Support as-expressions on dict items (GH-2686)

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

diff --git a/src/black/mode.py b/src/black/mode.py
index 374c47a42eb0a661e28eb097dccb17e102582a3a..e2417531240b7c38ae0a61d782a84f9cdf9ee7fd 100644 (file)
--- a/src/black/mode.py
+++ b/src/black/mode.py
@@ -6,6 +6,7 @@ chosen by the user.
 
 from dataclasses import dataclass, field
 from enum import Enum
+from operator import attrgetter
 from typing import Dict, Set
 
 from black.const import DEFAULT_LINE_LENGTH
@@ -20,6 +21,7 @@ class TargetVersion(Enum):
     PY37 = 7
     PY38 = 8
     PY39 = 9
+    PY310 = 10
 
     def is_python2(self) -> bool:
         return self is TargetVersion.PY27
@@ -39,11 +41,18 @@ class Feature(Enum):
     ASSIGNMENT_EXPRESSIONS = 8
     POS_ONLY_ARGUMENTS = 9
     RELAXED_DECORATORS = 10
+    PATTERN_MATCHING = 11
     FORCE_OPTIONAL_PARENTHESES = 50
 
     # temporary for Python 2 deprecation
     PRINT_STMT = 200
     EXEC_STMT = 201
+    AUTOMATIC_PARAMETER_UNPACKING = 202
+    COMMA_STYLE_EXCEPT = 203
+    COMMA_STYLE_RAISE = 204
+    LONG_INT_LITERAL = 205
+    OCTAL_INT_LITERAL = 206
+    BACKQUOTE_REPR = 207
 
 
 VERSION_TO_FEATURES: Dict[TargetVersion, Set[Feature]] = {
@@ -51,6 +60,12 @@ VERSION_TO_FEATURES: Dict[TargetVersion, Set[Feature]] = {
         Feature.ASYNC_IDENTIFIERS,
         Feature.PRINT_STMT,
         Feature.EXEC_STMT,
+        Feature.AUTOMATIC_PARAMETER_UNPACKING,
+        Feature.COMMA_STYLE_EXCEPT,
+        Feature.COMMA_STYLE_RAISE,
+        Feature.LONG_INT_LITERAL,
+        Feature.OCTAL_INT_LITERAL,
+        Feature.BACKQUOTE_REPR,
     },
     TargetVersion.PY33: {Feature.UNICODE_LITERALS, Feature.ASYNC_IDENTIFIERS},
     TargetVersion.PY34: {Feature.UNICODE_LITERALS, Feature.ASYNC_IDENTIFIERS},
@@ -96,6 +111,18 @@ VERSION_TO_FEATURES: Dict[TargetVersion, Set[Feature]] = {
         Feature.RELAXED_DECORATORS,
         Feature.POS_ONLY_ARGUMENTS,
     },
+    TargetVersion.PY310: {
+        Feature.UNICODE_LITERALS,
+        Feature.F_STRINGS,
+        Feature.NUMERIC_UNDERSCORES,
+        Feature.TRAILING_COMMA_IN_CALL,
+        Feature.TRAILING_COMMA_IN_DEF,
+        Feature.ASYNC_KEYWORDS,
+        Feature.ASSIGNMENT_EXPRESSIONS,
+        Feature.RELAXED_DECORATORS,
+        Feature.POS_ONLY_ARGUMENTS,
+        Feature.PATTERN_MATCHING,
+    },
 }
 
 
@@ -117,7 +144,7 @@ class Mode:
         if self.target_versions:
             version_str = ",".join(
                 str(version.value)
-                for version in sorted(self.target_versions, key=lambda v: v.value)
+                for version in sorted(self.target_versions, key=attrgetter("value"))
             )
         else:
             version_str = "-"