[ruff-0.7] Stabilise the expansion of open-file-with-context-handler to work with other standard-library IO modules (SIM115) (#13680)

Closes #7313.

crates/ruff_linter/src/rules/flake8_simplify/mod.rs

@@ -58,7 +58,6 @@ mod tests {
     }
 
     #[test_case(Rule::IfElseBlockInsteadOfIfExp, Path::new("SIM108.py"))]
-    #[test_case(Rule::OpenFileWithContextHandler, Path::new("SIM115.py"))]
     fn preview_rules(rule_code: Rule, path: &Path) -> Result<()> {
         let snapshot = format!(
             "preview__{}_{}",

crates/ruff_linter/src/rules/flake8_simplify/rules/open_file_with_context_handler.rs

@@ -14,13 +14,9 @@ use crate::checkers::ast::Checker;
 /// ## Why is this bad?
 /// If a file is opened without a context manager, it is not guaranteed that
 /// the file will be closed (e.g., if an exception is raised), which can cause
-/// resource leaks.
+/// resource leaks. The rule detects a wide array of IO calls where context managers
-///
+/// could be used, such as `open`, `pathlib.Path(...).open()`, `tempfile.TemporaryFile()`
-/// ## Preview-mode behavior
+/// or`tarfile.TarFile(...).gzopen()`.
-/// If [preview] mode is enabled, this rule will detect a wide array of IO calls where
-/// context managers could be used, such as `tempfile.TemporaryFile()` or
-/// `tarfile.TarFile(...).gzopen()`. If preview mode is not enabled, only `open()`,
-/// `builtins.open()` and `pathlib.Path(...).open()` are detected.
 ///
 /// ## Example
 /// ```python
@@ -118,36 +114,9 @@ fn match_exit_stack(semantic: &SemanticModel) -> bool {
     false
 }
 
-/// Return `true` if `func` is the builtin `open` or `pathlib.Path(...).open`.
+/// Return `true` if the expression is a call to `open()`,
-fn is_open(semantic: &SemanticModel, call: &ast::ExprCall) -> bool {
+/// or a call to some other standard-library function that opens a file.
-    // Ex) `open(...)`
+fn is_open_call(semantic: &SemanticModel, call: &ast::ExprCall) -> bool {
-    if semantic.match_builtin_expr(&call.func, "open") {
-        return true;
-    }
-
-    // Ex) `pathlib.Path(...).open()`
-    let Expr::Attribute(ast::ExprAttribute { attr, value, .. }) = &*call.func else {
-        return false;
-    };
-
-    if attr != "open" {
-        return false;
-    }
-
-    let Expr::Call(ast::ExprCall {
-        func: value_func, ..
-    }) = &**value
-    else {
-        return false;
-    };
-
-    semantic
-        .resolve_qualified_name(value_func)
-        .is_some_and(|qualified_name| matches!(qualified_name.segments(), ["pathlib", "Path"]))
-}
-
-/// Return `true` if the expression is an `open` call or temporary file constructor.
-fn is_open_preview(semantic: &SemanticModel, call: &ast::ExprCall) -> bool {
     let func = &*call.func;
 
     // Ex) `open(...)`
@@ -203,8 +172,8 @@ fn is_open_preview(semantic: &SemanticModel, call: &ast::ExprCall) -> bool {
     )
 }
 
-/// Return `true` if the current expression is followed by a `close` call.
+/// Return `true` if the current expression is immediately followed by a `.close()` call.
-fn is_closed(semantic: &SemanticModel) -> bool {
+fn is_immediately_closed(semantic: &SemanticModel) -> bool {
     let Some(expr) = semantic.current_expression_grandparent() else {
         return false;
     };
@@ -231,18 +200,12 @@ fn is_closed(semantic: &SemanticModel) -> bool {
 pub(crate) fn open_file_with_context_handler(checker: &mut Checker, call: &ast::ExprCall) {
     let semantic = checker.semantic();
 
-    if checker.settings.preview.is_disabled() {
+    if !is_open_call(semantic, call) {
-        if !is_open(semantic, call) {
         return;
     }
-    } else {
-        if !is_open_preview(semantic, call) {
-            return;
-        }
-    }
 
