Translations injector for migration from key-based i18n to gettext (using the zDevelopers/zLib I18n component).

injectTranslations.py

import fnmatch
import os
import yaml


def flat_yaml(stream):
    with open(stream) as f:
        raw_data = yaml.load(f)
        data = {}
        flatten_structure(raw_data, data)
        return data


def flatten_structure(raw_data, flat, path=""):
    for node in raw_data:
        if isinstance(raw_data[node], dict):
            flatten_structure(raw_data[node], flat, path + node + ".")
        else:
            flat[path + node] = raw_data[node]


ref_lang = flat_yaml("en_US.yml")


for root, dirnames, filenames in os.walk('../../src'):
    for filename in fnmatch.filter(filenames, '*.java'):
        filepath = os.path.join(root, filename)
        content = ""

        with open(filepath) as f:
            for line in f:
                content += line

        updated = False

        for key in ref_lang.keys():
            real_key = key.replace("keys.", "")
            if key != "author" and real_key in content:
                print(real_key + " in " + filepath)
                content = content.replace("I.t(\"" + real_key + "\"", "I.t(\"" + ref_lang[key].replace("\"", "\\\"") + "\"")
                updated = True

        if updated:
            with open(filepath, mode='w') as f:
                f.write(content)
            print("Translations included into " + filepath)