import chardet

chardet.detect(content)['encoding']

#-*- coding: utf-8 -*-

import codecs

import os

import shutil

import re

import chardet

def convert_encoding(filename, target_encoding):

    # Backup the origin file.

    shutil.copyfile(filename, filename + '.bak')

    # convert file from the source encoding to target encoding

    content = codecs.open(filename, 'r').read()

    source_encoding = chardet.detect(content)['encoding']

    print source_encoding, filename

    content = content.decode(source_encoding) #.encode(source_encoding)

    codecs.open(filename, 'w', encoding=target_encoding).write(content)

def main():

    for root, dirs, files in os.walk(os.getcwd()):

        for f in files:

            if f.lower().endswith('.java'):

                filename = os.path.join(root, f)

                try:

                    convert_encoding(filename, 'utf-8')

                except Exception, e:

                    print filename

def process_bak_files(action='restore'):

    for root, dirs, files in os.walk(os.getcwd()):

        for f in files:

            if f.lower().endswith('.java.bak'):

                source = os.path.join(root, f)

                target = os.path.join(root, re.sub('\.java\.bak$', '.java', f, flags=re.IGNORECASE))

                try:

                    if action == 'restore':

                        shutil.move(source, target)

                    elif action == 'clear':

                        os.remove(source)

                except Exception, e:

                    print source

if __name__ == '__main__':

    # process_bak_files(action='clear')

    main()