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# The following comment should be removed at some point in the future.
# mypy: strict-optional=False
# mypy: disallow-untyped-defs=False
from __future__ import absolute_import
import atexit
import logging
import os
import shutil
import sys
import sysconfig
import zipfile
from distutils.util import change_root
from pip._vendor import pkg_resources, six
from pip._vendor.packaging.requirements import Requirement
from pip._vendor.packaging.utils import canonicalize_name
from pip._vendor.packaging.version import Version
from pip._vendor.packaging.version import parse as parse_version
from pip._vendor.pep517.wrappers import Pep517HookCaller
from pip._internal import pep425tags, wheel
from pip._internal.build_env import NoOpBuildEnvironment
from pip._internal.exceptions import InstallationError
from pip._internal.models.link import Link
from pip._internal.operations.generate_metadata import get_metadata_generator
from pip._internal.pyproject import load_pyproject_toml, make_pyproject_path
from pip._internal.req.req_uninstall import UninstallPathSet
from pip._internal.utils.compat import native_str
from pip._internal.utils.hashes import Hashes
from pip._internal.utils.logging import indent_log
from pip._internal.utils.marker_files import (
PIP_DELETE_MARKER_FILENAME,
has_delete_marker_file,
)
from pip._internal.utils.misc import (
_make_build_dir,
ask_path_exists,
backup_dir,
display_path,
dist_in_install_path,
dist_in_site_packages,
dist_in_usersite,
ensure_dir,
get_installed_version,
hide_url,
redact_auth_from_url,
rmtree,
)
from pip._internal.utils.packaging import get_metadata
from pip._internal.utils.setuptools_build import make_setuptools_shim_args
from pip._internal.utils.subprocess import (
call_subprocess,
runner_with_spinner_message,
)
from pip._internal.utils.temp_dir import TempDirectory
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
from pip._internal.utils.virtualenv import running_under_virtualenv
from pip._internal.vcs import vcs
if MYPY_CHECK_RUNNING:
from typing import (
Any, Dict, Iterable, List, Optional, Sequence, Union,
)
from pip._internal.build_env import BuildEnvironment
from pip._internal.cache import WheelCache
from pip._internal.index import PackageFinder
from pip._vendor.pkg_resources import Distribution
from pip._vendor.packaging.specifiers import SpecifierSet
from pip._vendor.packaging.markers import Marker
logger = logging.getLogger(__name__)
class InstallRequirement(object):
"""
Represents something that may be installed later on, may have information
about where to fetch the relevant requirement and also contains logic for
installing the said requirement.
"""
def __init__(
self,
req, # type: Optional[Requirement]
comes_from, # type: Optional[Union[str, InstallRequirement]]
source_dir=None, # type: Optional[str]
editable=False, # type: bool
link=None, # type: Optional[Link]
markers=None, # type: Optional[Marker]
use_pep517=None, # type: Optional[bool]
isolated=False, # type: bool
options=None, # type: Optional[Dict[str, Any]]
wheel_cache=None, # type: Optional[WheelCache]
constraint=False, # type: bool
extras=() # type: Iterable[str]
):
# type: (...) -> None
assert req is None or isinstance(req, Requirement), req
self.req = req
self.comes_from = comes_from
self.constraint = constraint
if source_dir is None:
self.source_dir = None # type: Optional[str]
else:
self.source_dir = os.path.normpath(os.path.abspath(source_dir))
self.editable = editable
self._wheel_cache = wheel_cache
if link is None and req and req.url:
# PEP 508 URL requirement
link = Link(req.url)
self.link = self.original_link = link
if extras:
self.extras = extras
elif req:
self.extras = {
pkg_resources.safe_extra(extra) for extra in req.extras
}
else:
self.extras = set()
if markers is None and req:
markers = req.marker
self.markers = markers
# This holds the pkg_resources.Distribution object if this requirement
# is already available:
self.satisfied_by = None
# This hold the pkg_resources.Distribution object if this requirement
# conflicts with another installed distribution:
self.conflicts_with = None
# Temporary build location
self._temp_build_dir = None # type: Optional[TempDirectory]
