From 17742741bcb6de742351c9df635d9e6e48a8a6bf 2014-12-27 06:57:03
From: Min RK <benjaminrk@gmail.com>
Date: 2014-12-27 06:57:03
Subject: [PATCH] log failure to render latex

and fallback on plaintext display


---

diff --git a/IPython/qt/console/rich_ipython_widget.py b/IPython/qt/console/rich_ipython_widget.py
index 5d84e9a..e9d3776 100644
--- a/IPython/qt/console/rich_ipython_widget.py
+++ b/IPython/qt/console/rich_ipython_widget.py
@@ -129,7 +129,11 @@ class RichIPythonWidget(IPythonWidget):
                 self._append_html(self.output_sep2, True)
             elif 'text/latex' in data:
                 self._pre_image_append(msg, prompt_number)
-                png = latex_to_png(data['text/latex'], wrap=False)
+                try:
+                    png = latex_to_png(data['text/latex'], wrap=False)
+                except Exception:
+                    self.log.error("Failed to render latex: %r", data['text/latex'], exc_info=True)
+                    png = None
                 if png is not None:
                     self._append_png(png, True)
                     self._append_html(self.output_sep2, True)