polars_io/csv/read/
mod.rs

1//! Functionality for reading CSV files.
2//!
3//! # Examples
4//!
5//! ```
6//! use polars_core::prelude::*;
7//! use polars_io::prelude::*;
8//! use std::fs::File;
9//!
10//! fn example() -> PolarsResult<DataFrame> {
11//!     // Prefer `from_path` over `new` as it is faster.
12//!     CsvReadOptions::default()
13//!         .with_has_header(true)
14//!         .try_into_reader_with_file_path(Some("example.csv".into()))?
15//!         .finish()
16//! }
17//! ```
18
19pub mod buffer;
20mod options;
21mod parser;
22mod read_impl;
23mod reader;
24pub mod schema_inference;
25mod splitfields;
26pub mod streaming;
27mod utils;
28
29pub use options::{CommentPrefix, CsvEncoding, CsvParseOptions, CsvReadOptions, NullValues};
30pub use parser::{SplitLines, count_rows, count_rows_from_slice_par};
31pub use reader::CsvReader;
32pub use streaming::read_until_start_and_infer_schema;
33
34pub mod _csv_read_internal {
35    pub use super::buffer::validate_utf8;
36    pub use super::options::{CommentPrefix, NullValuesCompiled};
37    pub use super::parser::{CountLines, SplitLines, is_comment_line};
38    pub use super::read_impl::{cast_columns, read_chunk};
39    pub use super::reader::prepare_csv_schema;
40}