     // Ex) `open("foo.txt").close()`
-    if is_closed(semantic) {
+    if is_immediately_closed(semantic) {
         return;
     }
 

crates/ruff_linter/src/rules/flake8_simplify/snapshots/ruff_linter__rules__flake8_simplify__tests__SIM115_SIM115.py.snap

@@ -59,3 +59,276 @@ SIM115.py:39:9: SIM115 Use a context manager for opening files
 40 | 
 41 | # OK
    |
+
+SIM115.py:80:5: SIM115 Use a context manager for opening files
+   |
+78 | import fileinput
+79 | 
+80 | f = tempfile.NamedTemporaryFile()
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ SIM115
+81 | f = tempfile.TemporaryFile()
+82 | f = tempfile.SpooledTemporaryFile()
+   |
+
+SIM115.py:81:5: SIM115 Use a context manager for opening files
+   |
+80 | f = tempfile.NamedTemporaryFile()
+81 | f = tempfile.TemporaryFile()
+   |     ^^^^^^^^^^^^^^^^^^^^^^ SIM115
+82 | f = tempfile.SpooledTemporaryFile()
+83 | f = tarfile.open("foo.tar")
+   |
+
+SIM115.py:82:5: SIM115 Use a context manager for opening files
+   |
+80 | f = tempfile.NamedTemporaryFile()
+81 | f = tempfile.TemporaryFile()
+82 | f = tempfile.SpooledTemporaryFile()
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ SIM115
+83 | f = tarfile.open("foo.tar")
+84 | f = TarFile("foo.tar").open()
+   |
+
+SIM115.py:83:5: SIM115 Use a context manager for opening files
+   |
+81 | f = tempfile.TemporaryFile()
+82 | f = tempfile.SpooledTemporaryFile()
+83 | f = tarfile.open("foo.tar")
+   |     ^^^^^^^^^^^^ SIM115
+84 | f = TarFile("foo.tar").open()
+85 | f = tarfile.TarFile("foo.tar").open()
+   |
+
+SIM115.py:84:5: SIM115 Use a context manager for opening files
+   |
+82 | f = tempfile.SpooledTemporaryFile()
+83 | f = tarfile.open("foo.tar")
+84 | f = TarFile("foo.tar").open()
+   |     ^^^^^^^^^^^^^^^^^^^^^^^ SIM115
+85 | f = tarfile.TarFile("foo.tar").open()
+86 | f = tarfile.TarFile().open()
+   |
+
+SIM115.py:85:5: SIM115 Use a context manager for opening files
+   |
+83 | f = tarfile.open("foo.tar")
+84 | f = TarFile("foo.tar").open()
+85 | f = tarfile.TarFile("foo.tar").open()
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ SIM115
+86 | f = tarfile.TarFile().open()
+87 | f = zipfile.ZipFile("foo.zip").open("foo.txt")
+   |
+
+SIM115.py:86:5: SIM115 Use a context manager for opening files
+   |
+84 | f = TarFile("foo.tar").open()
+85 | f = tarfile.TarFile("foo.tar").open()
+86 | f = tarfile.TarFile().open()
+   |     ^^^^^^^^^^^^^^^^^^^^^^ SIM115
+87 | f = zipfile.ZipFile("foo.zip").open("foo.txt")
+88 | f = io.open("foo.txt")
+   |
+
+SIM115.py:87:5: SIM115 Use a context manager for opening files
+   |
+85 | f = tarfile.TarFile("foo.tar").open()
+86 | f = tarfile.TarFile().open()
+87 | f = zipfile.ZipFile("foo.zip").open("foo.txt")
