Consistently format async statements similar to their non-async version. (#3609)

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

diff --git a/src/black/nodes.py b/src/black/nodes.py
index 90728f3c87c2e60e098f65ba905e4528d39052e0..4e9411b1b7988066f3e605504b9b70a6a10d8d3b 100644 (file)
--- a/src/black/nodes.py
+++ b/src/black/nodes.py
@@ -789,13 +789,30 @@ def is_import(leaf: Leaf) -> bool:
     )
 
 
-def is_with_stmt(leaf: Leaf) -> bool:
-    """Return True if the given leaf starts a with statement."""
+def is_with_or_async_with_stmt(leaf: Leaf) -> bool:
+    """Return True if the given leaf starts a with or async with statement."""
     return bool(
         leaf.type == token.NAME
         and leaf.value == "with"
         and leaf.parent
         and leaf.parent.type == syms.with_stmt
+    ) or bool(
+        leaf.type == token.ASYNC
+        and leaf.next_sibling
+        and leaf.next_sibling.type == syms.with_stmt
+    )
+
+
+def is_async_stmt_or_funcdef(leaf: Leaf) -> bool:
+    """Return True if the given leaf starts an async def/for/with statement.
+
+    Note that `async def` can be either an `async_stmt` or `async_funcdef`,
+    the latter is used when it has decorators.
+    """
+    return bool(
+        leaf.type == token.ASYNC
+        and leaf.parent
+        and leaf.parent.type in {syms.async_stmt, syms.async_funcdef}
     )