[pre-commit.ci] pre-commit autoupdate (#3825)

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

diff --git a/src/black/lines.py b/src/black/lines.py
index bf4c12cb684dd160748ce5915e1424eda24bdd00..016a489310d492cb2d19aecc68720aa23c832e4d 100644 (file)
--- a/src/black/lines.py
+++ b/src/black/lines.py
@@ -28,6 +28,7 @@ from black.nodes import (
     is_multiline_string,
     is_one_sequence_between,
     is_type_comment,
+    is_type_ignore_comment,
     is_with_or_async_with_stmt,
     replace_child,
     syms,
@@ -48,7 +49,7 @@ LN = Union[Leaf, Node]
 class Line:
     """Holds leaves and comments. Can be printed with `str(line)`."""
 
-    mode: Mode
+    mode: Mode = field(repr=False)
     depth: int = 0
     leaves: List[Leaf] = field(default_factory=list)
     # keys ordered like `leaves`
@@ -251,7 +252,7 @@ class Line:
             for comment in comments:
                 if is_type_comment(comment):
                     if comment_seen or (
-                        not is_type_comment(comment, " ignore")
+                        not is_type_ignore_comment(comment)
                         and leaf_id not in ignored_ids
                     ):
                         return True
@@ -288,7 +289,7 @@ class Line:
             # line.
             for node in self.leaves[-2:]:
                 for comment in self.comments.get(id(node), []):
-                    if is_type_comment(comment, " ignore"):
+                    if is_type_ignore_comment(comment):
                         return True
 
         return False
@@ -578,16 +579,21 @@ class EmptyLineTracker:
         else:
             before = 0
         depth = current_line.depth
+
+        previous_def = None
         while self.previous_defs and self.previous_defs[-1].depth >= depth:
+            previous_def = self.previous_defs.pop()
+
+        if previous_def is not None:
+            assert self.previous_line is not None
             if self.mode.is_pyi:
-                assert self.previous_line is not None
                 if depth and not current_line.is_def and self.previous_line.is_def:
                     # Empty lines between attributes and methods should be preserved.
                     before = min(1, before)
                 elif (
                     Preview.blank_line_after_nested_stub_class in self.mode
-                    and self.previous_defs[-1].is_class
-                    and not self.previous_defs[-1].is_stub_class
+                    and previous_def.is_class
+                    and not previous_def.is_stub_class
                 ):
                     before = 1
                 elif depth:
@@ -599,7 +605,7 @@ class EmptyLineTracker:
                     before = 1
                 elif (
                     not depth
-                    and self.previous_defs[-1].depth
+                    and previous_def.depth
                     and current_line.leaves[-1].type == token.COLON
                     and (
                         current_line.leaves[0].value
@@ -616,7 +622,7 @@ class EmptyLineTracker:
                     before = 1
                 else:
                     before = 2
-            self.previous_defs.pop()
+
         if current_line.is_decorator or current_line.is_def or current_line.is_class:
             return self._maybe_empty_lines_for_class_or_def(current_line, before)
 
@@ -634,6 +640,8 @@ class EmptyLineTracker:
             and self.previous_line.is_class
             and current_line.is_triple_quoted_string
         ):
+            if Preview.no_blank_line_before_class_docstring in current_line.mode:
+                return 0, 1
             return before, 1
 
         if self.previous_line and self.previous_line.opens_block:
@@ -790,7 +798,7 @@ def is_line_short_enough(  # noqa: C901
     # store the leaves that contain parts of the MLS
     multiline_string_contexts: List[LN] = []
 
-    max_level_to_update = math.inf  # track the depth of the MLS
+    max_level_to_update: Union[int, float] = math.inf  # track the depth of the MLS
     for i, leaf in enumerate(line.leaves):
         if max_level_to_update == math.inf:
             had_comma: Optional[int] = None