Blacken .py files in blib2to3 (#1011)

[etc/vim.git] / black.py

diff --git a/black.py b/black.py
index d8aa3562d8fe968c43a4de7f4ab407de1bf66a7d..077698311087d75ad54b4090c8db231ccb10c55f 100644 (file)
--- a/black.py
+++ b/black.py
@@ -12,7 +12,7 @@ from multiprocessing import Manager, freeze_support
 import os
 from pathlib import Path
 import pickle
-import re
+import regex as re
 import signal
 import sys
 import tempfile
@@ -1340,10 +1340,19 @@ class Line:
         # (unfortunately) need to check the actual source lines and
         # only report an unsplittable 'type: ignore' if this line was
         # one line in the original code.
-        if self.leaves[0].lineno == self.leaves[-1].lineno:
-            for comment in self.comments.get(id(self.leaves[-1]), []):
-                if is_type_comment(comment, " ignore"):
-                    return True
+
+        # Grab the first and last line numbers, skipping generated leaves
+        first_line = next((l.lineno for l in self.leaves if l.lineno != 0), 0)
+        last_line = next((l.lineno for l in reversed(self.leaves) if l.lineno != 0), 0)
+
+        if first_line == last_line:
+            # We look at the last two leaves since a comma or an
+            # invisible paren could have been added at the end of the
+            # line.
+            for node in self.leaves[-2:]:
+                for comment in self.comments.get(id(node), []):
+                    if is_type_comment(comment, " ignore"):
+                        return True
 
         return False
 
@@ -3797,7 +3806,8 @@ def re_compile_maybe_verbose(regex: str) -> Pattern[str]:
     """
     if "\n" in regex:
         regex = "(?x)" + regex
-    return re.compile(regex)
+    compiled: Pattern[str] = re.compile(regex)
+    return compiled
 
 
 def enumerate_reversed(sequence: Sequence[T]) -> Iterator[Tuple[Index, T]]: