EXCEPT_STAR = 14
VARIADIC_GENERICS = 15
DEBUG_F_STRINGS = 16
+ PARENTHESIZED_CONTEXT_MANAGERS = 17
FORCE_OPTIONAL_PARENTHESES = 50
# __future__ flags
Feature.POS_ONLY_ARGUMENTS,
Feature.UNPACKING_ON_FLOW,
Feature.ANN_ASSIGN_EXTENDED_RHS,
+ Feature.PARENTHESIZED_CONTEXT_MANAGERS,
},
TargetVersion.PY310: {
Feature.F_STRINGS,
Feature.POS_ONLY_ARGUMENTS,
Feature.UNPACKING_ON_FLOW,
Feature.ANN_ASSIGN_EXTENDED_RHS,
+ Feature.PARENTHESIZED_CONTEXT_MANAGERS,
Feature.PATTERN_MATCHING,
},
TargetVersion.PY311: {
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,
class Preview(Enum):
"""Individual preview style features."""
+ hex_codes_in_unicode_sequences = auto()
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):
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,
)