in lib64/python3.6/dist-packages/pip/_internal/wheel.py [0:0]
def build(self, requirements, session, autobuilding=False):
"""Build wheels.
:param unpack: If True, replace the sdist we built from with the
newly built wheel, in preparation for installation.
:return: True if all the wheels built correctly.
"""
from pip._internal import index
from pip._internal.models.link import Link
building_is_possible = self._wheel_dir or (
autobuilding and self.wheel_cache.cache_dir
)
assert building_is_possible
buildset = []
format_control = self.finder.format_control
for req in requirements:
if req.constraint:
continue
if req.is_wheel:
if not autobuilding:
logger.info(
'Skipping %s, due to already being wheel.', req.name,
)
elif autobuilding and req.editable:
pass
elif autobuilding and not req.source_dir:
pass
elif autobuilding and req.link and not req.link.is_artifact:
# VCS checkout. Build wheel just for this run.
buildset.append((req, True))
else:
ephem_cache = False
if autobuilding:
link = req.link
base, ext = link.splitext()
if index.egg_info_matches(base, None, link) is None:
# E.g. local directory. Build wheel just for this run.
ephem_cache = True
if "binary" not in format_control.get_allowed_formats(
canonicalize_name(req.name)):
logger.info(
"Skipping bdist_wheel for %s, due to binaries "
"being disabled for it.", req.name,
)
continue
buildset.append((req, ephem_cache))
if not buildset:
return True
# Build the wheels.
logger.info(
'Building wheels for collected packages: %s',
', '.join([req.name for (req, _) in buildset]),
)
_cache = self.wheel_cache # shorter name
with indent_log():
build_success, build_failure = [], []
for req, ephem in buildset:
python_tag = None
if autobuilding:
python_tag = pep425tags.implementation_tag
if ephem:
output_dir = _cache.get_ephem_path_for_link(req.link)
else:
output_dir = _cache.get_path_for_link(req.link)
try:
ensure_dir(output_dir)
except OSError as e:
logger.warning("Building wheel for %s failed: %s",
req.name, e)
build_failure.append(req)
continue
else:
output_dir = self._wheel_dir
wheel_file = self._build_one(
req, output_dir,
python_tag=python_tag,
)
if wheel_file:
build_success.append(req)
if autobuilding:
# XXX: This is mildly duplicative with prepare_files,
# but not close enough to pull out to a single common
# method.
# The code below assumes temporary source dirs -
# prevent it doing bad things.
if req.source_dir and not os.path.exists(os.path.join(
req.source_dir, PIP_DELETE_MARKER_FILENAME)):
raise AssertionError(
"bad source dir - missing marker")
# Delete the source we built the wheel from
req.remove_temporary_source()
# set the build directory again - name is known from
# the work prepare_files did.
req.source_dir = req.build_location(
self.preparer.build_dir
)
# Update the link for this.
req.link = Link(path_to_url(wheel_file))
assert req.link.is_wheel
# extract the wheel into the dir
unpack_url(
req.link, req.source_dir, None, False,
session=session,
)
else:
build_failure.append(req)
# notify success/failure
if build_success:
logger.info(
'Successfully built %s',
' '.join([req.name for req in build_success]),
)
if build_failure:
logger.info(
'Failed to build %s',
' '.join([req.name for req in build_failure]),
)
# Return True if all builds were successful
return len(build_failure) == 0