--- a/lib/python3.8/site-packages/pip/_internal/utils/setuptools_build.py	Mon Jul 27 03:47:31 2020 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,181 +0,0 @@
-import sys
-
-from pip._internal.utils.typing import MYPY_CHECK_RUNNING
-
-if MYPY_CHECK_RUNNING:
-    from typing import List, Optional, Sequence
-
-# Shim to wrap setup.py invocation with setuptools
-#
-# We set sys.argv[0] to the path to the underlying setup.py file so
-# setuptools / distutils don't take the path to the setup.py to be "-c" when
-# invoking via the shim.  This avoids e.g. the following manifest_maker
-# warning: "warning: manifest_maker: standard file '-c' not found".
-_SETUPTOOLS_SHIM = (
-    "import sys, setuptools, tokenize; sys.argv[0] = {0!r}; __file__={0!r};"
-    "f=getattr(tokenize, 'open', open)(__file__);"
-    "code=f.read().replace('\\r\\n', '\\n');"
-    "f.close();"
-    "exec(compile(code, __file__, 'exec'))"
-)
-
-
-def make_setuptools_shim_args(
-    setup_py_path,  # type: str
-    global_options=None,  # type: Sequence[str]
-    no_user_config=False,  # type: bool
-    unbuffered_output=False  # type: bool
-):
-    # type: (...) -> List[str]
-    """
-    Get setuptools command arguments with shim wrapped setup file invocation.
-
-    :param setup_py_path: The path to setup.py to be wrapped.
-    :param global_options: Additional global options.
-    :param no_user_config: If True, disables personal user configuration.
-    :param unbuffered_output: If True, adds the unbuffered switch to the
-     argument list.
-    """
-    args = [sys.executable]
-    if unbuffered_output:
-        args += ["-u"]
-    args += ["-c", _SETUPTOOLS_SHIM.format(setup_py_path)]
-    if global_options:
-        args += global_options
-    if no_user_config:
-        args += ["--no-user-cfg"]
-    return args
-
-
-def make_setuptools_bdist_wheel_args(
-    setup_py_path,  # type: str
-    global_options,  # type: Sequence[str]
-    build_options,  # type: Sequence[str]
-    destination_dir,  # type: str
-):
-    # type: (...) -> List[str]
-    # NOTE: Eventually, we'd want to also -S to the flags here, when we're
-    # isolating. Currently, it breaks Python in virtualenvs, because it
-    # relies on site.py to find parts of the standard library outside the
-    # virtualenv.
-    args = make_setuptools_shim_args(
-        setup_py_path,
-        global_options=global_options,
-        unbuffered_output=True
-    )
-    args += ["bdist_wheel", "-d", destination_dir]
-    args += build_options
-    return args
-
-
-def make_setuptools_clean_args(
-    setup_py_path,  # type: str
-    global_options,  # type: Sequence[str]
-):
-    # type: (...) -> List[str]
-    args = make_setuptools_shim_args(
-        setup_py_path,
-        global_options=global_options,
-        unbuffered_output=True
-    )
-    args += ["clean", "--all"]
-    return args
-
-
-def make_setuptools_develop_args(
-    setup_py_path,  # type: str
-    global_options,  # type: Sequence[str]
-    install_options,  # type: Sequence[str]
-    no_user_config,  # type: bool
-    prefix,  # type: Optional[str]
-    home,  # type: Optional[str]
-    use_user_site,  # type: bool
-):
-    # type: (...) -> List[str]
-    assert not (use_user_site and prefix)
-
-    args = make_setuptools_shim_args(
-        setup_py_path,
-        global_options=global_options,
-        no_user_config=no_user_config,
-    )
-
-    args += ["develop", "--no-deps"]
-
-    args += install_options
-
-    if prefix:
-        args += ["--prefix", prefix]
-    if home is not None:
-        args += ["--home", home]
-
-    if use_user_site:
-        args += ["--user", "--prefix="]
-
-    return args
-
-
-def make_setuptools_egg_info_args(
-    setup_py_path,  # type: str
-    egg_info_dir,  # type: Optional[str]
-    no_user_config,  # type: bool
-):
-    # type: (...) -> List[str]
-    args = make_setuptools_shim_args(setup_py_path)
-    if no_user_config:
-        args += ["--no-user-cfg"]
-
-    args += ["egg_info"]
-
-    if egg_info_dir:
-        args += ["--egg-base", egg_info_dir]
-
-    return args
-
-
-def make_setuptools_install_args(
-    setup_py_path,  # type: str
-    global_options,  # type: Sequence[str]
-    install_options,  # type: Sequence[str]
-    record_filename,  # type: str
-    root,  # type: Optional[str]
-    prefix,  # type: Optional[str]
-    header_dir,  # type: Optional[str]
-    home,  # type: Optional[str]
-    use_user_site,  # type: bool
-    no_user_config,  # type: bool
-    pycompile  # type: bool
-):
-    # type: (...) -> List[str]
-    assert not (use_user_site and prefix)
-    assert not (use_user_site and root)
-
-    args = make_setuptools_shim_args(
-        setup_py_path,
-        global_options=global_options,
-        no_user_config=no_user_config,
-        unbuffered_output=True
-    )
-    args += ["install", "--record", record_filename]
-    args += ["--single-version-externally-managed"]
-
-    if root is not None:
-        args += ["--root", root]
-    if prefix is not None:
-        args += ["--prefix", prefix]
-    if home is not None:
-        args += ["--home", home]
-    if use_user_site:
-        args += ["--user", "--prefix="]
-
-    if pycompile:
-        args += ["--compile"]
-    else:
-        args += ["--no-compile"]
-
-    if header_dir:
-        args += ["--install-headers", header_dir]
-
-    args += install_options
-
-    return args