restore leading spaces/tabs/newlines from original www files

fix_tomato_gui_clean.py

import os
import re


cn_dir = '~/github/tomato-gui'
en_dir = '~/github/tomato-gui-en'

cn_dir = os.path.expanduser(cn_dir)
en_dir = os.path.expanduser(en_dir)

# loop through files in en_dir
file_types = ('.asp', '.js', '.jsx')


def getSize(filename):
    st = os.stat(filename)
    return st.st_size


def fix_file(file):
    print 'fixing file', file
    cn_file = os.path.join(cn_dir, file)
    en_file = os.path.join(en_dir, file)
    if getSize(cn_file) == getSize(en_file):
        print 'skipping %s, because file sizes are the same' % file
        return

    new_cn_file = ''

    with open(en_file) as f:
        with open(cn_file) as g:

            use_last_cn = False

            for l_num, en_line in enumerate(f):

                l_num += 1

                if not use_last_cn:
                    cn_line = g.readline()

                match_en = re.search('^([\s\t\n]+)', en_line)
                match_cn = re.search('^([\s\t\n]+)', cn_line)

                if match_en:

                    match_en_prefix = match_en.groups()[0]

                    # if en line is empty
                    if match_en_prefix.endswith('\n'):

                        new_cn_file += match_en_prefix

                        if match_cn and match_cn.groups()[0] == match_en_prefix:
                            pass
                        else:
                            use_last_cn = True

                        continue

                    # if cn line has prefix but does not match en_line
                    if match_cn:
                        if match_en_prefix == match_cn.groups()[0]:
                            new_cn_file += cn_line
                        else:
                            new_cn_file += match_en_prefix+cn_line
                    else:

                        new_cn_file += match_en_prefix+cn_line

                    # check cn file in the same line
                else:
                    print 'no match enline, use cn_line [%s]' % cn_line
                    new_cn_file += cn_line

                use_last_cn = False

    open(cn_file, 'w').write(new_cn_file)


files = []
for file in os.listdir(en_dir):
    name, ext = os.path.splitext(file)
    if ext in file_types:
        fix_file(file)

    # break