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ SIM115
+88 | f = io.open("foo.txt")
+89 | f = io.open_code("foo.txt")
+   |
+
+SIM115.py:88:5: SIM115 Use a context manager for opening files
+   |
+86 | f = tarfile.TarFile().open()
+87 | f = zipfile.ZipFile("foo.zip").open("foo.txt")
+88 | f = io.open("foo.txt")
+   |     ^^^^^^^ SIM115
+89 | f = io.open_code("foo.txt")
+90 | f = codecs.open("foo.txt")
+   |
+
+SIM115.py:89:5: SIM115 Use a context manager for opening files
+   |
+87 | f = zipfile.ZipFile("foo.zip").open("foo.txt")
+88 | f = io.open("foo.txt")
+89 | f = io.open_code("foo.txt")
+   |     ^^^^^^^^^^^^ SIM115
+90 | f = codecs.open("foo.txt")
+91 | f = bz2.open("foo.txt")
+   |
+
+SIM115.py:90:5: SIM115 Use a context manager for opening files
+   |
+88 | f = io.open("foo.txt")
+89 | f = io.open_code("foo.txt")
+90 | f = codecs.open("foo.txt")
+   |     ^^^^^^^^^^^ SIM115
+91 | f = bz2.open("foo.txt")
+92 | f = gzip.open("foo.txt")
+   |
+
+SIM115.py:91:5: SIM115 Use a context manager for opening files
+   |
+89 | f = io.open_code("foo.txt")
+90 | f = codecs.open("foo.txt")
+91 | f = bz2.open("foo.txt")
+   |     ^^^^^^^^ SIM115
+92 | f = gzip.open("foo.txt")
+93 | f = dbm.open("foo.db")
+   |
+
+SIM115.py:92:5: SIM115 Use a context manager for opening files
+   |
+90 | f = codecs.open("foo.txt")
+91 | f = bz2.open("foo.txt")
+92 | f = gzip.open("foo.txt")
+   |     ^^^^^^^^^ SIM115
+93 | f = dbm.open("foo.db")
+94 | f = dbm.gnu.open("foo.db")
+   |
+
+SIM115.py:93:5: SIM115 Use a context manager for opening files
+   |
+91 | f = bz2.open("foo.txt")
+92 | f = gzip.open("foo.txt")
+93 | f = dbm.open("foo.db")
+   |     ^^^^^^^^ SIM115
+94 | f = dbm.gnu.open("foo.db")
+95 | f = dbm.ndbm.open("foo.db")
+   |
+
+SIM115.py:94:5: SIM115 Use a context manager for opening files
+   |
+92 | f = gzip.open("foo.txt")
+93 | f = dbm.open("foo.db")
+94 | f = dbm.gnu.open("foo.db")
+   |     ^^^^^^^^^^^^ SIM115
+95 | f = dbm.ndbm.open("foo.db")
+96 | f = dbm.dumb.open("foo.db")
+   |
+
+SIM115.py:95:5: SIM115 Use a context manager for opening files
+   |
+93 | f = dbm.open("foo.db")
+94 | f = dbm.gnu.open("foo.db")
+95 | f = dbm.ndbm.open("foo.db")
+   |     ^^^^^^^^^^^^^ SIM115
+96 | f = dbm.dumb.open("foo.db")
+97 | f = lzma.open("foo.xz")
+   |
+
+SIM115.py:96:5: SIM115 Use a context manager for opening files
+   |
+94 | f = dbm.gnu.open("foo.db")
+95 | f = dbm.ndbm.open("foo.db")
+96 | f = dbm.dumb.open("foo.db")
+   |     ^^^^^^^^^^^^^ SIM115
+97 | f = lzma.open("foo.xz")
+98 | f = lzma.LZMAFile("foo.xz")
+   |
+
+SIM115.py:97:5: SIM115 Use a context manager for opening files
+   |
+95 | f = dbm.ndbm.open("foo.db")
+96 | f = dbm.dumb.open("foo.db")
+97 | f = lzma.open("foo.xz")
+   |     ^^^^^^^^^ SIM115
