gen_aboutneterror_codes.py

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#!/usr/bin/env python3

# This Source Code Form is subject to the terms of the Mozilla Public

# License, v. 2.0. If a copy of the MPL was not distributed with this file,

# You can obtain one at http://mozilla.org/MPL/2.0/.

import sys

from fluent.syntax import parse

from fluent.syntax.ast import Message

def find_error_ids(filename, known_strings):

    with open(filename, "r", encoding="utf-8") as f:

        known_strings += [

            m.id.name for m in parse(f.read()).body if isinstance(m, Message)

def main(output, *filenames):

    known_strings = []

    for filename in filenames:

        find_error_ids(filename, known_strings)

    output.write("const KNOWN_ERROR_MESSAGE_IDS = new Set([\n")

    for known_string in known_strings:

        output.write('  "{}",\n'.format(known_string))

    output.write("]);\n")

if __name__ == "__main__":

    sys.exit(main(sys.stdout, *sys.argv[1:]))