#!/usr/bin/env python3
# -*- coding: UTF-8 -*-

from fnmatch import filter
from io import BytesIO
from os import (walk, path, rename)
from zipfile import ZipFile, ZIP_DEFLATED

def main(in_dir, dic_values, backup_suffix=None,encoding='UTF-8'):
    for (dirpath, dirnames, filenames) in walk(in_dir):
        qgzs = filter(filenames, '*.qgz')
        for qgz in qgzs:
            qgz_path = path.join(dirpath, qgz)
            mem_qgz = BytesIO()
            with ZipFile(qgz_path, 'r') as in_qgz, ZipFile(mem_qgz, 'w', compression=ZIP_DEFLATED) as tmp_qgz:
                for f in in_qgz.infolist():
                    data = in_qgz.read(f.filename).decode(encoding,errors='ignore')
                    if f.filename.endswith('.qgs'):
                        for old, new in dic_values.items():
                            data = data.replace(old, new)
                        # data = [data.replace('{}'.format(old), '{}'.format(new)) for old, new in dic_values.items()][0]
                    tmp_qgz.writestr(f.filename, data)

            if backup_suffix is not None:
                backup_suffix = backup_suffix if backup_suffix.startswith('.') else '.' + backup_suffix
                try:
                    rename(qgz_path, qgz_path + backup_suffix)
                except FileExistsError as err:
                    print('Unable to backup file, skipping {} ({})'.format(qgz_path, err))
                    continue

            with open(qgz_path, 'wb') as out_qgz:
                out_qgz.write(mem_qgz.getvalue())


if __name__ == '__main__':

    backup_suffix = '.orig'  # Don't overwrite orig .qgz (just in case...), append ".orig"
    in_dir = r'/home/colas/Documents/tmp/MARJORIE'

    encodage = 'UTF-8'
    dic_values = {
        '192.168.0.189': '91.134.194.221',
        'authcfg=xoibz7j': 'authcfg=ceniser',
        'bd_cen38': 'bd-cen-38',
        # 'MS Shell Dlg 2':'Tahoma',
        # 'https://datacarto.datara.gouv.fr':' https://datacarto.open-datara.fr',
        # 'Dingbats': '',
    }

    main(in_dir, dic_values, backup_suffix,encoding=encodage)