Format UnaryExpr

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## Summary

This PR adds basic formatting for unary expressions.

<!-- What's the purpose of the change? What does it do, and why? -->

## Test Plan

I added a new `unary.py` with custom test cases

crates/ruff_python_formatter/resources/test/fixtures/ruff/expression/unary.py

@@ -0,0 +1,138 @@
+if not aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb:
+    pass
+
+a = True
+not a
+
+b = 10
+-b
++b
+
+## Leading operand comments
+
+if not (
+    # comment
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+):
+    pass
+
+
+if ~(
+    # comment
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb):
+    pass
+
+if -(
+    # comment
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb):
+    pass
+
+
+if +(
+    # comment
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb):
+    pass
+
+if (
+    not
+    # comment
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+):
+    pass
+
+
+if (
+    ~
+    # comment
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb):
+    pass
+
+if (
+    -
+    # comment
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb):
+    pass
+
+
+if (
+    +
+    # comment
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb):
+    pass
+
+## Parentheses
+
+if (
+    # unary comment
+    not
+    # operand comment
+    (
+        # comment
+        aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+        + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+    )
+):
+    pass
+
+if (not (
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+    + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+)
+):
+    pass
+
+if aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa & (not (
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+    + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+)
+):
+    pass
+
+if (
+    not (
+            aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+            + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+        )
+        & aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+):
+    pass
+
+
+## Trailing operator comments
+
+if (
+    not # comment
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+    + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+):
+    pass
+
+
+if (
+    ~ # comment
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+    + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+):
+    pass
+
+if (
+    - # comment
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+    + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+):
+    pass
+
+
+if (
+    + # comment
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+    + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+):
+    pass
+
+
+## Varia
+
+if not \
+    a:
+    pass

crates/ruff_python_formatter/src/expression/expr_bin_op.rs

@@ -323,6 +323,10 @@ fn can_break(expr: &Expr) -> bool {
         }) => !expressions.is_empty(),
         Expr::Call(ExprCall { args, keywords, .. }) => !(args.is_empty() && keywords.is_empty()),
         Expr::ListComp(_) | Expr::SetComp(_) | Expr::DictComp(_) | Expr::GeneratorExp(_) => true,
+        Expr::UnaryOp(ExprUnaryOp { operand, .. }) => match operand.as_ref() {
+            Expr::BinOp(_) => true,
+            _ => can_break(operand.as_ref()),
+        },
         _ => false,
     }
 }

crates/ruff_python_formatter/src/expression/expr_unary_op.rs

@@ -1,17 +1,68 @@
-use crate::comments::Comments;
+use crate::comments::{trailing_comments, Comments};
 use crate::expression::parentheses::{
     default_expression_needs_parentheses, NeedsParentheses, Parentheses, Parenthesize,
 };
-use crate::{not_yet_implemented, FormatNodeRule, PyFormatter};
-use ruff_formatter::{write, Buffer, FormatResult};
-use rustpython_parser::ast::ExprUnaryOp;
+use crate::prelude::*;
+use crate::trivia::{SimpleTokenizer, TokenKind};
+use crate::FormatNodeRule;
+use ruff_formatter::FormatContext;
+use ruff_python_ast::prelude::UnaryOp;
+use ruff_text_size::{TextLen, TextRange};
+use rustpython_parser::ast::{ExprUnaryOp, Ranged};
 
 #[derive(Default)]
 pub struct FormatExprUnaryOp;
 
 impl FormatNodeRule<ExprUnaryOp> for FormatExprUnaryOp {
     fn fmt_fields(&self, item: &ExprUnaryOp, f: &mut PyFormatter) -> FormatResult<()> {
-        write!(f, [not_yet_implemented(item)])
+        let ExprUnaryOp {
+            range: _,
+            op,
+            operand,
+        } = item;
+
+        let operator = match op {
+            UnaryOp::Invert => "~",
+            UnaryOp::Not => "not",
+            UnaryOp::UAdd => "+",
+            UnaryOp::USub => "-",
+        };
+
+        text(operator).fmt(f)?;
+
+        let comments = f.context().comments().clone();
+
+        // Split off the comments that follow after the operator and format them as trailing comments.
+        // ```python
+        // (not # comment
+        //      a)
+        // ```
+        let leading_operand_comments = comments.leading_comments(operand.as_ref());
+        let trailing_operator_comments_end =
+            leading_operand_comments.partition_point(|p| p.position().is_end_of_line());
+        let (trailing_operator_comments, leading_operand_comments) =
+            leading_operand_comments.split_at(trailing_operator_comments_end);
+
+        if !trailing_operator_comments.is_empty() {
+            trailing_comments(trailing_operator_comments).fmt(f)?;
+        }
+
+        // Insert a line break if the operand has comments but itself is not parenthesized.
+        // ```python
+        // if (
+        //  not
+        //  # comment
+        //  a)
+        // ```
+        if !leading_operand_comments.is_empty()
+            && !is_operand_parenthesized(item, f.context().source_code().as_str())
+        {
+            hard_line_break().fmt(f)?;
+        } else if op.is_not() {
+            space().fmt(f)?;
+        }
+
+        operand.format().fmt(f)
     }
 }
 
