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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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