rewrite deprecated pyo3 methods

python/src/build.rs

@@ -19,7 +19,7 @@ use std::io::BufWriter;
 use std::path::Path;
 
 use pyo3::prelude::*;
-use pyo3::types::{PyBytes, PyList, PyString, PyTuple, PyType};
+use pyo3::types::{PyBytes, PyList, PyString, PyType};
 
 use sudachi::analysis::stateless_tokenizer::DictionaryAccess;
 use sudachi::config::Config;
@@ -36,18 +36,11 @@ pub fn register_functions(m: &Bound<PyModule>) -> PyResult<()> {
 }
 
 fn to_stats<T: DictionaryAccess>(py: Python, builder: DictBuilder<T>) -> PyResult<Bound<PyList>> {
-    let stats = PyList::empty_bound(py);
+    let stats = PyList::empty(py);
 
     for p in builder.report() {
-        let t = PyTuple::new_bound(
-            py,
-            [
-                p.part().into_py(py),
-                p.size().into_py(py),
-                p.time().as_secs_f64().into_py(py),
-            ],
-        );
-        stats.append(t)?;
+        let values = (p.part(), p.size(), p.time().as_secs_f64());
+        stats.append(values.into_pyobject(py)?)?;
     }
 
     Ok(stats)
@@ -174,7 +167,7 @@ fn resolve_as_pypathstr<'py>(
     py: Python<'py>,
     data: &Bound<'py, PyAny>,
 ) -> PyResult<Option<Bound<'py, PyString>>> {
-    let binding = py.import_bound("pathlib")?.getattr("Path")?;
+    let binding = py.import("pathlib")?.getattr("Path")?;
     let path = binding.downcast::<PyType>()?;
     if data.is_instance(path)? {
         Ok(Some(data.call_method0("resolve")?.str()?))

python/src/dictionary.rs

@@ -21,6 +21,7 @@ use std::path::{Path, PathBuf};
 use std::str::FromStr;
 use std::sync::Arc;
 
+use pyo3::ffi::c_str;
 use pyo3::prelude::*;
 use pyo3::types::{PySet, PyString, PyTuple};
 
@@ -161,7 +162,7 @@ impl PyDictionary {
         if dict_type.is_some() {
             errors::warn_deprecation(
                 py,
-                "Parameter dict_type of Dictionary() is deprecated, use dict instead",
+                c_str!("Parameter dict_type of Dictionary() is deprecated, use dict instead"),
             )?
         }
 
@@ -212,7 +213,9 @@ impl PyDictionary {
             .pos_list
             .iter()
             .map(|pos| {
-                let tuple: Py<PyTuple> = PyTuple::new_bound(py, pos).into_py(py);
+                let tuple: Py<PyTuple> = PyTuple::new(py, pos)
+                    .expect("failed to convert POS tuple")
+                    .unbind();
                 tuple
             })
             .collect();
@@ -290,12 +293,8 @@ impl PyDictionary {
     /// :param target: can be either a list of POS partial tuples or a callable which maps POS to bool.
     ///
     /// :type target: Iterable[PartialPOS] | Callable[[POS], bool]
-    fn pos_matcher<'py>(
-        &'py self,
-        py: Python<'py>,
-        target: &Bound<'py, PyAny>,
-    ) -> PyResult<PyPosMatcher> {
-        PyPosMatcher::create(py, self.dictionary.as_ref().unwrap(), target)
+    fn pos_matcher<'py>(&'py self, target: &Bound<'py, PyAny>) -> PyResult<PyPosMatcher> {
+        PyPosMatcher::create(self.dictionary.as_ref().unwrap(), target)
     }
 
     /// Creates HuggingFace Tokenizers-compatible PreTokenizer.
@@ -349,13 +348,12 @@ impl PyDictionary {
         required_fields |= projection.required_subset();
 
         let projector = resolve_projection(passed, &dict.projection);
-        let internal = PyPretokenizer::new(dict, mode, required_fields, handler, projector);
-        let internal_cell = Bound::new(py, internal)?;
-        let module = py.import_bound("tokenizers.pre_tokenizers")?;
+        let pretokenizer = PyPretokenizer::new(dict, mode, required_fields, handler, projector);
+        let module = py.import("tokenizers.pre_tokenizers")?;
         module
             .getattr("PreTokenizer")?
             .getattr("custom")?
-            .call1(PyTuple::new_bound(py, [internal_cell]))
+            .call1((pretokenizer,))
     }
 