@@ -22,6 +73,37 @@ impl NeedsParentheses for ExprUnaryOp {
         source: &str,
         comments: &Comments,
     ) -> Parentheses {
-        default_expression_needs_parentheses(self.into(), parenthesize, source, comments)
+        match default_expression_needs_parentheses(self.into(), parenthesize, source, comments) {
+            Parentheses::Optional => {
+                // We preserve the parentheses of the operand. It should not be necessary to break this expression.
+                if is_operand_parenthesized(self, source) {
+                    Parentheses::Never
+                } else {
+                    Parentheses::Optional
+                }
+            }
+            parentheses => parentheses,
+        }
+    }
+}
+
+fn is_operand_parenthesized(unary: &ExprUnaryOp, source: &str) -> bool {
+    let operator_len = match unary.op {
+        UnaryOp::Invert => '~'.text_len(),
+        UnaryOp::Not => "not".text_len(),
+        UnaryOp::UAdd => '+'.text_len(),
+        UnaryOp::USub => '-'.text_len(),
+    };
+
+    let trivia_range = TextRange::new(unary.range.start() + operator_len, unary.operand.start());
+
+    if let Some(token) = SimpleTokenizer::new(source, trivia_range)
+        .skip_trivia()
+        .next()
+    {
+        debug_assert_eq!(token.kind(), TokenKind::LParen);
+        true
+    } else {
+        false
     }
 }

crates/ruff_python_formatter/src/expression/parentheses.rs

@@ -42,7 +42,7 @@ pub(super) fn default_expression_needs_parentheses(
 }
 
 /// Configures if the expression should be parenthesized.
-#[derive(Copy, Clone, Debug, Default)]
+#[derive(Copy, Clone, Debug, Default, Eq, PartialEq)]
 pub enum Parenthesize {
     /// Parenthesize the expression if it has parenthesis in the source.
     #[default]
@@ -56,11 +56,11 @@ pub enum Parenthesize {
 }
 
 impl Parenthesize {
-    const fn is_if_breaks(self) -> bool {
+    pub(crate) const fn is_if_breaks(self) -> bool {
         matches!(self, Parenthesize::IfBreaks)
     }
 
-    const fn is_preserve(self) -> bool {
+    pub(crate) const fn is_preserve(self) -> bool {
         matches!(self, Parenthesize::Preserve)
     }
 }

crates/ruff_python_formatter/src/lib.rs

@@ -411,11 +411,10 @@ Formatted twice:
     #[test]
     fn quick_test() {
         let src = r#"
-
-def foo(
-    b=3
-    + 2  # comment
-):
+if [
+    aaaaaa,
+    BBBB,ccccccccc,ddddddd,eeeeeeeeee,ffffff
+] & bbbbbbbbbbbbbbbbbbddddddddddddddddddddddddddddbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb:
     ...
 "#;
         // Tokenize once

crates/ruff_python_formatter/src/snapshots/ruff_python_formatter__tests__black_test__attribute_access_on_number_literals_py.snap

@@ -67,7 +67,7 @@ y = 100(no)
 +x = NOT_IMPLEMENTED_call()
 +x = 0O777 .NOT_IMPLEMENTED_attr
 +x = NOT_IMPLEMENTED_call()
-+x = NOT_YET_IMPLEMENTED_ExprUnaryOp
++x = -100.0000J
  
 -if (10).real:
 +if 10 .NOT_IMPLEMENTED_attr:
@@ -97,7 +97,7 @@ x = NOT_IMPLEMENTED_call()
 x = NOT_IMPLEMENTED_call()
 x = 0O777 .NOT_IMPLEMENTED_attr
 x = NOT_IMPLEMENTED_call()
-x = NOT_YET_IMPLEMENTED_ExprUnaryOp
+x = -100.0000J
 
 if 10 .NOT_IMPLEMENTED_attr:
     ...

