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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
from __future__ import annotations
import logging
import os
import sys
from argparse import ArgumentParser, RawTextHelpFormatter
from pathlib import Path
sys.path.append(os.fspath(Path(__file__).parent / "snippets_translate"))
from converter import snippet_translate
DESCRIPTION = "Tool to convert C++ to Python based on snippets_translate"
def create_arg_parser(desc):
parser = ArgumentParser(description=desc,
formatter_class=RawTextHelpFormatter)
parser.add_argument("--stdout", "-s", action="store_true",
help="Write to stdout")
parser.add_argument("--force", "-f", action="store_true",
help="Force overwrite of existing files")
parser.add_argument("files", type=str, nargs="+",
help="C++ source file(s)")
return parser
if __name__ == "__main__":
arg_parser = create_arg_parser(DESCRIPTION)
args = arg_parser.parse_args()
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)
for input_file_str in args.files:
input_file = Path(input_file_str)
if not input_file.is_file():
logger.error(f"{input_file_str} does not exist or is not a file.")
sys.exit(-1)
if input_file.suffix != ".cpp" and input_file.suffix != ".h":
logger.error(f"{input_file} does not appear to be a C++ file.")
sys.exit(-1)
translated_lines = [f"# Converted from {input_file.name}\n"]
for line in input_file.read_text().split("\n"):
translated_lines.append(snippet_translate(line))
translated = "\n".join(translated_lines)
if args.stdout:
sys.stdout.write(translated)
else:
target_file = input_file.parent / (input_file.stem + ".py")
if target_file.exists():
if not target_file.is_file():
logger.error(f"{target_file} exists and is not a file.")
sys.exit(-1)
if not args.force:
logger.error(f"{target_file} exists. Use -f to overwrite.")
sys.exit(-1)
target_file.write_text(translated)
logger.info(f"Wrote {target_file}.")
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