# Used to store the global directory where the _temp_build_dir should
# have been created. Cf move_to_correct_build_directory method.
self._ideal_build_dir = None # type: Optional[str]
# Set to True after successful installation
self.install_succeeded = None # type: Optional[bool]
self.options = options if options else {}
# Set to True after successful preparation of this requirement
self.prepared = False
self.is_direct = False
self.isolated = isolated
self.build_env = NoOpBuildEnvironment() # type: BuildEnvironment
# For PEP 517, the directory where we request the project metadata
# gets stored. We need this to pass to build_wheel, so the backend
# can ensure that the wheel matches the metadata (see the PEP for
# details).
self.metadata_directory = None # type: Optional[str]
# The static build requirements (from pyproject.toml)
self.pyproject_requires = None # type: Optional[List[str]]
# Build requirements that we will check are available
self.requirements_to_check = [] # type: List[str]
# The PEP 517 backend we should use to build the project
self.pep517_backend = None # type: Optional[Pep517HookCaller]
# Are we using PEP 517 for this requirement?
# After pyproject.toml has been loaded, the only valid values are True
# and False. Before loading, None is valid (meaning "use the default").
# Setting an explicit value before loading pyproject.toml is supported,
# but after loading this flag should be treated as read only.
self.use_pep517 = use_pep517
def __str__(self):
# type: () -> str
if self.req:
s = str(self.req)
if self.link:
s += ' from %s' % redact_auth_from_url(self.link.url)
elif self.link:
s = redact_auth_from_url(self.link.url)
else:
s = '<InstallRequirement>'
if self.satisfied_by is not None:
s += ' in %s' % display_path(self.satisfied_by.location)
if self.comes_from:
if isinstance(self.comes_from, six.string_types):
comes_from = self.comes_from # type: Optional[str]
else:
comes_from = self.comes_from.from_path()
if comes_from:
s += ' (from %s)' % comes_from
return s
def __repr__(self):
# type: () -> str
return '<%s object: %s editable=%r>' % (
self.__class__.__name__, str(self), self.editable)
def format_debug(self):
# type: () -> str
"""An un-tested helper for getting state, for debugging.
"""
attributes = vars(self)
names = sorted(attributes)
state = (
"{}={!r}".format(attr, attributes[attr]) for attr in sorted(names)
)
return '<{name} object: {{{state}}}>'.format(
name=self.__class__.__name__,
state=", ".join(state),
)
def populate_link(self, finder, upgrade, require_hashes):
# type: (PackageFinder, bool, bool) -> None
"""Ensure that if a link can be found for this, that it is found.
Note that self.link may still be None - if Upgrade is False and the
requirement is already installed.
If require_hashes is True, don't use the wheel cache, because cached
wheels, always built locally, have different hashes than the files
downloaded from the index server and thus throw false hash mismatches.
Furthermore, cached wheels at present have undeterministic contents due
to file modification times.
"""
if self.link is None:
self.link = finder.find_requirement(self, upgrade)
if self._wheel_cache is not None and not require_hashes:
old_link = self.link
supported_tags = pep425tags.get_supported()
self.link = self._wheel_cache.get(
link=self.link,
package_name=self.name,
supported_tags=supported_tags,
)
if old_link != self.link:
logger.debug('Using cached wheel link: %s', self.link)
# Things that are valid for all kinds of requirements?
@property
def name(self):
# type: () -> Optional[str]
if self.req is None:
return None
return native_str(pkg_resources.safe_name(self.req.name))
@property
def specifier(self):
# type: () -> SpecifierSet
return self.req.specifier
@property
def is_pinned(self):
# type: () -> bool
"""Return whether I am pinned to an exact version.
For example, some-package==1.2 is pinned; some-package>1.2 is not.