crates/ruff_python_formatter/src/snapshots/ruff_python_formatter__tests__black_test__empty_lines_py.snap

@@ -105,7 +105,7 @@ def g():
 ```diff
 --- Black
 +++ Ruff
-@@ -1,89 +1,70 @@
+@@ -1,47 +1,35 @@
 -"""Docstring."""
 +"NOT_YET_IMPLEMENTED_STRING"
  
@@ -137,11 +137,10 @@ def g():
 +    NOT_YET_IMPLEMENTED_StmtAssert
  
 -    prev = leaf.prev_sibling
--    if not prev:
++    prev = leaf.NOT_IMPLEMENTED_attr
+     if not prev:
 -        prevp = preceding_leaf(p)
 -        if not prevp or prevp.type in OPENING_BRACKETS:
-+    prev = leaf.NOT_IMPLEMENTED_attr
-+    if NOT_YET_IMPLEMENTED_ExprUnaryOp:
 +        prevp = NOT_IMPLEMENTED_call()
 +        if NOT_IMPLEMENTED_bool_op1 and NOT_IMPLEMENTED_bool_op2:
              return NO
@@ -171,11 +170,11 @@ def g():
                  return NO
  
  
- ###############################################################################
+@@ -49,41 +37,34 @@
  # SECTION BECAUSE SECTIONS
  ###############################################################################
--
  
+-
  def g():
 -    NO = ""
 -    SPACE = " "
@@ -205,10 +204,9 @@ def g():
 +    NOT_YET_IMPLEMENTED_StmtAssert
  
 -    prev = leaf.prev_sibling
--    if not prev:
--        prevp = preceding_leaf(p)
 +    prev = leaf.NOT_IMPLEMENTED_attr
-+    if NOT_YET_IMPLEMENTED_ExprUnaryOp:
+     if not prev:
+-        prevp = preceding_leaf(p)
 +        prevp = NOT_IMPLEMENTED_call()
  
 -        if not prevp or prevp.type in OPENING_BRACKETS:
@@ -254,7 +252,7 @@ def f():
     NOT_YET_IMPLEMENTED_StmtAssert
 
     prev = leaf.NOT_IMPLEMENTED_attr
-    if NOT_YET_IMPLEMENTED_ExprUnaryOp:
+    if not prev:
         prevp = NOT_IMPLEMENTED_call()
         if NOT_IMPLEMENTED_bool_op1 and NOT_IMPLEMENTED_bool_op2:
             return NO
@@ -292,7 +290,7 @@ def g():
     NOT_YET_IMPLEMENTED_StmtAssert
 
     prev = leaf.NOT_IMPLEMENTED_attr
-    if NOT_YET_IMPLEMENTED_ExprUnaryOp:
+    if not prev:
         prevp = NOT_IMPLEMENTED_call()
 
         if NOT_IMPLEMENTED_bool_op1 and NOT_IMPLEMENTED_bool_op2:

crates/ruff_python_formatter/src/snapshots/ruff_python_formatter__tests__black_test__expression_py.snap

@@ -276,7 +276,7 @@ last_call()
  Name
  None
  True
-@@ -7,226 +8,225 @@
+@@ -7,18 +8,18 @@
  1
  1.0
  1j
@@ -307,12 +307,10 @@ last_call()
  v1 << 2
  1 >> v2
  1 % finished
- 1 + v2 - v3 * 4 ^ 5**v6 / 7 // 8
- ((1 + v2) - (v3 * 4)) ^ (((5**v6) / 7) // 8)
--not great
--~great
--+value
---1
+@@ -28,205 +29,204 @@
+ ~great
+ +value
+ -1
 -~int and not v1 ^ 123 + v2 | True
 -(~int) and (not ((v1 ^ (123 + v2)) | True))
 -+(really ** -(confusing ** ~(operator**-precedence)))
@@ -339,13 +337,9 @@ last_call()
 -)
 -{"2.7": dead, "3.7": (long_live or die_hard)}
 -{"2.7": dead, "3.7": (long_live or die_hard), **{"3.6": verygood}}
-+NOT_YET_IMPLEMENTED_ExprUnaryOp
-+NOT_YET_IMPLEMENTED_ExprUnaryOp
-+NOT_YET_IMPLEMENTED_ExprUnaryOp
-+NOT_YET_IMPLEMENTED_ExprUnaryOp
 +NOT_IMPLEMENTED_bool_op1 and NOT_IMPLEMENTED_bool_op2
 +NOT_IMPLEMENTED_bool_op1 and NOT_IMPLEMENTED_bool_op2
-+NOT_YET_IMPLEMENTED_ExprUnaryOp
