Fix broken image links

fix_img_links.py

#!/usr/bin/env python3

import os
from itertools import islice


def searchAndAppendImgRef(img_name, img_chunk):
    # simply search all files in source folder
    for root, dirs, files in os.walk('/home/flydix/Dokumente/Repo/3dcitydb-docs/source'):
        for file_name in files:
            if file_name.endswith('.rst'):
                with open(os.path.join(root, file_name), 'r+') as f:
                    if img_name in f.read():
                        print ('found %s in %s' %(img_name, file_name))
                        f.write('\n')
                        f.writelines(img_chunk)
                        return True
                    else:
                        f.close()
    # bad luck
    print ('Not found ' + img_name)
    return False


if __name__ == '__main__':
    with open('/home/flydix/Dokumente/Repo/3dcitydb-docs/img-links.rst', 'r') as img_list:
        while True:
            # 3 lines for each image
            img_chunk = list(islice(img_list, 3))
            if not img_chunk:
                img_list.close()
                break
            # search for |image| ref in all files and append chunk if found
            searchAndAppendImgRef('|' + img_chunk[0].split('|')[1] + '|', img_chunk)