     /// Look up morphemes in the binary dictionary without performing the analysis.
@@ -489,7 +487,7 @@ fn read_config(config_opt: &Bound<PyAny>) -> PyResult<ConfigBuilder> {
         )));
     }
     let py = config_opt.py();
-    let cfg_type = py.import_bound("sudachipy.config")?.getattr("Config")?;
+    let cfg_type = py.import("sudachipy.config")?.getattr("Config")?;
     if config_opt.is_instance(&cfg_type)? {
         let cfg_as_str = config_opt.call_method0("as_jsons")?;
         return read_config(&cfg_as_str);
@@ -502,24 +500,20 @@ fn read_config(config_opt: &Bound<PyAny>) -> PyResult<ConfigBuilder> {
 }
 
 pub(crate) fn read_default_config(py: Python) -> PyResult<ConfigBuilder> {
-    let path = py
-        .import_bound("sudachipy")?
-        .getattr("_DEFAULT_SETTINGFILE")?;
+    let path = py.import("sudachipy")?.getattr("_DEFAULT_SETTINGFILE")?;
     let path = path.downcast::<PyString>()?.to_str()?;
     let path = PathBuf::from(path);
     errors::wrap_ctx(ConfigBuilder::from_opt_file(Some(&path)), &path)
 }
 
 pub(crate) fn get_default_resource_dir(py: Python) -> PyResult<PathBuf> {
-    let path = py
-        .import_bound("sudachipy")?
-        .getattr("_DEFAULT_RESOURCEDIR")?;
+    let path = py.import("sudachipy")?.getattr("_DEFAULT_RESOURCEDIR")?;
     let path = path.downcast::<PyString>()?.to_str()?;
     Ok(PathBuf::from(path))
 }
 
 fn find_dict_path(py: Python, dict_type: &str) -> PyResult<PathBuf> {
-    let pyfunc = py.import_bound("sudachipy")?.getattr("_find_dict_path")?;
+    let pyfunc = py.import("sudachipy")?.getattr("_find_dict_path")?;
     let path = pyfunc.call1((dict_type,))?;
     let path = path.downcast::<PyString>()?.to_str()?;
     Ok(PathBuf::from(path))

python/src/errors.rs

@@ -14,6 +14,7 @@
  *  limitations under the License.
  */
 
+use core::ffi::CStr;
 use std::fmt::{Debug, Display};
 
 use pyo3::exceptions::PyDeprecationWarning;
@@ -37,6 +38,6 @@ pub fn wrap_ctx<T, E: Display, C: Debug + ?Sized>(v: Result<T, E>, ctx: &C) -> P
     }
 }
 
-pub fn warn_deprecation(py: Python<'_>, msg: &str) -> PyResult<()> {
-    PyErr::warn_bound(py, &py.get_type_bound::<PyDeprecationWarning>(), msg, 1)
+pub fn warn_deprecation(py: Python<'_>, msg: &CStr) -> PyResult<()> {
+    PyErr::warn(py, &py.get_type::<PyDeprecationWarning>(), msg, 1)
 }

python/src/morpheme.rs

@@ -19,6 +19,7 @@ use std::ops::Deref;
 use std::sync::Arc;
 
 use pyo3::exceptions::PyIndexError;
+use pyo3::ffi::c_str;
 use pyo3::prelude::*;
 use pyo3::types::{PyList, PyString, PyTuple, PyType};
 
@@ -102,7 +103,7 @@ impl PyMorphemeListWrapper {
     fn empty(_cls: &Bound<PyType>, py: Python, dict: &PyDictionary) -> PyResult<Self> {
         errors::warn_deprecation(
             py,
-            "Use Tokenizer.tokenize(\"\") if you need an empty MorphemeList.",
+            c_str!("Use Tokenizer.tokenize(\"\") if you need an empty MorphemeList."),
         )?;
 
         let cloned = dict.dictionary.as_ref().unwrap().clone();
@@ -166,7 +167,7 @@ impl PyMorphemeListWrapper {
                 result.push(' ');
             }
         }
-        PyString::new_bound(py, result.as_str())
+        PyString::new(py, result.as_str())
     }
 
