Replace print + sys.exit with parser.error .

apachedex/__init__.py

@@ -1180,14 +1180,12 @@ def main():
   elif DURATION_S_FORMAT in args.logformat:
     getDuration = lambda x: int(x.group('duration_s')) * US_PER_S
   else:
-    print >> sys.stderr, 'Neither %D nor %T are present in logformat, apdex ' \
-      'cannot be computed.'
-    sys.exit(1)
+    parser.error('Neither %D nor %T are present in logformat, apdex '
+      'cannot be computed.')
   if args.match_servername is not None and \
       args.match_servername not in args.logformat:
-    print >> sys.stderr, '--match-servername %s requested, but missing ' \
-      'from logformat.' % args.match_servername
-    sys.exit(1)
+    parser.error('--match-servername %s requested, but missing '
+      'from logformat.' % args.match_servername)
   get_url_prefix = server_name_group_dict.get(args.match_servername,
     lambda _: '')
   line_regex = ''
@@ -1239,9 +1237,8 @@ def main():
   if default_site is None:
     default_action = None
     if not [None for _, _, x in site_list if x is not None]:
-      print >> sys.stderr, 'None of --default, --erp5-base and --base were ' \
-        'specified, nothing to do.'
-      sys.exit(1)
+      parser.error('None of --default, --erp5-base and --base were '
+        'specified, nothing to do.')
   else:
     default_action = partial(GenericSiteStats, suffix=lambda x: x)
     site_caption_dict[None] = default_site
@@ -1252,8 +1249,7 @@ def main():
   file_count = len(infile_list)
   per_site = {}
   if '-' in args.state_file and '-' in infile_list:
-    print >> sys.stderr, 'stdin cannot be used both as log and state input.'
-    sys.exit(1)
+    parser.error('stdin cannot be used both as log and state input.')
   loading_start_time = time.time()
   for state_file_name in args.state_file:
     print >> sys.stderr, 'Loading', state_file_name, '...',