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Introduce a ruff_python_semantic crate (#3865)

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Charlie Marsh 2023-04-04 12:50:47 -04:00 • committed by GitHub
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commit d919adc13c
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64 changed files with 267 additions and 225 deletions
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58
crates/ruff_python_ast/src/logging.rs
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@ -1,58 +0,0 @@
use rustpython_parser::ast::{Expr, ExprKind};
use crate::call_path::collect_call_path;
use crate::context::Context;
#[derive(Copy, Clone)]
pub enum LoggingLevel {
Debug,
Critical,
Error,
Exception,
Info,
Warn,
Warning,
}
impl LoggingLevel {
pub fn from_attribute(level: &str) -> Option<Self> {
match level {
"debug" => Some(LoggingLevel::Debug),
"critical" => Some(LoggingLevel::Critical),
"error" => Some(LoggingLevel::Error),
"exception" => Some(LoggingLevel::Exception),
"info" => Some(LoggingLevel::Info),
"warn" => Some(LoggingLevel::Warn),
"warning" => Some(LoggingLevel::Warning),
_ => None,
}
}
}
/// Return `true` if the given `Expr` is a potential logging call. Matches
/// `logging.error`, `logger.error`, `self.logger.error`, etc., but not
/// arbitrary `foo.error` calls.
///
/// It even matches direct `logging.error` calls even if the `logging` module
/// is aliased. Example:
/// ```python
/// import logging as bar
///
/// # This is detected to be a logger candidate
/// bar.error()
/// ```
pub fn is_logger_candidate(context: &Context, func: &Expr) -> bool {
if let ExprKind::Attribute { value, .. } = &func.node {
let Some(call_path) = context
.resolve_call_path(value)
.or_else(|| collect_call_path(value)) else {
return false;
};
if let Some(tail) = call_path.last() {
if tail.starts_with("log") || tail.ends_with("logger") || tail.ends_with("logging") {
return true;
}
}
}
false
}