+98 | f = lzma.LZMAFile("foo.xz")
+99 | f = shelve.open("foo.db")
+   |
+
+SIM115.py:98:5: SIM115 Use a context manager for opening files
+    |
+ 96 | f = dbm.dumb.open("foo.db")
+ 97 | f = lzma.open("foo.xz")
+ 98 | f = lzma.LZMAFile("foo.xz")
+    |     ^^^^^^^^^^^^^ SIM115
+ 99 | f = shelve.open("foo.db")
+100 | f = tokenize.open("foo.py")
+    |
+
+SIM115.py:99:5: SIM115 Use a context manager for opening files
+    |
+ 97 | f = lzma.open("foo.xz")
+ 98 | f = lzma.LZMAFile("foo.xz")
+ 99 | f = shelve.open("foo.db")
+    |     ^^^^^^^^^^^ SIM115
+100 | f = tokenize.open("foo.py")
+101 | f = wave.open("foo.wav")
+    |
+
+SIM115.py:100:5: SIM115 Use a context manager for opening files
+    |
+ 98 | f = lzma.LZMAFile("foo.xz")
+ 99 | f = shelve.open("foo.db")
+100 | f = tokenize.open("foo.py")
+    |     ^^^^^^^^^^^^^ SIM115
+101 | f = wave.open("foo.wav")
+102 | f = tarfile.TarFile.taropen("foo.tar")
+    |
+
+SIM115.py:101:5: SIM115 Use a context manager for opening files
+    |
+ 99 | f = shelve.open("foo.db")
+100 | f = tokenize.open("foo.py")
+101 | f = wave.open("foo.wav")
+    |     ^^^^^^^^^ SIM115
+102 | f = tarfile.TarFile.taropen("foo.tar")
+103 | f = fileinput.input("foo.txt")
+    |
+
+SIM115.py:102:5: SIM115 Use a context manager for opening files
+    |
+100 | f = tokenize.open("foo.py")
+101 | f = wave.open("foo.wav")
+102 | f = tarfile.TarFile.taropen("foo.tar")
+    |     ^^^^^^^^^^^^^^^^^^^^^^^ SIM115
+103 | f = fileinput.input("foo.txt")
+104 | f = fileinput.FileInput("foo.txt")
+    |
+
+SIM115.py:103:5: SIM115 Use a context manager for opening files
+    |
+101 | f = wave.open("foo.wav")
+102 | f = tarfile.TarFile.taropen("foo.tar")
+103 | f = fileinput.input("foo.txt")
+    |     ^^^^^^^^^^^^^^^ SIM115
+104 | f = fileinput.FileInput("foo.txt")
+    |
+
+SIM115.py:104:5: SIM115 Use a context manager for opening files
+    |
+102 | f = tarfile.TarFile.taropen("foo.tar")
+103 | f = fileinput.input("foo.txt")
+104 | f = fileinput.FileInput("foo.txt")
+    |     ^^^^^^^^^^^^^^^^^^^ SIM115
+105 | 
+106 | with contextlib.suppress(Exception):
+    |
+
+SIM115.py:240:9: SIM115 Use a context manager for opening files
+    |
+238 | def aliased():
+239 |     from shelve import open as open_shelf
+240 |     x = open_shelf("foo.dbm")
+    |         ^^^^^^^^^^ SIM115
+241 |     x.close()
+    |
+
+SIM115.py:244:9: SIM115 Use a context manager for opening files
+    |
+243 |     from tarfile import TarFile as TF
+244 |     f = TF("foo").open()
+    |         ^^^^^^^^^^^^^^ SIM115
+245 |     f.close()
+    |
+
+SIM115.py:257:5: SIM115 Use a context manager for opening files
+    |
+256 | # SIM115
+257 | f = dbm.sqlite3.open("foo.db")
+    |     ^^^^^^^^^^^^^^^^ SIM115
+258 | f.close()
+    |

