Merge branch 'dcreager/dont-have-a-cow' into dcreager/alist-for-live-bds

* dcreager/dont-have-a-cow:
  [red-knot] unify LoopState and saved_break_states (#16406)
  [`pylint`] Also reports `case np.nan`/`case math.nan` (`PLW0177`) (#16378)
  [FURB156] Do not consider docstring(s) (#16391)
  Use `is_none_or` in `stdlib-module-shadowing` (#16402)
  [red-knot] Upgrade salsa to include `AtomicPtr` perf improvement (#16398)
  [red-knot] Fix file watching for new non-project files (#16395)
  document MSRV policy (#16384)
  [red-knot] fix non-callable reporting for unions (#16387)
  bump MSRV to 1.83 (#16294)
  Avoid unnecessary info at non-trace server log level (#16389)
  Expand `ruff.configuration` to allow inline config (#16296)
  Start detecting version-related syntax errors in the parser (#16090)

Cargo.toml

@@ -4,7 +4,7 @@ resolver = "2"
 
 [workspace.package]
 edition = "2021"
-rust-version = "1.80"
+rust-version = "1.83"
 homepage = "https://docs.astral.sh/ruff"
 documentation = "https://docs.astral.sh/ruff"
 repository = "https://github.com/astral-sh/ruff"
@@ -125,7 +125,7 @@ rayon = { version = "1.10.0" }
 regex = { version = "1.10.2" }
 rustc-hash = { version = "2.0.0" }
 # When updating salsa, make sure to also update the revision in `fuzz/Cargo.toml`
-salsa = { git = "https://github.com/salsa-rs/salsa.git", rev = "687251fb50b4893dc373a7e2609ceaefb8accbe7" }
+salsa = { git = "https://github.com/salsa-rs/salsa.git", rev = "99be5d9917c3dd88e19735a82ef6bf39ba84bd7e" }
 schemars = { version = "0.8.16" }
 seahash = { version = "4.1.0" }
 serde = { version = "1.0.197", features = ["derive"] }

crates/red_knot/tests/file_watching.rs

@@ -462,6 +462,41 @@ fn new_ignored_file() -> anyhow::Result<()> {
     Ok(())
 }
 
+#[test]
+fn new_non_project_file() -> anyhow::Result<()> {
+    let mut case = setup_with_options([("bar.py", "")], |context| {
+        Some(Options {
+            environment: Some(EnvironmentOptions {
+                extra_paths: Some(vec![RelativePathBuf::cli(
+                    context.join_root_path("site_packages"),
+                )]),
+                ..EnvironmentOptions::default()
+            }),
+            ..Options::default()
+        })
+    })?;
+
+    let bar_path = case.project_path("bar.py");
+    let bar_file = case.system_file(&bar_path).unwrap();
+
+    assert_eq!(&case.collect_project_files(), &[bar_file]);
+
+    // Add a file to site packages
+    let black_path = case.root_path().join("site_packages/black.py");
+    std::fs::write(black_path.as_std_path(), "print('Hello')")?;
+
+    let changes = case.stop_watch(event_for_file("black.py"));
+
+    case.apply_changes(changes);
+
+    assert!(case.system_file(&black_path).is_ok());
+
+    // The file should not have been added to the project files
+    assert_eq!(&case.collect_project_files(), &[bar_file]);
+
+    Ok(())
+}
+
 #[test]
 fn changed_file() -> anyhow::Result<()> {
     let foo_source = "print('Hello, world!')";
@@ -1075,6 +1110,7 @@ fn hard_links_in_project() -> anyhow::Result<()> {
 
     assert_eq!(source_text(case.db(), foo).as_str(), "print('Version 1')");
     assert_eq!(source_text(case.db(), bar).as_str(), "print('Version 1')");
+    assert_eq!(case.collect_project_files(), &[bar, foo]);
 
     // Write to the hard link target.
     update_file(foo_path, "print('Version 2')").context("Failed to update foo.py")?;
@@ -1354,6 +1390,8 @@ mod unix {
         );
         assert_eq!(baz.file().path(case.db()).as_system_path(), Some(&*bar_baz));
 
+        assert_eq!(case.collect_project_files(), &[patched_bar_baz_file]);
+
         // Write to the symlink target.
         update_file(&patched_bar_baz, "def baz(): print('Version 2')")
             .context("Failed to update bar/baz.py")?;
@@ -1389,6 +1427,7 @@ mod unix {
             bar_baz_text = bar_baz_text.as_str()
         );
 
+        assert_eq!(case.collect_project_files(), &[patched_bar_baz_file]);
         Ok(())
     }
 
@@ -1469,6 +1508,8 @@ mod unix {
             Some(&*baz_original)
         );
 
+        assert_eq!(case.collect_project_files(), &[]);
+
         // Write to the symlink target.
         update_file(&baz_original, "def baz(): print('Version 2')")
             .context("Failed to update bar/baz.py")?;
@@ -1494,6 +1535,8 @@ mod unix {
             "def baz(): print('Version 2')"
         );
 
+        assert_eq!(case.collect_project_files(), &[]);
+
         Ok(())
     }
 }

crates/red_knot_project/src/db/changes.rs

@@ -208,11 +208,12 @@ impl ProjectDatabase {
                         return WalkState::Continue;
                     }
 
-                    if entry
-                        .path()
-                        .extension()
-                        .and_then(PySourceType::try_from_extension)
-                        .is_some()
+                    if entry.path().starts_with(&project_path)
+                        && entry
+                            .path()
+                            .extension()
+                            .and_then(PySourceType::try_from_extension)
+                            .is_some()
                     {
                         let mut paths = added_paths.lock().unwrap();
 

crates/red_knot_project/src/metadata.rs

@@ -77,10 +77,10 @@ impl ProjectMetadata {
         // If the `options` don't specify a python version but the `project.requires-python` field is set,
         // use that as a lower bound instead.
         if let Some(project) = project {
-            if !options
+            if options
                 .environment
                 .as_ref()
-                .is_some_and(|env| env.python_version.is_some())
+                .is_none_or(|env| env.python_version.is_none())
             {
                 if let Some(requires_python) = project.resolve_requires_python_lower_bound()? {
                     let mut environment = options.environment.unwrap_or_default();

crates/red_knot_python_semantic/resources/mdtest/call/union.md

@@ -56,6 +56,7 @@ def _(flag: bool, flag2: bool):
     else:
         def f() -> int:
             return 1
+    # TODO we should mention all non-callable elements of the union
     # error: [call-non-callable] "Object of type `Literal[1]` is not callable"
     # revealed: int | Unknown
     reveal_type(f())
@@ -108,3 +109,38 @@ def _(flag: bool):
     x = f(3)
     reveal_type(x)  # revealed: Unknown
 ```
+
+## Union of binding errors
+
+```py
+def f1(): ...
+def f2(): ...
+def _(flag: bool):
+    if flag:
+        f = f1
+    else:
+        f = f2
+
+    # TODO: we should show all errors from the union, not arbitrarily pick one union element
+    # error: [too-many-positional-arguments] "Too many positional arguments to function `f1`: expected 0, got 1"
+    x = f(3)
+    reveal_type(x)  # revealed: Unknown
+```
+
+## One not-callable, one wrong argument
+
+```py
+class C: ...
+
+def f1(): ...
+def _(flag: bool):
+    if flag:
+        f = f1
+    else:
+        f = C()
+
+    # TODO: we should either show all union errors here, or prioritize the not-callable error
+    # error: [too-many-positional-arguments] "Too many positional arguments to function `f1`: expected 0, got 1"
+    x = f(3)
+    reveal_type(x)  # revealed: Unknown
+```