Wrap multiple context managers in parentheses when targeting Python 3.9+ (#3489)

[etc/vim.git] / src / black / mode.py

diff --git a/src/black/mode.py b/src/black/mode.py
index 1e83f2a9c6dbc2f38663b58e2f237c21ec3d66be..af0706e6a0b2a425b1c312625b2657867eae4e46 100644 (file)
--- a/src/black/mode.py
+++ b/src/black/mode.py
@@ -50,6 +50,7 @@ class Feature(Enum):
     EXCEPT_STAR = 14
     VARIADIC_GENERICS = 15
     DEBUG_F_STRINGS = 16
+    PARENTHESIZED_CONTEXT_MANAGERS = 17
     FORCE_OPTIONAL_PARENTHESES = 50
 
     # __future__ flags
@@ -106,6 +107,7 @@ VERSION_TO_FEATURES: Dict[TargetVersion, Set[Feature]] = {
         Feature.POS_ONLY_ARGUMENTS,
         Feature.UNPACKING_ON_FLOW,
         Feature.ANN_ASSIGN_EXTENDED_RHS,
+        Feature.PARENTHESIZED_CONTEXT_MANAGERS,
     },
     TargetVersion.PY310: {
         Feature.F_STRINGS,
@@ -120,6 +122,7 @@ VERSION_TO_FEATURES: Dict[TargetVersion, Set[Feature]] = {
         Feature.POS_ONLY_ARGUMENTS,
         Feature.UNPACKING_ON_FLOW,
         Feature.ANN_ASSIGN_EXTENDED_RHS,
+        Feature.PARENTHESIZED_CONTEXT_MANAGERS,
         Feature.PATTERN_MATCHING,
     },
     TargetVersion.PY311: {
@@ -135,6 +138,7 @@ VERSION_TO_FEATURES: Dict[TargetVersion, Set[Feature]] = {
         Feature.POS_ONLY_ARGUMENTS,
         Feature.UNPACKING_ON_FLOW,
         Feature.ANN_ASSIGN_EXTENDED_RHS,
+        Feature.PARENTHESIZED_CONTEXT_MANAGERS,
         Feature.PATTERN_MATCHING,
         Feature.EXCEPT_STAR,
         Feature.VARIADIC_GENERICS,
@@ -151,13 +155,20 @@ class Preview(Enum):
 
     annotation_parens = auto()
     empty_lines_before_class_or_def_with_leading_comments = auto()
+    handle_trailing_commas_in_head = auto()
     long_docstring_quotes_on_newline = auto()
     normalize_docstring_quotes_and_prefixes_properly = auto()
     one_element_subscript = auto()
+    prefer_splitting_right_hand_side_of_assignments = auto()
     remove_block_trailing_newline = auto()
     remove_redundant_parens = auto()
+    # NOTE: string_processing requires wrap_long_dict_values_in_parens
+    # for https://github.com/psf/black/issues/3117 to be fixed.
     string_processing = auto()
+    parenthesize_conditional_expressions = auto()
     skip_magic_trailing_comma_in_subscript = auto()
+    wrap_long_dict_values_in_parens = auto()
+    wrap_multiple_context_managers_in_parens = auto()
 
 
 class Deprecated(UserWarning):
@@ -180,8 +191,10 @@ class Mode:
     def __post_init__(self) -> None:
         if self.experimental_string_processing:
             warn(
-                "`experimental string processing` has been included in `preview`"
-                " and deprecated. Use `preview` instead.",
+                (
+                    "`experimental string processing` has been included in `preview`"
+                    " and deprecated. Use `preview` instead."
+                ),
                 Deprecated,
             )