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from distutils.errors import DistutilsArgError
from distutils.fancy_getopt import FancyGetopt
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
if MYPY_CHECK_RUNNING:
from typing import Dict, List
_options = [
("exec-prefix=", None, ""),
("home=", None, ""),
("install-base=", None, ""),
("install-data=", None, ""),
("install-headers=", None, ""),
("install-lib=", None, ""),
("install-platlib=", None, ""),
("install-purelib=", None, ""),
("install-scripts=", None, ""),
("prefix=", None, ""),
("root=", None, ""),
("user", None, ""),
]
# typeshed doesn't permit Tuple[str, None, str], see python/typeshed#3469.
_distutils_getopt = FancyGetopt(_options) # type: ignore
def parse_distutils_args(args):
# type: (List[str]) -> Dict[str, str]
"""Parse provided arguments, returning an object that has the
matched arguments.
Any unknown arguments are ignored.
"""
result = {}
for arg in args:
try:
_, match = _distutils_getopt.getopt(args=[arg])
except DistutilsArgError:
# We don't care about any other options, which here may be
# considered unrecognized since our option list is not
# exhaustive.
pass
else:
result.update(match.__dict__)
return result