[gcompris/gcomprixogoo] Complete the usage of wiktio2xml

[Bruno Coudoin <bcoudoin src gnome org>]

commit e5465b3fab6b48dcbfdf2575b4860c93756febff
Author: Bruno Coudoin <bruno coudoin free fr>
Date:   Tue Nov 2 23:28:48 2010 +0100

    Complete the usage of wiktio2xml

 tools/wiktio2xml/wiktio2xml.py |    8 +++-----
 1 files changed, 3 insertions(+), 5 deletions(-)
---
diff --git a/tools/wiktio2xml/wiktio2xml.py b/tools/wiktio2xml/wiktio2xml.py
index eac128f..519dc16 100755
--- a/tools/wiktio2xml/wiktio2xml.py
+++ b/tools/wiktio2xml/wiktio2xml.py
@@ -428,14 +428,12 @@ class WikiHandler(ContentHandler):
 
         return inWord
 
-def usage():
-    print "wiki2xml.py <wiki file> <word list file>"
-
 # Set UTF-8 stdout in case of the user piping our output
 reload(sys)
 sys.setdefaultencoding('utf-8')
 
-parser = OptionParser()
+usage = "usage: %prog [options] wiktionary_dump.xml word_list.txt"
+parser = OptionParser(usage=usage)
 parser.add_option("-o", "--output", dest="output",
                   help="write result to file or directory")
 parser.add_option("-q", "--quiet",
@@ -450,7 +448,7 @@ parser.add_option("-s", "--site",
 (options, args) = parser.parse_args()
 
 if len(sys.argv) < 3:
-    usage()
+    parser.print_help()
     sys.exit()
 
 wikiFile = sys.argv[1]