BUG: Add missing limited-latex script back

scripts/limited-latex.py

@@ -0,0 +1,25 @@
+#!/usr/bin/env python
+"""
+
+Many things copied from Johannes Berg's `MoinMoin Latex support`_
+
+.. `MoinMoin Latex support`: http://johannes.sipsolutions.net/Projects/new-moinmoin-latex
+
+"""
+import resource, os, sys
+
+LATEX = "latex"
+MAX_RUN_TIME = 5 # sec
+
+os.dup2(os.open("/dev/null", os.O_WRONLY), 0)
+os.environ['openin_any'] = 'p'
+os.environ['openout_any'] = 'p'
+os.environ['shell_escape'] = 'f'
+
+resource.setrlimit(resource.RLIMIT_CPU, (MAX_RUN_TIME, MAX_RUN_TIME))
+try:
+    sys.argv[0] = LATEX
+    os.execvp(LATEX, sys.argv)
+    # does not return if successful
+finally:
+    os.exit(2)