From 46468647fbd6e0eb9f3fe1f8b867fbfcc2ddf969 Mon Sep 17 00:00:00 2001
From: Jody Klymak <jklymak@gmail.com>
Date: Fri, 5 Oct 2018 07:18:23 -0700
Subject: [PATCH] Backport PR #12408: Don't crash on invalid registry font
 entries on Windows.

---
 lib/matplotlib/font_manager.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/matplotlib/font_manager.py b/lib/matplotlib/font_manager.py
index bd21538f4f03..37a0c7fc1e3d 100644
--- a/lib/matplotlib/font_manager.py
+++ b/lib/matplotlib/font_manager.py
@@ -199,7 +199,12 @@ def win32InstalledFonts(directory=None, fontext='ttf'):
                     # Work around for https://bugs.python.org/issue25778, which
                     # is fixed in Py>=3.6.1.
                     direc = direc.split("\0", 1)[0]
-                    path = Path(directory, direc).resolve()
+                    try:
+                        path = Path(directory, direc).resolve()
+                    except (FileNotFoundError, RuntimeError):
+                        # Don't fail with invalid entries (FileNotFoundError is
+                        # only necessary on Py3.5).
+                        continue
                     if path.suffix.lower() in fontext:
                         items.add(str(path))
         except (OSError, MemoryError):