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Create the
ruff_server crate and the ruff server command.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| use crate::ExitStatus; | ||
| use anyhow::Result; | ||
| use ruff_linter::logging::LogLevel; | ||
| use ruff_server::Server; | ||
| use tracing::{level_filters::LevelFilter, metadata::Level, subscriber::Interest, Metadata}; | ||
| use tracing_subscriber::{ | ||
| layer::{Context, Filter, SubscriberExt}, | ||
| Layer, Registry, | ||
| }; | ||
| use tracing_tree::time::Uptime; | ||
|
|
||
| pub(crate) fn run_server(log_level: LogLevel) -> Result<ExitStatus> { | ||
| let trace_level = if log_level == LogLevel::Verbose { | ||
| Level::TRACE | ||
| } else { | ||
| Level::DEBUG | ||
| }; | ||
|
|
||
| let subscriber = Registry::default().with( | ||
| tracing_tree::HierarchicalLayer::default() | ||
| .with_indent_lines(true) | ||
| .with_indent_amount(2) | ||
| .with_bracketed_fields(true) | ||
| .with_targets(true) | ||
| .with_writer(|| Box::new(std::io::stderr())) | ||
| .with_timer(Uptime::default()) | ||
| .with_filter(LoggingFilter { trace_level }), | ||
| ); | ||
|
|
||
| tracing::subscriber::set_global_default(subscriber)?; | ||
|
|
||
| let server = Server::new()?; | ||
|
|
||
| server.run().map(|()| ExitStatus::Success) | ||
| } | ||
|
|
||
| struct LoggingFilter { | ||
| trace_level: Level, | ||
| } | ||
|
|
||
| impl LoggingFilter { | ||
| fn is_enabled(&self, meta: &Metadata<'_>) -> bool { | ||
| let filter = if meta.target().starts_with("ruff") { | ||
| self.trace_level | ||
| } else { | ||
| Level::INFO | ||
| }; | ||
|
|
||
| meta.level() <= &filter | ||
| } | ||
| } | ||
|
|
||
| impl<S> Filter<S> for LoggingFilter { | ||
| fn enabled(&self, meta: &Metadata<'_>, _cx: &Context<'_, S>) -> bool { | ||
| self.is_enabled(meta) | ||
| } | ||
|
|
||
| fn callsite_enabled(&self, meta: &'static Metadata<'static>) -> Interest { | ||
| if self.is_enabled(meta) { | ||
| Interest::always() | ||
| } else { | ||
| Interest::never() | ||
| } | ||
| } | ||
|
|
||
| fn max_level_hint(&self) -> Option<LevelFilter> { | ||
| Some(LevelFilter::from_level(self.trace_level)) | ||
| } | ||
| } |
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