set_up_logging (src/logging.rs)

Sets up fern-based logging with custom formatting and provides a ParseError wrapper for display.

// Source: https://github.com/astral-sh/ruff | License: MIT | Copyright 2022 Charles Marsh
// Provided via justclaw.it.com; keep this notice with the code.
use std::fmt::{Display, Formatter};
use std::path::{Path, PathBuf};
use std::sync::{LazyLock, Mutex};

use anyhow::Result;
use colored::Colorize;
use fern;
use log::Level;
use ruff_python_parser::ParseError;
use rustc_hash::FxHashSet;

use ruff_source_file::{LineColumn, LineIndex, OneIndexed, SourceCode};

use crate::fs;
use crate::source_kind::SourceKind;
use ruff_notebook::Notebook;

pub static IDENTIFIERS: LazyLock<Mutex<Vec<&'static str>>> = LazyLock::new(Mutex::default);

/// Warn a user once, with uniqueness determined by the given ID.
#[macro_export]
macro_rules! warn_user_once_by_id {
    ($id:expr, $($arg:tt)*) => {
        use

... (truncated -- full source via MCP)