handle REFILTERROR in execm

src/filters/rclchm

@@ -9,13 +9,13 @@ try:
     from chm import chm,chmlib
 except:
     print "RECFILTERROR HELPERNOTFOUND python:chm"
-    exit(1);
+    sys.exit(1);
 
 try:
     from HTMLParser import HTMLParser
 except:
     print "RECFILTERROR HELPERNOTFOUND python:HTMLParser"
-    exit(1);
+    sys.exit(1);
 
 class ChmTopicsParser(HTMLParser):
     """Parse the chm's Topic file which is basically

src/filters/rclexecm.py

@@ -17,7 +17,7 @@ class RclExecM:
     def rclog(self, s, doexit = 0, exitvalue = 1):
         print >> sys.stderr, "RCLMFILT:", self.myname, ":", s
         if doexit:
-            exit(exitvalue)
+            sys.exit(exitvalue)
     # Our worker sometimes knows the mime types of the data it sends
     def setmimetype(self, mt):
         self.mimetype = mt

src/filters/rclics

@@ -1,11 +1,13 @@
 #!/usr/bin/env python
 
 import rclexecm
+import sys
+
 try:
     from icalendar import Calendar, Event
 except:
     print "RECFILTERROR HELPERNOTFOUND python:icalendar"
-    exit(1);
+    sys.exit(1);
 
 class IcalExtractor:
     def __init__(self, em):