Bump version to 0.0.40

Create cache directory prior to writing .gitignore
Bump version to 0.0.39
2022-09-16 04:57:21 -04:00 · 2022-09-16 04:56:58 -04:00 · 2022-09-15 21:41:14 -04:00 · 2022-09-15 21:41:00 -04:00 · 2022-09-15 21:40:49 -04:00 · 2022-09-15 20:40:06 -04:00
75 changed files with 2656 additions and 1303 deletions
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,5 +1,5 @@
 repos:
  - repo: https://github.com/charliermarsh/ruff
-    rev: v0.0.37
+    rev: v0.0.40
    hooks:
      - id: lint
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -458,6 +458,19 @@ dependencies = [
 "cache-padded",
 ]

+[[package]]
+name = "console"
+version = "0.15.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "89eab4d20ce20cea182308bca13088fecea9c05f6776cf287205d41a0ed3c847"
+dependencies = [
+ "encode_unicode",
+ "libc",
+ "once_cell",
+ "terminal_size",
+ "winapi 0.3.9",
+]
+
 [[package]]
 name = "core-foundation"
 version = "0.9.3"
@@ -652,6 +665,12 @@ dependencies = [
 "log",
 ]

+[[package]]
+name = "encode_unicode"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a357d28ed41a50f9c765dbfe56cbc04a64e53e5fc58ba79fbc34c10ef3df831f"
+
 [[package]]
 name = "event-listener"
 version = "2.5.3"
@@ -1011,6 +1030,20 @@ dependencies = [
 "libc",
 ]

+[[package]]
+name = "insta"
+version = "1.19.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fc61e98be01e89296f3343a878e9f8ca75a494cb5aaf29df65ef55734aeb85f5"
+dependencies = [
+ "console",
+ "linked-hash-map",
+ "once_cell",
+ "serde",
+ "similar",
+ "yaml-rust",
+]
+
 [[package]]
 name = "instant"
 version = "0.1.12"
@@ -1122,6 +1155,12 @@ version = "0.2.127"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "505e71a4706fa491e9b1b55f51b95d4037d0821ee40131190475f692b35b009b"

+[[package]]
+name = "linked-hash-map"
+version = "0.5.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0717cef1bc8b636c6e1c1bbdefc09e6322da8a9321966e8928ef80d20f7f770f"
+
 [[package]]
 name = "lock_api"
 version = "0.4.7"
@@ -1393,6 +1432,24 @@ dependencies = [
 "windows-sys",
 ]

+[[package]]
+name = "path-absolutize"
+version = "3.0.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3de4b40bd9736640f14c438304c09538159802388febb02c8abaae0846c1f13"
+dependencies = [
+ "path-dedot",
+]
+
+[[package]]
+name = "path-dedot"
+version = "3.0.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d611d5291372b3738a34ebf0d1f849e58b1dcc1101032f76a346eaa1f8ddbb5b"
+dependencies = [
+ "once_cell",
+]
+
 [[package]]
 name = "percent-encoding"
 version = "2.1.0"
@@ -1744,7 +1801,7 @@ dependencies = [

 [[package]]
 name = "ruff"
-version = "0.0.37"
+version = "0.0.40"
 dependencies = [
 "anyhow",
 "bincode",
@@ -1758,11 +1815,12 @@ dependencies = [
 "fern",
 "filetime",
 "glob",
+ "insta",
 "itertools",
- "lazy_static",
 "log",
 "notify",
 "once_cell",
+ "path-absolutize",
 "rayon",
 "regex",
 "rustpython-parser",
@@ -1978,6 +2036,12 @@ dependencies = [
 "libc",
 ]

+[[package]]
+name = "similar"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "62ac7f900db32bf3fd12e0117dd3dc4da74bc52ebaac97f39668446d89694803"
+
 [[package]]
 name = "siphasher"
 version = "0.3.10"
@@ -2100,6 +2164,16 @@ dependencies = [
 "winapi-util",
 ]

+[[package]]
+name = "terminal_size"
+version = "0.1.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "633c1a546cee861a1a6d0dc69ebeca693bf4296661ba7852b9d21d159e0506df"
+dependencies = [
+ "libc",
+ "winapi 0.3.9",
+]
+
 [[package]]
 name = "terminfo"
 version = "0.7.3"
@@ -2595,3 +2669,12 @@ dependencies = [
 "winapi 0.2.8",
 "winapi-build",
 ]
+
+[[package]]
+name = "yaml-rust"
+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56c1936c4cc7a1c9ab21a1ebb602eb942ba868cbd44a99cb7cdc5892335e1c85"
+dependencies = [
+ "linked-hash-map",
+]
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ruff"
-version = "0.0.37"
+version = "0.0.40"
 edition = "2021"

 [lib]
@@ -18,12 +18,12 @@ common-path = { version = "1.0.0" }
 dirs = { version = "4.0.0" }
 fern = { version = "0.6.1" }
 filetime = { version = "0.2.17" }
-glob = { version = "0.3.0" }
+glob = "0.3.0"
 itertools = "0.10.3"
-lazy_static = "1.4.0"
 log = { version = "0.4.17" }
 notify = { version = "4.0.17" }
 once_cell = { version = "1.13.1" }
+path-absolutize = "3.0.13"
 rayon = { version = "1.5.3" }
 regex = { version = "1.6.0" }
 rustpython-parser = { features = ["lalrpop"], git = "https://github.com/charliermarsh/RustPython.git", rev = "7d21c6923a506e79cc041708d83cef925efd33f4" }
@@ -33,6 +33,9 @@ toml = { version = "0.5.9" }
 update-informer = { version = "0.5.0", default_features = false, features = ["pypi"], optional = true }
 walkdir = { version = "2.3.2" }

+[dev-dependencies]
+insta = { version = "1.19.1", features = ["yaml"] }
+
 [features]
 default = ["update-informer"]
 update-informer = ["dep:update-informer"]
@@ -42,3 +45,9 @@ panic = "abort"
 lto = "thin"
 codegen-units = 1
 opt-level = 3
+
+[profile.dev.package.insta]
+opt-level = 3
+
+[profile.dev.package.similar]
+opt-level = 3
--- a/README.md
+++ b/README.md
@@ -57,7 +57,7 @@ ruff also works with [Pre-Commit](https://pre-commit.com) (requires Cargo on sys
 ```yaml
 repos:
 - repo: https://github.com/charliermarsh/ruff
-  rev: v0.0.37
+  rev: v0.0.40
  hooks:
    - id: lint
 ```
@@ -86,7 +86,7 @@ ruff path/to/code/ --select F401 F403
 See `ruff --help` for more:

 ```shell
-ruff (v0.0.37)
+ruff (v0.0.40)
 An extremely fast Python linter.

 USAGE:
@@ -96,19 +96,42 @@ ARGS:
    <FILES>...

 OPTIONS:
-    -e, --exit-zero               Exit with status code "0", even upon detecting errors
-        --exclude <EXCLUDE>...    List of file and/or directory patterns to exclude from checks
-    -f, --fix                     Attempt to automatically fix lint errors
-    -h, --help                    Print help information
-        --ignore <IGNORE>...      List of error codes to ignore
-    -n, --no-cache                Disable cache reads
-    -q, --quiet                   Disable all logging (but still exit with status code "1" upon
-                                  detecting errors)
-        --select <SELECT>...      List of error codes to enable
-    -v, --verbose                 Enable verbose logging
-    -w, --watch                   Run in watch mode by re-running whenever files change
+    -e, --exit-zero
+            Exit with status code "0", even upon detecting errors
+        --exclude <EXCLUDE>...
+            List of paths, used to exclude files and/or directories from checks
+        --extend-exclude <EXTEND_EXCLUDE>...
+            Like --exclude, but adds additional files and directories on top of the excluded ones
+    -f, --fix
+            Attempt to automatically fix lint errors
+        --format <FORMAT>
+            Output serialization format for error messages [default: text] [possible values: text,
+            json]
+    -h, --help
+            Print help information
+        --ignore <IGNORE>...
+            List of error codes to ignore
+    -n, --no-cache
+            Disable cache reads
+    -q, --quiet
+            Disable all logging (but still exit with status code "1" upon detecting errors)
+        --select <SELECT>...
+            List of error codes to enable
+    -v, --verbose
+            Enable verbose logging
+    -w, --watch
+            Run in watch mode by re-running whenever files change
 ```

+Exclusions are based on globs, and can be either:
+
+- Single-path patterns, like `.mypy_cache` (to exclude any directory named `.mypy_cache` in the
+  tree), `foo.py` (to exclude any file named `foo.py`), or `foo_*.py` (to exclude any file matching
+  `foo_*.py` ).
+- Relative patterns, like `./directory/foo.py` (to exclude that specific file) or `./directory/*.py`
+  (to exclude any Python files in `./directory`). Note that these paths are relative to the
+  directory from which you execute `ruff`, and _not_ the directory of the `pyproject.toml`.
+
 ### Compatibility with Black

 ruff is intended to be compatible with [Black](https://github.com/psf/black), and should be
@@ -124,14 +147,14 @@ ruff's goal is to achieve feature-parity with Flake8 when used (1) without any p
 stylistic checks; limiting to Python 3 obviates the need for certain compatibility checks.)

 Under those conditions, Flake8 implements about 60 rules, give or take. At time of writing, ruff
-implements 38 rules. (Note that these 38 rules likely cover a disproportionate share of errors:
+implements 42 rules. (Note that these 42 rules likely cover a disproportionate share of errors:
 unused imports, undefined variables, etc.)

 The unimplemented rules are tracked in #170, and include:

 - 14 rules related to string `.format` calls.
- 1 rule related to parsing and syntax.
- 6 logical rules.
+- 4 logical rules.
+- 1 rule related to parsing.

 Beyond rule-set parity, ruff suffers from the following limitations vis-à-vis Flake8:

