From: Vladimír Vondruš <mosra@centrum.cz>
Date: Wed, 16 May 2018 10:31:41 +0000 (+0200)
Subject: m.plots: matplotlib otherwise keeps everything in memory.
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~cjwatson/git?a=commitdiff_plain;h=c7e8356e5239100fc15d589a919bec34130e6e42;p=blog.git

m.plots: matplotlib otherwise keeps everything in memory.

Huh.
---

diff --git a/pelican-plugins/m/plots.py b/pelican-plugins/m/plots.py
index 173ca76d..1d09cf97 100644
--- 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())