+++really ** -confusing ** ~operator**-precedence
 +NOT_IMPLEMENTED_bool_op1 and NOT_IMPLEMENTED_bool_op2
 +lambda x: True
 +lambda x: True
@@ -402,11 +396,6 @@ last_call()
 -    *a,
      4,
      5,
--]
--[
--    4,
--    *a,
--    5,
 +    6,
 +    7,
 +    8,
@@ -415,6 +404,11 @@ last_call()
 +    (NOT_IMPLEMENTED_bool_op1 and NOT_IMPLEMENTED_bool_op2),
 +    (NOT_IMPLEMENTED_bool_op1 and NOT_IMPLEMENTED_bool_op2),
  ]
+-[
+-    4,
+-    *a,
+-    5,
+-]
 +[1, 2, 3]
 +[NOT_YET_IMPLEMENTED_ExprStarred]
 +[NOT_YET_IMPLEMENTED_ExprStarred]
@@ -644,17 +638,6 @@ last_call()
 -g = 1, *"ten"
 -what_is_up_with_those_new_coord_names = (coord_names + set(vars_to_create)) + set(
 -    vars_to_remove
--)
--what_is_up_with_those_new_coord_names = (coord_names | set(vars_to_create)) - set(
--    vars_to_remove
--)
--result = (
--    session.query(models.Customer.id)
--    .filter(
--        models.Customer.account_id == account_id, models.Customer.email == email_address
--    )
--    .order_by(models.Customer.id.asc())
--    .all()
 +e = NOT_IMPLEMENTED_call()
 +f = 1, NOT_YET_IMPLEMENTED_ExprStarred
 +g = 1, NOT_YET_IMPLEMENTED_ExprStarred
@@ -662,6 +645,20 @@ last_call()
 +    (coord_names + NOT_IMPLEMENTED_call())
 +    + NOT_IMPLEMENTED_call()
  )
+-what_is_up_with_those_new_coord_names = (coord_names | set(vars_to_create)) - set(
+-    vars_to_remove
++what_is_up_with_those_new_coord_names = (
++    (coord_names | NOT_IMPLEMENTED_call())
++    - NOT_IMPLEMENTED_call()
+ )
+-result = (
+-    session.query(models.Customer.id)
+-    .filter(
+-        models.Customer.account_id == account_id, models.Customer.email == email_address
+-    )
+-    .order_by(models.Customer.id.asc())
+-    .all()
+-)
 -result = (
 -    session.query(models.Customer.id)
 -    .filter(
@@ -671,10 +668,7 @@ last_call()
 -        models.Customer.id.asc(),
 -    )
 -    .all()
-+what_is_up_with_those_new_coord_names = (
-+    (coord_names | NOT_IMPLEMENTED_call())
-+    - NOT_IMPLEMENTED_call()
- )
+-)
 -Ø = set()
 -authors.łukasz.say_thanks()
 +result = NOT_IMPLEMENTED_call()
@@ -714,6 +708,14 @@ last_call()
 -for (x,) in (1,), (2,), (3,):
 -    ...
 -for y in ():
+-    ...
+-for z in (i for i in (1, 2, 3)):
+-    ...
+-for i in call():
+-    ...
+-for j in 1 + (2 + 3):
+-    ...
+-while this and that:
 +NOT_IMPLEMENTED_call()
 +NOT_IMPLEMENTED_call()
 +NOT_IMPLEMENTED_call()
@@ -727,14 +729,6 @@ last_call()
 +NOT_YET_IMPLEMENTED_StmtFor
 +while NOT_IMPLEMENTED_bool_op1 and NOT_IMPLEMENTED_bool_op2:
      ...
--for z in (i for i in (1, 2, 3)):
--    ...
--for i in call():
--    ...
--for j in 1 + (2 + 3):
--    ...
--while this and that:
--    ...
 -for (
 -    addr_family,
 -    addr_type,
@@ -779,7 +773,7 @@ last_call()
  if (
 -    ~aaaa.a + aaaa.b - aaaa.c * aaaa.d / aaaa.e
 -    | aaaa.f & aaaa.g % aaaa.h ^ aaaa.i << aaaa.k >> aaaa.l**aaaa.m // aaaa.n
-+    NOT_YET_IMPLEMENTED_ExprUnaryOp
++    ~aaaa.NOT_IMPLEMENTED_attr
 +    + aaaa.NOT_IMPLEMENTED_attr
 +    - aaaa.NOT_IMPLEMENTED_attr * aaaa.NOT_IMPLEMENTED_attr / aaaa.NOT_IMPLEMENTED_attr
