]> git.madduck.net Git - etc/vim.git/blobdiff - src/black/mode.py

madduck's git repository

Every one of the projects in this repository is available at the canonical URL git://git.madduck.net/madduck/pub/<projectpath> — see each project's metadata for the exact URL.

All patches and comments are welcome. Please squash your changes to logical commits before using git-format-patch and git-send-email to patches@git.madduck.net. If you'd read over the Git project's submission guidelines and adhered to them, I'd be especially grateful.

SSH access, as well as push access can be individually arranged.

If you use my repositories frequently, consider adding the following snippet to ~/.gitconfig and using the third clone URL listed for each project:

[url "git://git.madduck.net/madduck/"]
  insteadOf = madduck:

projects / etc / vim.git / blobdiff
? search:
summary | shortlog | log | commit | commitdiff | tree
raw | inline | side by side
Github now supports .git-blame-ignore-revs (GH-2948)
[etc/vim.git] / src / black / mode.py
diff --git a/src/black/mode.py b/src/black/mode.py
index 0b7624eaf8ae5fad9f81d7cabde094709119847f..35a072c23e07bf9a493b77591a7a986d5e1e7bb8 100644 (file)
--- a/src/black/mode.py
+++ b/src/black/mode.py
@@ -4,15 +4,24 @@ Mostly around Python language feature support per version and Black configuratio
 chosen by the user.
 """
 
 chosen by the user.
 """
 
+from hashlib import sha256
+import sys
+
 from dataclasses import dataclass, field
 from dataclasses import dataclass, field
-from enum import Enum
+from enum import Enum, auto
+from operator import attrgetter
 from typing import Dict, Set
 from typing import Dict, Set
+from warnings import warn
+
+if sys.version_info < (3, 8):
+    from typing_extensions import Final
+else:
+    from typing import Final
 
 from black.const import DEFAULT_LINE_LENGTH
 
 
 class TargetVersion(Enum):
 
 from black.const import DEFAULT_LINE_LENGTH
 
 
 class TargetVersion(Enum):
-    PY27 = 2
     PY33 = 3
     PY34 = 4
     PY35 = 5
     PY33 = 3
     PY34 = 4
     PY35 = 5
@@ -20,14 +29,10 @@ class TargetVersion(Enum):
     PY37 = 7
     PY38 = 8
     PY39 = 9
     PY37 = 7
     PY38 = 8
     PY39 = 9
-
-    def is_python2(self) -> bool:
-        return self is TargetVersion.PY27
+    PY310 = 10
 
 
 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
@@ -39,20 +44,25 @@ class Feature(Enum):
     ASSIGNMENT_EXPRESSIONS = 8
     POS_ONLY_ARGUMENTS = 9
     RELAXED_DECORATORS = 10
     ASSIGNMENT_EXPRESSIONS = 8
     POS_ONLY_ARGUMENTS = 9
     RELAXED_DECORATORS = 10
+    PATTERN_MATCHING = 11
+    UNPACKING_ON_FLOW = 12
+    ANN_ASSIGN_EXTENDED_RHS = 13
     FORCE_OPTIONAL_PARENTHESES = 50
 
     FORCE_OPTIONAL_PARENTHESES = 50
 
+    # __future__ flags
+    FUTURE_ANNOTATIONS = 51
+
+
+FUTURE_FLAG_TO_FEATURE: Final = {
+    "annotations": Feature.FUTURE_ANNOTATIONS,
+}
+
 
 VERSION_TO_FEATURES: Dict[TargetVersion, Set[Feature]] = {
 
 VERSION_TO_FEATURES: Dict[TargetVersion, Set[Feature]] = {
-    TargetVersion.PY27: {Feature.ASYNC_IDENTIFIERS},
-    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,
@@ -60,33 +70,51 @@ 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.TRAILING_COMMA_IN_DEF,
         Feature.ASYNC_KEYWORDS,
         Feature.F_STRINGS,
         Feature.NUMERIC_UNDERSCORES,
         Feature.TRAILING_COMMA_IN_CALL,
         Feature.TRAILING_COMMA_IN_DEF,
         Feature.ASYNC_KEYWORDS,
+        Feature.FUTURE_ANNOTATIONS,
     },
     TargetVersion.PY38: {
     },
     TargetVersion.PY38: {
-        Feature.UNICODE_LITERALS,
         Feature.F_STRINGS,
         Feature.NUMERIC_UNDERSCORES,
         Feature.TRAILING_COMMA_IN_CALL,
         Feature.TRAILING_COMMA_IN_DEF,
         Feature.ASYNC_KEYWORDS,
         Feature.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.POS_ONLY_ARGUMENTS,
         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.TRAILING_COMMA_IN_DEF,
         Feature.ASYNC_KEYWORDS,
         Feature.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,
+    },
+    TargetVersion.PY310: {
+        Feature.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.ASSIGNMENT_EXPRESSIONS,
         Feature.RELAXED_DECORATORS,
         Feature.POS_ONLY_ARGUMENTS,
+        Feature.UNPACKING_ON_FLOW,
+        Feature.ANN_ASSIGN_EXTENDED_RHS,
+        Feature.PATTERN_MATCHING,
     },
 }
 
     },
 }
 
@@ -95,6 +123,16 @@ def supports_feature(target_versions: Set[TargetVersion], feature: Feature) -> b
     return all(feature in VERSION_TO_FEATURES[version] for version in target_versions)
 
 
     return all(feature in VERSION_TO_FEATURES[version] for version in target_versions)
 
 
+class Preview(Enum):
+    """Individual preview style features."""
+
+    string_processing = auto()
+
+
+class Deprecated(UserWarning):
+    """Visible deprecation warning."""
+
+
 @dataclass
 class Mode:
     target_versions: Set[TargetVersion] = field(default_factory=set)
 @dataclass
 class Mode:
     target_versions: Set[TargetVersion] = field(default_factory=set)
@@ -104,12 +142,35 @@ class Mode:
     is_ipynb: bool = False
     magic_trailing_comma: bool = True
     experimental_string_processing: bool = False
     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:
+        if self.experimental_string_processing:
+            warn(
+                "`experimental string processing` has been included in `preview`"
+                " and deprecated. Use `preview` instead.",
+                Deprecated,
+            )
+
+    def __contains__(self, feature: Preview) -> bool:
+        """
+        Provide `Preview.FEATURE in Mode` syntax that mirrors the ``preview`` flag.
+
+        The argument is not checked and features are not differentiated.
+        They only exist to make development easier by clarifying intent.
+        """
+        if feature is Preview.string_processing:
+            return self.preview or self.experimental_string_processing
+        # TODO: Remove type ignore comment once preview contains more features
+        #  than just ESP
+        return self.preview  # type: ignore
 
     def get_cache_key(self) -> str:
         if self.target_versions:
             version_str = ",".join(
                 str(version.value)
 
     def get_cache_key(self) -> str:
         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 = "-"
             )
         else:
             version_str = "-"
@@ -121,5 +182,7 @@ class Mode:
             str(int(self.is_ipynb)),
             str(int(self.magic_trailing_comma)),
             str(int(self.experimental_string_processing)),
             str(int(self.is_ipynb)),
             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)
         ]
         return ".".join(parts)
vim configuration

Legalese

All content available in this repository is copyright © martin f. krafft, unless otherwise noted.

All files and their content are released under the terms of the Artistic Licence 2.0, unless otherwise noted.

The operator of this repository shall not be held liable for offending content in pages linking to or linked from these page, nor does he endorse their content unless stated otherwise.