ignore matplotlib deprecations

Author: gertjanvanzwieten

nutils/export.py

@@ -26,8 +26,9 @@ def mplfigure(name, /, **kwargs):
         :class:`matplotlib.figure.Figure` object.
     '''
 
-    import matplotlib.figure
-    import matplotlib.backends.backend_agg
+    with warnings.ignore(DeprecationWarning):
+        import matplotlib.figure
+        import matplotlib.backends.backend_agg
     fig = matplotlib.figure.Figure(**kwargs)
     with log.userfile(name, 'wb') as f:
         yield fig

nutils/warnings.py

@@ -31,4 +31,11 @@ def via(print):
     warnings.showwarning = oldshowwarning
 
 
+@contextlib.contextmanager
+def ignore(category=Warning):
+    with warnings.catch_warnings():
+        warnings.simplefilter("ignore", category)
+        yield
+    
+
 # vim:sw=4:sts=4:et