crates/ruff_linter/src/rules/flake8_simplify/snapshots/ruff_linter__rules__flake8_simplify__tests__preview__SIM115_SIM115.py.snap

@@ -1,334 +0,0 @@
----
-source: crates/ruff_linter/src/rules/flake8_simplify/mod.rs
----
-SIM115.py:8:5: SIM115 Use a context manager for opening files
-   |
- 7 | # SIM115
- 8 | f = open("foo.txt")
-   |     ^^^^ SIM115
- 9 | f = Path("foo.txt").open()
-10 | f = pathlib.Path("foo.txt").open()
-   |
-
-SIM115.py:9:5: SIM115 Use a context manager for opening files
-   |
- 7 | # SIM115
- 8 | f = open("foo.txt")
- 9 | f = Path("foo.txt").open()
-   |     ^^^^^^^^^^^^^^^^^^^^ SIM115
-10 | f = pathlib.Path("foo.txt").open()
-11 | f = pl.Path("foo.txt").open()
-   |
-
-SIM115.py:10:5: SIM115 Use a context manager for opening files
-   |
- 8 | f = open("foo.txt")
- 9 | f = Path("foo.txt").open()
-10 | f = pathlib.Path("foo.txt").open()
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ SIM115
-11 | f = pl.Path("foo.txt").open()
-12 | f = P("foo.txt").open()
-   |
-
-SIM115.py:11:5: SIM115 Use a context manager for opening files
-   |
- 9 | f = Path("foo.txt").open()
-10 | f = pathlib.Path("foo.txt").open()
-11 | f = pl.Path("foo.txt").open()
-   |     ^^^^^^^^^^^^^^^^^^^^^^^ SIM115
-12 | f = P("foo.txt").open()
-13 | data = f.read()
-   |
-
-SIM115.py:12:5: SIM115 Use a context manager for opening files
-   |
-10 | f = pathlib.Path("foo.txt").open()
-11 | f = pl.Path("foo.txt").open()
-12 | f = P("foo.txt").open()
-   |     ^^^^^^^^^^^^^^^^^ SIM115
-13 | data = f.read()
-14 | f.close()
-   |
-
-SIM115.py:39:9: SIM115 Use a context manager for opening files
-   |
-37 | # SIM115
-38 | with contextlib.ExitStack():
-39 |     f = open("filename")
-   |         ^^^^ SIM115
-40 | 
-41 | # OK
-   |
-
-SIM115.py:80:5: SIM115 Use a context manager for opening files
-   |
-78 | import fileinput
-79 | 
-80 | f = tempfile.NamedTemporaryFile()
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ SIM115
-81 | f = tempfile.TemporaryFile()
-82 | f = tempfile.SpooledTemporaryFile()
-   |
-
-SIM115.py:81:5: SIM115 Use a context manager for opening files
-   |
-80 | f = tempfile.NamedTemporaryFile()
-81 | f = tempfile.TemporaryFile()
-   |     ^^^^^^^^^^^^^^^^^^^^^^ SIM115
-82 | f = tempfile.SpooledTemporaryFile()
-83 | f = tarfile.open("foo.tar")
-   |
-
-SIM115.py:82:5: SIM115 Use a context manager for opening files
-   |
-80 | f = tempfile.NamedTemporaryFile()
-81 | f = tempfile.TemporaryFile()
-82 | f = tempfile.SpooledTemporaryFile()
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ SIM115
-83 | f = tarfile.open("foo.tar")
-84 | f = TarFile("foo.tar").open()
-   |
-
-SIM115.py:83:5: SIM115 Use a context manager for opening files
-   |
-81 | f = tempfile.TemporaryFile()
-82 | f = tempfile.SpooledTemporaryFile()
-83 | f = tarfile.open("foo.tar")
-   |     ^^^^^^^^^^^^ SIM115
-84 | f = TarFile("foo.tar").open()
-85 | f = tarfile.TarFile("foo.tar").open()
-   |
-
-SIM115.py:84:5: SIM115 Use a context manager for opening files
-   |
-82 | f = tempfile.SpooledTemporaryFile()
-83 | f = tarfile.open("foo.tar")
-84 | f = TarFile("foo.tar").open()
-   |     ^^^^^^^^^^^^^^^^^^^^^^^ SIM115
-85 | f = tarfile.TarFile("foo.tar").open()
