Add flake8-blind-except (#805)

src/flake8_blind_except/mod.rs

@@ -0,0 +1 @@
+pub mod plugins;

src/flake8_blind_except/plugins.rs

@@ -0,0 +1,23 @@
+use rustpython_ast::{Excepthandler, ExcepthandlerKind, ExprKind};
+
+use crate::ast::types::Range;
+use crate::check_ast::Checker;
+use crate::checks::{Check, CheckKind};
+
+pub fn blind_except(checker: &mut Checker, handlers: &[Excepthandler]) {
+    for handler in handlers {
+        let ExcepthandlerKind::ExceptHandler { type_, .. } = &handler.node;
+        if let Some(type_) = type_ {
+            if let ExprKind::Name { id, .. } = &type_.node {
+                for exception in ["BaseException", "Exception"] {
+                    if id == exception {
+                        checker.add_check(Check::new(
+                            CheckKind::BlindExcept,
+                            Range::from_located(type_),
+                        ));
+                    }
+                }
+            }
+        }
+    }
+}