matplotlibrc path search fix

Signed-off-by: Elliott Sales de Andrade <quantum.analyst@gmail.com>

Author: QuLogic

lib/matplotlib/__init__.py

@@ -593,7 +593,8 @@ def get_cachedir():
 @_logged_cached('matplotlib data path: %s')
 def get_data_path():
     """Return the path to Matplotlib data."""
-    return str(Path(__file__).with_name("mpl-data"))
+    return str(Path(__file__).parent.parent.parent.parent.parent /
+               'share/matplotlib/mpl-data')
 
 
 def matplotlib_fname():
@@ -613,6 +614,7 @@ def matplotlib_fname():
           is not defined)
     - On other platforms,
       - ``$HOME/.matplotlib/matplotlibrc`` if ``$HOME`` is defined
+    - ``/etc/matplotlibrc``
     - Lastly, it looks in ``$MATPLOTLIBDATA/matplotlibrc``, which should always
       exist.
     """
@@ -631,6 +633,7 @@ def gen_candidates():
             yield matplotlibrc
             yield os.path.join(matplotlibrc, 'matplotlibrc')
         yield os.path.join(get_configdir(), 'matplotlibrc')
+        yield '/etc/matplotlibrc'
         yield os.path.join(get_data_path(), 'matplotlibrc')
 
     for fname in gen_candidates():

lib/matplotlib/backend_tools.py

@@ -596,7 +596,7 @@ class ToolHome(ViewsPositionsBase):
     """Restore the original view limits."""
 
     description = 'Reset original view'
-    image = 'mpl-data/images/home'
+    image = '/usr/share/matplotlib/mpl-data/images/home'
     default_keymap = property(lambda self: mpl.rcParams['keymap.home'])
     _on_trigger = 'home'
 
@@ -605,7 +605,7 @@ class ToolBack(ViewsPositionsBase):
     """Move back up the view limits stack."""
 
     description = 'Back to previous view'
-    image = 'mpl-data/images/back'
+    image = '/usr/share/matplotlib/mpl-data/images/back'
     default_keymap = property(lambda self: mpl.rcParams['keymap.back'])
     _on_trigger = 'back'
 
@@ -614,7 +614,7 @@ class ToolForward(ViewsPositionsBase):
     """Move forward in the view lim stack."""
 
     description = 'Forward to next view'
-    image = 'mpl-data/images/forward'
+    image = '/usr/share/matplotlib/mpl-data/images/forward'
     default_keymap = property(lambda self: mpl.rcParams['keymap.forward'])
     _on_trigger = 'forward'
 
@@ -623,14 +623,14 @@ class ConfigureSubplotsBase(ToolBase):
     """Base tool for the configuration of subplots."""
 
     description = 'Configure subplots'
-    image = 'mpl-data/images/subplots'
+    image = '/usr/share/matplotlib/mpl-data/images/subplots'
 
 
 class SaveFigureBase(ToolBase):
     """Base tool for figure saving."""
 
     description = 'Save the figure'
-    image = 'mpl-data/images/filesave'
+    image = '/usr/share/matplotlib/mpl-data/images/filesave'
     default_keymap = property(lambda self: mpl.rcParams['keymap.save'])
 
 
@@ -705,7 +705,7 @@ class ToolZoom(ZoomPanBase):
     """A Tool for zooming using a rectangle selector."""
 
     description = 'Zoom to rectangle'
-    image = 'mpl-data/images/zoom_to_rect'
+    image = '/usr/share/matplotlib/mpl-data/images/zoom_to_rect'
     default_keymap = property(lambda self: mpl.rcParams['keymap.zoom'])
     cursor = cursors.SELECT_REGION
     radio_group = 'default'
@@ -827,7 +827,7 @@ class ToolPan(ZoomPanBase):
 
     default_keymap = property(lambda self: mpl.rcParams['keymap.pan'])
     description = 'Pan axes with left mouse, zoom with right'
-    image = 'mpl-data/images/move'
+    image = '/usr/share/matplotlib/mpl-data/images/move'
     cursor = cursors.MOVE
     radio_group = 'default'
 
@@ -891,7 +891,7 @@ def _mouse_move(self, event):
 class ToolHelpBase(ToolBase):
     description = 'Print tool list, shortcuts and description'
     default_keymap = property(lambda self: mpl.rcParams['keymap.help'])
-    image = 'mpl-data/images/help'
+    image = '/usr/share/matplotlib/mpl-data/images/help'
 
     @staticmethod
     def format_shortcut(key_sequence):