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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
import os
import re
import subprocess
import sys
import tempfile
from argparse import ArgumentParser, RawTextHelpFormatter
from pathlib import Path
from textwrap import dedent
from typing import Optional, Tuple
VERSION = 6
DESC = """Runs uic on a set of UI files and displays the resulting widgets."""
TEMP_DIR = Path(tempfile.gettempdir())
def get_class_name(file: Path) -> Tuple[Optional[str], Optional[str]]:
"""Return class name and widget name of UI file."""
pattern = re.compile(r'^\s*<widget class="(\w+)" name="(\w+)"\s*>.*$')
for line in Path(file).read_text().splitlines():
match = pattern.match(line)
if match:
return (match.group(1), match.group(2))
return (None, None)
def test_file(file: str, uic: bool = False) -> bool:
"""Run uic on a UI file and show the resulting UI."""
path = Path(file)
(klass, name) = get_class_name(path)
if not klass:
print(f'{file} does not appear to be a UI file', file=sys.stderr)
return False
py_klass = f'Ui_{name}'
py_file_basename = py_klass.lower()
py_file = TEMP_DIR / (py_file_basename + '.py')
py_main = TEMP_DIR / 'main.py'
cmd = ['uic', '-g', 'python'] if uic else [f'pyside{VERSION}-uic']
cmd.extend(['-o', os.fspath(py_file), file])
try:
subprocess.call(cmd)
except FileNotFoundError as e:
print(str(e) + " (try -u for uic)", file=sys.stderr)
return False
main_source = dedent(f'''\
import sys
from PySide{VERSION}.QtWidgets import QApplication, {klass}
from {py_file_basename} import {py_klass}
if __name__ == "__main__":
app = QApplication(sys.argv)
ui = {py_klass}()
widget = {klass}()
ui.setupUi(widget)
widget.show()
sys.exit(app.exec())''')
py_main.write_text(main_source)
exit_code = subprocess.call([sys.executable, os.fspath(py_main)])
py_main.unlink()
py_file.unlink()
return exit_code == 0
if __name__ == '__main__':
argument_parser = ArgumentParser(description=DESC,
formatter_class=RawTextHelpFormatter)
argument_parser.add_argument('--uic', '-u', action='store_true',
help='Use uic instead of pyside-uic')
argument_parser.add_argument("files", help="UI Files",
nargs='+', type=str)
options = argument_parser.parse_args()
failed = 0
count = len(options.files)
for i, file in enumerate(options.files):
print(f'{i+1}/{count} {file}')
if not test_file(file, options.uic):
failed += 1
if failed != 0:
print(f'{failed}/{count} failed.')
sys.exit(failed)
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