"""
specifiers = self.specifier
return (len(specifiers) == 1 and
next(iter(specifiers)).operator in {'==', '==='})
@property
def installed_version(self):
# type: () -> Optional[str]
return get_installed_version(self.name)
def match_markers(self, extras_requested=None):
# type: (Optional[Iterable[str]]) -> bool
if not extras_requested:
# Provide an extra to safely evaluate the markers
# without matching any extra
extras_requested = ('',)
if self.markers is not None:
return any(
self.markers.evaluate({'extra': extra})
for extra in extras_requested)
else:
return True
@property
def has_hash_options(self):
# type: () -> bool
"""Return whether any known-good hashes are specified as options.
These activate --require-hashes mode; hashes specified as part of a
URL do not.
"""
return bool(self.options.get('hashes', {}))
def hashes(self, trust_internet=True):
# type: (bool) -> Hashes
"""Return a hash-comparer that considers my option- and URL-based
hashes to be known-good.
Hashes in URLs--ones embedded in the requirements file, not ones
downloaded from an index server--are almost peers with ones from
flags. They satisfy --require-hashes (whether it was implicitly or
explicitly activated) but do not activate it. md5 and sha224 are not
allowed in flags, which should nudge people toward good algos. We
always OR all hashes together, even ones from URLs.
:param trust_internet: Whether to trust URL-based (#md5=...) hashes
downloaded from the internet, as by populate_link()
"""
good_hashes = self.options.get('hashes', {}).copy()
link = self.link if trust_internet else self.original_link
if link and link.hash:
good_hashes.setdefault(link.hash_name, []).append(link.hash)
return Hashes(good_hashes)
def from_path(self):
# type: () -> Optional[str]
"""Format a nice indicator to show where this "comes from"
"""
if self.req is None:
return None
s = str(self.req)
if self.comes_from:
if isinstance(self.comes_from, six.string_types):
comes_from = self.comes_from
else:
comes_from = self.comes_from.from_path()
if comes_from:
s += '->' + comes_from
return s
def ensure_build_location(self, build_dir):
# type: (str) -> str
assert build_dir is not None
if self._temp_build_dir is not None:
assert self._temp_build_dir.path
return self._temp_build_dir.path
if self.req is None:
# for requirement via a path to a directory: the name of the
# package is not available yet so we create a temp directory
# Once run_egg_info will have run, we'll be able to fix it via
# move_to_correct_build_directory().
# Some systems have /tmp as a symlink which confuses custom
# builds (such as numpy). Thus, we ensure that the real path
# is returned.
self._temp_build_dir = TempDirectory(kind="req-build")
self._ideal_build_dir = build_dir
return self._temp_build_dir.path
if self.editable:
name = self.name.lower()
else:
name = self.name
# FIXME: Is there a better place to create the build_dir? (hg and bzr
# need this)
if not os.path.exists(build_dir):
logger.debug('Creating directory %s', build_dir)
_make_build_dir(build_dir)
return os.path.join(build_dir, name)
def move_to_correct_build_directory(self):
# type: () -> None
"""Move self._temp_build_dir to "self._ideal_build_dir/self.req.name"
For some requirements (e.g. a path to a directory), the name of the
package is not available until we run egg_info, so the build_location
will return a temporary directory and store the _ideal_build_dir.
This is only called to "fix" the build directory after generating
metadata.
"""
if self.source_dir is not None:
return
assert self.req is not None
assert self._temp_build_dir
assert (
self._ideal_build_dir is not None and
self._ideal_build_dir.path # type: ignore
)
old_location = self._temp_build_dir
self._temp_build_dir = None # checked inside ensure_build_location
# Figure out the correct place to put the files.
new_location = self.ensure_build_location(self._ideal_build_dir)
if os.path.exists(new_location):
raise InstallationError(
'A package already exists in %s; please remove it to continue'
% display_path(new_location)
)
# Move the files to the correct location.
logger.debug(
'Moving package %s from %s to new location %s',
self, display_path(old_location.path), display_path(new_location),
)
shutil.move(old_location.path, new_location)
# Update directory-tracking variables, to be in line with new_location
self.source_dir = os.path.normpath(os.path.abspath(new_location))
self._temp_build_dir = TempDirectory(
path=new_location, kind="req-install",
)
# Correct the metadata directory, if it exists
if self.metadata_directory:
old_meta = self.metadata_directory
rel = os.path.relpath(old_meta, start=old_location.path)
new_meta = os.path.join(new_location, rel)
new_meta = os.path.normpath(os.path.abspath(new_meta))
