matplotlib · timhoffm · Feb 15, 2018 · Feb 13, 2018
diff --git a/lib/matplotlib/__init__.py b/lib/matplotlib/__init__.py
@@ -117,6 +117,7 @@
 import locale
 import logging
 import os
+from pathlib import Path
 import re
 import shutil
 import stat
@@ -651,14 +652,10 @@ def _get_xdg_cache_dir():
 
 
 def _get_config_or_cache_dir(xdg_base):
-    from matplotlib.cbook import mkdirs
-
     configdir = os.environ.get('MPLCONFIGDIR')
     if configdir is not None:
         configdir = os.path.abspath(configdir)
-        if not os.path.exists(configdir):
-            mkdirs(configdir)
-
+        Path(configdir).mkdir(parents=True, exist_ok=True)
         if not _is_writable_dir(configdir):
             return _create_tmp_config_dir()
         return configdir
@@ -678,7 +675,7 @@ def _get_config_or_cache_dir(xdg_base):
                 return p
         else:
             try:
-                mkdirs(p)
+                Path(p).mkdir(parents=True, exist_ok=True)
             except OSError:
                 pass
             else:

diff --git a/lib/matplotlib/cbook/__init__.py b/lib/matplotlib/cbook/__init__.py
@@ -850,6 +850,7 @@ def __delattr__(self, name):
         return self
 
 
+@deprecated("3.0")
 def mkdirs(newdir, mode=0o777):
     """
     make directory *newdir* recursively, and set *mode*.  Equivalent to ::

diff --git a/lib/matplotlib/sphinxext/plot_directive.py b/lib/matplotlib/sphinxext/plot_directive.py
@@ -142,6 +142,7 @@
 
 import sys, os, shutil, io, re, textwrap
 from os.path import relpath
+from pathlib import Path
 import traceback
 import warnings
 
@@ -846,8 +847,7 @@ def run(arguments, content, options, state_machine, state, lineno):
         state_machine.insert_input(total_lines, source=source_file_name)
 
     # copy image files to builder's output directory, if necessary
-    if not os.path.exists(dest_dir):
-        cbook.mkdirs(dest_dir)
+    Path(dest_dir).mkdir(parents=True, exist_ok=True)
 
     for code_piece, images in results:
         for img in images:

diff --git a/lib/matplotlib/testing/compare.py b/lib/matplotlib/testing/compare.py
@@ -11,6 +11,7 @@
 import hashlib
 import itertools
 import os
+from pathlib import Path
 import re
 import shutil
 import sys
@@ -85,11 +86,10 @@ def get_cache_dir():
     if cachedir is None:
         raise RuntimeError('Could not find a suitable configuration directory')
     cache_dir = os.path.join(cachedir, 'test_cache')
-    if not os.path.exists(cache_dir):
-        try:
-            cbook.mkdirs(cache_dir)
-        except IOError:
-            return None
+    try:
+        Path(cache_dir).mkdir(parents=True, exist_ok=True)
+    except IOError:
+        return None
     if not os.access(cache_dir, os.W_OK):
         return None
     return cache_dir

diff --git a/lib/matplotlib/testing/decorators.py b/lib/matplotlib/testing/decorators.py
@@ -5,10 +5,11 @@
 import functools
 import inspect
 import os
-import sys
+from pathlib import Path
 import shutil
-import warnings
+import sys
 import unittest
+import warnings
 
 # Note - don't import nose up here - import it only as needed in functions.
 # This allows other functions here to be used by pytest-based testing suites
@@ -532,9 +533,7 @@ def find_dotted_module(module_name, path=None):
 
     baseline_dir = os.path.join(basedir, 'baseline_images', subdir)
     result_dir = os.path.abspath(os.path.join('result_images', subdir))
-
-    if not os.path.exists(result_dir):
-        cbook.mkdirs(result_dir)
+    Path(result_dir).mkdir(parents=True, exist_ok=True)
 
     return baseline_dir, result_dir
 

diff --git a/lib/matplotlib/texmanager.py b/lib/matplotlib/texmanager.py
@@ -39,20 +39,20 @@
 
 import copy
 import glob
+import hashlib
+import logging
 import os
+from pathlib import Path
 import shutil
 import sys
 import warnings
-import logging
-
-from hashlib import md5
 
 import distutils.version
 import numpy as np
 import matplotlib as mpl
 from matplotlib import rcParams
 from matplotlib._png import read_png
-from matplotlib.cbook import mkdirs, Locked
+from matplotlib.cbook import Locked
 from matplotlib.compat.subprocess import subprocess, Popen, PIPE, STDOUT
 import matplotlib.dviread as dviread
 import re
@@ -88,7 +88,7 @@ class TexManager(object):
     cachedir = mpl.get_cachedir()
     if cachedir is not None:
         texcache = os.path.join(cachedir, 'tex.cache')
-        mkdirs(texcache)
+        Path(texcache).mkdir(parents=True, exist_ok=True)
     else:
         # Should only happen in a restricted environment (such as Google App
         # Engine). Deal with this gracefully by not creating a cache directory.
@@ -136,7 +136,7 @@ def __init__(self):
             raise RuntimeError('Cannot create TexManager, as there is no '
                                'cache directory available')
 
-        mkdirs(self.texcache)
+        Path(self.texcache).mkdir(parents=True, exist_ok=True)
         ff = rcParams['font.family']
         if len(ff) == 1 and ff[0].lower() in self.font_families:
             self.font_family = ff[0].lower()
@@ -171,7 +171,7 @@ def __init__(self):
         # correct png is selected for strings rendered with same font and dpi
         # even if the latex preamble changes within the session
         preamble_bytes = self.get_custom_preamble().encode('utf-8')
-        fontconfig.append(md5(preamble_bytes).hexdigest())
+        fontconfig.append(hashlib.md5(preamble_bytes).hexdigest())
         self._fontconfig = ''.join(fontconfig)
 
         # The following packages and commands need to be included in the latex
@@ -188,7 +188,8 @@ def get_basefile(self, tex, fontsize, dpi=None):
         """
         s = ''.join([tex, self.get_font_config(), '%f' % fontsize,
                      self.get_custom_preamble(), str(dpi or '')])
-        return os.path.join(self.texcache, md5(s.encode('utf-8')).hexdigest())
+        return os.path.join(
+            self.texcache, hashlib.md5(s.encode('utf-8')).hexdigest())
 
     def get_font_config(self):
         """Reinitializes self if relevant rcParams on have changed."""