@@ -149,12 +172,14 @@ Beyond rule-set parity, ruff suffers from the following limitations vis-à-vis F
 | E712 | TrueFalseComparison | Comparison to `True` should be `cond is True` |
 | E713 | NotInTest | Test for membership should be `not in` |
 | E714 | NotIsTest | Test for object identity should be `is not` |
+| E721 | TypeComparison | do not compare types, use `isinstance()` |
 | E722 | DoNotUseBareExcept | Do not use bare `except` |
 | E731 | DoNotAssignLambda | Do not assign a lambda expression, use a def |
 | E741 | AmbiguousVariableName | ambiguous variable name '...' |
 | E742 | AmbiguousClassName | ambiguous class name '...' |
 | E743 | AmbiguousFunctionName | ambiguous function name '...' |
 | E902 | IOError | No such file or directory: `...` |
+| E999 | SyntaxError | SyntaxError: ... |
 | F401 | UnusedImport | `...` imported but unused |
 | F403 | ImportStarUsage | `from ... import *` used; unable to detect undefined names |
 | F404 | LateFutureImport | from __future__ imports must occur at the beginning of the file |
@@ -166,6 +191,8 @@ Beyond rule-set parity, ruff suffers from the following limitations vis-à-vis F
 | F621 | TooManyExpressionsInStarredAssignment | too many expressions in star-unpacking assignment |
 | F622 | TwoStarredExpressions | two starred expressions in assignment |
 | F631 | AssertTuple | Assert test is a non-empty tuple, which is always `True` |
+| F632 | IsLiteral | use ==/!= to compare constant literals |
+| F633 | InvalidPrintSyntax | use of >> is invalid with print function |
 | F634 | IfTuple | If test is a tuple, which is always `True` |
 | F701 | BreakOutsideLoop | `break` outside loop |
 | F702 | ContinueOutsideLoop | `continue` not properly in loop |
@@ -217,28 +244,28 @@ Add this `pyproject.toml` to the CPython directory:
 [tool.ruff]
 line-length = 88
 exclude = [
-    "Lib/lib2to3/tests/data/bom.py",
-    "Lib/lib2to3/tests/data/crlf.py",
-    "Lib/lib2to3/tests/data/different_encoding.py",
-    "Lib/lib2to3/tests/data/false_encoding.py",
-    "Lib/lib2to3/tests/data/py2_test_grammar.py",
-    "Lib/test/bad_coding2.py",
-    "Lib/test/badsyntax_3131.py",
-    "Lib/test/badsyntax_pep3120.py",
-    "Lib/test/encoded_modules/module_iso_8859_1.py",
-    "Lib/test/encoded_modules/module_koi8_r.py",
-    "Lib/test/test_fstring.py",
-    "Lib/test/test_grammar.py",
-    "Lib/test/test_importlib/test_util.py",
-    "Lib/test/test_named_expressions.py",
-    "Lib/test/test_patma.py",
-    "Lib/test/test_source_encoding.py",
-    "Tools/c-analyzer/c_parser/parser/_delim.py",
-    "Tools/i18n/pygettext.py",
-    "Tools/test2to3/maintest.py",
-    "Tools/test2to3/setup.py",
-    "Tools/test2to3/test/test_foo.py",
-    "Tools/test2to3/test2to3/hello.py",
+    "./resources/test/cpython/Lib/lib2to3/tests/data/bom.py",
+    "./resources/test/cpython/Lib/lib2to3/tests/data/crlf.py",
+    "./resources/test/cpython/Lib/lib2to3/tests/data/different_encoding.py",
+    "./resources/test/cpython/Lib/lib2to3/tests/data/false_encoding.py",
+    "./resources/test/cpython/Lib/lib2to3/tests/data/py2_test_grammar.py",
+    "./resources/test/cpython/Lib/test/bad_coding2.py",
+    "./resources/test/cpython/Lib/test/badsyntax_3131.py",
+    "./resources/test/cpython/Lib/test/badsyntax_pep3120.py",
+    "./resources/test/cpython/Lib/test/encoded_modules/module_iso_8859_1.py",
+    "./resources/test/cpython/Lib/test/encoded_modules/module_koi8_r.py",
+    "./resources/test/cpython/Lib/test/test_fstring.py",
+    "./resources/test/cpython/Lib/test/test_grammar.py",
+    "./resources/test/cpython/Lib/test/test_importlib/test_util.py",
+    "./resources/test/cpython/Lib/test/test_named_expressions.py",
+    "./resources/test/cpython/Lib/test/test_patma.py",
+    "./resources/test/cpython/Lib/test/test_source_encoding.py",
+    "./resources/test/cpython/Tools/c-analyzer/c_parser/parser/_delim.py",
+    "./resources/test/cpython/Tools/i18n/pygettext.py",
+    "./resources/test/cpython/Tools/test2to3/maintest.py",
+    "./resources/test/cpython/Tools/test2to3/setup.py",
+    "./resources/test/cpython/Tools/test2to3/test/test_foo.py",
+    "./resources/test/cpython/Tools/test2to3/test2to3/hello.py",
 ]
 ```

--- a/examples/generate_rules_table.rs
+++ b/examples/generate_rules_table.rs
@@ -13,13 +13,15 @@ fn main() {
        CheckKind::DoNotAssignLambda,
        CheckKind::DoNotUseBareExcept,
        CheckKind::DuplicateArgumentName,
-        CheckKind::ForwardAnnotationSyntaxError("...".to_string()),
        CheckKind::FStringMissingPlaceholders,
+        CheckKind::ForwardAnnotationSyntaxError("...".to_string()),
        CheckKind::FutureFeatureNotDefined("...".to_string()),
        CheckKind::IOError("...".to_string()),
        CheckKind::IfTuple,
        CheckKind::ImportStarNotPermitted("...".to_string()),
        CheckKind::ImportStarUsage("...".to_string()),
+        CheckKind::InvalidPrintSyntax,
+        CheckKind::IsLiteral,
        CheckKind::LateFutureImport,
        CheckKind::LineTooLong(89, 88),
        CheckKind::ModuleImportNotAtTopOfFile,
@@ -31,9 +33,11 @@ fn main() {
        CheckKind::NotIsTest,
        CheckKind::RaiseNotImplemented,
        CheckKind::ReturnOutsideFunction,
+        CheckKind::SyntaxError("...".to_string()),
        CheckKind::TooManyExpressionsInStarredAssignment,
        CheckKind::TrueFalseComparison(true, RejectedCmpop::Eq),
        CheckKind::TwoStarredExpressions,
+        CheckKind::TypeComparison,
        CheckKind::UndefinedExport("...".to_string()),
        CheckKind::UndefinedLocal("...".to_string()),
        CheckKind::UndefinedName("...".to_string()),
--- a/resources/test/fixtures/E711.py
+++ b/resources/test/fixtures/E711.py
@@ -1,11 +1,50 @@
-if var == None:
+#: E711
+if res == None:
+    pass
+#: E711
+if res != None:
+    pass
+#: E711
+if None == res:
+    pass
+#: E711
+if None != res:
+    pass
+#: E711
+if res[1] == None:
+    pass
+#: E711
+if res[1] != None:
+    pass
+#: E711
+if None != res[1]:
+    pass
+#: E711
+if None == res[1]:
    pass

-if None != var:
+#: Okay
+if x not in y:
    pass

-if var is None:
+if not (X in Y or X is Z):
    pass

-if None is not var:
+if not (X in Y):
    pass
+
+if x is not y:
+    pass
+
+if X is not Y is not Z:
+    pass
+
+if TrueElement.get_element(True) == TrueElement.get_element(False):
+    pass
+
+if (True) == TrueElement or x == TrueElement:
+    pass
+
+assert (not foo) in bar
+assert {"x": not foo} in bar
+assert [42, not foo] in bar
--- a/resources/test/fixtures/E712.py
+++ b/resources/test/fixtures/E712.py
@@ -1,14 +1,46 @@
-if var == True:
+#: E712
+if res == True:
+    pass
+#: E712
+if res != False:
+    pass
+#: E712
+if True != res:
+    pass
+#: E712
+if False == res:
+    pass
+#: E712
+if res[1] == True:
+    pass
+#: E712
+if res[1] != False:
+    pass
+#: E712
+var = 1 if cond == True else -1 if cond == False else cond
+#: E712
+if (True) == TrueElement or x == TrueElement:
    pass

-if False != var:
+#: Okay
+if x not in y:
    pass

-if var != False != True:
+if not (X in Y or X is Z):
    pass

-if var is True:
+if not (X in Y):
    pass

-if False is not var:
+if x is not y:
    pass
+
+if X is not Y is not Z:
+    pass
+
+if TrueElement.get_element(True) == TrueElement.get_element(False):
+    pass
+
+assert (not foo) in bar
+assert {"x": not foo} in bar
+assert [42, not foo] in bar
--- a/resources/test/fixtures/E713.py
+++ b/resources/test/fixtures/E713.py
@@ -1,7 +1,38 @@
-my_list = [1, 2, 3]
-if not num in my_list:
-    print(num)
+#: E713
+if not X in Y:
+    pass
+#: E713
+if not X.B in Y:
+    pass
+#: E713
+if not X in Y and Z == "zero":
+    pass
+#: E713
+if X == "zero" or not Y in Z:
+    pass
+#: E713
+if not (X in Y):
+    pass

-my_list = [1, 2, 3]
-if num not in my_list:
-    print(num)
+#: Okay
+if x not in y:
+    pass
+
+if not (X in Y or X is Z):
+    pass
+
+if x is not y:
+    pass
+
+if X is not Y is not Z:
+    pass
+
+if TrueElement.get_element(True) == TrueElement.get_element(False):
+    pass
+
+if (True) == TrueElement or x == TrueElement:
+    pass
+
+assert (not foo) in bar
+assert {"x": not foo} in bar
+assert [42, not foo] in bar
--- a/resources/test/fixtures/E714.py
+++ b/resources/test/fixtures/E714.py
@@ -1,5 +1,38 @@
-if not user is None:
-    print(user.name)
+#: E714
+if not X is Y:
+    pass
+#: E714
+if not X.B is Y:
+    pass
+#: E714
+if not X is Y is not Z:
+    pass

-if user is not None:
-    print(user.name)
+#: Okay
+if not X is not Y:
+    pass
+
+if x not in y:
+    pass
+
+if not (X in Y or X is Z):
+    pass
+
+if not (X in Y):
+    pass
+
+if x is not y:
+    pass
+
+if X is not Y is not Z:
+    pass
+
+if TrueElement.get_element(True) == TrueElement.get_element(False):
+    pass
+
+if (True) == TrueElement or x == TrueElement:
+    pass
+
+assert (not foo) in bar
+assert {"x": not foo} in bar
+assert [42, not foo] in bar
--- a/resources/test/fixtures/E721.py
+++ b/resources/test/fixtures/E721.py
@@ -0,0 +1,54 @@
+#: E721
+if type(res) == type(42):
+    pass
+#: E721
+if type(res) != type(""):
+    pass
+#: E721
+import types
+
+if res == types.IntType:
+    pass
+#: E721
+import types
+
+if type(res) is not types.ListType:
+    pass
+#: E721
+assert type(res) == type(False) or type(res) == type(None)
+#: E721
+assert type(res) == type([])
+#: E721
+assert type(res) == type(())
+#: E721
+assert type(res) == type((0,))
+#: E721
+assert type(res) == type((0))
+#: E721
+assert type(res) != type((1,))
+#: E721
+assert type(res) is type((1,))
+#: E721
+assert type(res) is not type((1,))
+#: E211 E721
+assert type(res) == type(
+    [
+        2,
+    ]
+)
+#: E201 E201 E202 E721
+assert type(res) == type(())
+#: E201 E202 E721
+assert type(res) == type((0,))
+
+#: Okay
+import types
+
+if isinstance(res, int):
+    pass
+if isinstance(res, str):
+    pass
+if isinstance(res, types.MethodType):
+    pass
+if type(a) != type(b) or type(a) == type(ccc):
+    pass
--- a/resources/test/fixtures/E722.py
+++ b/resources/test/fixtures/E722.py
@@ -1,9 +1,33 @@
+#: E722
 try:
    pass
 except:
    pass
-
+#: E722
 try:
    pass
 except Exception:
    pass
+except:
+    pass
+#: E722
+try:
+    pass
+except:
+    pass
+#: Okay
+fake_code = """"
+try:
+    do_something()
+except:
+    pass
+"""
+try:
+    pass
+except Exception:
+    pass
+#: Okay
+from . import compute_type
+
+if compute_type(foo) == 5:
+    pass
--- a/resources/test/fixtures/E731.py
+++ b/resources/test/fixtures/E731.py
@@ -1,6 +1,21 @@
-from typing import Callable, Iterable
+#: E731
+f = lambda x: 2 * x
+#: E731
+f = lambda x: 2 * x
+#: E731
+while False:
+    this = lambda y, z: 2 * x

-a = lambda x: x**2
-b = map(lambda x: 2 * x, range(3))
-c: Callable = lambda x: x**2
-d: Iterable = map(lambda x: 2 * x, range(3))
+
+f = object()
+#: E731
+f.method = lambda: "Method"
+
+f = {}
+#: E731
+f["a"] = lambda x: x ** 2
+
+f = []
+f.append(lambda x: x ** 2)
+
+lambda: "no-op"
--- a/resources/test/fixtures/E999.py
+++ b/resources/test/fixtures/E999.py
@@ -0,0 +1,2 @@
+def x():
+
--- a/resources/test/fixtures/F632.py
+++ b/resources/test/fixtures/F632.py
@@ -0,0 +1,5 @@
+if x is "abc":
+    pass
+
+if 123 is not y:
+    pass
--- a/resources/test/fixtures/F633.py
+++ b/resources/test/fixtures/F633.py
@@ -0,0 +1,4 @@
+from __future__ import print_function
+import sys
+
+print >> sys.stderr, "Hello"
--- a/resources/test/fixtures/F821.py
+++ b/resources/test/fixtures/F821.py
@@ -77,3 +77,8 @@ class Ticket:

    def set_status(self, status: Status):
        self.status = status
+
+
+def update_tomato():
+    print(TOMATO)
+    TOMATO = "cherry tomato"
--- a/resources/test/fixtures/init.py
+++ b/resources/test/fixtures/init.py
@@ -0,0 +1,3 @@
+print(__path__)
+
+__all__ = ["a", "b", "c"]
--- a/resources/test/fixtures/directory/also_excluded.py
+++ b/resources/test/fixtures/directory/also_excluded.py
@@ -0,0 +1,9 @@
+a = "abc"
+b = f"ghi{'jkl'}"
+
+c = f"def"
+d = f"def" + "ghi"
+e = (
+    f"def" +
+    "ghi"
+)
--- a/resources/test/fixtures/future_annotations.py
+++ b/resources/test/fixtures/future_annotations.py
@@ -0,0 +1,27 @@
+from __future__ import annotations
+
+from dataclasses import dataclass
+
+from models import Fruit, Nut
+
+
+@dataclass
+class Foo:
+    x: int
+    y: int
+
+    @classmethod
+    def a(cls) -> Foo:
+        return cls(x=0, y=0)
+
+    @classmethod
+    def b(cls) -> "Foo":
+        return cls(x=0, y=0)
+
+    @classmethod
+    def c(cls) -> Bar:
+        return cls(x=0, y=0)
+
+    @classmethod
+    def d(cls) -> Fruit:
+        return cls(x=0, y=0)
--- a/resources/test/fixtures/pyproject.toml
+++ b/resources/test/fixtures/pyproject.toml
@@ -1,6 +1,10 @@
 [tool.ruff]
 line-length = 88
-exclude = ["excluded.py", "**/migrations"]
