X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/98b6c887da891eb1a4d9401a13ec12f9c5e7f7eb..e94a41f92a568706700522aaad48ebd137fe1d8b:/black.py

diff --git a/black.py b/black.py
index 0da2fad..c9b8be9 100644
--- a/black.py
+++ b/black.py
@@ -20,6 +20,7 @@ from typing import (
     Callable,
     Collection,
     Dict,
+    Generator,
     Generic,
     Iterable,
     Iterator,
@@ -46,7 +47,7 @@ from blib2to3.pgen2 import driver, token
 from blib2to3.pgen2.parse import ParseError
 
 
-__version__ = "18.6b3"
+__version__ = "18.6b4"
 DEFAULT_LINE_LENGTH = 88
 DEFAULT_EXCLUDES = (
     r"/(\.git|\.hg|\.mypy_cache|\.tox|\.venv|_build|buck-out|build|dist)/"
@@ -796,18 +797,6 @@ UNPACKING_PARENTS = {
     syms.testlist_gexp,
     syms.testlist_star_expr,
 }
-SURROUNDED_BY_BRACKETS = {
-    syms.typedargslist,
-    syms.arglist,
-    syms.subscriptlist,
-    syms.vfplist,
-    syms.import_as_names,
-    syms.yield_expr,
-    syms.testlist_gexp,
-    syms.testlist_star_expr,
-    syms.listmaker,
-    syms.dictsetmaker,
-}
 TEST_DESCENDANTS = {
     syms.test,
     syms.lambdef,
@@ -1852,7 +1841,7 @@ def container_of(leaf: Leaf) -> LN:
         if parent.type == syms.file_input:
             break
 
-        if parent.type in SURROUNDED_BY_BRACKETS:
+        if parent.prev_sibling is not None and parent.prev_sibling.type in BRACKETS:
             break
 
         container = parent
@@ -2608,7 +2597,7 @@ def convert_one_fmt_off_pair(node: Node) -> bool:
                 )
                 return True
 
-            previous_consumed += comment.consumed
+            previous_consumed = comment.consumed
 
     return False
 
@@ -2910,7 +2899,23 @@ def generate_trailers_to_omit(line: Line, line_length: int) -> Iterator[Set[Leaf
 
 def get_future_imports(node: Node) -> Set[str]:
     """Return a set of __future__ imports in the file."""
-    imports = set()
+    imports: Set[str] = set()
+
+    def get_imports_from_children(children: List[LN]) -> Generator[str, None, None]:
+        for child in children:
+            if isinstance(child, Leaf):
+                if child.type == token.NAME:
+                    yield child.value
+            elif child.type == syms.import_as_name:
+                orig_name = child.children[0]
+                assert isinstance(orig_name, Leaf), "Invalid syntax parsing imports"
+                assert orig_name.type == token.NAME, "Invalid syntax parsing imports"
+                yield orig_name.value
+            elif child.type == syms.import_as_names:
+                yield from get_imports_from_children(child.children)
+            else:
+                assert False, "Invalid syntax parsing imports"
+
     for child in node.children:
         if child.type != syms.simple_stmt:
             break
@@ -2929,15 +2934,7 @@ def get_future_imports(node: Node) -> Set[str]:
             module_name = first_child.children[1]
             if not isinstance(module_name, Leaf) or module_name.value != "__future__":
                 break
-            for import_from_child in first_child.children[3:]:
-                if isinstance(import_from_child, Leaf):
-                    if import_from_child.type == token.NAME:
-                        imports.add(import_from_child.value)
-                else:
-                    assert import_from_child.type == syms.import_as_names
-                    for leaf in import_from_child.children:
-                        if isinstance(leaf, Leaf) and leaf.type == token.NAME:
-                            imports.add(leaf.value)
+            imports |= set(get_imports_from_children(first_child.children[3:]))
         else:
             break
     return imports