 +    | aaaa.NOT_IMPLEMENTED_attr
@@ -793,7 +787,7 @@ last_call()
 -    ~aaaaaaaa.a + aaaaaaaa.b - aaaaaaaa.c @ aaaaaaaa.d / aaaaaaaa.e
 -    | aaaaaaaa.f & aaaaaaaa.g % aaaaaaaa.h
 -    ^ aaaaaaaa.i << aaaaaaaa.k >> aaaaaaaa.l**aaaaaaaa.m // aaaaaaaa.n
-+    NOT_YET_IMPLEMENTED_ExprUnaryOp
++    ~aaaaaaaa.NOT_IMPLEMENTED_attr
 +    + aaaaaaaa.NOT_IMPLEMENTED_attr
 +    - aaaaaaaa.NOT_IMPLEMENTED_attr
 +    @ aaaaaaaa.NOT_IMPLEMENTED_attr
@@ -815,7 +809,7 @@ last_call()
 -    ^ aaaaaaaaaaaaaaaa.i
 -    << aaaaaaaaaaaaaaaa.k
 -    >> aaaaaaaaaaaaaaaa.l**aaaaaaaaaaaaaaaa.m // aaaaaaaaaaaaaaaa.n
-+    NOT_YET_IMPLEMENTED_ExprUnaryOp
++    ~aaaaaaaaaaaaaaaa.NOT_IMPLEMENTED_attr
 +    + aaaaaaaaaaaaaaaa.NOT_IMPLEMENTED_attr
 +    - aaaaaaaaaaaaaaaa.NOT_IMPLEMENTED_attr
 +    * aaaaaaaaaaaaaaaa.NOT_IMPLEMENTED_attr
@@ -874,13 +868,13 @@ v1 << 2
 1 % finished
 1 + v2 - v3 * 4 ^ 5**v6 / 7 // 8
 ((1 + v2) - (v3 * 4)) ^ (((5**v6) / 7) // 8)
-NOT_YET_IMPLEMENTED_ExprUnaryOp
-NOT_YET_IMPLEMENTED_ExprUnaryOp
-NOT_YET_IMPLEMENTED_ExprUnaryOp
-NOT_YET_IMPLEMENTED_ExprUnaryOp
+not great
+~great
++value
+-1
 NOT_IMPLEMENTED_bool_op1 and NOT_IMPLEMENTED_bool_op2
 NOT_IMPLEMENTED_bool_op1 and NOT_IMPLEMENTED_bool_op2
-NOT_YET_IMPLEMENTED_ExprUnaryOp
++really ** -confusing ** ~operator**-precedence
 NOT_IMPLEMENTED_bool_op1 and NOT_IMPLEMENTED_bool_op2
 lambda x: True
 lambda x: True
@@ -1146,7 +1140,7 @@ if (
 ):
     return True
 if (
-    NOT_YET_IMPLEMENTED_ExprUnaryOp
+    ~aaaa.NOT_IMPLEMENTED_attr
     + aaaa.NOT_IMPLEMENTED_attr
     - aaaa.NOT_IMPLEMENTED_attr * aaaa.NOT_IMPLEMENTED_attr / aaaa.NOT_IMPLEMENTED_attr
     | aaaa.NOT_IMPLEMENTED_attr
@@ -1157,7 +1151,7 @@ if (
 ):
     return True
 if (
-    NOT_YET_IMPLEMENTED_ExprUnaryOp
+    ~aaaaaaaa.NOT_IMPLEMENTED_attr
     + aaaaaaaa.NOT_IMPLEMENTED_attr
     - aaaaaaaa.NOT_IMPLEMENTED_attr
     @ aaaaaaaa.NOT_IMPLEMENTED_attr
@@ -1172,7 +1166,7 @@ if (
 ):
     return True
 if (
-    NOT_YET_IMPLEMENTED_ExprUnaryOp
+    ~aaaaaaaaaaaaaaaa.NOT_IMPLEMENTED_attr
     + aaaaaaaaaaaaaaaa.NOT_IMPLEMENTED_attr
     - aaaaaaaaaaaaaaaa.NOT_IMPLEMENTED_attr
     * aaaaaaaaaaaaaaaa.NOT_IMPLEMENTED_attr

crates/ruff_python_formatter/src/snapshots/ruff_python_formatter__tests__black_test__fmtonoff_py.snap

@@ -286,7 +286,7 @@ d={'a':1,
 +    c=[],
 +    d={},
 +    e=True,
-+    f=NOT_YET_IMPLEMENTED_ExprUnaryOp,
++    f=-1,
 +    g=NOT_IMPLEMENTED_true if NOT_IMPLEMENTED_cond else NOT_IMPLEMENTED_false,
 +    h="NOT_YET_IMPLEMENTED_STRING",
 +    i="NOT_YET_IMPLEMENTED_STRING",
@@ -296,15 +296,13 @@ d={'a':1,
  
  
  def spaces_types(
-@@ -50,77 +69,62 @@
-     c: list = [],
+@@ -51,76 +70,61 @@
      d: dict = {},
      e: bool = True,
--    f: int = -1,
+     f: int = -1,
 -    g: int = 1 if False else 2,
 -    h: str = "",
 -    i: str = r"",
-+    f: int = NOT_YET_IMPLEMENTED_ExprUnaryOp,
 +    g: int = NOT_IMPLEMENTED_true if NOT_IMPLEMENTED_cond else NOT_IMPLEMENTED_false,
 +    h: str = "NOT_YET_IMPLEMENTED_STRING",
 +    i: str = "NOT_YET_IMPLEMENTED_STRING",
@@ -425,13 +423,11 @@ d={'a':1,