+extend-exclude = [
+    "excluded.py",
+    "migrations",
+    "./resources/test/fixtures/directory/also_excluded.py",
+]
 select = [
    "E402",
    "E501",
@@ -8,12 +12,14 @@ select = [
    "E712",
    "E713",
    "E714",
+    "E721",
    "E722",
    "E731",
    "E741",
    "E742",
    "E743",
    "E902",
+    "E999",
    "F401",
    "F403",
    "F404",
@@ -25,6 +31,8 @@ select = [
    "F621",
    "F622",
    "F631",
+    "F632",
+    "F633",
    "F634",
    "F701",
    "F702",
--- a/src/ast/checks.rs
+++ b/src/ast/checks.rs
@@ -42,18 +42,20 @@ pub fn check_not_tests(

    if matches!(op, Unaryop::Not) {
        if let ExprKind::Compare { ops, .. } = &operand.node {
-            match ops[..] {
-                [Cmpop::In] => {
-                    if check_not_in {
-                        checks.push(Check::new(CheckKind::NotInTest, operand.location));
+            for op in ops {
+                match op {
+                    Cmpop::In => {
+                        if check_not_in {
+                            checks.push(Check::new(CheckKind::NotInTest, operand.location));
+                        }
                    }
-                }
-                [Cmpop::Is] => {
-                    if check_not_is {
-                        checks.push(Check::new(CheckKind::NotIsTest, operand.location));
+                    Cmpop::Is => {
+                        if check_not_is {
+                            checks.push(Check::new(CheckKind::NotIsTest, operand.location));
+                        }
                    }
+                    _ => {}
                }
-                _ => {}
            }
        }
    }
@@ -156,9 +158,7 @@ pub fn check_useless_object_inheritance(
                            CheckKind::UselessObjectInheritance(name.to_string()),
                            expr.location,
                        );
-                        if matches!(autofix, fixer::Mode::Generate)
-                            || matches!(autofix, fixer::Mode::Apply)
-                        {
+                        if matches!(autofix, fixer::Mode::Generate | fixer::Mode::Apply) {
                            if let Some(fix) = fixes::remove_class_def_base(
                                locator,
                                &stmt.location,
@@ -254,9 +254,7 @@ pub fn check_assert_equals(expr: &Expr, autofix: &fixer::Mode) -> Option<Check>
            if let ExprKind::Name { id, .. } = &value.node {
                if id == "self" {
                    let mut check = Check::new(CheckKind::NoAssertEquals, expr.location);
-                    if matches!(autofix, fixer::Mode::Generate)
-                        || matches!(autofix, fixer::Mode::Apply)
-                    {
+                    if matches!(autofix, fixer::Mode::Generate | fixer::Mode::Apply) {
                        check.amend(Fix {
                            content: "assertEqual".to_string(),
                            start: Location::new(expr.location.row(), expr.location.column() + 1),
@@ -315,7 +313,7 @@ pub fn check_repeated_keys(
                (Some(DictionaryKey::Variable(v1)), Some(DictionaryKey::Variable(v2))) => {
                    if check_repeated_variables && v1 == v2 {
                        checks.push(Check::new(
-                            CheckKind::MultiValueRepeatedKeyVariable(v2.to_string()),
+                            CheckKind::MultiValueRepeatedKeyVariable((*v2).to_string()),
                            k2.location,
                        ))
                    }
@@ -436,6 +434,90 @@ pub fn check_literal_comparisons(
    checks
 }

+fn is_constant(expr: &Expr) -> bool {
+    match &expr.node {
+        ExprKind::Constant { .. } => true,
+        ExprKind::Tuple { elts, .. } => elts.iter().all(is_constant),
+        _ => false,
+    }
+}
+
+fn is_singleton(expr: &Expr) -> bool {
+    matches!(
+        expr.node,
+        ExprKind::Constant {
+            value: Constant::None | Constant::Bool(_) | Constant::Ellipsis,
+            ..
+        }
+    )
+}
+
+fn is_constant_non_singleton(expr: &Expr) -> bool {
+    is_constant(expr) && !is_singleton(expr)
+}
+
+/// Check IsLiteral compliance.
+pub fn check_is_literal(
+    left: &Expr,
+    ops: &Vec<Cmpop>,
+    comparators: &Vec<Expr>,
+    location: Location,
+) -> Vec<Check> {
+    let mut checks: Vec<Check> = vec![];
+
+    let mut left = left;
+    for (op, right) in izip!(ops, comparators) {
+        if matches!(op, Cmpop::Is | Cmpop::IsNot)
+            && (is_constant_non_singleton(left) || is_constant_non_singleton(right))
+        {
+            checks.push(Check::new(CheckKind::IsLiteral, location));
+        }
+        left = right;
+    }
+
+    checks
+}
+
+/// Check TypeComparison compliance.
+pub fn check_type_comparison(
+    ops: &Vec<Cmpop>,
+    comparators: &Vec<Expr>,
+    location: Location,
+) -> Vec<Check> {
+    let mut checks: Vec<Check> = vec![];
+
+    for (op, right) in izip!(ops, comparators) {
+        if matches!(op, Cmpop::Is | Cmpop::IsNot | Cmpop::Eq | Cmpop::NotEq) {
+            match &right.node {
+                ExprKind::Call { func, args, .. } => {
+                    if let ExprKind::Name { id, .. } = &func.node {
+                        // Ex) type(False)
+                        if id == "type" {
+                            if let Some(arg) = args.first() {
+                                // Allow comparison for types which are not obvious.
+                                if !matches!(arg.node, ExprKind::Name { .. }) {
+                                    checks.push(Check::new(CheckKind::TypeComparison, location));
+                                }
+                            }
+                        }
+                    }
+                }
+                ExprKind::Attribute { value, .. } => {
+                    if let ExprKind::Name { id, .. } = &value.node {
+                        // Ex) types.IntType
+                        if id == "types" {
+                            checks.push(Check::new(CheckKind::TypeComparison, location));
+                        }
+                    }
+                }
+                _ => {}
+            }
+        }
+    }
+
+    checks
+}
+
 /// Check TwoStarredExpressions and TooManyExpressionsInStarredAssignment compliance.
 pub fn check_starred_expressions(
    elts: &[Expr],
--- a/src/ast/operations.rs
+++ b/src/ast/operations.rs
@@ -22,7 +22,7 @@ pub fn extract_all_names(stmt: &Stmt, scope: &Scope) -> Vec<String> {
    if let StmtKind::AugAssign { .. } = &stmt.node {
        if let Some(binding) = scope.values.get("__all__") {
            if let BindingKind::Export(existing) = &binding.kind {
-                names.extend(existing.clone());
+                names.extend_from_slice(existing);
            }
        }
    }
@@ -70,9 +70,7 @@ pub fn extract_all_names(stmt: &Stmt, scope: &Scope) -> Vec<String> {
 pub fn on_conditional_branch(parent_stack: &[usize], parents: &[&Stmt]) -> bool {
    for index in parent_stack.iter().rev() {
        let parent = parents[*index];
-        if matches!(parent.node, StmtKind::If { .. })
-            || matches!(parent.node, StmtKind::While { .. })
-        {
+        if matches!(parent.node, StmtKind::If { .. } | StmtKind::While { .. }) {
            return true;
        }
        if let StmtKind::Expr { value } = &parent.node {
@@ -89,10 +87,10 @@ pub fn on_conditional_branch(parent_stack: &[usize], parents: &[&Stmt]) -> bool
 pub fn in_nested_block(parent_stack: &[usize], parents: &[&Stmt]) -> bool {
    for index in parent_stack.iter().rev() {
        let parent = parents[*index];
-        if matches!(parent.node, StmtKind::Try { .. })
-            || matches!(parent.node, StmtKind::If { .. })
-            || matches!(parent.node, StmtKind::With { .. })
-        {
+        if matches!(
+            parent.node,
+            StmtKind::Try { .. } | StmtKind::If { .. } | StmtKind::With { .. }
+        ) {
            return true;
        }
    }
--- a/src/ast/types.rs
+++ b/src/ast/types.rs
@@ -53,5 +53,7 @@ pub enum BindingKind {
 pub struct Binding {
    pub kind: BindingKind,
    pub location: Location,
-    pub used: Option<usize>,
+    /// Tuple of (scope index, location) indicating the scope and location at which the binding was
+    /// last used.
+    pub used: Option<(usize, Location)>,
 }
--- a/src/cache.rs
+++ b/src/cache.rs
@@ -1,8 +1,10 @@
 use std::collections::hash_map::DefaultHasher;
-use std::fs::Metadata;
+use std::fs::{create_dir_all, File, Metadata};
 use std::hash::{Hash, Hasher};
+use std::io::Write;
 use std::path::Path;

+use anyhow::Result;
 use cacache::Error::EntryNotFound;
 use filetime::FileTime;
 use log::error;
@@ -83,6 +85,16 @@ fn cache_key(path: &Path, settings: &Settings, autofix: &fixer::Mode) -> String
    )
 }

+pub fn init() -> Result<()> {
+    let gitignore_path = Path::new(cache_dir()).join(".gitignore");
+    if gitignore_path.exists() {
+        return Ok(());
+    }
+    create_dir_all(cache_dir())?;
+    let mut file = File::create(gitignore_path)?;
+    file.write_all(b"*").map_err(|e| e.into())
+}
+
 pub fn get(
    path: &Path,
    metadata: &Metadata,
--- a/src/check_ast.rs
+++ b/src/check_ast.rs
@@ -3,7 +3,7 @@ use std::path::Path;

 use rustpython_parser::ast::{
    Arg, Arguments, Constant, Excepthandler, ExcepthandlerKind, Expr, ExprContext, ExprKind,
-    KeywordData, Location, Stmt, StmtKind, Suite,
+    KeywordData, Location, Operator, Stmt, StmtKind, Suite,
 };
 use rustpython_parser::parser;

@@ -26,7 +26,7 @@ struct Checker<'a> {
    locator: SourceCodeLocator<'a>,
    settings: &'a Settings,
    autofix: &'a fixer::Mode,
-    path: &'a str,
+    path: &'a Path,
    // Computed checks.
    checks: Vec<Check>,
    // Retain all scopes and parent nodes, along with a stack of indexes to track which are active
@@ -36,7 +36,8 @@ struct Checker<'a> {
    scopes: Vec<Scope>,
    scope_stack: Vec<usize>,
    dead_scopes: Vec<usize>,
-    deferred_annotations: Vec<(Location, &'a str)>,
+    deferred_string_annotations: Vec<(Location, &'a str)>,
+    deferred_annotations: Vec<(&'a Expr, Vec<usize>, Vec<usize>)>,
    deferred_functions: Vec<(&'a Stmt, Vec<usize>, Vec<usize>)>,
    deferred_lambdas: Vec<(&'a Expr, Vec<usize>, Vec<usize>)>,
    deferred_assignments: Vec<usize>,
@@ -47,13 +48,14 @@ struct Checker<'a> {
    seen_non_import: bool,
    seen_docstring: bool,
    futures_allowed: bool,
+    annotations_future_enabled: bool,
 }

 impl<'a> Checker<'a> {
    pub fn new(
        settings: &'a Settings,
        autofix: &'a fixer::Mode,
-        path: &'a str,
+        path: &'a Path,
        content: &'a str,
    ) -> Checker<'a> {
        Checker {
@@ -67,6 +69,7 @@ impl<'a> Checker<'a> {
            scopes: vec![],
            scope_stack: vec![],
            dead_scopes: vec![],
+            deferred_string_annotations: vec![],
            deferred_annotations: vec![],
            deferred_functions: vec![],
            deferred_lambdas: vec![],
@@ -77,6 +80,7 @@ impl<'a> Checker<'a> {
            seen_non_import: false,
            seen_docstring: false,
            futures_allowed: true,
+            annotations_future_enabled: false,
        }
    }
 }
@@ -180,7 +184,7 @@ where
                                name.to_string(),
                                Binding {
                                    kind: BindingKind::Assignment,
-                                    used: Some(global_scope_id),
+                                    used: Some((global_scope_id, stmt.location)),
                                    location: stmt.location,
                                },
                            );
@@ -412,17 +416,22 @@ where
                            name,
                            Binding {
                                kind: BindingKind::FutureImportation,
-                                used: Some(
+                                used: Some((
                                    self.scopes[*(self
                                        .scope_stack
                                        .last()
                                        .expect("No current scope found."))]
                                    .id,
-                                ),
+                                    stmt.location,
+                                )),
                                location: stmt.location,
                            },
                        );

+                        if alias.node.name == "annotations" {
+                            self.annotations_future_enabled = true;
+                        }
+
                        if self.settings.select.contains(&CheckCode::F407)
