};
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use typeob::PyTypeInfo;
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/// Python object model helper methods
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pub trait ObjectProtocol {
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/// Determines whether this object has the given attribute.
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/// This is equivalent to the Python expression 'hasattr(self, attr_name)'.
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FromPyObject::extract(self.into())
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}
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fn get_refcnt(&self) -> isize {
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unsafe { ffi::Py_REFCNT(self.as_ptr()) }
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}
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#[allow(non_snake_case)] // the Python keyword starts with uppercase
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fn None(&self) -> PyObject {
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unsafe { PyObject::from_borrowed_ptr(self.py(), ffi::Py_None()) }
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}
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fn get_refcnt(&self) -> isize {
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unsafe { ffi::Py_REFCNT(self.as_ptr()) }
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}
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}
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#[cfg(test)]
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@ -2,11 +2,6 @@
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//
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// based on Daniel Grunwald's https://github.com/dgrunwald/rust-cpython
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use std;
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use std::ffi::CString;
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use std::marker::PhantomData;
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use std::os::raw::c_int;
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use conversion::PyTryFrom;
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use err::{PyDowncastError, PyErr, PyResult};
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use ffi;
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use object::PyObject;
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use objects::{PyDict, PyModule, PyObjectRef, PyType};
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use pythonrun::{self, GILGuard};
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use std;
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use std::ffi::CString;
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use std::marker::PhantomData;
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use std::os::raw::c_int;
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use typeob::{PyObjectAlloc, PyTypeInfo, PyTypeObject};
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/// Marker type that indicates that the GIL is currently held.
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@ -294,10 +293,11 @@ impl<'p> Python<'p> {
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where
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T: PyTypeInfo,
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{
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let p;
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unsafe {
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let p = pythonrun::register_owned(self, obj.into_ptr());
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<T as PyTryFrom>::try_from(p)
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p = pythonrun::register_owned(self, obj.into_ptr());
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}
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<T as PyTryFrom>::try_from(p)
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}
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/// Register object in release pool, and do unchecked downcast to specific type.
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@ -463,7 +463,6 @@ impl<'p> Python<'p> {
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/// Release `ffi::PyObject` pointer.
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/// Undefined behavior if the pointer is invalid.
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#[inline]
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pub fn xdecref(self, ptr: *mut ffi::PyObject) {
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if !ptr.is_null() {
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unsafe { ffi::Py_DECREF(ptr) };
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