     fn __repr__(slf: Py<PyMorphemeListWrapper>, py: Python) -> PyResult<Bound<PyString>> {
@@ -185,7 +186,7 @@ impl PyMorphemeListWrapper {
             result.push_str(",\n");
         }
         result.push_str("]>");
-        Ok(PyString::new_bound(py, result.as_str()))
+        Ok(PyString::new(py, result.as_str()))
     }
 
     fn __iter__(slf: Py<Self>) -> PyMorphemeIter {
@@ -302,7 +303,7 @@ impl PyMorpheme {
         let list = self.list(py);
         let morph = self.morph(py);
         match list.projection() {
-            None => PyString::new_bound(py, morph.surface().deref()),
+            None => PyString::new(py, morph.surface().deref()),
             Some(proj) => proj.project(morph.deref(), py),
         }
     }
@@ -312,7 +313,7 @@ impl PyMorpheme {
     /// See `Config.projection`.
     #[pyo3(text_signature = "(self, /) -> str")]
     fn raw_surface<'py>(&'py self, py: Python<'py>) -> Bound<'py, PyString> {
-        PyString::new_bound(py, self.morph(py).surface().deref())
+        PyString::new(py, self.morph(py).surface().deref())
     }
 
     /// Returns the part of speech as a six-element tuple.
@@ -335,20 +336,32 @@ impl PyMorpheme {
 
     /// Returns the dictionary form.
     #[pyo3(text_signature = "(self, /) -> str")]
-    fn dictionary_form<'py>(&'py self, py: Python<'py>) -> PyObject {
-        self.morph(py).get_word_info().dictionary_form().into_py(py)
+    fn dictionary_form<'py>(&'py self, py: Python<'py>) -> PyResult<Bound<PyString>> {
+        Ok(self
+            .morph(py)
+            .get_word_info()
+            .dictionary_form()
+            .into_pyobject(py)?)
     }
 
     /// Returns the normalized form.
     #[pyo3(text_signature = "(self, /) -> str")]
-    fn normalized_form<'py>(&'py self, py: Python<'py>) -> PyObject {
-        self.morph(py).get_word_info().normalized_form().into_py(py)
+    fn normalized_form<'py>(&'py self, py: Python<'py>) -> PyResult<Bound<PyString>> {
+        Ok(self
+            .morph(py)
+            .get_word_info()
+            .normalized_form()
+            .into_pyobject(py)?)
     }
 
     /// Returns the reading form.
     #[pyo3(text_signature = "(self, /) -> str")]
-    fn reading_form<'py>(&'py self, py: Python<'py>) -> PyObject {
-        self.morph(py).get_word_info().reading_form().into_py(py)
+    fn reading_form<'py>(&'py self, py: Python<'py>) -> PyResult<Bound<PyString>> {
+        Ok(self
+            .morph(py)
+            .get_word_info()
+            .reading_form()
+            .into_pyobject(py)?)
     }
 
     /// Returns sub-morphemes in the provided split mode.
@@ -432,10 +445,10 @@ impl PyMorpheme {
 
     /// Returns the list of synonym group ids.
     #[pyo3(text_signature = "(self, /) -> List[int]")]
-    fn synonym_group_ids<'py>(&'py self, py: Python<'py>) -> Bound<PyList> {
+    fn synonym_group_ids<'py>(&'py self, py: Python<'py>) -> PyResult<Bound<PyList>> {
         let mref = self.morph(py);
         let ids = mref.get_word_info().synonym_group_ids();
-        PyList::new_bound(py, ids)
+        PyList::new(py, ids)
     }
 
     /// Returns the word info.
@@ -444,7 +457,7 @@ impl PyMorpheme {
     ///    Users should not touch the raw WordInfo.
     #[pyo3(text_signature = "(self, /) -> WordInfo")]
     fn get_word_info(&self, py: Python) -> PyResult<PyWordInfo> {
-        errors::warn_deprecation(py, "Users should not touch the raw WordInfo.")?;
+        errors::warn_deprecation(py, c_str!("Users should not touch the raw WordInfo."))?;
         Ok(self.morph(py).get_word_info().clone().into())
     }
 

python/src/pos_matcher.rs

@@ -39,23 +39,21 @@ pub struct PyPosMatcher {
 
 impl PyPosMatcher {
     pub(crate) fn create<'py>(
-        py: Python<'py>,
         dic: &'py Arc<PyDicData>,
         data: &Bound<'py, PyAny>,
     ) -> PyResult<PyPosMatcher> {
         if data.is_callable() {
-            Self::create_from_fn(dic, data, py)
+            Self::create_from_fn(dic, data)
         } else {
-            let iter = data.iter()?;
+            let iter = data.try_iter()?;
             Self::create_from_iter(dic, &iter)
         }
     }
 
