Uprev jiter to v0.4.1 and pydantic-core to v2.18.4 (#1306)

Co-authored-by: David Hewitt <david.hewitt@pydantic.dev>

Author: sydney-runkle

.github/workflows/ci.yml

@@ -90,6 +90,9 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - run: pip install -r tests/requirements.txt
+      # TODO: remove this after the the next release of typing-extensions (v4.12.3 or v.4.13.0)
+      - run: pip uninstall -y typing-extensions
+      - run: pip install -U git+https://github.com/python/typing_extensions@main
 
       - run: pip install -e .
         env:

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "pydantic-core"
-version = "2.18.3"
+version = "2.18.4"
 edition = "2021"
 license = "MIT"
 homepage = "https://github.com/pydantic/pydantic-core"
@@ -44,7 +44,7 @@ base64 = "0.21.7"
 num-bigint = "0.4.4"
 python3-dll-a = "0.2.7"
 uuid = "1.8.0"
-jiter = { version = "0.2.1", features = ["python"] }
+jiter = { version = "0.4.1", features = ["python"] }
 
 [lib]
 name = "_pydantic_core"

Cargo.toml

@@ -4,7 +4,7 @@ extern crate core;
 
 use std::sync::OnceLock;
 
-use jiter::StringCacheMode;
+use jiter::{map_json_error, PartialMode, PythonParse, StringCacheMode};
 use pyo3::exceptions::PyTypeError;
 use pyo3::{prelude::*, sync::GILOnceCell};
 
@@ -63,8 +63,21 @@ pub fn from_json<'py>(
         CacheStringsArg::Bool(b) => b.into(),
         CacheStringsArg::Literal(mode) => mode,
     };
-    jiter::python_parse(py, json_bytes, allow_inf_nan, cache_mode, allow_partial)
-        .map_err(|e| jiter::map_json_error(json_bytes, &e))
+    let partial_mode = if allow_partial {
+        PartialMode::On
+    } else {
+        PartialMode::Off
+    };
+    let parse_builder = PythonParse {
+        allow_inf_nan,
+        cache_mode,
+        partial_mode,
+        catch_duplicate_keys: false,
+        lossless_floats: false,
+    };
+    parse_builder
+        .python_parse(py, json_bytes)
+        .map_err(|e| map_json_error(json_bytes, &e))
 }
 
 pub fn get_pydantic_core_version() -> &'static str {

src/lib.rs

@@ -2,7 +2,7 @@ use pyo3::intern;
 use pyo3::prelude::*;
 use pyo3::types::PyDict;
 
-use jiter::JsonValue;
+use jiter::{JsonValue, PartialMode, PythonParse};
 
 use crate::errors::{ErrorType, ErrorTypeDefaults, ValError, ValLineError, ValResult};
 use crate::input::{EitherBytes, Input, InputType, ValidationMatch};
@@ -64,7 +64,15 @@ impl Validator for JsonValidator {
                 validator.validate(py, &json_value, &mut json_state)
             }
             None => {
-                let obj = jiter::python_parse(py, json_bytes, true, state.cache_str(), false)
+                let parse_builder = PythonParse {
+                    allow_inf_nan: true,
+                    cache_mode: state.cache_str(),
+                    partial_mode: PartialMode::Off,
+                    catch_duplicate_keys: false,
+                    lossless_floats: false,
+                };
+                let obj = parse_builder
+                    .python_parse(py, json_bytes)
                     .map_err(|e| map_json_err(input, e, json_bytes))?;
                 Ok(obj.unbind())
             }