import numpy as np
import re
import os

filepath = 'russian.yaml'
output_dir = 'modified'

content = map(lambda s: s, open(filepath, 'rb').readlines())
for i in range(len(content)):
    line = content[i]
    if re.match(r'^\s*\d(:|\.)(\s+\d)+\s*$', line):
        for j in range((line.index(':') if ':' in line else line.index('.'))+1, len(line)):
            if re.match(r'\d', line[j]) and line[j] != '0':
                modified = list(content)
                modified[i] = line[:j] + '0' + line[j+1:]
                save_path = os.path.join(output_dir, 'modified_' + str(i+1) + '_' + str(j+1) + '.yaml')
                print 'Writing', save_path
                modified_content = ''.join(modified)
                with open(save_path, 'w') as f:
                    f.write(modified_content)