#7667: Fix doctest failures with non-ASCII paths.

Lib/doctest.py

@@ -1328,7 +1328,8 @@ class DocTestRunner:
         m = self.__LINECACHE_FILENAME_RE.match(filename)
         if m and m.group('name') == self.test.name:
             example = self.test.examples[int(m.group('examplenum'))]
-            return example.source.splitlines(True)
+            source = example.source.encode('ascii', 'backslashreplace')
+            return source.splitlines(True)
         else:
             return self.save_linecache_getlines(filename, module_globals)
 

Misc/NEWS

@@ -29,6 +29,8 @@ Core and Builtins
 Library
 -------
 
+- Issue #7667: Fix doctest failures with non-ASCII paths.
+
 - Issue #7512: shutil.copystat() could raise an OSError when the filesystem
   didn't support chflags() (for example ZFS under FreeBSD).  The error is
   now silenced.