Restore indent.py (#21094)

crates/ruff_python_formatter/resources/test/fixtures/ruff/fmt_on_off/indent.py

@@ -0,0 +1,55 @@
+def test():
+ # fmt: off
+ a_very_small_indent
+ (
+not_fixed
+ )
+
+ if True:
+  pass
+  more
+ # fmt: on
+
+ formatted
+
+ def test():
+  a_small_indent
+  # fmt: off
+# fix under-indented comments
+  (or_the_inner_expression +
+expressions
+   )
+
+  if True:
+   pass
+  # fmt: on
+
+
+# fmt: off
+def test():
+  pass
+
+  # It is necessary to indent comments because the following fmt: on comment because it otherwise becomes a trailing comment
+  # of the `test` function if the "proper" indentation is larger than 2 spaces.
+  # fmt: on
+
+disabled +  formatting;
+
+# fmt: on
+
+formatted;
+
+def test():
+  pass
+  # fmt: off
+  """A multiline strings
+      that should not get formatted"""
+
+  "A single quoted multiline \
+       string"
+
+  disabled +  formatting;
+
+# fmt: on
+
+formatted;

crates/ruff_python_formatter/tests/snapshots/format@fmt_on_off__indent.py.snap

@@ -4,6 +4,61 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/fmt_on_off
 ---
 ## Input
 ```python
+def test():
+ # fmt: off
+ a_very_small_indent
+ (
+not_fixed
+ )
+
+ if True:
+  pass
+  more
+ # fmt: on
+
+ formatted
+
+ def test():
+  a_small_indent
+  # fmt: off
+# fix under-indented comments
+  (or_the_inner_expression +
+expressions
+   )
+
+  if True:
+   pass
+  # fmt: on
+
+
+# fmt: off
+def test():
+  pass
+
+  # It is necessary to indent comments because the following fmt: on comment because it otherwise becomes a trailing comment
+  # of the `test` function if the "proper" indentation is larger than 2 spaces.
+  # fmt: on
+
+disabled +  formatting;
+
+# fmt: on
+
+formatted;
+
+def test():
+  pass
+  # fmt: off
+  """A multiline strings
+      that should not get formatted"""
+
+  "A single quoted multiline \
+       string"
+
+  disabled +  formatting;
+
+# fmt: on
+
+formatted;
 ```
 
 ## Outputs
@@ -23,6 +78,63 @@ source_type                = Python
 ```
 
 ```python
+def test():
+    # fmt: off
+    a_very_small_indent
+    (
+not_fixed
+ )
+
+    if True:
+     pass
+     more
+    # fmt: on
+
+    formatted
+
+    def test():
+        a_small_indent
+        # fmt: off
+        # fix under-indented comments
+        (or_the_inner_expression +
+expressions
+   )
+
+        if True:
+         pass
+        # fmt: on
+
+
+# fmt: off
+def test():
+  pass
+
+  # It is necessary to indent comments because the following fmt: on comment because it otherwise becomes a trailing comment
+  # of the `test` function if the "proper" indentation is larger than 2 spaces.
+  # fmt: on
+
+disabled +  formatting;
+
+# fmt: on
+
+formatted
+
+
+def test():
+    pass
+    # fmt: off
+    """A multiline strings
+      that should not get formatted"""
+
+    "A single quoted multiline \
+       string"
+
+    disabled +  formatting;
+
+
+# fmt: on
+
+formatted
 ```
 
 
@@ -42,6 +154,63 @@ source_type                = Python
 ```
 
 ```python
+def test():
+ # fmt: off
+ a_very_small_indent
+ (
+not_fixed
+ )
+
+ if True:
+  pass
+  more
+ # fmt: on
+
+ formatted
+
+ def test():
+  a_small_indent
+  # fmt: off
+  # fix under-indented comments
+  (or_the_inner_expression +
+expressions
+   )
+
+  if True:
+   pass
+  # fmt: on
+
+
+# fmt: off
+def test():
+  pass
+
+  # It is necessary to indent comments because the following fmt: on comment because it otherwise becomes a trailing comment
+  # of the `test` function if the "proper" indentation is larger than 2 spaces.
+  # fmt: on
+
+disabled +  formatting;
+
+# fmt: on
+
+formatted
+
+
+def test():
+ pass
+ # fmt: off
+ """A multiline strings
+      that should not get formatted"""
+
+ "A single quoted multiline \
+       string"
+
+ disabled +  formatting;
+
+
+# fmt: on
+
+formatted
 ```
 
 
@@ -61,4 +230,61 @@ source_type                = Python
 ```
 
 ```python
+def test():
+	# fmt: off
+	a_very_small_indent
+	(
+not_fixed
+ )
+
+	if True:
+	 pass
+	 more
+	# fmt: on
+
+	formatted
+
+	def test():
+		a_small_indent
+		# fmt: off
+		# fix under-indented comments
+		(or_the_inner_expression +
+expressions
+   )
+
+		if True:
+		 pass
+		# fmt: on
+
+
+# fmt: off
+def test():
+  pass
+
+  # It is necessary to indent comments because the following fmt: on comment because it otherwise becomes a trailing comment
+  # of the `test` function if the "proper" indentation is larger than 2 spaces.
+  # fmt: on
+
+disabled +  formatting;
+
+# fmt: on
+
+formatted
+
+
+def test():
+	pass
+	# fmt: off
+	"""A multiline strings
+      that should not get formatted"""
+
+	"A single quoted multiline \
+       string"
+
+	disabled +  formatting;
+
+
+# fmt: on
+
+formatted
 ```