import logging
import os
from typing import Optional
from pip._vendor.pep517.wrappers import HookMissing, Pep517HookCaller
from pip._internal.utils.subprocess import runner_with_spinner_message
logger = logging.getLogger(__name__)
def build_wheel_editable(
name: str,
backend: Pep517HookCaller,
metadata_directory: str,
tempd: str,
) -> Optional[str]:
"""Build one InstallRequirement using the PEP 660 build process.
Returns path to wheel if successfully built. Otherwise, returns None.
"""
assert metadata_directory is not None
try:
logger.debug("Destination directory: %s", tempd)
runner = runner_with_spinner_message(
f"Building editable for {name} (pyproject.toml)"
)
with backend.subprocess_runner(runner):
try:
wheel_name = backend.build_editable(
tempd,
metadata_directory=metadata_directory,
)
except HookMissing as e:
logger.error(
"Cannot build editable %s because the build "
"backend does not have the %s hook",
name,
e,
)
return None
except Exception:
logger.error("Failed building editable for %s", name)
return None
return os.path.join(tempd, wheel_name)
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