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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