self.metadata_directory = new_meta
# Done with any "move built files" work, since have moved files to the
# "ideal" build location. Setting to None allows to clearly flag that
# no more moves are needed.
self._ideal_build_dir = None
def remove_temporary_source(self):
# type: () -> None
"""Remove the source files from this requirement, if they are marked
for deletion"""
if self.source_dir and has_delete_marker_file(self.source_dir):
logger.debug('Removing source in %s', self.source_dir)
rmtree(self.source_dir)
self.source_dir = None
if self._temp_build_dir:
self._temp_build_dir.cleanup()
self._temp_build_dir = None
self.build_env.cleanup()
def check_if_exists(self, use_user_site):
# type: (bool) -> bool
"""Find an installed distribution that satisfies or conflicts
with this requirement, and set self.satisfied_by or
self.conflicts_with appropriately.
"""
if self.req is None:
return False
try:
# get_distribution() will resolve the entire list of requirements
# anyway, and we've already determined that we need the requirement
# in question, so strip the marker so that we don't try to
# evaluate it.
no_marker = Requirement(str(self.req))
no_marker.marker = None
self.satisfied_by = pkg_resources.get_distribution(str(no_marker))
if self.editable and self.satisfied_by:
self.conflicts_with = self.satisfied_by
# when installing editables, nothing pre-existing should ever
# satisfy
self.satisfied_by = None
return True
except pkg_resources.DistributionNotFound:
return False
except pkg_resources.VersionConflict:
existing_dist = pkg_resources.get_distribution(
self.req.name
)
if use_user_site:
if dist_in_usersite(existing_dist):
self.conflicts_with = existing_dist
elif (running_under_virtualenv() and
dist_in_site_packages(existing_dist)):
raise InstallationError(
"Will not install to the user site because it will "
"lack sys.path precedence to %s in %s" %
(existing_dist.project_name, existing_dist.location)
)
elif dist_in_install_path(existing_dist):
self.conflicts_with = existing_dist
return True
# Things valid for wheels
@property
def is_wheel(self):
# type: () -> bool
if not self.link:
return False
return self.link.is_wheel
def move_wheel_files(
self,
wheeldir, # type: str
root=None, # type: Optional[str]
home=None, # type: Optional[str]
prefix=None, # type: Optional[str]
warn_script_location=True, # type: bool
use_user_site=False, # type: bool
pycompile=True # type: bool
):
# type: (...) -> None
wheel.move_wheel_files(
self.name, self.req, wheeldir,
user=use_user_site,
home=home,
root=root,
prefix=prefix,
pycompile=pycompile,
isolated=self.isolated,
warn_script_location=warn_script_location,
)
# Things valid for sdists
@property
def unpacked_source_directory(self):
# type: () -> str
return os.path.join(
self.source_dir,
self.link and self.link.subdirectory_fragment or '')
@property
def setup_py_path(self):
# type: () -> str
assert self.source_dir, "No source dir for %s" % self
setup_py = os.path.join(self.unpacked_source_directory, 'setup.py')
# Python2 __file__ should not be unicode
if six.PY2 and isinstance(setup_py, six.text_type):
setup_py = setup_py.encode(sys.getfilesystemencoding())
return setup_py
@property
def pyproject_toml_path(self):
# type: () -> str
assert self.source_dir, "No source dir for %s" % self
return make_pyproject_path(self.unpacked_source_directory)
def load_pyproject_toml(self):
# type: () -> None
"""Load the pyproject.toml file.
After calling this routine, all of the attributes related to PEP 517
processing for this requirement have been set. In particular, the
use_pep517 attribute can be used to determine whether we should
follow the PEP 517 or legacy (setup.py) code path.
