texmanager.make_dvi now raises an error if LaTeX failed to create an output file

jkseppan · jkseppan · commit 3a20ff9c9181 · 2009-04-06T17:03:09.000Z
svn path=/branches/v0_98_5_maint/; revision=7033
diff --git a/CHANGELOG b/CHANGELOG
@@ -1,3 +1,7 @@
+2009-04-06 texmanager.make_dvi now raises an error if LaTeX failed to
+           create an output file. Thanks to Joao Luis Silva for reporting
+           this. - JKS
+
 2009-04-05 _png.read_png() reads 12 bit PNGs (patch from 
            Tobias Wood) - ADS
 
diff --git a/lib/matplotlib/texmanager.py b/lib/matplotlib/texmanager.py
@@ -285,7 +285,12 @@ def make_dvi(self, tex, fontsize):
                 fh.close()
             except IOError:
                 report = 'No latex error report available.'
-            if exit_status:
+            try:
+                os.stat(dvifile)
+                exists = True
+            except OSError:
+                exists = False
+            if exit_status or not exists:
                 raise RuntimeError(('LaTeX was not able to process the following \
 string:\n%s\nHere is the full report generated by LaTeX: \n\n'% repr(tex)) + report)
             else: mpl.verbose.report(report, 'debug')
