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Copy pathconfig.rs
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84 lines (74 loc) · 2.67 KB
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// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
use pyo3::prelude::*;
use pyo3::types::*;
use datafusion::config::ConfigOptions;
use crate::errors::PyDataFusionResult;
use crate::utils::py_obj_to_scalar_value;
#[pyclass(name = "Config", module = "datafusion", subclass)]
#[derive(Clone)]
pub(crate) struct PyConfig {
config: ConfigOptions,
}
#[pymethods]
impl PyConfig {
#[new]
fn py_new() -> Self {
Self {
config: ConfigOptions::new(),
}
}
/// Get configurations from environment variables
#[staticmethod]
pub fn from_env() -> PyDataFusionResult<Self> {
Ok(Self {
config: ConfigOptions::from_env()?,
})
}
/// Get a configuration option
pub fn get<'py>(&mut self, key: &str, py: Python<'py>) -> PyResult<Bound<'py, PyAny>> {
let options = self.config.to_owned();
for entry in options.entries() {
if entry.key == key {
return Ok(entry.value.into_pyobject(py)?);
}
}
Ok(None::<String>.into_pyobject(py)?)
}
/// Set a configuration option
pub fn set(&mut self, key: &str, value: PyObject, py: Python) -> PyDataFusionResult<()> {
let scalar_value = py_obj_to_scalar_value(py, value)?;
self.config.set(key, scalar_value.to_string().as_str())?;
Ok(())
}
/// Get all configuration options
pub fn get_all(&mut self, py: Python) -> PyResult<PyObject> {
let dict = PyDict::new(py);
let options = self.config.to_owned();
for entry in options.entries() {
dict.set_item(entry.key, entry.value.clone().into_pyobject(py)?)?;
}
Ok(dict.into())
}
fn __repr__(&mut self, py: Python) -> PyResult<String> {
let dict = self.get_all(py);
match dict {
Ok(result) => Ok(format!("Config({result})")),
Err(err) => Ok(format!("Error: {:?}", err.to_string())),
}
}
}