1 files changed, 0 insertions, 127 deletions
diff --git a/src/pip/_vendor/pep517/build.py b/src/pip/_vendor/pep517/build.py
deleted file mode 100644
index bc463b2ba..000000000
--- a/src/pip/_vendor/pep517/build.py
+++ /dev/null
@@ -1,127 +0,0 @@
-"""Build a project using PEP 517 hooks.
-"""
-import argparse
-import io
-import logging
-import os
-import shutil
-
-from .envbuild import BuildEnvironment
-from .wrappers import Pep517HookCaller
-from .dirtools import tempdir, mkdir_p
-from .compat import FileNotFoundError, toml_load
-
-log = logging.getLogger(__name__)
-
-
-def validate_system(system):
-    """
-    Ensure build system has the requisite fields.
-    """
-    required = {'requires', 'build-backend'}
-    if not (required <= set(system)):
-        message = "Missing required fields: {missing}".format(
-            missing=required-set(system),
-        )
-        raise ValueError(message)
-
-
-def load_system(source_dir):
-    """
-    Load the build system from a source dir (pyproject.toml).
-    """
-    pyproject = os.path.join(source_dir, 'pyproject.toml')
-    with io.open(pyproject, 'rb') as f:
-        pyproject_data = toml_load(f)
-    return pyproject_data['build-system']
-
-
-def compat_system(source_dir):
-    """
-    Given a source dir, attempt to get a build system backend
-    and requirements from pyproject.toml. Fallback to
-    setuptools but only if the file was not found or a build
-    system was not indicated.
-    """
-    try:
-        system = load_system(source_dir)
-    except (FileNotFoundError, KeyError):
-        system = {}
-    system.setdefault(
-        'build-backend',
-        'setuptools.build_meta:__legacy__',
-    )
-    system.setdefault('requires', ['setuptools', 'wheel'])
-    return system
-
-
-def _do_build(hooks, env, dist, dest):
-    get_requires_name = 'get_requires_for_build_{dist}'.format(**locals())
-    get_requires = getattr(hooks, get_requires_name)
-    reqs = get_requires({})
-    log.info('Got build requires: %s', reqs)
-
-    env.pip_install(reqs)
-    log.info('Installed dynamic build dependencies')
-
-    with tempdir() as td:
-        log.info('Trying to build %s in %s', dist, td)
-        build_name = 'build_{dist}'.format(**locals())
-        build = getattr(hooks, build_name)
-        filename = build(td, {})
-        source = os.path.join(td, filename)
-        shutil.move(source, os.path.join(dest, os.path.basename(filename)))
-
-
-def build(source_dir, dist, dest=None, system=None):
-    system = system or load_system(source_dir)
-    dest = os.path.join(source_dir, dest or 'dist')
-    mkdir_p(dest)
-
-    validate_system(system)
-    hooks = Pep517HookCaller(
-        source_dir, system['build-backend'], system.get('backend-path')
-    )
-
-    with BuildEnvironment() as env:
-        env.pip_install(system['requires'])
-        _do_build(hooks, env, dist, dest)
-
-
-parser = argparse.ArgumentParser()
-parser.add_argument(
-    'source_dir',
-    help="A directory containing pyproject.toml",
-)
-parser.add_argument(
-    '--binary', '-b',
-    action='store_true',
-    default=False,
-)
-parser.add_argument(
-    '--source', '-s',
-    action='store_true',
-    default=False,
-)
-parser.add_argument(
-    '--out-dir', '-o',
-    help="Destination in which to save the builds relative to source dir",
-)
-
-
-def main(args):
-    log.warning('pep517.build is deprecated. '
-                'Consider switching to https://pypi.org/project/build/')
-
-    # determine which dists to build
-    dists = list(filter(None, (
-        'sdist' if args.source or not args.binary else None,
-        'wheel' if args.binary or not args.source else None,
-    )))
-
-    for dist in dists:
-        build(args.source_dir, dist, args.out_dir)
-
-
-if __name__ == '__main__':
-    main(parser.parse_args())