                            && !ALL_FEATURE_NAMES.contains(&alias.node.name.deref())
                        {
@@ -472,7 +481,7 @@ where
                        let binding = Binding {
                            kind: BindingKind::Importation(match module {
                                None => name.clone(),
-                                Some(parent) => format!("{}.{}", parent, name.clone()),
+                                Some(parent) => format!("{}.{}", parent, name),
                            }),
                            used: None,
                            location: stmt.location,
@@ -581,6 +590,17 @@ where
        let prev_in_literal = self.in_literal;
        let prev_in_annotation = self.in_annotation;

+        // Important:
+        if self.in_annotation && self.annotations_future_enabled {
+            self.deferred_annotations.push((
+                expr,
+                self.scope_stack.clone(),
+                self.parent_stack.clone(),
+            ));
+            visitor::walk_expr(self, expr);
+            return;
+        }
+
        // Pre-visit.
        match &expr.node {
            ExprKind::Subscript { value, .. } => {
@@ -645,8 +665,7 @@ where
                    .settings
                    .select
                    .contains(CheckKind::YieldOutsideFunction.code())
-                    && matches!(scope.kind, ScopeKind::Class)
-                    || matches!(scope.kind, ScopeKind::Module)
+                    && matches!(scope.kind, ScopeKind::Class | ScopeKind::Module)
                {
                    self.checks
                        .push(Check::new(CheckKind::YieldOutsideFunction, expr.location));
@@ -669,6 +688,28 @@ where
                }
                self.in_f_string = true;
            }
+            ExprKind::BinOp {
+                left,
+                op: Operator::RShift,
+                ..
+            } => {
+                if self.settings.select.contains(&CheckCode::F633) {
+                    if let ExprKind::Name { id, .. } = &left.node {
+                        if id == "print" {
+                            let scope = &self.scopes
+                                [*(self.scope_stack.last().expect("No current scope found."))];
+                            if let Some(Binding {
+                                kind: BindingKind::Builtin,
+                                ..
+                            }) = scope.values.get("print")
+                            {
+                                self.checks
+                                    .push(Check::new(CheckKind::InvalidPrintSyntax, left.location));
+                            }
+                        }
+                    }
+                }
+            }
            ExprKind::UnaryOp { op, operand } => {
                let check_not_in = self.settings.select.contains(&CheckCode::E713);
                let check_not_is = self.settings.select.contains(&CheckCode::E714);
@@ -697,12 +738,30 @@ where
                        check_true_false_comparisons,
                    ));
                }
+
+                if self.settings.select.contains(&CheckCode::F632) {
+                    self.checks.extend(checks::check_is_literal(
+                        left,
+                        ops,
+                        comparators,
+                        expr.location,
+                    ));
+                }
+
+                if self.settings.select.contains(&CheckCode::E721) {
+                    self.checks.extend(checks::check_type_comparison(
+                        ops,
+                        comparators,
+                        expr.location,
+                    ));
+                }
            }
            ExprKind::Constant {
                value: Constant::Str(value),
                ..
            } if self.in_annotation && !self.in_literal => {
-                self.deferred_annotations.push((expr.location, value));
+                self.deferred_string_annotations
+                    .push((expr.location, value));
            }
            ExprKind::GeneratorExp { .. }
            | ExprKind::ListComp { .. }
@@ -763,7 +822,7 @@ where
                } else if match_name_or_attr(func, "NamedTuple") {
                    self.visit_expr(func);

-                    // NamedTuple("a", [("a", int)])
+                    // Ex) NamedTuple("a", [("a", int)])
                    if args.len() > 1 {
                        match &args[1].node {
                            ExprKind::List { elts, .. } | ExprKind::Tuple { elts, .. } => {
@@ -787,7 +846,7 @@ where
                        }
                    }

-                    // NamedTuple("a", a=int)
+                    // Ex) NamedTuple("a", a=int)
                    for keyword in keywords {
                        let KeywordData { value, .. } = &keyword.node;
                        self.visit_annotation(value);
@@ -795,7 +854,7 @@ where
                } else if match_name_or_attr(func, "TypedDict") {
                    self.visit_expr(func);

-                    // TypedDict("a", {"a": int})
+                    // Ex) TypedDict("a", {"a": int})
                    if args.len() > 1 {
                        if let ExprKind::Dict { keys, values } = &args[1].node {
                            for key in keys {
@@ -809,7 +868,7 @@ where
                        }
                    }

-                    // TypedDict("a", a=int)
+                    // Ex) TypedDict("a", a=int)
                    for keyword in keywords {
                        let KeywordData { value, .. } = &keyword.node;
                        self.visit_annotation(value);
@@ -998,7 +1057,7 @@ impl<'a> Checker<'a> {

        for builtin in BUILTINS {
            scope.values.insert(
-                builtin.to_string(),
+                (*builtin).to_string(),
                Binding {
                    kind: BindingKind::Builtin,
                    location: Default::default(),
@@ -1008,7 +1067,7 @@ impl<'a> Checker<'a> {
        }
        for builtin in MAGIC_GLOBALS {
            scope.values.insert(
-                builtin.to_string(),
+                (*builtin).to_string(),
                Binding {
                    kind: BindingKind::Builtin,
                    location: Default::default(),
@@ -1050,7 +1109,7 @@ impl<'a> Checker<'a> {
                    }
                }
                if let Some(binding) = scope.values.get_mut(id) {
-                    binding.used = Some(scope_id);
+                    binding.used = Some((scope_id, expr.location));
                    return;
                }

@@ -1059,6 +1118,10 @@ impl<'a> Checker<'a> {
            }

            if self.settings.select.contains(&CheckCode::F821) {
+                // Allow __path__.
+                if self.path.ends_with("__init__.py") && id == "__path__" {
+                    return;
+                }
                self.checks.push(Check::new(
                    CheckKind::UndefinedName(id.clone()),
                    expr.location,
@@ -1077,20 +1140,15 @@ impl<'a> Checker<'a> {
                && !current.values.contains_key(id)
            {
                for scope in self.scopes.iter().rev().skip(1) {
-                    if matches!(scope.kind, ScopeKind::Function)
-                        || matches!(scope.kind, ScopeKind::Module)
-                    {
-                        let used = scope
-                            .values
-                            .get(id)
-                            .map(|binding| binding.used)
-                            .unwrap_or_default();
-                        if let Some(scope_id) = used {
-                            if scope_id == current.id {
-                                self.checks.push(Check::new(
-                                    CheckKind::UndefinedLocal(id.clone()),
-                                    expr.location,
-                                ));
+                    if matches!(scope.kind, ScopeKind::Function | ScopeKind::Module) {
+                        if let Some(binding) = scope.values.get(id) {
+                            if let Some((scope_id, location)) = binding.used {
+                                if scope_id == current.id {
+                                    self.checks.push(Check::new(
+                                        CheckKind::UndefinedLocal(id.clone()),
+                                        location,
+                                    ));
+                                }
                            }
                        }
                    }
@@ -1110,9 +1168,10 @@ impl<'a> Checker<'a> {
            }

            // TODO(charlie): Include comprehensions here.
-            if matches!(parent.node, StmtKind::For { .. })
-                || matches!(parent.node, StmtKind::AsyncFor { .. })
-                || operations::is_unpacking_assignment(parent)
+            if matches!(
+                parent.node,
+                StmtKind::For { .. } | StmtKind::AsyncFor { .. }
+            ) || operations::is_unpacking_assignment(parent)
            {
                self.add_binding(
                    id.to_string(),
@@ -1127,9 +1186,12 @@ impl<'a> Checker<'a> {

            if id == "__all__"
                && matches!(current.kind, ScopeKind::Module)
-                && (matches!(parent.node, StmtKind::Assign { .. })
-                    || matches!(parent.node, StmtKind::AugAssign { .. })
-                    || matches!(parent.node, StmtKind::AnnAssign { .. }))
+                && matches!(
+                    parent.node,
+                    StmtKind::Assign { .. }
+                        | StmtKind::AugAssign { .. }
+                        | StmtKind::AnnAssign { .. }
+                )
            {
                self.add_binding(
                    id.to_string(),
@@ -1172,13 +1234,20 @@ impl<'a> Checker<'a> {
        }
    }

-    fn check_deferred_annotations<'b>(&mut self, path: &str, allocator: &'b mut Vec<Expr>)
+    fn check_deferred_annotations(&mut self) {
+        while let Some((expr, scopes, parents)) = self.deferred_annotations.pop() {
+            self.parent_stack = parents;
+            self.scope_stack = scopes;
+            self.visit_expr(expr);
+        }
+    }
+
+    fn check_deferred_string_annotations<'b>(&mut self, allocator: &'b mut Vec<Expr>)
    where
        'b: 'a,
    {
-        while !self.deferred_annotations.is_empty() {
-            let (location, expression) = self.deferred_annotations.pop().unwrap();
-            if let Ok(mut expr) = parser::parse_expression(expression, path) {
+        while let Some((location, expression)) = self.deferred_string_annotations.pop() {
+            if let Ok(mut expr) = parser::parse_expression(expression, "<filename>") {
                relocate_expr(&mut expr, location);
                allocator.push(expr);
            } else if self.settings.select.contains(&CheckCode::F722) {
@@ -1194,9 +1263,7 @@ impl<'a> Checker<'a> {
    }

    fn check_deferred_functions(&mut self) {
-        while !self.deferred_functions.is_empty() {
-            let (stmt, scopes, parents) = self.deferred_functions.pop().unwrap();
-
+        while let Some((stmt, scopes, parents)) = self.deferred_functions.pop() {
            self.parent_stack = parents;
            self.scope_stack = scopes;
            self.push_scope(Scope::new(ScopeKind::Function));
@@ -1220,9 +1287,7 @@ impl<'a> Checker<'a> {
    }

    fn check_deferred_lambdas(&mut self) {
-        while !self.deferred_lambdas.is_empty() {
-            let (expr, scopes, parents) = self.deferred_lambdas.pop().unwrap();
-
+        while let Some((expr, scopes, parents)) = self.deferred_lambdas.pop() {
            self.parent_stack = parents;
            self.scope_stack = scopes;
            self.push_scope(Scope::new(ScopeKind::Function));
@@ -1240,8 +1305,7 @@ impl<'a> Checker<'a> {
    }

    fn check_deferred_assignments(&mut self) {
-        while !self.deferred_assignments.is_empty() {
-            let index = self.deferred_assignments.pop().unwrap();
+        while let Some(index) = self.deferred_assignments.pop() {
            if self.settings.select.contains(&CheckCode::F841) {
                self.checks
                    .extend(checks::check_unused_variables(&self.scopes[index]));
@@ -1256,7 +1320,7 @@ impl<'a> Checker<'a> {
            return;
        }

-        for index in self.dead_scopes.clone() {
+        for index in self.dead_scopes.iter().copied() {
            let scope = &self.scopes[index];

            let all_binding = scope.values.get("__all__");
@@ -1266,7 +1330,7 @@ impl<'a> Checker<'a> {
            });

            if self.settings.select.contains(&CheckCode::F822)
