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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
- from qtpy2cpp_lib.visitor import ConvertVisitor
- DESCRIPTION = "Tool to convert Python to C++"
- def create_arg_parser(desc):
- parser = ArgumentParser(description=desc,
- formatter_class=RawTextHelpFormatter)
- parser.add_argument("--debug", "-d", action="store_true",
- help="Debug")
- 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="Python source file(s)")
- return parser
- if __name__ == "__main__":
- logging.basicConfig(level=logging.INFO)
- logger = logging.getLogger(__name__)
- arg_parser = create_arg_parser(DESCRIPTION)
- args = arg_parser.parse_args()
- ConvertVisitor.debug = args.debug
- 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)
- file_root, ext = os.path.splitext(input_file)
- if input_file.suffix != ".py":
- logger.error(f"{input_file_str} does not appear to be a Python file.")
- sys.exit(-1)
- ast_tree = ConvertVisitor.create_ast(input_file_str)
- if args.stdout:
- sys.stdout.write(f"// Converted from {input_file.name}\n")
- ConvertVisitor(input_file, sys.stdout).visit(ast_tree)
- else:
- target_file = input_file.parent / (input_file.stem + ".cpp")
- 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)
- with target_file.open("w") as file:
- file.write(f"// Converted from {input_file.name}\n")
- ConvertVisitor(input_file, file).visit(ast_tree)
- logger.info(f"Wrote {target_file}.")
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