add kpfonts and change mpl prologue to load kpfonts and updated style

settings/org-settings.el

@@ -903,7 +903,24 @@ usage: #+HEADER: :prologue (mpl-prologue)
 "
     (by-backend (latex "")
                 (article-latex "")
-                (t "import matplotlib.pyplot as plt;plt.style.use('dark_background');"))))
+                (t (format "\
+import matplotlib.font_manager
+kpfonts = matplotlib.font_manager.findSystemFonts(fontpaths=['%s'])
+[matplotlib.font_manager.fontManager.addfont(i) for i in kpfonts]
+
+import matplotlib.style
+matplotlib.style.reload_library()
+
+import matplotlib.pyplot as plt
+styles = plt.style.core.read_style_directory('%s')
+plt.style.core.update_nested_dict(plt.style.library, styles)
+try:
+  plt.style.use('my')
+except:
+  pass
+"
+                           (concat config-dir "scripts/fonts")
+                           (concat config-dir "scripts/matplotlib-stylelib")))))
 
 (use-package ol-notmuch
   :after (org))