-                && !Path::new(self.path).ends_with("__init__.py")
+                && !self.path.ends_with("__init__.py")
            {
                if let Some(binding) = all_binding {
                    if let Some(names) = all_names {
@@ -1312,7 +1376,7 @@ pub fn check_ast(
    content: &str,
    settings: &Settings,
    autofix: &fixer::Mode,
-    path: &str,
+    path: &Path,
 ) -> Vec<Check> {
    let mut checker = Checker::new(settings, autofix, path, content);
    checker.push_scope(Scope::new(ScopeKind::Module));
@@ -1327,8 +1391,9 @@ pub fn check_ast(
    checker.check_deferred_functions();
    checker.check_deferred_lambdas();
    checker.check_deferred_assignments();
+    checker.check_deferred_annotations();
    let mut allocator = vec![];
-    checker.check_deferred_annotations(path, &mut allocator);
+    checker.check_deferred_string_annotations(&mut allocator);

    // Reset the scope to module-level, and check all consumed scopes.
    checker.scope_stack = vec![GLOBAL_SCOPE_INDEX];
--- a/src/checks.rs
+++ b/src/checks.rs
@@ -14,12 +14,14 @@ pub enum CheckCode {
    E712,
    E713,
    E714,
+    E721,
    E722,
    E731,
    E741,
    E742,
    E743,
    E902,
+    E999,
    F401,
    F403,
    F404,
@@ -31,6 +33,8 @@ pub enum CheckCode {
    F621,
    F622,
    F631,
+    F632,
+    F633,
    F634,
    F701,
    F702,
@@ -58,13 +62,15 @@ impl FromStr for CheckCode {
            "E711" => Ok(CheckCode::E711),
            "E712" => Ok(CheckCode::E712),
            "E713" => Ok(CheckCode::E713),
-            "E722" => Ok(CheckCode::E722),
            "E714" => Ok(CheckCode::E714),
+            "E721" => Ok(CheckCode::E721),
+            "E722" => Ok(CheckCode::E722),
            "E731" => Ok(CheckCode::E731),
            "E741" => Ok(CheckCode::E741),
            "E742" => Ok(CheckCode::E742),
            "E743" => Ok(CheckCode::E743),
            "E902" => Ok(CheckCode::E902),
+            "E999" => Ok(CheckCode::E999),
            "F401" => Ok(CheckCode::F401),
            "F403" => Ok(CheckCode::F403),
            "F404" => Ok(CheckCode::F404),
@@ -76,12 +82,15 @@ impl FromStr for CheckCode {
            "F621" => Ok(CheckCode::F621),
            "F622" => Ok(CheckCode::F622),
            "F631" => Ok(CheckCode::F631),
+            "F632" => Ok(CheckCode::F632),
+            "F633" => Ok(CheckCode::F633),
            "F634" => Ok(CheckCode::F634),
            "F701" => Ok(CheckCode::F701),
            "F702" => Ok(CheckCode::F702),
            "F704" => Ok(CheckCode::F704),
            "F706" => Ok(CheckCode::F706),
            "F707" => Ok(CheckCode::F707),
+            "F722" => Ok(CheckCode::F722),
            "F821" => Ok(CheckCode::F821),
            "F822" => Ok(CheckCode::F822),
            "F823" => Ok(CheckCode::F823),
@@ -104,12 +113,14 @@ impl CheckCode {
            CheckCode::E712 => "E712",
            CheckCode::E713 => "E713",
            CheckCode::E714 => "E714",
+            CheckCode::E721 => "E721",
            CheckCode::E722 => "E722",
            CheckCode::E731 => "E731",
            CheckCode::E741 => "E741",
            CheckCode::E742 => "E742",
            CheckCode::E743 => "E743",
            CheckCode::E902 => "E902",
+            CheckCode::E999 => "E999",
            CheckCode::F401 => "F401",
            CheckCode::F403 => "F403",
            CheckCode::F404 => "F404",
@@ -121,6 +132,8 @@ impl CheckCode {
            CheckCode::F621 => "F621",
            CheckCode::F622 => "F622",
            CheckCode::F631 => "F631",
+            CheckCode::F632 => "F632",
+            CheckCode::F633 => "F633",
            CheckCode::F634 => "F634",
            CheckCode::F701 => "F701",
            CheckCode::F702 => "F702",
@@ -143,7 +156,7 @@ impl CheckCode {
    pub fn lint_source(&self) -> &'static LintSource {
        match self {
            CheckCode::E501 => &LintSource::Lines,
-            CheckCode::E902 => &LintSource::FileSystem,
+            CheckCode::E902 | CheckCode::E999 => &LintSource::FileSystem,
            _ => &LintSource::AST,
        }
    }
@@ -181,6 +194,8 @@ pub enum CheckKind {
    IfTuple,
    ImportStarNotPermitted(String),
    ImportStarUsage(String),
+    InvalidPrintSyntax,
+    IsLiteral,
    LateFutureImport,
    LineTooLong(usize, usize),
    ModuleImportNotAtTopOfFile,
@@ -192,9 +207,11 @@ pub enum CheckKind {
    NotIsTest,
    RaiseNotImplemented,
    ReturnOutsideFunction,
+    SyntaxError(String),
    TooManyExpressionsInStarredAssignment,
    TrueFalseComparison(bool, RejectedCmpop),
    TwoStarredExpressions,
+    TypeComparison,
    UndefinedExport(String),
    UndefinedLocal(String),
    UndefinedName(String),
@@ -218,13 +235,15 @@ impl CheckKind {
            CheckKind::DoNotAssignLambda => "DoNotAssignLambda",
            CheckKind::DoNotUseBareExcept => "DoNotUseBareExcept",
            CheckKind::DuplicateArgumentName => "DuplicateArgumentName",
-            CheckKind::ForwardAnnotationSyntaxError(_) => "ForwardAnnotationSyntaxError",
            CheckKind::FStringMissingPlaceholders => "FStringMissingPlaceholders",
+            CheckKind::ForwardAnnotationSyntaxError(_) => "ForwardAnnotationSyntaxError",
            CheckKind::FutureFeatureNotDefined(_) => "FutureFeatureNotDefined",
            CheckKind::IOError(_) => "IOError",
            CheckKind::IfTuple => "IfTuple",
            CheckKind::ImportStarNotPermitted(_) => "ImportStarNotPermitted",
            CheckKind::ImportStarUsage(_) => "ImportStarUsage",
+            CheckKind::InvalidPrintSyntax => "InvalidPrintSyntax",
+            CheckKind::IsLiteral => "IsLiteral",
            CheckKind::LateFutureImport => "LateFutureImport",
            CheckKind::LineTooLong(_, _) => "LineTooLong",
            CheckKind::ModuleImportNotAtTopOfFile => "ModuleImportNotAtTopOfFile",
@@ -236,11 +255,13 @@ impl CheckKind {
            CheckKind::NotIsTest => "NotIsTest",
            CheckKind::RaiseNotImplemented => "RaiseNotImplemented",
            CheckKind::ReturnOutsideFunction => "ReturnOutsideFunction",
+            CheckKind::SyntaxError(_) => "SyntaxError",
            CheckKind::TooManyExpressionsInStarredAssignment => {
                "TooManyExpressionsInStarredAssignment"
            }
            CheckKind::TrueFalseComparison(_, _) => "TrueFalseComparison",
            CheckKind::TwoStarredExpressions => "TwoStarredExpressions",
+            CheckKind::TypeComparison => "TypeComparison",
            CheckKind::UndefinedExport(_) => "UndefinedExport",
            CheckKind::UndefinedLocal(_) => "UndefinedLocal",
            CheckKind::UndefinedName(_) => "UndefinedName",
@@ -264,13 +285,15 @@ impl CheckKind {
            CheckKind::DoNotAssignLambda => &CheckCode::E731,
            CheckKind::DoNotUseBareExcept => &CheckCode::E722,
            CheckKind::DuplicateArgumentName => &CheckCode::F831,
-            CheckKind::ForwardAnnotationSyntaxError(_) => &CheckCode::F722,
            CheckKind::FStringMissingPlaceholders => &CheckCode::F541,
+            CheckKind::ForwardAnnotationSyntaxError(_) => &CheckCode::F722,
            CheckKind::FutureFeatureNotDefined(_) => &CheckCode::F407,
            CheckKind::IOError(_) => &CheckCode::E902,
            CheckKind::IfTuple => &CheckCode::F634,
            CheckKind::ImportStarNotPermitted(_) => &CheckCode::F406,
            CheckKind::ImportStarUsage(_) => &CheckCode::F403,
+            CheckKind::InvalidPrintSyntax => &CheckCode::F633,
+            CheckKind::IsLiteral => &CheckCode::F632,
            CheckKind::LateFutureImport => &CheckCode::F404,
            CheckKind::LineTooLong(_, _) => &CheckCode::E501,
            CheckKind::ModuleImportNotAtTopOfFile => &CheckCode::E402,
@@ -282,9 +305,11 @@ impl CheckKind {
            CheckKind::NotIsTest => &CheckCode::E714,
            CheckKind::RaiseNotImplemented => &CheckCode::F901,
            CheckKind::ReturnOutsideFunction => &CheckCode::F706,
+            CheckKind::SyntaxError(_) => &CheckCode::E999,
            CheckKind::TooManyExpressionsInStarredAssignment => &CheckCode::F621,
            CheckKind::TrueFalseComparison(_, _) => &CheckCode::E712,
            CheckKind::TwoStarredExpressions => &CheckCode::F622,
+            CheckKind::TypeComparison => &CheckCode::E721,
            CheckKind::UndefinedExport(_) => &CheckCode::F822,
            CheckKind::UndefinedLocal(_) => &CheckCode::F823,
            CheckKind::UndefinedName(_) => &CheckCode::F821,
@@ -335,12 +360,14 @@ impl CheckKind {
                format!("No such file or directory: `{name}`")
            }
            CheckKind::IfTuple => "If test is a tuple, which is always `True`".to_string(),
+            CheckKind::InvalidPrintSyntax => "use of >> is invalid with print function".to_string(),
            CheckKind::ImportStarNotPermitted(name) => {
                format!("`from {name} import *` only allowed at module level")
            }
            CheckKind::ImportStarUsage(name) => {
                format!("`from {name} import *` used; unable to detect undefined names")
            }
+            CheckKind::IsLiteral => "use ==/!= to compare constant literals".to_string(),
            CheckKind::LateFutureImport => {
                "from __future__ imports must occur at the beginning of the file".to_string()
            }
@@ -373,6 +400,7 @@ impl CheckKind {
            CheckKind::ReturnOutsideFunction => {
                "a `return` statement outside of a function/method".to_string()
            }
+            CheckKind::SyntaxError(message) => format!("SyntaxError: {message}"),
            CheckKind::TooManyExpressionsInStarredAssignment => {
                "too many expressions in star-unpacking assignment".to_string()
            }
@@ -395,6 +423,7 @@ impl CheckKind {
                },
            },
            CheckKind::TwoStarredExpressions => "two starred expressions in assignment".to_string(),
+            CheckKind::TypeComparison => "do not compare types, use `isinstance()`".to_string(),
            CheckKind::UndefinedExport(name) => {
                format!("Undefined name `{name}` in `__all__`")
            }
--- a/src/fs.rs
+++ b/src/fs.rs
@@ -1,37 +1,86 @@
+use std::env;
 use std::fs::File;
 use std::io::{BufReader, Read};
 use std::path::{Path, PathBuf};

 use anyhow::Result;
 use glob::Pattern;
+use log::debug;
+use path_absolutize::Absolutize;
 use walkdir::{DirEntry, WalkDir};

-fn is_not_hidden(entry: &DirEntry) -> bool {
-    entry
-        .file_name()
-        .to_str()
-        .map(|s| (entry.depth() == 0 || !s.starts_with('.')))
-        .unwrap_or(false)
+fn is_excluded(path: &Path, exclude: &[Pattern]) -> bool {
+    // Check the basename.
+    if let Some(file_name) = path.file_name() {
+        if let Some(file_name) = file_name.to_str() {
+            for pattern in exclude {
+                if pattern.matches(file_name) {
+                    return true;
+                }
+            }
+        }
+    }
+
+    // Check the complete path.
+    if let Some(file_name) = path.to_str() {
+        for pattern in exclude {
+            if pattern.matches(file_name) {
+                return true;
+            }
+        }
+    }
+
+    false
 }

-fn is_not_excluded(entry: &DirEntry, exclude: &[Pattern]) -> bool {
-    entry
-        .path()
-        .to_str()
-        .map(|s| !exclude.iter().any(|pattern| pattern.matches(s)))
-        .unwrap_or(false)
+fn is_included(path: &Path) -> bool {
+    let file_name = path.to_string_lossy();
+    file_name.ends_with(".py") || file_name.ends_with(".pyi")
 }

 pub fn iter_python_files<'a>(
    path: &'a PathBuf,
    exclude: &'a [Pattern],
+    extend_exclude: &'a [Pattern],
 ) -> impl Iterator<Item = DirEntry> + 'a {
-    WalkDir::new(path)
+    WalkDir::new(normalize_path(path))
        .follow_links(true)
        .into_iter()
-        .filter_entry(|entry| is_not_hidden(entry) && is_not_excluded(entry, exclude))
+        .filter_entry(|entry| {
+            if exclude.is_empty() && extend_exclude.is_empty() {
+                return true;
+            }
+
+            let path = entry.path();
+            if is_excluded(path, exclude) {
+                debug!("Ignored path via `exclude`: {:?}", path);
+                false
+            } else if is_excluded(path, extend_exclude) {
+                debug!("Ignored path via `extend-exclude`: {:?}", path);
+                false
+            } else {
+                true
+            }
+        })
        .filter_map(|entry| entry.ok())
-        .filter(|entry| entry.path().to_string_lossy().ends_with(".py"))
+        .filter(|entry| {
+            let path = entry.path();
