Ticket #6235: trac_6235-MPLCONFIGDIR.patch

sage-env

@@ -182 +182 @@
     SAGE_TESTDIR="$DOT_SAGE"/tmp && export SAGE_TESTDIR
 fi
 
+# Use a matplotlib config directory specific to Sage and specific to
+# the version number of matplotlib, by setting the environment
+# variable MPLCONFIGDIR.  See
+# http://trac.sagemath.org/sage_trac/ticket/6235 and
+# http://trac.sagemath.org/sage_trac/ticket/9221.  Find the version
+# number for matplotlib by reading the file
+# SAGE_LOCAL/lib/python/site-packages/matplotlib/__init__.py, and use
+# the version number in the name of the directory.  If that file
+# doesn't exist, matplotlib hasn't been installed yet, so don't set
+# MPLCONFIGDIR.
+MPLINITFILE="$SAGE_LOCAL/lib/python/site-packages/matplotlib/__init__.py"
+if [ -f "$MPLINITFILE" ]; then
+    MPLVERSION=`sed -n "/^__version__[ ]*=/s/[^']*'\([^']*\)'.*$/\1/p" "$MPLINITFILE"`
+    if [ "$MPLVERSION" != "" ]; then
+        MPLCONFIGDIR="$DOT_SAGE/matplotlib-$MPLVERSION"
+    else
+        # MPLVERSION is empty, so no version found.
+        MPLCONFIGDIR="$DOT_SAGE/matplotlib"
+    fi
+    export MPLCONFIGDIR
+    # Create the directory, because matplotlib doesn't seem to be happy otherwise.
+    mkdir -p "$MPLCONFIGDIR"
+fi
+
 LD_LIBRARY_PATH="$SAGE_ROOT/local/lib/:$LD_LIBRARY_PATH" && export LD_LIBRARY_PATH
 # The following is needed for openmpi:
 LD_LIBRARY_PATH="$SAGE_ROOT/local/lib/openmpi:$LD_LIBRARY_PATH" && export LD_LIBRARY_PATH