"""
import sys
-
from dataclasses import dataclass, field
from enum import Enum, auto
+from hashlib import sha256
from operator import attrgetter
from typing import Dict, Set
from warnings import warn
PY38 = 8
PY39 = 9
PY310 = 10
+ PY311 = 11
class Feature(Enum):
PATTERN_MATCHING = 11
UNPACKING_ON_FLOW = 12
ANN_ASSIGN_EXTENDED_RHS = 13
+ EXCEPT_STAR = 14
+ VARIADIC_GENERICS = 15
+ DEBUG_F_STRINGS = 16
FORCE_OPTIONAL_PARENTHESES = 50
# __future__ flags
},
TargetVersion.PY38: {
Feature.F_STRINGS,
+ Feature.DEBUG_F_STRINGS,
Feature.NUMERIC_UNDERSCORES,
Feature.TRAILING_COMMA_IN_CALL,
Feature.TRAILING_COMMA_IN_DEF,
},
TargetVersion.PY39: {
Feature.F_STRINGS,
+ Feature.DEBUG_F_STRINGS,
Feature.NUMERIC_UNDERSCORES,
Feature.TRAILING_COMMA_IN_CALL,
Feature.TRAILING_COMMA_IN_DEF,
},
TargetVersion.PY310: {
Feature.F_STRINGS,
+ Feature.DEBUG_F_STRINGS,
+ Feature.NUMERIC_UNDERSCORES,
+ Feature.TRAILING_COMMA_IN_CALL,
+ Feature.TRAILING_COMMA_IN_DEF,
+ Feature.ASYNC_KEYWORDS,
+ Feature.FUTURE_ANNOTATIONS,
+ Feature.ASSIGNMENT_EXPRESSIONS,
+ Feature.RELAXED_DECORATORS,
+ Feature.POS_ONLY_ARGUMENTS,
+ Feature.UNPACKING_ON_FLOW,
+ Feature.ANN_ASSIGN_EXTENDED_RHS,
+ Feature.PATTERN_MATCHING,
+ },
+ TargetVersion.PY311: {
+ Feature.F_STRINGS,
+ Feature.DEBUG_F_STRINGS,
Feature.NUMERIC_UNDERSCORES,
Feature.TRAILING_COMMA_IN_CALL,
Feature.TRAILING_COMMA_IN_DEF,
Feature.UNPACKING_ON_FLOW,
Feature.ANN_ASSIGN_EXTENDED_RHS,
Feature.PATTERN_MATCHING,
+ Feature.EXCEPT_STAR,
+ Feature.VARIADIC_GENERICS,
},
}
class Preview(Enum):
"""Individual preview style features."""
+ 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()
+ 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()
- hug_simple_powers = auto()
+ skip_magic_trailing_comma_in_subscript = auto()
+ wrap_long_dict_values_in_parens = auto()
class Deprecated(UserWarning):
string_normalization: bool = True
is_pyi: bool = False
is_ipynb: bool = False
+ skip_source_first_line: bool = False
magic_trailing_comma: bool = True
experimental_string_processing: bool = False
+ python_cell_magics: Set[str] = field(default_factory=set)
preview: bool = False
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,
)
str(int(self.string_normalization)),
str(int(self.is_pyi)),
str(int(self.is_ipynb)),
+ str(int(self.skip_source_first_line)),
str(int(self.magic_trailing_comma)),
str(int(self.experimental_string_processing)),
str(int(self.preview)),
+ sha256((",".join(sorted(self.python_cell_magics))).encode()).hexdigest(),
]
return ".".join(parts)