+            is_included(path)
+        })
+}
+
+pub fn normalize_path(path: &PathBuf) -> PathBuf {
+    if path == Path::new(".") || path == Path::new("..") {
+        return path.clone();
+    }
+    if let Ok(path) = path.absolutize() {
+        if let Ok(root) = env::current_dir() {
+            if let Ok(path) = path.strip_prefix(root) {
+                return Path::new(".").join(path);
+            }
+        }
+    }
+    path.clone()
 }

 pub fn read_file(path: &Path) -> Result<String> {
@@ -41,3 +90,58 @@ pub fn read_file(path: &Path) -> Result<String> {
    buf_reader.read_to_string(&mut contents)?;
    Ok(contents)
 }
+
+#[cfg(test)]
+mod tests {
+    use std::path::Path;
+
+    use glob::Pattern;
+
+    use crate::fs::{is_excluded, is_included};
+
+    #[test]
+    fn inclusions() {
+        let path = Path::new("foo/bar/baz.py");
+        assert!(is_included(path));
+
+        let path = Path::new("foo/bar/baz.pyi");
+        assert!(is_included(path));
+
+        let path = Path::new("foo/bar/baz.js");
+        assert!(!is_included(path));
+
+        let path = Path::new("foo/bar/baz");
+        assert!(!is_included(path));
+    }
+
+    #[test]
+    fn exclusions() {
+        let path = Path::new("foo");
+        let exclude = vec![Pattern::new("foo").unwrap()];
+        assert!(is_excluded(path, &exclude));
+
+        let path = Path::new("foo/bar");
+        let exclude = vec![Pattern::new("bar").unwrap()];
+        assert!(is_excluded(path, &exclude));
+
+        let path = Path::new("foo/bar/baz.py");
+        let exclude = vec![Pattern::new("baz.py").unwrap()];
+        assert!(is_excluded(path, &exclude));
+
+        let path = Path::new("foo/bar");
+        let exclude = vec![Pattern::new("foo/bar").unwrap()];
+        assert!(is_excluded(path, &exclude));
+
+        let path = Path::new("foo/bar/baz.py");
+        let exclude = vec![Pattern::new("foo/bar/baz.py").unwrap()];
+        assert!(is_excluded(path, &exclude));
+
+        let path = Path::new("foo/bar/baz.py");
+        let exclude = vec![Pattern::new("foo/bar/*.py").unwrap()];
+        assert!(is_excluded(path, &exclude));
+
+        let path = Path::new("foo/bar/baz.py");
+        let exclude = vec![Pattern::new("baz").unwrap()];
+        assert!(!is_excluded(path, &exclude));
+    }
+}
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -2,7 +2,7 @@ extern crate core;

 mod ast;
 mod autofix;
-mod cache;
+pub mod cache;
 pub mod check_ast;
 mod check_lines;
 pub mod checks;
@@ -10,6 +10,7 @@ pub mod fs;
 pub mod linter;
 pub mod logging;
 pub mod message;
+pub mod printer;
 mod pyproject;
 mod python;
 pub mod settings;
--- a/src/linter.rs
+++ b/src/linter.rs
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,4 +1,4 @@
-use std::path::{Path, PathBuf};
+use std::path::PathBuf;
 use std::process::ExitCode;
 use std::sync::mpsc::channel;
 use std::time::Instant;
@@ -12,12 +12,14 @@ use notify::{raw_watcher, RecursiveMode, Watcher};
 use rayon::prelude::*;
 use walkdir::DirEntry;

+use ::ruff::cache;
 use ::ruff::checks::CheckCode;
 use ::ruff::checks::CheckKind;
 use ::ruff::fs::iter_python_files;
 use ::ruff::linter::lint_path;
 use ::ruff::logging::set_up_logging;
 use ::ruff::message::Message;
+use ::ruff::printer::{Printer, SerializationFormat};
 use ::ruff::settings::Settings;
 use ::ruff::tell_user;

@@ -54,9 +56,15 @@ struct Cli {
    /// List of error codes to ignore.
    #[clap(long, multiple = true)]
    ignore: Vec<CheckCode>,
-    /// List of file and/or directory patterns to exclude from checks.
+    /// List of paths, used to exclude files and/or directories from checks.
    #[clap(long, multiple = true)]
    exclude: Vec<Pattern>,
+    /// Like --exclude, but adds additional files and directories on top of the excluded ones.
+    #[clap(long, multiple = true)]
+    extend_exclude: Vec<Pattern>,
+    /// Output serialization format for error messages.
+    #[clap(long, arg_enum, default_value_t=SerializationFormat::Text)]
+    format: SerializationFormat,
 }

 #[cfg(feature = "update-informer")]
@@ -93,7 +101,7 @@ fn run_once(
    let start = Instant::now();
    let paths: Vec<DirEntry> = files
        .iter()
-        .flat_map(|path| iter_python_files(path, &settings.exclude))
+        .flat_map(|path| iter_python_files(path, &settings.exclude, &settings.extend_exclude))
        .collect();
    let duration = start.elapsed();
    debug!("Identified files to lint in: {:?}", duration);
@@ -103,8 +111,17 @@ fn run_once(
        .par_iter()
        .map(|entry| {
            lint_path(entry.path(), settings, &cache.into(), &autofix.into()).unwrap_or_else(|e| {
-                error!("Failed to check {}: {e:?}", entry.path().to_string_lossy());
-                vec![]
+                if settings.select.contains(&CheckCode::E999) {
+                    vec![Message {
+                        kind: CheckKind::SyntaxError(e.to_string()),
+                        fixed: false,
+                        location: Default::default(),
+                        filename: entry.path().to_string_lossy().to_string(),
+                    }]
+                } else {
+                    error!("Failed to check {}: {e:?}", entry.path().to_string_lossy());
+                    vec![]
+                }
            })
        })
        .flatten()
@@ -130,62 +147,15 @@ fn run_once(
    Ok(messages)
 }

-fn report_once(messages: &[Message]) -> Result<()> {
-    let (fixed, outstanding): (Vec<&Message>, Vec<&Message>) =
-        messages.iter().partition(|message| message.fixed);
-    let num_fixable = outstanding
-        .iter()
-        .filter(|message| message.kind.fixable())
-        .count();
-
-    if !outstanding.is_empty() {
-        for message in &outstanding {
-            println!("{}", message);
-        }
-        println!();
-    }
-
-    if !fixed.is_empty() {
-        println!(
-            "Found {} error(s) ({} fixed).",
-            outstanding.len(),
-            fixed.len()
-        );
-    } else {
-        println!("Found {} error(s).", outstanding.len());
-    }
-
-    if num_fixable > 0 {
-        println!("{num_fixable} potentially fixable with the --fix option.");
-    }
-
-    Ok(())
-}
-
-fn report_continuously(messages: &[Message]) -> Result<()> {
-    tell_user!(
-        "Found {} error(s). Watching for file changes.",
-        messages.len(),
-    );
-
-    if !messages.is_empty() {
-        println!();
-        for message in messages {
-            println!("{}", message);
-        }
-    }
-
-    Ok(())
-}
-
 fn inner_main() -> Result<ExitCode> {
    let cli = Cli::parse();

    set_up_logging(cli.verbose)?;

-    // TODO(charlie): Can we avoid this cast?
-    let paths: Vec<&Path> = cli.files.iter().map(PathBuf::as_path).collect();
-    let mut settings = Settings::from_paths(paths)?;
+    let mut settings = Settings::from_paths(&cli.files);
+
+    let mut printer = Printer::new(cli.format);
+
    if !cli.select.is_empty() {
        settings.select(cli.select);
    }
@@ -193,21 +163,30 @@ fn inner_main() -> Result<ExitCode> {
        settings.ignore(&cli.ignore);
    }
    if !cli.exclude.is_empty() {
-        settings.exclude(cli.exclude);
+        settings.exclude = cli.exclude;
    }
+    if !cli.extend_exclude.is_empty() {
+        settings.extend_exclude = cli.extend_exclude;
+    }
+
+    cache::init()?;

    if cli.watch {
        if cli.fix {
-            println!("Warning: --fix is not enabled in watch mode.")
+            println!("Warning: --fix is not enabled in watch mode.");
+        }
+
+        if cli.format != SerializationFormat::Text {
+            println!("Warning: --format 'text' is used in watch mode.");
        }

        // Perform an initial run instantly.
-        clearscreen::clear()?;
+        printer.clear_screen()?;
        tell_user!("Starting linter in watch mode...\n");

        let messages = run_once(&cli.files, &settings, !cli.no_cache, false)?;
        if !cli.quiet {
-            report_continuously(&messages)?;
+            printer.write_continuously(&messages)?;
        }

        // Configure the file watcher.
@@ -222,12 +201,12 @@ fn inner_main() -> Result<ExitCode> {
                Ok(e) => {
                    if let Some(path) = e.path {
                        if path.to_string_lossy().ends_with(".py") {
-                            clearscreen::clear()?;
+                            printer.clear_screen()?;
                            tell_user!("File change detected...\n");

                            let messages = run_once(&cli.files, &settings, !cli.no_cache, false)?;
                            if !cli.quiet {
-                                report_continuously(&messages)?;
+                                printer.write_continuously(&messages)?;
                            }
                        }
                    }
@@ -238,7 +217,7 @@ fn inner_main() -> Result<ExitCode> {
    } else {
        let messages = run_once(&cli.files, &settings, !cli.no_cache, cli.fix)?;
        if !cli.quiet {
-            report_once(&messages)?;
+            printer.write_once(&messages)?;
        }

        #[cfg(feature = "update-informer")]
--- a/src/printer.rs
+++ b/src/printer.rs
@@ -0,0 +1,80 @@
+use colored::Colorize;
+
+use anyhow::Result;
+use clap::ValueEnum;
+
+use crate::message::Message;
+use crate::tell_user;
+
+#[derive(Clone, Copy, ValueEnum, PartialEq, Eq, Debug)]
+pub enum SerializationFormat {
+    Text,
+    Json,
+}
+
+pub struct Printer {
+    format: SerializationFormat,
+}
+
+impl Printer {
+    pub fn new(format: SerializationFormat) -> Self {
+        Self { format }
+    }
+
+    pub fn write_once(&mut self, messages: &[Message]) -> Result<()> {
+        let (fixed, outstanding): (Vec<&Message>, Vec<&Message>) =
+            messages.iter().partition(|message| message.fixed);
+        let num_fixable = outstanding
+            .iter()
+            .filter(|message| message.kind.fixable())
+            .count();
+
+        match self.format {
+            SerializationFormat::Json => {
+                println!("{}", serde_json::to_string_pretty(&messages)?)
+            }
+            SerializationFormat::Text => {
+                if !fixed.is_empty() {
+                    println!(
+                        "Found {} error(s) ({} fixed).",
+                        outstanding.len(),
+                        fixed.len()
+                    )
+                } else {
+                    println!("Found {} error(s).", outstanding.len())
+                }
+
+                for message in outstanding {
+                    println!("{}", message)
+                }
+
+                if num_fixable > 0 {
+                    println!("{num_fixable} potentially fixable with the --fix option.")
+                }
+            }
+        }
+
+        Ok(())
+    }
+
+    pub fn write_continuously(&mut self, messages: &[Message]) -> Result<()> {
+        tell_user!(
+            "Found {} error(s). Watching for file changes.",
+            messages.len(),
+        );
+
+        if !messages.is_empty() {
+            println!();
+            for message in messages {
+                println!("{}", message)
+            }
+        }
+
+        Ok(())
+    }
+
+    pub fn clear_screen(&mut self) -> Result<()> {
+        clearscreen::clear()?;
+        Ok(())
+    }
+}
--- a/src/pyproject.rs
+++ b/src/pyproject.rs
@@ -8,29 +8,26 @@ use serde::Deserialize;
 use crate::checks::CheckCode;
 use crate::fs;

-pub fn load_config<'a>(paths: impl IntoIterator<Item = &'a Path>) -> Result<(PathBuf, Config)> {
+pub fn load_config(paths: &[PathBuf]) -> Config {
    match find_project_root(paths) {
        Some(project_root) => match find_pyproject_toml(&project_root) {
            Some(path) => {
-                debug!("Found pyproject.toml at: {}", path.to_string_lossy());
+                debug!("Found pyproject.toml at: {:?}", path);
                match parse_pyproject_toml(&path) {
-                    Ok(pyproject) => {
-                        let config = pyproject
-                            .tool
-                            .and_then(|tool| tool.ruff)
-                            .unwrap_or_default();
-                        Ok((project_root, config))
-                    }
+                    Ok(pyproject) => pyproject
+                        .tool
+                        .and_then(|tool| tool.ruff)
+                        .unwrap_or_default(),
                    Err(e) => {
                        println!("Failed to load pyproject.toml: {:?}", e);
                        println!("Falling back to default configuration...");
-                        Ok(Default::default())
+                        Default::default()
