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Speed up new backtracking parser (#2728)
[etc/vim.git] / src / black / mode.py
diff --git a/src/black/mode.py b/src/black/mode.py
index b28dcd8d1494eee4c171b9a58a0f1faea29649e7..5e04525cfc989a5619255e4119581c7c263761d0 100644 (file)
--- a/src/black/mode.py
+++ b/src/black/mode.py
@@ -20,7 +20,6 @@ from black.const import DEFAULT_LINE_LENGTH
 
 
 class TargetVersion(Enum):
 
 
 class TargetVersion(Enum):
-    PY27 = 2
     PY33 = 3
     PY34 = 4
     PY35 = 5
     PY33 = 3
     PY34 = 4
     PY35 = 5
@@ -30,13 +29,8 @@ class TargetVersion(Enum):
     PY39 = 9
     PY310 = 10
 
     PY39 = 9
     PY310 = 10
 
-    def is_python2(self) -> bool:
-        return self is TargetVersion.PY27
-
 
 class Feature(Enum):
 
 class Feature(Enum):
-    # All string literals are unicode
-    UNICODE_LITERALS = 1
     F_STRINGS = 2
     NUMERIC_UNDERSCORES = 3
     TRAILING_COMMA_IN_CALL = 4
     F_STRINGS = 2
     NUMERIC_UNDERSCORES = 3
     TRAILING_COMMA_IN_CALL = 4
@@ -50,21 +44,12 @@ class Feature(Enum):
     RELAXED_DECORATORS = 10
     PATTERN_MATCHING = 11
     UNPACKING_ON_FLOW = 12
     RELAXED_DECORATORS = 10
     PATTERN_MATCHING = 11
     UNPACKING_ON_FLOW = 12
+    ANN_ASSIGN_EXTENDED_RHS = 13
     FORCE_OPTIONAL_PARENTHESES = 50
 
     # __future__ flags
     FUTURE_ANNOTATIONS = 51
 
     FORCE_OPTIONAL_PARENTHESES = 50
 
     # __future__ flags
     FUTURE_ANNOTATIONS = 51
 
-    # 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
-
 
 FUTURE_FLAG_TO_FEATURE: Final = {
     "annotations": Feature.FUTURE_ANNOTATIONS,
 
 FUTURE_FLAG_TO_FEATURE: Final = {
     "annotations": Feature.FUTURE_ANNOTATIONS,
@@ -72,26 +57,10 @@ FUTURE_FLAG_TO_FEATURE: Final = {
 
 
 VERSION_TO_FEATURES: Dict[TargetVersion, Set[Feature]] = {
 
 
 VERSION_TO_FEATURES: Dict[TargetVersion, Set[Feature]] = {
-    TargetVersion.PY27: {
-        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},
-    TargetVersion.PY35: {
-        Feature.UNICODE_LITERALS,
-        Feature.TRAILING_COMMA_IN_CALL,
-        Feature.ASYNC_IDENTIFIERS,
-    },
+    TargetVersion.PY33: {Feature.ASYNC_IDENTIFIERS},
+    TargetVersion.PY34: {Feature.ASYNC_IDENTIFIERS},
+    TargetVersion.PY35: {Feature.TRAILING_COMMA_IN_CALL, Feature.ASYNC_IDENTIFIERS},
     TargetVersion.PY36: {
     TargetVersion.PY36: {
-        Feature.UNICODE_LITERALS,
         Feature.F_STRINGS,
         Feature.NUMERIC_UNDERSCORES,
         Feature.TRAILING_COMMA_IN_CALL,
         Feature.F_STRINGS,
         Feature.NUMERIC_UNDERSCORES,
         Feature.TRAILING_COMMA_IN_CALL,
@@ -99,7 +68,6 @@ VERSION_TO_FEATURES: Dict[TargetVersion, Set[Feature]] = {
         Feature.ASYNC_IDENTIFIERS,
     },
     TargetVersion.PY37: {
         Feature.ASYNC_IDENTIFIERS,
     },
     TargetVersion.PY37: {
-        Feature.UNICODE_LITERALS,
         Feature.F_STRINGS,
         Feature.NUMERIC_UNDERSCORES,
         Feature.TRAILING_COMMA_IN_CALL,
         Feature.F_STRINGS,
         Feature.NUMERIC_UNDERSCORES,
         Feature.TRAILING_COMMA_IN_CALL,
@@ -108,7 +76,6 @@ VERSION_TO_FEATURES: Dict[TargetVersion, Set[Feature]] = {
         Feature.FUTURE_ANNOTATIONS,
     },
     TargetVersion.PY38: {
         Feature.FUTURE_ANNOTATIONS,
     },
     TargetVersion.PY38: {
-        Feature.UNICODE_LITERALS,
         Feature.F_STRINGS,
         Feature.NUMERIC_UNDERSCORES,
         Feature.TRAILING_COMMA_IN_CALL,
         Feature.F_STRINGS,
         Feature.NUMERIC_UNDERSCORES,
         Feature.TRAILING_COMMA_IN_CALL,
@@ -118,9 +85,9 @@ VERSION_TO_FEATURES: Dict[TargetVersion, Set[Feature]] = {
         Feature.ASSIGNMENT_EXPRESSIONS,
         Feature.POS_ONLY_ARGUMENTS,
         Feature.UNPACKING_ON_FLOW,
         Feature.ASSIGNMENT_EXPRESSIONS,
         Feature.POS_ONLY_ARGUMENTS,
         Feature.UNPACKING_ON_FLOW,
+        Feature.ANN_ASSIGN_EXTENDED_RHS,
     },
     TargetVersion.PY39: {
     },
     TargetVersion.PY39: {
-        Feature.UNICODE_LITERALS,
         Feature.F_STRINGS,
         Feature.NUMERIC_UNDERSCORES,
         Feature.TRAILING_COMMA_IN_CALL,
         Feature.F_STRINGS,
         Feature.NUMERIC_UNDERSCORES,
         Feature.TRAILING_COMMA_IN_CALL,
@@ -131,9 +98,9 @@ VERSION_TO_FEATURES: Dict[TargetVersion, Set[Feature]] = {
         Feature.RELAXED_DECORATORS,
         Feature.POS_ONLY_ARGUMENTS,
         Feature.UNPACKING_ON_FLOW,
         Feature.RELAXED_DECORATORS,
         Feature.POS_ONLY_ARGUMENTS,
         Feature.UNPACKING_ON_FLOW,
+        Feature.ANN_ASSIGN_EXTENDED_RHS,
     },
     TargetVersion.PY310: {
     },
     TargetVersion.PY310: {
-        Feature.UNICODE_LITERALS,
         Feature.F_STRINGS,
         Feature.NUMERIC_UNDERSCORES,
         Feature.TRAILING_COMMA_IN_CALL,
         Feature.F_STRINGS,
         Feature.NUMERIC_UNDERSCORES,
         Feature.TRAILING_COMMA_IN_CALL,
@@ -144,6 +111,7 @@ VERSION_TO_FEATURES: Dict[TargetVersion, Set[Feature]] = {
         Feature.RELAXED_DECORATORS,
         Feature.POS_ONLY_ARGUMENTS,
         Feature.UNPACKING_ON_FLOW,
         Feature.RELAXED_DECORATORS,
         Feature.POS_ONLY_ARGUMENTS,
         Feature.UNPACKING_ON_FLOW,
+        Feature.ANN_ASSIGN_EXTENDED_RHS,
         Feature.PATTERN_MATCHING,
     },
 }
         Feature.PATTERN_MATCHING,
     },
 }
vim configuration

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