#!/usr/bin/env pythonimport sys, os, retry:    import chardetexcept ImportError:    print "You need universal encoding detector for this script"    print " http://chardet.feedparser.org or apt-get install python-chardet"    sys.exit()regexp_language = re.compile("\* +(.+) +translation", re.IGNORECASE)js_template = """/* This file is automaticly generated by create_language_js.py */// some data used in the examplesExt.namespace('Ext.exampledata');// TODO: complete and sort the listExt.exampledata.languages = [%s];"""lang_dubs = {}def lang_name(file):    language = os.path.basename(file)    m = regexp_language.search(open(file).read(512))    if m:	language = m.groups()[0]	if not lang_dubs.has_key(language):	    lang_dubs[language] = file	else:	    raise Exception('Duplicate language '+language+' for file '+file)    return languagedef print_locale(lang_code):    print lang_code,    sys.stdout.flush()    return Truedef main():    base_dir = "../../src/locale"    base_file = lambda f: os.path.join(base_dir, f)    try:	locales = os.listdir(base_dir)    except IOError:	print "Cannot find source locale directory: %s ... exiting" % base_dir	sys.exit()        valid_file = lambda e: e.endswith(".js") and e.startswith("ext-lang-")    char_set = lambda f: chardet.detect(open(f).read())['encoding']    lang_code = lambda f: f[9:f.rfind(".js")]    info_set = lambda f: (lang_name(base_file(f)), (lang_code(f), char_set(base_file(f))))    locales = dict(info_set(file) for file in locales if valid_file(file) and print_locale(lang_code(file)))    print "... done"    locale_strarray = ',\n'.join(["\t[%r, %r, %r]" % (code, name, charset) \				     for name, (code, charset) in sorted(locales.items())])    # create languages.js    open("languages.js", "w").write(js_template % locale_strarray)    print "saved %d languages to languages.js" % len(locales)        if __name__=="__main__":    main()