                    }
                }
            }
-            None => Ok(Default::default()),
+            None => Default::default(),
        },
-        None => Ok(Default::default()),
+        None => Default::default(),
    }
 }

@@ -39,6 +36,7 @@ pub fn load_config<'a>(paths: impl IntoIterator<Item = &'a Path>) -> Result<(Pat
 pub struct Config {
    pub line_length: Option<usize>,
    pub exclude: Option<Vec<PathBuf>>,
+    pub extend_exclude: Option<Vec<PathBuf>>,
    pub select: Option<Vec<CheckCode>>,
    pub ignore: Option<Vec<CheckCode>>,
 }
@@ -70,8 +68,8 @@ fn find_user_pyproject_toml() -> Option<PathBuf> {
    dirs::home_dir().map(|path| path.join(".ruff"))
 }

-fn find_project_root<'a>(sources: impl IntoIterator<Item = &'a Path>) -> Option<PathBuf> {
-    if let Some(prefix) = common_path_all(sources) {
+fn find_project_root(sources: &[PathBuf]) -> Option<PathBuf> {
+    if let Some(prefix) = common_path_all(sources.iter().map(PathBuf::as_path)) {
        for directory in prefix.ancestors() {
            if directory.join(".git").is_dir() {
                return Some(directory.to_path_buf());
@@ -90,7 +88,7 @@ fn find_project_root<'a>(sources: impl IntoIterator<Item = &'a Path>) -> Option<

 #[cfg(test)]
 mod tests {
-    use std::path::Path;
+    use std::path::{Path, PathBuf};

    use anyhow::Result;

@@ -123,6 +121,7 @@ mod tests {
                ruff: Some(Config {
                    line_length: None,
                    exclude: None,
+                    extend_exclude: None,
                    select: None,
                    ignore: None,
                })
@@ -142,6 +141,7 @@ line-length = 79
                ruff: Some(Config {
                    line_length: Some(79),
                    exclude: None,
+                    extend_exclude: None,
                    select: None,
                    ignore: None,
                })
@@ -161,6 +161,7 @@ exclude = ["foo.py"]
                ruff: Some(Config {
                    line_length: None,
                    exclude: Some(vec![Path::new("foo.py").to_path_buf()]),
+                    extend_exclude: None,
                    select: None,
                    ignore: None,
                })
@@ -180,6 +181,7 @@ select = ["E501"]
                ruff: Some(Config {
                    line_length: None,
                    exclude: None,
+                    extend_exclude: None,
                    select: Some(vec![CheckCode::E501]),
                    ignore: None,
                })
@@ -199,6 +201,7 @@ ignore = ["E501"]
                ruff: Some(Config {
                    line_length: None,
                    exclude: None,
+                    extend_exclude: None,
                    select: None,
                    ignore: Some(vec![CheckCode::E501]),
                })
@@ -238,8 +241,9 @@ other-attribute = 1

    #[test]
    fn find_and_parse_pyproject_toml() -> Result<()> {
-        let project_root = find_project_root([Path::new("resources/test/fixtures/__init__.py")])
-            .expect("Unable to find project root.");
+        let project_root =
+            find_project_root(&[PathBuf::from("resources/test/fixtures/__init__.py")])
+                .expect("Unable to find project root.");
        assert_eq!(project_root, Path::new("resources/test/fixtures"));

        let path = find_pyproject_toml(&project_root).expect("Unable to find pyproject.toml.");
@@ -254,9 +258,11 @@ other-attribute = 1
            config,
            Config {
                line_length: Some(88),
-                exclude: Some(vec![
+                exclude: None,
+                extend_exclude: Some(vec![
                    Path::new("excluded.py").to_path_buf(),
-                    Path::new("**/migrations").to_path_buf()
+                    Path::new("migrations").to_path_buf(),
+                    Path::new("./resources/test/fixtures/directory/also_excluded.py").to_path_buf()
                ]),
                select: Some(vec![
                    CheckCode::E402,
@@ -265,12 +271,14 @@ other-attribute = 1
                    CheckCode::E712,
                    CheckCode::E713,
                    CheckCode::E714,
+                    CheckCode::E721,
                    CheckCode::E722,
                    CheckCode::E731,
                    CheckCode::E741,
                    CheckCode::E742,
                    CheckCode::E743,
                    CheckCode::E902,
+                    CheckCode::E999,
                    CheckCode::F401,
                    CheckCode::F403,
                    CheckCode::F404,
@@ -282,6 +290,8 @@ other-attribute = 1
                    CheckCode::F621,
                    CheckCode::F622,
                    CheckCode::F631,
+                    CheckCode::F632,
+                    CheckCode::F633,
                    CheckCode::F634,
                    CheckCode::F701,
                    CheckCode::F702,
--- a/src/python/typing.rs
+++ b/src/python/typing.rs
@@ -1,8 +1,8 @@
-use lazy_static::lazy_static;
+use once_cell::sync::Lazy;
 use std::collections::BTreeSet;

-lazy_static! {
-    static ref ANNOTATED_SUBSCRIPTS: BTreeSet<&'static str> = BTreeSet::from([
+static ANNOTATED_SUBSCRIPTS: Lazy<BTreeSet<&'static str>> = Lazy::new(|| {
+    BTreeSet::from([
        "AbstractAsyncContextManager",
        "AbstractContextManager",
        "AbstractSet",
@@ -80,8 +80,8 @@ lazy_static! {
        "set",
        "tuple",
        "type",
-    ]);
-}
+    ])
+});

 pub fn is_annotated_subscript(name: &str) -> bool {
    ANNOTATED_SUBSCRIPTS.contains(name)
--- a/src/settings.rs
+++ b/src/settings.rs
@@ -1,9 +1,9 @@
 use std::collections::BTreeSet;
 use std::hash::{Hash, Hasher};
-use std::path::Path;
+use std::path::PathBuf;

-use anyhow::Result;
 use glob::Pattern;
+use once_cell::sync::Lazy;

 use crate::checks::CheckCode;
 use crate::pyproject::load_config;
@@ -12,6 +12,7 @@ use crate::pyproject::load_config;
 pub struct Settings {
    pub line_length: usize,
    pub exclude: Vec<Pattern>,
+    pub extend_exclude: Vec<Pattern>,
    pub select: BTreeSet<CheckCode>,
 }

@@ -24,24 +25,57 @@ impl Hash for Settings {
    }
 }

+static DEFAULT_EXCLUDE: Lazy<Vec<Pattern>> = Lazy::new(|| {
+    vec![
+        Pattern::new(".bzr").unwrap(),
+        Pattern::new(".direnv").unwrap(),
+        Pattern::new(".eggs").unwrap(),
+        Pattern::new(".git").unwrap(),
+        Pattern::new(".hg").unwrap(),
+        Pattern::new(".mypy_cache").unwrap(),
+        Pattern::new(".nox").unwrap(),
+        Pattern::new(".pants.d").unwrap(),
+        Pattern::new(".ruff_cache").unwrap(),
+        Pattern::new(".svn").unwrap(),
+        Pattern::new(".tox").unwrap(),
+        Pattern::new(".venv").unwrap(),
+        Pattern::new("__pypackages__").unwrap(),
+        Pattern::new("_build").unwrap(),
+        Pattern::new("buck-out").unwrap(),
+        Pattern::new("build").unwrap(),
+        Pattern::new("dist").unwrap(),
+        Pattern::new("node_modules").unwrap(),
+        Pattern::new("venv").unwrap(),
+    ]
+});
+
 impl Settings {
-    pub fn from_paths<'a>(paths: impl IntoIterator<Item = &'a Path>) -> Result<Self> {
-        let (project_root, config) = load_config(paths)?;
+    pub fn from_paths(paths: &[PathBuf]) -> Self {
+        let config = load_config(paths);
        let mut settings = Settings {
            line_length: config.line_length.unwrap_or(88),
            exclude: config
                .exclude
-                .unwrap_or_default()
-                .into_iter()
-                .map(|path| {
-                    if path.is_relative() {
-                        project_root.join(path)
-                    } else {
-                        path
-                    }
+                .map(|paths| {
+                    paths
+                        .iter()
+                        .map(|path| {
+                            Pattern::new(&path.to_string_lossy()).expect("Invalid pattern.")
+                        })
+                        .collect()
                })
-                .map(|path| Pattern::new(&path.to_string_lossy()).expect("Invalid pattern."))
-                .collect(),
+                .unwrap_or_else(|| DEFAULT_EXCLUDE.clone()),
+            extend_exclude: config
+                .extend_exclude
+                .map(|paths| {
+                    paths
+                        .iter()
+                        .map(|path| {
+                            Pattern::new(&path.to_string_lossy()).expect("Invalid pattern.")
+                        })
+                        .collect()
+                })
+                .unwrap_or_default(),
            select: BTreeSet::from_iter(config.select.unwrap_or_else(|| {
                vec![
                    CheckCode::E402,
@@ -50,12 +84,14 @@ impl Settings {
                    CheckCode::E712,
                    CheckCode::E713,
                    CheckCode::E714,
+                    CheckCode::E721,
                    CheckCode::E722,
                    CheckCode::E731,
                    CheckCode::E741,
                    CheckCode::E742,
                    CheckCode::E743,
                    CheckCode::E902,
+                    CheckCode::E999,
                    CheckCode::F401,
                    CheckCode::F403,
                    CheckCode::F406,
@@ -66,6 +102,8 @@ impl Settings {
                    CheckCode::F621,
                    CheckCode::F622,
                    CheckCode::F631,
+                    CheckCode::F632,
+                    CheckCode::F633,
                    CheckCode::F634,
                    CheckCode::F701,
                    CheckCode::F702,
@@ -88,7 +126,7 @@ impl Settings {
        if let Some(ignore) = &config.ignore {
            settings.ignore(ignore);
        }
-        Ok(settings)
+        settings
    }

    pub fn select(&mut self, codes: Vec<CheckCode>) {
@@ -103,8 +141,4 @@ impl Settings {
            self.select.remove(code);
        }
    }
-
-    pub fn exclude(&mut self, exclude: Vec<Pattern>) {
-        self.exclude = exclude;
-    }
 }
--- a/src/snapshots/rufflintertests__e402.snap
+++ b/src/snapshots/rufflintertests__e402.snap
@@ -0,0 +1,10 @@
+---
+source: src/linter.rs
+expression: checks
+---
+- kind: ModuleImportNotAtTopOfFile
+  location:
+    row: 20
+    column: 1
+  fix: ~
+
--- a/src/snapshots/rufflintertests__e501.snap
+++ b/src/snapshots/rufflintertests__e501.snap
@@ -0,0 +1,13 @@
+---
+source: src/linter.rs
+expression: checks
+---
+- kind:
+    LineTooLong:
+      - 123
+      - 88
+  location:
+    row: 5
+    column: 89
+  fix: ~
+
--- a/src/snapshots/rufflintertests__e711.snap
+++ b/src/snapshots/rufflintertests__e711.snap
@@ -0,0 +1,53 @@
+---
+source: src/linter.rs
+expression: checks
+---
+- kind:
+    NoneComparison: Eq
+  location:
+    row: 2
+    column: 11
+  fix: ~
+- kind:
+    NoneComparison: NotEq
+  location:
+    row: 5
+    column: 11
+  fix: ~
+- kind:
+    NoneComparison: Eq
+  location:
+    row: 8
+    column: 4
+  fix: ~
+- kind:
+    NoneComparison: NotEq
+  location:
+    row: 11
+    column: 4
+  fix: ~
+- kind:
+    NoneComparison: Eq
+  location:
+    row: 14
+    column: 14
+  fix: ~
+- kind:
+    NoneComparison: NotEq
+  location:
+    row: 17
+    column: 14
+  fix: ~
+- kind:
+    NoneComparison: NotEq
+  location:
+    row: 20
+    column: 4
+  fix: ~
+- kind:
+    NoneComparison: Eq
+  location:
+    row: 23
+    column: 4
+  fix: ~
+
--- a/src/snapshots/rufflintertests__e712.snap
+++ b/src/snapshots/rufflintertests__e712.snap
@@ -0,0 +1,77 @@
+---
+source: src/linter.rs
+expression: checks
+---
+- kind:
+    TrueFalseComparison:
+      - true
+      - Eq
+  location:
+    row: 2
+    column: 11
+  fix: ~
+- kind:
+    TrueFalseComparison:
+      - false
+      - NotEq
+  location:
+    row: 5
+    column: 11
+  fix: ~
+- kind:
+    TrueFalseComparison:
+      - true
+      - NotEq
+  location:
+    row: 8
+    column: 4
+  fix: ~
+- kind:
+    TrueFalseComparison:
+      - false
+      - Eq
+  location:
+    row: 11
+    column: 4
+  fix: ~
+- kind:
+    TrueFalseComparison:
+      - true
+      - Eq
+  location:
+    row: 14
+    column: 14
+  fix: ~
+- kind:
+    TrueFalseComparison:
+      - false
+      - NotEq
+  location:
+    row: 17
+    column: 14
+  fix: ~
+- kind:
+    TrueFalseComparison:
+      - true
+      - Eq
+  location:
+    row: 20
+    column: 20
+  fix: ~
+- kind:
+    TrueFalseComparison:
+      - false
+      - Eq
+  location:
+    row: 20
+    column: 44
+  fix: ~
+- kind:
+    TrueFalseComparison:
+      - true
+      - Eq
+  location:
+    row: 22
+    column: 5
+  fix: ~
+
--- a/src/snapshots/rufflintertests__e713.snap