-    fn create_from_fn(dic: &Arc<PyDicData>, func: &Bound<PyAny>, py: Python) -> PyResult<Self> {
+    fn create_from_fn(dic: &Arc<PyDicData>, func: &Bound<PyAny>) -> PyResult<Self> {
         let mut data = Vec::new();
         for (pos_id, pos) in dic.pos.iter().enumerate() {
-            let args = PyTuple::new_bound(py, [pos]);
-            if func.call1(args)?.downcast::<PyBool>()?.is_true() {
+            if func.call1((pos,))?.downcast::<PyBool>()?.is_true() {
                 data.push(pos_id as u16);
             }
         }

python/src/pretokenizer.rs

@@ -20,7 +20,7 @@ use std::sync::Arc;
 use pyo3::intern;
 use pyo3::prelude::*;
 use pyo3::sync::GILOnceCell;
-use pyo3::types::{PyList, PySlice, PyTuple, PyType};
+use pyo3::types::{PyList, PySlice, PyType};
 use thread_local::ThreadLocal;
 
 use sudachi::analysis::stateful_tokenizer::StatefulTokenizer;
@@ -154,8 +154,7 @@ impl PyPretokenizer {
             }
             Some(h) => {
                 let mrp: &Bound<PyAny> = morphs.bind(py);
-                let args = PyTuple::new_bound(py, [index, string, mrp]);
-                h.bind(py).call1(args)
+                h.bind(py).call1((index, string, mrp))
             }
         }
     }
@@ -166,7 +165,7 @@ impl PyPretokenizer {
         py: Python<'py>,
         data: &Bound<'py, PyAny>,
     ) -> PyResult<Bound<'py, PyAny>> {
-        data.call_method1(intern!(py, "split"), PyTuple::new_bound(py, [self_]))
+        data.call_method1(intern!(py, "split"), (self_,))
     }
 }
 
@@ -175,12 +174,11 @@ fn make_result_for_surface<'py>(
     morphs: &PyMorphemeList,
     string: &Bound<'py, PyAny>,
 ) -> PyResult<Bound<'py, PyList>> {
-    let result = PyList::empty_bound(py);
+    let result = PyList::empty(py);
     for idx in 0..morphs.len() {
         let node = morphs.get(idx);
-        let slice = PySlice::new_bound(py, node.begin_c() as isize, node.end_c() as isize, 1);
-        let args = PyTuple::new_bound(py, [slice]);
-        let substring = string.call_method1(intern!(py, "slice"), args)?;
+        let slice = PySlice::new(py, node.begin_c() as isize, node.end_c() as isize, 1);
+        let substring = string.call_method1(intern!(py, "slice"), (slice,))?;
         result.append(substring)?;
     }
     Ok(result)
@@ -191,20 +189,19 @@ fn make_result_for_projection<'py>(
     morphs: &PyMorphemeList,
     proj: &dyn MorphemeProjection,
 ) -> PyResult<Bound<'py, PyList>> {
-    let result = PyList::empty_bound(py);
+    let result = PyList::empty(py);
     let nstring = {
         static NORMALIZED_STRING: GILOnceCell<Py<PyType>> = GILOnceCell::new();
         NORMALIZED_STRING.get_or_try_init(py, || -> PyResult<Py<PyType>> {
-            let ns = py.import_bound("tokenizers")?.getattr("NormalizedString")?;
+            let ns = py.import("tokenizers")?.getattr("NormalizedString")?;
             let tpe = ns.downcast::<PyType>()?;
             Ok(tpe.clone().unbind())
         })?
     };
     for idx in 0..morphs.len() {
         let node = morphs.get(idx);
         let value = proj.project(&node, py);
-        let args = PyTuple::new_bound(py, [value]);
-        let substring = nstring.call1(py, args)?;
+        let substring = nstring.call1(py, (value,))?;
         result.append(substring)?;
     }
     Ok(result)