-86 | f = tarfile.TarFile().open()
-   |
-
-SIM115.py:85:5: SIM115 Use a context manager for opening files
-   |
-83 | f = tarfile.open("foo.tar")
-84 | f = TarFile("foo.tar").open()
-85 | f = tarfile.TarFile("foo.tar").open()
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ SIM115
-86 | f = tarfile.TarFile().open()
-87 | f = zipfile.ZipFile("foo.zip").open("foo.txt")
-   |
-
-SIM115.py:86:5: SIM115 Use a context manager for opening files
-   |
-84 | f = TarFile("foo.tar").open()
-85 | f = tarfile.TarFile("foo.tar").open()
-86 | f = tarfile.TarFile().open()
-   |     ^^^^^^^^^^^^^^^^^^^^^^ SIM115
-87 | f = zipfile.ZipFile("foo.zip").open("foo.txt")
-88 | f = io.open("foo.txt")
-   |
-
-SIM115.py:87:5: SIM115 Use a context manager for opening files
-   |
-85 | f = tarfile.TarFile("foo.tar").open()
-86 | f = tarfile.TarFile().open()
-87 | f = zipfile.ZipFile("foo.zip").open("foo.txt")
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ SIM115
-88 | f = io.open("foo.txt")
-89 | f = io.open_code("foo.txt")
-   |
-
-SIM115.py:88:5: SIM115 Use a context manager for opening files
-   |
-86 | f = tarfile.TarFile().open()
-87 | f = zipfile.ZipFile("foo.zip").open("foo.txt")
-88 | f = io.open("foo.txt")
-   |     ^^^^^^^ SIM115
-89 | f = io.open_code("foo.txt")
-90 | f = codecs.open("foo.txt")
-   |
-
-SIM115.py:89:5: SIM115 Use a context manager for opening files
-   |
-87 | f = zipfile.ZipFile("foo.zip").open("foo.txt")
-88 | f = io.open("foo.txt")
-89 | f = io.open_code("foo.txt")
-   |     ^^^^^^^^^^^^ SIM115
-90 | f = codecs.open("foo.txt")
-91 | f = bz2.open("foo.txt")
-   |
-
-SIM115.py:90:5: SIM115 Use a context manager for opening files
-   |
-88 | f = io.open("foo.txt")
-89 | f = io.open_code("foo.txt")
-90 | f = codecs.open("foo.txt")
-   |     ^^^^^^^^^^^ SIM115
-91 | f = bz2.open("foo.txt")
-92 | f = gzip.open("foo.txt")
-   |
-
-SIM115.py:91:5: SIM115 Use a context manager for opening files
-   |
-89 | f = io.open_code("foo.txt")
-90 | f = codecs.open("foo.txt")
-91 | f = bz2.open("foo.txt")
-   |     ^^^^^^^^ SIM115
-92 | f = gzip.open("foo.txt")
-93 | f = dbm.open("foo.db")
-   |
-
-SIM115.py:92:5: SIM115 Use a context manager for opening files
-   |
-90 | f = codecs.open("foo.txt")
-91 | f = bz2.open("foo.txt")
-92 | f = gzip.open("foo.txt")
-   |     ^^^^^^^^^ SIM115
-93 | f = dbm.open("foo.db")
-94 | f = dbm.gnu.open("foo.db")
-   |
-
-SIM115.py:93:5: SIM115 Use a context manager for opening files
-   |
-91 | f = bz2.open("foo.txt")
-92 | f = gzip.open("foo.txt")
-93 | f = dbm.open("foo.db")
-   |     ^^^^^^^^ SIM115
-94 | f = dbm.gnu.open("foo.db")
-95 | f = dbm.ndbm.open("foo.db")
-   |
-
-SIM115.py:94:5: SIM115 Use a context manager for opening files
-   |
-92 | f = gzip.open("foo.txt")
-93 | f = dbm.open("foo.db")
-94 | f = dbm.gnu.open("foo.db")
-   |     ^^^^^^^^^^^^ SIM115
-95 | f = dbm.ndbm.open("foo.db")
-96 | f = dbm.dumb.open("foo.db")
-   |
-
-SIM115.py:95:5: SIM115 Use a context manager for opening files
-   |
-93 | f = dbm.open("foo.db")
-94 | f = dbm.gnu.open("foo.db")
-95 | f = dbm.ndbm.open("foo.db")
-   |     ^^^^^^^^^^^^^ SIM115
-96 | f = dbm.dumb.open("foo.db")
-97 | f = lzma.open("foo.xz")
-   |
-
