"""Convert Cyrillic from iso-8859-1 Unicode-encoded to KOI8-R-encodedThis script is used during the build process of the Russian translationof "Dive Into Python" (http://diveintopython.org/).It takes one argument, which can be either an HTML file or a directory.If a file, it converts the file in place; if a directory, it convertsevery HTML file in the immediate directory (but not recursively).Safe but pointless to run more than once on the same file or directory."""__author__ = "Mark Pilgrim (mark@diveintopython.org)"__version__ = "$Revision: 1.2 $"__date__ = "$Date: 2004/05/05 21:57:19 $"__copyright__ = "Copyright (c) 2001 Mark Pilgrim"__license__ = "Python"import osimport sysimport reunicodeToKOI8R = { \	'Ё': '\xb3',	'А': '\xe1',	'Б': '\xe2',	'В': '\xf7',	'Г': '\xe7',	'Д': '\xe4',	'Е': '\xe5',	'Ж': '\xf6',	'З': '\xfa',	'И': '\xe9',	'Й': '\xea',	'К': '\xeb',	'Л': '\xec',	'М': '\xed',	'Н': '\xee',	'О': '\xef',	'П': '\xf0',	'Р': '\xf2',	'С': '\xf3',	'Т': '\xf4',	'У': '\xf5',	'Ф': '\xe6',	'Х': '\xe8',	'Ц': '\xe3',	'Ч': '\xfe',	'Ш': '\xfb',	'Щ': '\xfd',	'Ъ': '\xff',	'Ы': '\xf9',	'Ь': '\xf8',	'Э': '\xfc',	'Ю': '\xe0',	'Я': '\xf1',	'а': '\xc1',	'б': '\xc2',	'в': '\xd7',	'г': '\xc7',	'д': '\xc4',	'е': '\xc5',	'ж': '\xd6',	'з': '\xda',	'и': '\xc9',	'й': '\xca',	'к': '\xcb',	'л': '\xcc',	'м': '\xcd',	'н': '\xce',	'о': '\xcf',	'п': '\xd0',	'р': '\xd2',	'с': '\xd3',	'т': '\xd4',	'у': '\xd5',	'ф': '\xc6',	'х': '\xc8',	'ц': '\xc3',	'ч': '\xde',	'ш': '\xdb',	'щ': '\xdd',	'ъ': '\xdf',	'ы': '\xd9',	'ь': '\xd8',	'э': '\xdc',	'ю': '\xc0',	'я': '\xd1',	'ё': '\xa3' }unicodePattern = re.compile(r'&#[0-9]{4,4};')charsetPattern = re.compile(r'ISO-8859-1', re.IGNORECASE)def translateMatch(match):	unicode = match.group(0)	if unicodeToKOI8R.has_key(unicode):		return unicodeToKOI8R[unicode]	else:		return unicodedef translateBuffer(buffer):	buffer = unicodePattern.sub(translateMatch, buffer)	buffer = charsetPattern.sub('KOI8-R', buffer)	return bufferdef translateFile(filename, outfilename=None):	if not outfilename:		outfilename = filename	fsock = open(filename)	buffer = fsock.read()	fsock.close()	buffer = translateBuffer(buffer)	fsock = open(outfilename, 'wb')	fsock.write(buffer)	fsock.close()def htmlFilter(filename):	return os.path.splitext(filename)[1] == '.html'def translateDirectory(directoryname, filterFunc=htmlFilter):	fileList = [os.path.join(directoryname, f) for f in os.listdir(directoryname)]	fileList = filter(filterFunc, fileList)	map(translateFile, fileList)if __name__ == "__main__":	name = sys.argv[1]	if os.path.isdir(name):		translateDirectory(name)	else:		translateFile(name)