 -                implicit_default=True,
 -            )
 -        )
-+        NOT_IMPLEMENTED_call()
-         # fmt: off
+-        # fmt: off
 -        a = (
 -            unnecessary_bracket()
 -        )
-+        a = NOT_IMPLEMENTED_call()
-         # fmt: on
+-        # fmt: on
 -    _type_comment_re = re.compile(
 -        r"""
 -        ^
@@ -452,9 +448,11 @@ d={'a':1,
 -        )
 -        $
 -        """,
--        # fmt: off
++        NOT_IMPLEMENTED_call()
+         # fmt: off
 -        re.MULTILINE|re.VERBOSE
--        # fmt: on
++        a = NOT_IMPLEMENTED_call()
+         # fmt: on
 -    )
 +    _type_comment_re = NOT_IMPLEMENTED_call()
  
@@ -563,7 +561,7 @@ def spaces(
     c=[],
     d={},
     e=True,
-    f=NOT_YET_IMPLEMENTED_ExprUnaryOp,
+    f=-1,
     g=NOT_IMPLEMENTED_true if NOT_IMPLEMENTED_cond else NOT_IMPLEMENTED_false,
     h="NOT_YET_IMPLEMENTED_STRING",
     i="NOT_YET_IMPLEMENTED_STRING",
@@ -578,7 +576,7 @@ def spaces_types(
     c: list = [],
     d: dict = {},
     e: bool = True,
-    f: int = NOT_YET_IMPLEMENTED_ExprUnaryOp,
+    f: int = -1,
     g: int = NOT_IMPLEMENTED_true if NOT_IMPLEMENTED_cond else NOT_IMPLEMENTED_false,
     h: str = "NOT_YET_IMPLEMENTED_STRING",
     i: str = "NOT_YET_IMPLEMENTED_STRING",

crates/ruff_python_formatter/src/snapshots/ruff_python_formatter__tests__black_test__function_py.snap

@@ -179,7 +179,7 @@ def __await__(): return (yield)
 +    c=[],
 +    d={},
 +    e=True,
-+    f=NOT_YET_IMPLEMENTED_ExprUnaryOp,
++    f=-1,
 +    g=NOT_IMPLEMENTED_true if NOT_IMPLEMENTED_cond else NOT_IMPLEMENTED_false,
 +    h="NOT_YET_IMPLEMENTED_STRING",
 +    i="NOT_YET_IMPLEMENTED_STRING",
@@ -189,15 +189,13 @@ def __await__(): return (yield)
  
  
  def spaces_types(
-@@ -55,71 +61,27 @@
-     c: list = [],
+@@ -56,70 +62,26 @@
      d: dict = {},
      e: bool = True,
--    f: int = -1,
+     f: int = -1,
 -    g: int = 1 if False else 2,
 -    h: str = "",
 -    i: str = r"",
-+    f: int = NOT_YET_IMPLEMENTED_ExprUnaryOp,
 +    g: int = NOT_IMPLEMENTED_true if NOT_IMPLEMENTED_cond else NOT_IMPLEMENTED_false,
 +    h: str = "NOT_YET_IMPLEMENTED_STRING",
 +    i: str = "NOT_YET_IMPLEMENTED_STRING",
@@ -341,7 +339,7 @@ def spaces(
     c=[],
     d={},
     e=True,
-    f=NOT_YET_IMPLEMENTED_ExprUnaryOp,
+    f=-1,
     g=NOT_IMPLEMENTED_true if NOT_IMPLEMENTED_cond else NOT_IMPLEMENTED_false,
     h="NOT_YET_IMPLEMENTED_STRING",
     i="NOT_YET_IMPLEMENTED_STRING",
@@ -356,7 +354,7 @@ def spaces_types(
     c: list = [],
     d: dict = {},
     e: bool = True,
-    f: int = NOT_YET_IMPLEMENTED_ExprUnaryOp,
+    f: int = -1,
     g: int = NOT_IMPLEMENTED_true if NOT_IMPLEMENTED_cond else NOT_IMPLEMENTED_false,
     h: str = "NOT_YET_IMPLEMENTED_STRING",
     i: str = "NOT_YET_IMPLEMENTED_STRING",

crates/ruff_python_formatter/src/snapshots/ruff_python_formatter__tests__black_test__power_op_spacing_py.snap

@@ -76,13 +76,13 @@ return np.divide(
 ```diff
 --- Black
 +++ Ruff
-@@ -11,53 +11,46 @@
-     {**a, **b, **c}
+@@ -12,52 +12,45 @@
  
