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python310
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python3.10
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pip
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pep517
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check.py
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"""Check a project and backend by attempting to build using PEP 517 hooks. """ import argparse import io import logging import os from os.path import isfile, join as pjoin import shutil from subprocess import CalledProcessError import sys import tarfile from tempfile import mkdtemp import zipfile from .colorlog import enable_colourful_output from .compat import TOMLDecodeError, toml_load from .envbuild import BuildEnvironment from .wrappers import Pep517HookCaller log = logging.getLogger(__name__) def check_build_sdist(hooks, build_sys_requires): with BuildEnvironment() as env: try: env.pip_install(build_sys_requires) log.info('Installed static build dependencies') except CalledProcessError: log.error('Failed to install static build dependencies') return False try: reqs = hooks.get_requires_for_build_sdist({}) log.info('Got build requires: %s', reqs) except Exception: log.error('Failure in get_requires_for_build_sdist', exc_info=True) return False try: env.pip_install(reqs) log.info('Installed dynamic build dependencies') except CalledProcessError: log.error('Failed to install dynamic build dependencies') return False td = mkdtemp() log.info('Trying to build sdist in %s', td) try: try: filename = hooks.build_sdist(td, {}) log.info('build_sdist returned %r', filename) except Exception: log.info('Failure in build_sdist', exc_info=True) return False if not filename.endswith('.tar.gz'): log.error( "Filename %s doesn't have .tar.gz extension", filename) return False path = pjoin(td, filename) if isfile(path): log.info("Output file %s exists", path) else: log.error("Output file %s does not exist", path) return False if tarfile.is_tarfile(path): log.info("Output file is a tar file") else: log.error("Output file is not a tar file") return False finally: shutil.rmtree(td) return True def check_build_wheel(hooks, build_sys_requires): with BuildEnvironment() as env: try: env.pip_install(build_sys_requires) log.info('Installed static build dependencies') except CalledProcessError: log.error('Failed to install static build dependencies') return False try: reqs = hooks.get_requires_for_build_wheel({}) log.info('Got build requires: %s', reqs) except Exception: log.error('Failure in get_requires_for_build_sdist', exc_info=True) return False try: env.pip_install(reqs) log.info('Installed dynamic build dependencies') except CalledProcessError: log.error('Failed to install dynamic build dependencies') return False td = mkdtemp() log.info('Trying to build wheel in %s', td) try: try: filename = hooks.build_wheel(td, {}) log.info('build_wheel returned %r', filename) except Exception: log.info('Failure in build_wheel', exc_info=True) return False if not filename.endswith('.whl'): log.error("Filename %s doesn't have .whl extension", filename) return False path = pjoin(td, filename) if isfile(path): log.info("Output file %s exists", path) else: log.error("Output file %s does not exist", path) return False if zipfile.is_zipfile(path): log.info("Output file is a zip file") else: log.error("Output file is not a zip file") return False finally: shutil.rmtree(td) return True def check(source_dir): pyproject = pjoin(source_dir, 'pyproject.toml') if isfile(pyproject): log.info('Found pyproject.toml') else: log.error('Missing pyproject.toml') return False try: with io.open(pyproject, 'rb') as f: pyproject_data = toml_load(f) # Ensure the mandatory data can be loaded buildsys = pyproject_data['build-system'] requires = buildsys['requires'] backend = buildsys['build-backend'] backend_path = buildsys.get('backend-path') log.info('Loaded pyproject.toml') except (TOMLDecodeError, KeyError): log.error("Invalid pyproject.toml", exc_info=True) return False hooks = Pep517HookCaller(source_dir, backend, backend_path) sdist_ok = check_build_sdist(hooks, requires) wheel_ok = check_build_wheel(hooks, requires) if not sdist_ok: log.warning('Sdist checks failed; scroll up to see') if not wheel_ok: log.warning('Wheel checks failed') return sdist_ok def main(argv=None): log.warning('pep517.check is deprecated. ' 'Consider switching to https://pypi.org/project/build/') ap = argparse.ArgumentParser() ap.add_argument( 'source_dir', help="A directory containing pyproject.toml") args = ap.parse_args(argv) enable_colourful_output() ok = check(args.source_dir) if ok: print(ansi('Checks passed', 'green')) else: print(ansi('Checks failed', 'red')) sys.exit(1) ansi_codes = { 'reset': '\x1b[0m', 'bold': '\x1b[1m', 'red': '\x1b[31m', 'green': '\x1b[32m', } def ansi(s, attr): if os.name != 'nt' and sys.stdout.isatty(): return ansi_codes[attr] + str(s) + ansi_codes['reset'] else: return str(s) if __name__ == '__main__': main()