-SIM115.py:96:5: SIM115 Use a context manager for opening files
-   |
-94 | f = dbm.gnu.open("foo.db")
-95 | f = dbm.ndbm.open("foo.db")
-96 | f = dbm.dumb.open("foo.db")
-   |     ^^^^^^^^^^^^^ SIM115
-97 | f = lzma.open("foo.xz")
-98 | f = lzma.LZMAFile("foo.xz")
-   |
-
-SIM115.py:97:5: SIM115 Use a context manager for opening files
-   |
-95 | f = dbm.ndbm.open("foo.db")
-96 | f = dbm.dumb.open("foo.db")
-97 | f = lzma.open("foo.xz")
-   |     ^^^^^^^^^ SIM115
-98 | f = lzma.LZMAFile("foo.xz")
-99 | f = shelve.open("foo.db")
-   |
-
-SIM115.py:98:5: SIM115 Use a context manager for opening files
-    |
- 96 | f = dbm.dumb.open("foo.db")
- 97 | f = lzma.open("foo.xz")
- 98 | f = lzma.LZMAFile("foo.xz")
-    |     ^^^^^^^^^^^^^ SIM115
- 99 | f = shelve.open("foo.db")
-100 | f = tokenize.open("foo.py")
-    |
-
-SIM115.py:99:5: SIM115 Use a context manager for opening files
-    |
- 97 | f = lzma.open("foo.xz")
- 98 | f = lzma.LZMAFile("foo.xz")
- 99 | f = shelve.open("foo.db")
-    |     ^^^^^^^^^^^ SIM115
-100 | f = tokenize.open("foo.py")
-101 | f = wave.open("foo.wav")
-    |
-
-SIM115.py:100:5: SIM115 Use a context manager for opening files
-    |
- 98 | f = lzma.LZMAFile("foo.xz")
- 99 | f = shelve.open("foo.db")
-100 | f = tokenize.open("foo.py")
-    |     ^^^^^^^^^^^^^ SIM115
-101 | f = wave.open("foo.wav")
-102 | f = tarfile.TarFile.taropen("foo.tar")
-    |
-
-SIM115.py:101:5: SIM115 Use a context manager for opening files
-    |
- 99 | f = shelve.open("foo.db")
-100 | f = tokenize.open("foo.py")
-101 | f = wave.open("foo.wav")
-    |     ^^^^^^^^^ SIM115
-102 | f = tarfile.TarFile.taropen("foo.tar")
-103 | f = fileinput.input("foo.txt")
-    |
-
-SIM115.py:102:5: SIM115 Use a context manager for opening files
-    |
-100 | f = tokenize.open("foo.py")
-101 | f = wave.open("foo.wav")
-102 | f = tarfile.TarFile.taropen("foo.tar")
-    |     ^^^^^^^^^^^^^^^^^^^^^^^ SIM115
-103 | f = fileinput.input("foo.txt")
-104 | f = fileinput.FileInput("foo.txt")
-    |
-
-SIM115.py:103:5: SIM115 Use a context manager for opening files
-    |
-101 | f = wave.open("foo.wav")
-102 | f = tarfile.TarFile.taropen("foo.tar")
-103 | f = fileinput.input("foo.txt")
-    |     ^^^^^^^^^^^^^^^ SIM115
-104 | f = fileinput.FileInput("foo.txt")
-    |
-
-SIM115.py:104:5: SIM115 Use a context manager for opening files
-    |
-102 | f = tarfile.TarFile.taropen("foo.tar")
-103 | f = fileinput.input("foo.txt")
-104 | f = fileinput.FileInput("foo.txt")
-    |     ^^^^^^^^^^^^^^^^^^^ SIM115
-105 | 
-106 | with contextlib.suppress(Exception):
-    |
-
-SIM115.py:240:9: SIM115 Use a context manager for opening files
-    |
-238 | def aliased():
-239 |     from shelve import open as open_shelf
-240 |     x = open_shelf("foo.dbm")
-    |         ^^^^^^^^^^ SIM115
-241 |     x.close()
-    |
-
-SIM115.py:244:9: SIM115 Use a context manager for opening files
-    |
-243 |     from tarfile import TarFile as TF
-244 |     f = TF("foo").open()
-    |         ^^^^^^^^^^^^^^ SIM115
-245 |     f.close()
-    |
-
-SIM115.py:257:5: SIM115 Use a context manager for opening files
-    |
-256 | # SIM115
-257 | f = dbm.sqlite3.open("foo.db")
-    |     ^^^^^^^^^^^^^^^^ SIM115
-258 | f.close()
-    |