m.plots: matplotlib otherwise keeps everything in memory.

Huh.

diff --git a/pelican-plugins/m/plots.py b/pelican-plugins/m/plots.py
index 173ca76de1d324d5d4e4a602f8fe66c1bbe50bea..1d09cf97239e3429f5091b22e1b8f7f168121c8e 100644 (file)
--- a/pelican-plugins/m/plots.py
+++ b/pelican-plugins/m/plots.py
@@ -214,6 +214,7 @@ class Plot(rst.Directive):
         fig.patch.set_visible(False) # hide the white background
         imgdata = io.StringIO()
         fig.savefig(imgdata, format='svg')
+        plt.close() # otherwise it consumes a lot of memory in autoreload mode
 
         # Patch the rendered output: remove preable and hardcoded size
         imgdata = _patch_src.sub(_patch_dst, imgdata.getvalue())