  
--a = 5**~4
+ a = 5**~4
 -b = 5 ** f()
--c = -(5**2)
++b = 5 ** NOT_IMPLEMENTED_call()
+ c = -(5**2)
 -d = 5 ** f["hi"]
 -e = lazy(lambda **kwargs: 5)
 -f = f() ** 5
@@ -92,9 +92,6 @@ return np.divide(
 -j = super().name ** 5
 -k = [(2**idx, value) for idx, value in pairs]
 -l = mod.weights_[0] == pytest.approx(0.95**100, abs=0.001)
-+a = 5**NOT_YET_IMPLEMENTED_ExprUnaryOp
-+b = 5 ** NOT_IMPLEMENTED_call()
-+c = NOT_YET_IMPLEMENTED_ExprUnaryOp
 +d = 5 ** NOT_IMPLEMENTED_value[NOT_IMPLEMENTED_key]
 +e = NOT_IMPLEMENTED_call()
 +f = NOT_IMPLEMENTED_call() ** 5
@@ -115,9 +112,10 @@ return np.divide(
 +q = [i for i in []]
  r = x**y
  
--a = 5.0**~4.0
+ a = 5.0**~4.0
 -b = 5.0 ** f()
--c = -(5.0**2.0)
++b = 5.0 ** NOT_IMPLEMENTED_call()
+ c = -(5.0**2.0)
 -d = 5.0 ** f["hi"]
 -e = lazy(lambda **kwargs: 5)
 -f = f() ** 5.0
@@ -127,9 +125,6 @@ return np.divide(
 -j = super().name ** 5.0
 -k = [(2.0**idx, value) for idx, value in pairs]
 -l = mod.weights_[0] == pytest.approx(0.95**100, abs=0.001)
-+a = 5.0**NOT_YET_IMPLEMENTED_ExprUnaryOp
-+b = 5.0 ** NOT_IMPLEMENTED_call()
-+c = NOT_YET_IMPLEMENTED_ExprUnaryOp
 +d = 5.0 ** NOT_IMPLEMENTED_value[NOT_IMPLEMENTED_key]
 +e = NOT_IMPLEMENTED_call()
 +f = NOT_IMPLEMENTED_call() ** 5.0
@@ -183,9 +178,9 @@ def function_dont_replace_spaces():
     {**a, **b, **c}
 
