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Your IP : 216.73.216.120
import argparse
import logging
import os
import pathlib
import re
base_path = pathlib.Path(__file__).parent.parent
src_path = base_path / 'portalocker'
dist_path = base_path / 'dist'
_default_output_path = base_path / 'dist' / 'portalocker.py'
_RELATIVE_IMPORT_RE = re.compile(r'^from \. import (?P<names>.+)$')
_USELESS_ASSIGNMENT_RE = re.compile(r'^(?P<name>\w+) = \1\n$')
_TEXT_TEMPLATE = """'''
{}
'''
"""
logger = logging.getLogger(__name__)
def main(argv=None):
parser = argparse.ArgumentParser()
subparsers = parser.add_subparsers(required=True)
combine_parser = subparsers.add_parser(
'combine',
help='Combine all Python files into a single unified `portalocker.py` '
'file for easy distribution',
)
combine_parser.add_argument(
'--output-file',
'-o',
type=argparse.FileType('w'),
default=str(_default_output_path),
)
combine_parser.set_defaults(func=combine)
args = parser.parse_args(argv)
args.func(args)
def _read_file(path, seen_files):
if path in seen_files:
return
names = set()
seen_files.add(path)
for line in path.open():
if match := _RELATIVE_IMPORT_RE.match(line):
for name in match.group('names').split(','):
name = name.strip()
names.add(name)
yield from _read_file(src_path / f'{name}.py', seen_files)
else:
yield _clean_line(line, names)
def _clean_line(line, names):
# Replace `some_import.spam` with `spam`
if names:
joined_names = '|'.join(names)
line = re.sub(fr'\b({joined_names})\.', '', line)
# Replace useless assignments (e.g. `spam = spam`)
return _USELESS_ASSIGNMENT_RE.sub('', line)
def combine(args):
output_file = args.output_file
pathlib.Path(output_file.name).parent.mkdir(parents=True, exist_ok=True)
output_file.write(
_TEXT_TEMPLATE.format((base_path / 'README.rst').read_text()),
)
output_file.write(
_TEXT_TEMPLATE.format((base_path / 'LICENSE').read_text()),
)
seen_files = set()
for line in _read_file(src_path / '__init__.py', seen_files):
output_file.write(line)
output_file.flush()
output_file.close()
logger.info(f'Wrote combined file to {output_file.name}')
# Run black and ruff if available. If not then just run the file.
os.system(f'black {output_file.name}')
os.system(f'ruff --fix {output_file.name}')
os.system(f'python3 {output_file.name}')
if __name__ == '__main__':
logging.basicConfig(level=logging.INFO)
main()