"""
pyproject_toml_data = load_pyproject_toml(
self.use_pep517,
self.pyproject_toml_path,
self.setup_py_path,
str(self)
)
if pyproject_toml_data is None:
self.use_pep517 = False
return
self.use_pep517 = True
requires, backend, check = pyproject_toml_data
self.requirements_to_check = check
self.pyproject_requires = requires
self.pep517_backend = Pep517HookCaller(
self.unpacked_source_directory, backend
)
def prepare_metadata(self):
# type: () -> None
"""Ensure that project metadata is available.
Under PEP 517, call the backend hook to prepare the metadata.
Under legacy processing, call setup.py egg-info.
"""
assert self.source_dir
metadata_generator = get_metadata_generator(self)
with indent_log():
self.metadata_directory = metadata_generator(self)
if not self.req:
if isinstance(parse_version(self.metadata["Version"]), Version):
op = "=="
else:
op = "==="
self.req = Requirement(
"".join([
self.metadata["Name"],
op,
self.metadata["Version"],
])
)
self.move_to_correct_build_directory()
else:
metadata_name = canonicalize_name(self.metadata["Name"])
if canonicalize_name(self.req.name) != metadata_name:
logger.warning(
'Generating metadata for package %s '
'produced metadata for project name %s. Fix your '
'#egg=%s fragments.',
self.name, metadata_name, self.name
)
self.req = Requirement(metadata_name)
def prepare_pep517_metadata(self):
# type: () -> str
assert self.pep517_backend is not None
# NOTE: This needs to be refactored to stop using atexit
metadata_tmpdir = TempDirectory(kind="modern-metadata")
atexit.register(metadata_tmpdir.cleanup)
metadata_dir = metadata_tmpdir.path
with self.build_env:
# Note that Pep517HookCaller implements a fallback for
# prepare_metadata_for_build_wheel, so we don't have to
# consider the possibility that this hook doesn't exist.
runner = runner_with_spinner_message("Preparing wheel metadata")
backend = self.pep517_backend
with backend.subprocess_runner(runner):
distinfo_dir = backend.prepare_metadata_for_build_wheel(
metadata_dir
)
return os.path.join(metadata_dir, distinfo_dir)
@property
def metadata(self):
# type: () -> Any
if not hasattr(self, '_metadata'):
self._metadata = get_metadata(self.get_dist())
return self._metadata
def get_dist(self):
# type: () -> Distribution
"""Return a pkg_resources.Distribution for this requirement"""
dist_dir = self.metadata_directory.rstrip(os.sep)
# Determine the correct Distribution object type.
if dist_dir.endswith(".egg-info"):
dist_cls = pkg_resources.Distribution
else:
assert dist_dir.endswith(".dist-info")
dist_cls = pkg_resources.DistInfoDistribution
# Build a PathMetadata object, from path to metadata. :wink:
base_dir, dist_dir_name = os.path.split(dist_dir)
dist_name = os.path.splitext(dist_dir_name)[0]
metadata = pkg_resources.PathMetadata(base_dir, dist_dir)
return dist_cls(
base_dir,
project_name=dist_name,
metadata=metadata,
)
def assert_source_matches_version(self):
# type: () -> None
assert self.source_dir
version = self.metadata['version']
if self.req.specifier and version not in self.req.specifier:
logger.warning(
'Requested %s, but installing version %s',
self,
version,
)
else:
logger.debug(
'Source in %s has version %s, which satisfies requirement %s',
display_path(self.source_dir),
version,
self,
)
# For both source distributions and editables
def ensure_has_source_dir(self, parent_dir):
# type: (str) -> None
"""Ensure that a source_dir is set.
This will create a temporary build dir if the name of the requirement
isn't known yet.
:param parent_dir: The ideal pip parent_dir for the source_dir.
Generally src_dir for editables and build_dir for sdists.