+++ b/src/snapshots/rufflintertests__e713.snap
@@ -0,0 +1,30 @@
+---
+source: src/linter.rs
+expression: checks
+---
+- kind: NotInTest
+  location:
+    row: 2
+    column: 10
+  fix: ~
+- kind: NotInTest
+  location:
+    row: 5
+    column: 12
+  fix: ~
+- kind: NotInTest
+  location:
+    row: 8
+    column: 10
+  fix: ~
+- kind: NotInTest
+  location:
+    row: 11
+    column: 25
+  fix: ~
+- kind: NotInTest
+  location:
+    row: 14
+    column: 11
+  fix: ~
+
--- a/src/snapshots/rufflintertests__e714.snap
+++ b/src/snapshots/rufflintertests__e714.snap
@@ -0,0 +1,20 @@
+---
+source: src/linter.rs
+expression: checks
+---
+- kind: NotIsTest
+  location:
+    row: 2
+    column: 10
+  fix: ~
+- kind: NotIsTest
+  location:
+    row: 5
+    column: 12
+  fix: ~
+- kind: NotIsTest
+  location:
+    row: 8
+    column: 10
+  fix: ~
+
--- a/src/snapshots/rufflintertests__e721.snap
+++ b/src/snapshots/rufflintertests__e721.snap
@@ -0,0 +1,85 @@
+---
+source: src/linter.rs
+expression: checks
+---
+- kind: TypeComparison
+  location:
+    row: 2
+    column: 14
+  fix: ~
+- kind: TypeComparison
+  location:
+    row: 5
+    column: 14
+  fix: ~
+- kind: TypeComparison
+  location:
+    row: 10
+    column: 8
+  fix: ~
+- kind: TypeComparison
+  location:
+    row: 15
+    column: 14
+  fix: ~
+- kind: TypeComparison
+  location:
+    row: 18
+    column: 18
+  fix: ~
+- kind: TypeComparison
+  location:
+    row: 18
+    column: 46
+  fix: ~
+- kind: TypeComparison
+  location:
+    row: 20
+    column: 18
+  fix: ~
+- kind: TypeComparison
+  location:
+    row: 22
+    column: 18
+  fix: ~
+- kind: TypeComparison
+  location:
+    row: 24
+    column: 18
+  fix: ~
+- kind: TypeComparison
+  location:
+    row: 26
+    column: 18
+  fix: ~
+- kind: TypeComparison
+  location:
+    row: 28
+    column: 18
+  fix: ~
+- kind: TypeComparison
+  location:
+    row: 30
+    column: 18
+  fix: ~
+- kind: TypeComparison
+  location:
+    row: 32
+    column: 18
+  fix: ~
+- kind: TypeComparison
+  location:
+    row: 34
+    column: 18
+  fix: ~
+- kind: TypeComparison
+  location:
+    row: 40
+    column: 18
+  fix: ~
+- kind: TypeComparison
+  location:
+    row: 42
+    column: 18
+  fix: ~
+
--- a/src/snapshots/rufflintertests__e722.snap
+++ b/src/snapshots/rufflintertests__e722.snap
@@ -0,0 +1,20 @@
+---
+source: src/linter.rs
+expression: checks
+---
+- kind: DoNotUseBareExcept
+  location:
+    row: 4
+    column: 1
+  fix: ~
+- kind: DoNotUseBareExcept
+  location:
+    row: 11
+    column: 1
+  fix: ~
+- kind: DoNotUseBareExcept
+  location:
+    row: 16
+    column: 1
+  fix: ~
+
--- a/src/snapshots/rufflintertests__e731.snap
+++ b/src/snapshots/rufflintertests__e731.snap
@@ -0,0 +1,30 @@
+---
+source: src/linter.rs
+expression: checks
+---
+- kind: DoNotAssignLambda
+  location:
+    row: 2
+    column: 1
+  fix: ~
+- kind: DoNotAssignLambda
+  location:
+    row: 4
+    column: 1
+  fix: ~
+- kind: DoNotAssignLambda
+  location:
+    row: 7
+    column: 5
+  fix: ~
+- kind: DoNotAssignLambda
+  location:
+    row: 12
+    column: 1
+  fix: ~
+- kind: DoNotAssignLambda
+  location:
+    row: 16
+    column: 1
+  fix: ~
+
--- a/src/snapshots/rufflintertests__e741.snap
+++ b/src/snapshots/rufflintertests__e741.snap
@@ -0,0 +1,155 @@
+---
+source: src/linter.rs
+expression: checks
+---
+- kind:
+    AmbiguousVariableName: l
+  location:
+    row: 3
+    column: 1
+  fix: ~
+- kind:
+    AmbiguousVariableName: I
+  location:
+    row: 4
+    column: 1
+  fix: ~
+- kind:
+    AmbiguousVariableName: O
+  location:
+    row: 5
+    column: 1
+  fix: ~
+- kind:
+    AmbiguousVariableName: l
+  location:
+    row: 6
+    column: 1
+  fix: ~
+- kind:
+    AmbiguousVariableName: l
+  location:
+    row: 8
+    column: 4
+  fix: ~
+- kind:
+    AmbiguousVariableName: l
+  location:
+    row: 9
+    column: 5
+  fix: ~
+- kind:
+    AmbiguousVariableName: l
+  location:
+    row: 10
+    column: 5
+  fix: ~
+- kind:
+    AmbiguousVariableName: l
+  location:
+    row: 11
+    column: 5
+  fix: ~
+- kind:
+    AmbiguousVariableName: l
+  location:
+    row: 16
+    column: 5
+  fix: ~
+- kind:
+    AmbiguousVariableName: l
+  location:
+    row: 20
+    column: 8
+  fix: ~
+- kind:
+    AmbiguousVariableName: l
+  location:
+    row: 25
+    column: 5
+  fix: ~
+- kind:
+    AmbiguousVariableName: l
+  location:
+    row: 26
+    column: 5
+  fix: ~
+- kind:
+    AmbiguousVariableName: l
+  location:
+    row: 30
+    column: 5
+  fix: ~
+- kind:
+    AmbiguousVariableName: l
+  location:
+    row: 33
+    column: 9
+  fix: ~
+- kind:
+    AmbiguousVariableName: l
+  location:
+    row: 34
+    column: 9
+  fix: ~
+- kind:
+    AmbiguousVariableName: l
+  location:
+    row: 40
+    column: 8
+  fix: ~
+- kind:
+    AmbiguousVariableName: I
+  location:
+    row: 40
+    column: 14
+  fix: ~
+- kind:
+    AmbiguousVariableName: l
+  location:
+    row: 44
+    column: 8
+  fix: ~
+- kind:
+    AmbiguousVariableName: I
+  location:
+    row: 44
+    column: 16
+  fix: ~
+- kind:
+    AmbiguousVariableName: l
+  location:
+    row: 48
+    column: 9
+  fix: ~
+- kind:
+    AmbiguousVariableName: I
+  location:
+    row: 48
+    column: 14
+  fix: ~
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+
--- a/src/snapshots/rufflintertests__e742.snap
+++ b/src/snapshots/rufflintertests__e742.snap
@@ -0,0 +1,23 @@
+---
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+    column: 1
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--- a/src/snapshots/rufflintertests__e743.snap
+++ b/src/snapshots/rufflintertests__e743.snap
@@ -0,0 +1,23 @@
+---
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--- a/src/snapshots/rufflintertests__f401.snap
+++ b/src/snapshots/rufflintertests__f401.snap
@@ -0,0 +1,23 @@
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--- a/src/snapshots/rufflintertests__f403.snap
+++ b/src/snapshots/rufflintertests__f403.snap
@@ -0,0 +1,17 @@
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--- a/src/snapshots/rufflintertests__f404.snap
+++ b/src/snapshots/rufflintertests__f404.snap
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--- a/src/snapshots/rufflintertests__f406.snap
+++ b/src/snapshots/rufflintertests__f406.snap
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--- a/src/snapshots/rufflintertests__f407.snap
+++ b/src/snapshots/rufflintertests__f407.snap
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+++ b/src/snapshots/rufflintertests__f541.snap
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+++ b/src/snapshots/rufflintertests__f601.snap
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--- a/src/snapshots/rufflintertests__f602.snap
+++ b/src/snapshots/rufflintertests__f602.snap
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+++ b/src/snapshots/rufflintertests__f622.snap
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--- a/src/snapshots/rufflintertests__f631.snap
+++ b/src/snapshots/rufflintertests__f631.snap
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--- a/src/snapshots/rufflintertests__f632.snap
+++ b/src/snapshots/rufflintertests__f632.snap
@@ -0,0 +1,15 @@
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--- a/src/snapshots/rufflintertests__f633.snap
+++ b/src/snapshots/rufflintertests__f633.snap
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--- a/src/snapshots/rufflintertests__f634.snap
+++ b/src/snapshots/rufflintertests__f634.snap
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--- a/src/snapshots/rufflintertests__f701.snap
+++ b/src/snapshots/rufflintertests__f701.snap
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--- a/src/snapshots/rufflintertests__f702.snap
+++ b/src/snapshots/rufflintertests__f702.snap
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+++ b/src/snapshots/rufflintertests__f704.snap
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+++ b/src/snapshots/rufflintertests__f706.snap
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--- a/src/snapshots/rufflintertests__f707.snap
+++ b/src/snapshots/rufflintertests__f707.snap
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--- a/src/snapshots/rufflintertests__f722.snap
+++ b/src/snapshots/rufflintertests__f722.snap
@@ -0,0 +1,11 @@
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--- a/src/snapshots/rufflintertests__f821.snap
+++ b/src/snapshots/rufflintertests__f821.snap
@@ -0,0 +1,41 @@
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--- a/src/snapshots/rufflintertests__f822.snap
+++ b/src/snapshots/rufflintertests__f822.snap
@@ -0,0 +1,11 @@
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--- a/src/snapshots/rufflintertests__f823.snap
+++ b/src/snapshots/rufflintertests__f823.snap
@@ -0,0 +1,11 @@
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--- a/src/snapshots/rufflintertests__f831.snap
+++ b/src/snapshots/rufflintertests__f831.snap
@@ -0,0 +1,20 @@
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--- a/src/snapshots/rufflintertests__f841.snap
+++ b/src/snapshots/rufflintertests__f841.snap
@@ -0,0 +1,35 @@
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--- a/src/snapshots/rufflintertests__f901.snap
+++ b/src/snapshots/rufflintertests__f901.snap
@@ -0,0 +1,15 @@
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--- a/src/snapshots/rufflintertests__future_annotations.snap
+++ b/src/snapshots/rufflintertests__future_annotations.snap
@@ -0,0 +1,17 @@
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--- a/src/snapshots/rufflintertests__init.snap
+++ b/src/snapshots/rufflintertests__init.snap
@@ -0,0 +1,6 @@
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+++ b/src/snapshots/rufflintertests__r001.snap
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--- a/src/snapshots/rufflintertests__r002.snap
+++ b/src/snapshots/rufflintertests__r002.snap
@@ -0,0 +1,31 @@
+---
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+
Author	SHA1	Message	Date
Charlie Marsh	3937885f37	Bump version to 0.0.40	2022-09-16 04:57:21 -04:00
Charlie Marsh	24de97d951	Create cache directory prior to writing .gitignore	2022-09-16 04:56:58 -04:00
Charlie Marsh	06e5b3e457	Bump version to 0.0.39	2022-09-15 21:41:14 -04:00
Charlie Marsh	68a0e6dc19	Remove erroneous test dir	2022-09-15 21:41:00 -04:00
Charlie Marsh	9d4a4478f7	Improve exclusion syntax to match exact files (#209 )	2022-09-15 21:40:49 -04:00
Charlie Marsh	6bbf3f46c4	Add .gitignore to .ruff_cache (#208 )	2022-09-15 20:40:06 -04:00
Charlie Marsh	4ac4e8c991	Exclude .ruff_cache by default (#207 )	2022-09-15 20:39:39 -04:00
Dmitry Dygalo	0091a3ae5f	chore: Do not read the same file twice (#206 )	2022-09-15 16:05:29 -04:00
Patrick Haller	17b3109a8b	Update docs with --format flag (#205 )	2022-09-15 16:04:07 -04:00
Charlie Marsh	71520213c1	Allow __path__ in __init__.py (#201 )	2022-09-15 09:44:03 -04:00
Charlie Marsh	f24e7a0052	Add trailing period to help message	2022-09-15 09:43:51 -04:00
Patrick Haller	507e9f7ec3	Fix: Structured output Issue Fix (#186 )	2022-09-15 09:43:10 -04:00
Charlie Marsh	592c53c8bf	Use binding location when reporting F821 errors (#200 )	2022-09-14 22:51:07 -04:00
Charlie Marsh	a2df89dedd	Bump version to 0.0.38	2022-09-14 22:38:42 -04:00
Charlie Marsh	b8f12d2e79	Raise error when failing to parse (#199 )	2022-09-14 22:37:55 -04:00
Charlie Marsh	67b1d0463a	Pull in pycodestyle tests for E checks (#195 )	2022-09-14 22:22:53 -04:00
Charlie Marsh	d008a181ec	Improve default exclusions and support extend-exclude (#188 )	2022-09-14 22:21:17 -04:00
Charlie Marsh	6d612a428a	Migrate linter tests to insta (#194 )	2022-09-14 21:52:44 -04:00
Charlie Marsh	c0cb73ab16	Implement E721 (#193 )	2022-09-14 21:10:29 -04:00
Charlie Marsh	2e1eb84cbf	Implement F632 (#190 )	2022-09-14 18:22:35 -04:00
Charlie Marsh	b03a8728b5	Add support for from __future__ import annotations (#189 )	2022-09-14 18:22:19 -04:00
Charlie Marsh	1dd3350a30	Revert "Adding flag and logic for different output format" (#187 )	2022-09-14 14:20:02 -04:00
Patrick Haller	bda34945a5	Adding flag and logic for different output format (#185 )	2022-09-14 10:43:32 -04:00
Dmitry Dygalo	85dcaa8d3c	chore: Avoid `collect` in `inner_main` (#184 )	2022-09-14 08:16:04 -04:00
Charlie Marsh	4ac74ed0ad	Revert erroneous pyproject.toml changes	2022-09-14 08:14:26 -04:00
Dmitry Dygalo	b7e2a4b9a9	feat: Implement `InvalidPrintSyntax` (`F633`) (#182 )	2022-09-13 21:10:20 -04:00
Dmitry Dygalo	53a7758248	Avoid some allocations (#179 )	2022-09-13 10:07:22 -04:00
Dmitry Dygalo	2ba767957d	refactor: Use `while let Some` instead of calling `is_empty` (#180 )	2022-09-13 10:06:49 -04:00
Dmitry Dygalo	08152787e1	chore: Use `once_cell` instead of `lazy_static` (#178 )	2022-09-13 10:06:21 -04:00