 
-a = 5**NOT_YET_IMPLEMENTED_ExprUnaryOp
+a = 5**~4
 b = 5 ** NOT_IMPLEMENTED_call()
-c = NOT_YET_IMPLEMENTED_ExprUnaryOp
+c = -(5**2)
 d = 5 ** NOT_IMPLEMENTED_value[NOT_IMPLEMENTED_key]
 e = NOT_IMPLEMENTED_call()
 f = NOT_IMPLEMENTED_call() ** 5
@@ -202,9 +197,9 @@ p = {NOT_IMPLEMENTED_dict_key: NOT_IMPLEMENTED_dict_value for key, value in NOT_
 q = [i for i in []]
 r = x**y
 
-a = 5.0**NOT_YET_IMPLEMENTED_ExprUnaryOp
+a = 5.0**~4.0
 b = 5.0 ** NOT_IMPLEMENTED_call()
-c = NOT_YET_IMPLEMENTED_ExprUnaryOp
+c = -(5.0**2.0)
 d = 5.0 ** NOT_IMPLEMENTED_value[NOT_IMPLEMENTED_key]
 e = NOT_IMPLEMENTED_call()
 f = NOT_IMPLEMENTED_call() ** 5.0

crates/ruff_python_formatter/src/snapshots/ruff_python_formatter__tests__ruff_test__expression__binary_py.snap

@@ -251,7 +251,7 @@ aaaaaaaaaaaaaa + NOT_YET_IMPLEMENTED_ExprSetComp
 
 
 # But only for expressions that have a statement parent.
-NOT_YET_IMPLEMENTED_ExprUnaryOp
+not (aaaaaaaaaaaaaa + NOT_YET_IMPLEMENTED_ExprSetComp)
 [NOT_IMPLEMENTED_left < NOT_IMPLEMENTED_right]
 
 

crates/ruff_python_formatter/src/snapshots/ruff_python_formatter__tests__ruff_test__expression__unary_py.snap

@@ -0,0 +1,302 @@
+---
+source: crates/ruff_python_formatter/src/lib.rs
+expression: snapshot
+---
+## Input
+```py
+if not aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb:
+    pass
+
+a = True
+not a
+
+b = 10
+-b
++b
+
+## Leading operand comments
+
+if not (
+    # comment
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+):
+    pass
+
+
+if ~(
+    # comment
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb):
+    pass
+
+if -(
+    # comment
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb):
+    pass
+
+
+if +(
+    # comment
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb):
+    pass
+
+if (
+    not
+    # comment
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+):
+    pass
+
+
+if (
+    ~
+    # comment
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb):
+    pass
+
+if (
+    -
+    # comment
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb):
+    pass
+
+
+if (
+    +
+    # comment
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb):
+    pass
+
+## Parentheses
+
+if (
+    # unary comment
+    not
+    # operand comment
+    (
+        # comment
+        aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+        + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+    )
+):
+    pass
+
+if (not (
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+    + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+)
+):
+    pass
+
+if aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa & (not (
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+    + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+)
+):
+    pass
+
+if (
+    not (
+            aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+            + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+        )
+        & aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+):
+    pass
+
+
+## Trailing operator comments
+
+if (
+    not # comment
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+    + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+):
+    pass
+
+
+if (
+    ~ # comment
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+    + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+):
+    pass
+
+if (
+    - # comment
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+    + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+):
+    pass
+
+
+if (
+    + # comment
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+    + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+):
+    pass
+
+
+## Varia
+
+if not \
+    a:
+    pass
+```
+
+
+
+## Output
+```py
+if (
+    not aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+    + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+):
+    pass
+
+a = True
+not a
+
+b = 10
+-b
++b
+
+## Leading operand comments
+
+if not (
+    # comment
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+    + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+):
+    pass
+
+
+if ~(
+    # comment
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+    + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+):
+    pass
+
+if -(
+    # comment
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+    + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+):
+    pass
+
+
+if +(
+    # comment
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+    + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+):
+    pass
+
+if (
+    not
+    # comment
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+    + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+):
+    pass
+
+
+if (
+    ~
+    # comment
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+    + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+):
+    pass
+
+if (
+    -
+    # comment
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+    + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+):
+    pass
+
+
+if (
+    +
+    # comment
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+    + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+):
+    pass
+
+## Parentheses
+
+if (
+    # unary comment
+    not (
+        # operand comment
+        # comment
+        aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+        + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+    )
+):
+    pass
+
+if not (
+    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+    + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+):
+    pass
+
+if aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa & (
+    not (
+        aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+        + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+    )
+):
+    pass
+
+if (
+    not (
+        aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+        + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+    )
+    & aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+):
+    pass
+
+
+## Trailing operator comments
+
+if (
+    not aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa  # comment
+    + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+):
+    pass
+
+
+if (
+    ~aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa  # comment
+    + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+):
+    pass
+
+if (
+    -aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa  # comment
+    + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+):
+    pass
+
+
+if (
+    +aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa  # comment
+    + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+):
+    pass
+
+
+## Varia
+
+if not a:
+    pass
+```
+
+