:return: self.source_dir
"""
if self.source_dir is None:
self.source_dir = self.ensure_build_location(parent_dir)
# For editable installations
def install_editable(
self,
install_options, # type: List[str]
global_options=(), # type: Sequence[str]
prefix=None # type: Optional[str]
):
# type: (...) -> None
logger.info('Running setup.py develop for %s', self.name)
if prefix:
prefix_param = ['--prefix={}'.format(prefix)]
install_options = list(install_options) + prefix_param
base_cmd = make_setuptools_shim_args(
self.setup_py_path,
global_options=global_options,
no_user_config=self.isolated
)
with indent_log():
with self.build_env:
call_subprocess(
base_cmd +
['develop', '--no-deps'] +
list(install_options),
cwd=self.unpacked_source_directory,
)
self.install_succeeded = True
def update_editable(self, obtain=True):
# type: (bool) -> None
if not self.link:
logger.debug(
"Cannot update repository at %s; repository location is "
"unknown",
self.source_dir,
)
return
assert self.editable
assert self.source_dir
if self.link.scheme == 'file':
# Static paths don't get updated
return
assert '+' in self.link.url, "bad url: %r" % self.link.url
vc_type, url = self.link.url.split('+', 1)
vcs_backend = vcs.get_backend(vc_type)
if vcs_backend:
hidden_url = hide_url(self.link.url)
if obtain:
vcs_backend.obtain(self.source_dir, url=hidden_url)
else:
vcs_backend.export(self.source_dir, url=hidden_url)
else:
assert 0, (
'Unexpected version control type (in %s): %s'
% (self.link, vc_type))
# Top-level Actions
def uninstall(self, auto_confirm=False, verbose=False,
use_user_site=False):
# type: (bool, bool, bool) -> Optional[UninstallPathSet]
"""
Uninstall the distribution currently satisfying this requirement.
Prompts before removing or modifying files unless
``auto_confirm`` is True.
Refuses to delete or modify files outside of ``sys.prefix`` -
thus uninstallation within a virtual environment can only
modify that virtual environment, even if the virtualenv is
linked to global site-packages.
"""
if not self.check_if_exists(use_user_site):
logger.warning("Skipping %s as it is not installed.", self.name)
return None
dist = self.satisfied_by or self.conflicts_with
uninstalled_pathset = UninstallPathSet.from_dist(dist)
uninstalled_pathset.remove(auto_confirm, verbose)
return uninstalled_pathset
def _clean_zip_name(self, name, prefix): # only used by archive.
# type: (str, str) -> str
assert name.startswith(prefix + os.path.sep), (
"name %r doesn't start with prefix %r" % (name, prefix)
)
name = name[len(prefix) + 1:]
name = name.replace(os.path.sep, '/')
return name
def _get_archive_name(self, path, parentdir, rootdir):
# type: (str, str, str) -> str
path = os.path.join(parentdir, path)
name = self._clean_zip_name(path, rootdir)
return self.name + '/' + name
def archive(self, build_dir):
# type: (str) -> None
"""Saves archive to provided build_dir.
Used for saving downloaded VCS requirements as part of `pip download`.
"""
assert self.source_dir
create_archive = True
archive_name = '%s-%s.zip' % (self.name, self.metadata["version"])
archive_path = os.path.join(build_dir, archive_name)
if os.path.exists(archive_path):
response = ask_path_exists(
'The file %s exists. (i)gnore, (w)ipe, (b)ackup, (a)bort ' %
display_path(archive_path), ('i', 'w', 'b', 'a'))
if response == 'i':
create_archive = False
elif response == 'w':
logger.warning('Deleting %s', display_path(archive_path))
os.remove(archive_path)
elif response == 'b':
dest_file = backup_dir(archive_path)
logger.warning(
'Backing up %s to %s',
display_path(archive_path),
display_path(dest_file),
)
shutil.move(archive_path, dest_file)
elif response == 'a':
sys.exit(-1)
if not create_archive:
return
zip_output = zipfile.ZipFile(
archive_path, 'w', zipfile.ZIP_DEFLATED, allowZip64=True,
)
with zip_output:
dir = os.path.normcase(
os.path.abspath(self.unpacked_source_directory)
)
for dirpath, dirnames, filenames in os.walk(dir):
if 'pip-egg-info' in dirnames:
dirnames.remove('pip-egg-info')
for dirname in dirnames:
dir_arcname = self._get_archive_name(
