Minor adjustments to font manager implementation

JanSellner · JanSellner · commit b02905a0b903 · 2019-01-13T20:03:33.000+01:00
- Change note
- Make function private
diff --git a/lib/matplotlib/font_manager.py b/lib/matplotlib/font_manager.py
@@ -223,7 +223,7 @@ def win32RegistryFonts(reg_domain, base_dir):
     return items
 
 
-def win32InstalledFonts(directory=None, fontext='ttf'):
+def _win32InstalledFonts(directory=None, fontext='ttf'):
     """
     Search for fonts in the specified font directory, or use the
     system directories if none given. Additionally, it is searched for user
@@ -301,7 +301,7 @@ def findSystemFonts(fontpaths=None, fontext='ttf'):
         if sys.platform == 'win32':
             fontpaths = MSUserFontDirectories + [win32FontDirectory()]
             # now get all installed fonts directly...
-            fontfiles.update(win32InstalledFonts(fontext=fontext))
+            fontfiles.update(_win32InstalledFonts(fontext=fontext))
         else:
             fontpaths = X11FontDirectories
             if sys.platform == 'darwin':
diff --git a/lib/matplotlib/tests/test_font_manager.py b/lib/matplotlib/tests/test_font_manager.py
@@ -130,7 +130,8 @@ def test_find_ttc():
 def test_user_fonts():
     if not os.environ.get('APPVEYOR', False):
         pytest.xfail('This test does only work on appveyor since user fonts '
-                     'are Windows specific')
+                     'are Windows specific and the developer\'s font '
+                     'directory should remain unchanged')
 
     font_test_file = 'mpltest.ttf'
 
