Use debug f-strings for feature detection (#3215)

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

diff --git a/src/black/mode.py b/src/black/mode.py
index b6d1a1fbbefee01c8cce696acfb20494265f10fb..f6d0cbf62bd46b579fec3520618e6c1c8b117ceb 100644 (file)
--- a/src/black/mode.py
+++ b/src/black/mode.py
@@ -5,9 +5,9 @@ chosen by the user.
 """
 
 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
@@ -29,6 +29,7 @@ class TargetVersion(Enum):
     PY38 = 8
     PY39 = 9
     PY310 = 10
+    PY311 = 11
 
 
 class Feature(Enum):
@@ -46,6 +47,9 @@ 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
@@ -78,6 +82,7 @@ VERSION_TO_FEATURES: Dict[TargetVersion, Set[Feature]] = {
     },
     TargetVersion.PY38: {
         Feature.F_STRINGS,
+        Feature.DEBUG_F_STRINGS,
         Feature.NUMERIC_UNDERSCORES,
         Feature.TRAILING_COMMA_IN_CALL,
         Feature.TRAILING_COMMA_IN_DEF,
@@ -90,6 +95,7 @@ VERSION_TO_FEATURES: Dict[TargetVersion, Set[Feature]] = {
     },
     TargetVersion.PY39: {
         Feature.F_STRINGS,
+        Feature.DEBUG_F_STRINGS,
         Feature.NUMERIC_UNDERSCORES,
         Feature.TRAILING_COMMA_IN_CALL,
         Feature.TRAILING_COMMA_IN_DEF,
@@ -103,6 +109,22 @@ VERSION_TO_FEATURES: Dict[TargetVersion, Set[Feature]] = {
     },
     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,
@@ -114,6 +136,8 @@ VERSION_TO_FEATURES: Dict[TargetVersion, Set[Feature]] = {
         Feature.UNPACKING_ON_FLOW,
         Feature.ANN_ASSIGN_EXTENDED_RHS,
         Feature.PATTERN_MATCHING,
+        Feature.EXCEPT_STAR,
+        Feature.VARIADIC_GENERICS,
     },
 }
 
@@ -125,8 +149,13 @@ def supports_feature(target_versions: Set[TargetVersion], feature: Feature) -> b
 class Preview(Enum):
     """Individual preview style features."""
 
+    annotation_parens = 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()
     string_processing = auto()
-    hug_simple_powers = auto()
 
 
 class Deprecated(UserWarning):
@@ -142,6 +171,7 @@ class Mode:
     is_ipynb: 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:
@@ -180,5 +210,6 @@ class Mode:
             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)