dirname, parentdir=dirpath, rootdir=dir,
)
zipdir = zipfile.ZipInfo(dir_arcname + '/')
zipdir.external_attr = 0x1ED << 16 # 0o755
zip_output.writestr(zipdir, '')
for filename in filenames:
if filename == PIP_DELETE_MARKER_FILENAME:
continue
file_arcname = self._get_archive_name(
filename, parentdir=dirpath, rootdir=dir,
)
filename = os.path.join(dirpath, filename)
zip_output.write(filename, file_arcname)
logger.info('Saved %s', display_path(archive_path))
def install(
self,
install_options, # type: List[str]
global_options=None, # type: Optional[Sequence[str]]
root=None, # type: Optional[str]
home=None, # type: Optional[str]
prefix=None, # type: Optional[str]
warn_script_location=True, # type: bool
use_user_site=False, # type: bool
pycompile=True # type: bool
):
# type: (...) -> None
global_options = global_options if global_options is not None else []
if self.editable:
self.install_editable(
install_options, global_options, prefix=prefix,
)
return
if self.is_wheel:
version = wheel.wheel_version(self.source_dir)
wheel.check_compatibility(version, self.name)
self.move_wheel_files(
self.source_dir, root=root, prefix=prefix, home=home,
warn_script_location=warn_script_location,
use_user_site=use_user_site, pycompile=pycompile,
)
self.install_succeeded = True
return
# Extend the list of global and install options passed on to
# the setup.py call with the ones from the requirements file.
# Options specified in requirements file override those
# specified on the command line, since the last option given
# to setup.py is the one that is used.
global_options = list(global_options) + \
self.options.get('global_options', [])
install_options = list(install_options) + \
self.options.get('install_options', [])
with TempDirectory(kind="record") as temp_dir:
record_filename = os.path.join(temp_dir.path, 'install-record.txt')
install_args = self.get_install_args(
global_options, record_filename, root, prefix, pycompile,
)
runner = runner_with_spinner_message(
"Running setup.py install for {}".format(self.name)
)
with indent_log(), self.build_env:
runner(
cmd=install_args + install_options,
cwd=self.unpacked_source_directory,
)
if not os.path.exists(record_filename):
logger.debug('Record file %s not found', record_filename)
return
self.install_succeeded = True
def prepend_root(path):
# type: (str) -> str
if root is None or not os.path.isabs(path):
return path
else:
return change_root(root, path)
with open(record_filename) as f:
for line in f:
directory = os.path.dirname(line)
if directory.endswith('.egg-info'):
egg_info_dir = prepend_root(directory)
break
else:
logger.warning(
'Could not find .egg-info directory in install record'
' for %s',
self,
)
# FIXME: put the record somewhere
return
new_lines = []
with open(record_filename) as f:
for line in f:
filename = line.strip()
if os.path.isdir(filename):
filename += os.path.sep
new_lines.append(
os.path.relpath(prepend_root(filename), egg_info_dir)
)
new_lines.sort()
ensure_dir(egg_info_dir)
inst_files_path = os.path.join(egg_info_dir, 'installed-files.txt')
with open(inst_files_path, 'w') as f:
f.write('\n'.join(new_lines) + '\n')
def get_install_args(
self,
global_options, # type: Sequence[str]
record_filename, # type: str
root, # type: Optional[str]
prefix, # type: Optional[str]
pycompile # type: bool
):
# type: (...) -> List[str]
install_args = make_setuptools_shim_args(
self.setup_py_path,
global_options=global_options,
no_user_config=self.isolated,
unbuffered_output=True
)
install_args += ['install', '--record', record_filename]
install_args += ['--single-version-externally-managed']
if root is not None:
install_args += ['--root', root]
if prefix is not None:
install_args += ['--prefix', prefix]
if pycompile:
install_args += ["--compile"]
else:
install_args += ["--no-compile"]
if running_under_virtualenv():
py_ver_str = 'python' + sysconfig.get_python_version()
install_args += ['--install-headers',
os.path.join(sys.prefix, 'include', 'site',
py_ver_str, self.name)]
return install_args
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