Пример #1
0
    def run(self, options, args):
        cmdoptions.check_install_build_global(options)

        index_urls = [options.index_url] + options.extra_index_urls
        if options.no_index:
            logger.debug('Ignoring indexes: %s', ','.join(index_urls))
            index_urls = []

        if options.build_dir:
            options.build_dir = os.path.abspath(options.build_dir)

        options.src_dir = os.path.abspath(options.src_dir)

        with self._build_session(options) as session:
            finder = self._build_package_finder(options, session)
            build_delete = (not (options.no_clean or options.build_dir))
            wheel_cache = WheelCache(options.cache_dir, options.format_control)

            with RequirementTracker() as req_tracker, TempDirectory(
                options.build_dir, delete=build_delete, kind="wheel"
            ) as directory:

                requirement_set = RequirementSet(
                    require_hashes=options.require_hashes,
                )

                try:
                    self.populate_requirement_set(
                        requirement_set, args, options, finder, session,
                        self.name, wheel_cache
                    )

                    preparer = RequirementPreparer(
                        build_dir=directory.path,
                        src_dir=options.src_dir,
                        download_dir=None,
                        wheel_download_dir=options.wheel_dir,
                        progress_bar=options.progress_bar,
                        build_isolation=options.build_isolation,
                        req_tracker=req_tracker,
                    )

                    resolver = Resolver(
                        preparer=preparer,
                        finder=finder,
                        session=session,
                        wheel_cache=wheel_cache,
                        use_user_site=False,
                        upgrade_strategy="to-satisfy-only",
                        force_reinstall=False,
                        ignore_dependencies=options.ignore_dependencies,
                        ignore_requires_python=options.ignore_requires_python,
                        ignore_installed=True,
                        isolated=options.isolated_mode,
                        use_pep517=options.use_pep517
                    )
                    resolver.resolve(requirement_set)

                    # build wheels
                    wb = WheelBuilder(
                        finder, preparer, wheel_cache,
                        build_options=options.build_options or [],
                        global_options=options.global_options or [],
                        no_clean=options.no_clean,
                    )
                    build_failures = wb.build(
                        requirement_set.requirements.values(), session=session,
                    )
                    if len(build_failures) != 0:
                        raise CommandError(
                            "Failed to build one or more wheels"
                        )
                except PreviousBuildDirError:
                    options.no_clean = True
                    raise
                finally:
                    if not options.no_clean:
                        requirement_set.cleanup_files()
                        wheel_cache.cleanup()
Пример #2
0
    def run(self, options, args):
        cmdoptions.check_install_build_global(options)
        upgrade_strategy = "to-satisfy-only"
        if options.upgrade:
            upgrade_strategy = options.upgrade_strategy

        if options.build_dir:
            options.build_dir = os.path.abspath(options.build_dir)

        cmdoptions.check_dist_restriction(options, check_target=True)

        if options.python_version:
            python_versions = [options.python_version]
        else:
            python_versions = None

        options.src_dir = os.path.abspath(options.src_dir)
        install_options = options.install_options or []
        if options.use_user_site:
            if options.prefix_path:
                raise CommandError(
                    "Can not combine '--user' and '--prefix' as they imply "
                    "different installation locations"
                )
            if virtualenv_no_global():
                raise InstallationError(
                    "Can not perform a '--user' install. User site-packages "
                    "are not visible in this virtualenv."
                )
            install_options.append('--user')
            install_options.append('--prefix=')

        target_temp_dir = TempDirectory(kind="target")
        if options.target_dir:
            options.ignore_installed = True
            options.target_dir = os.path.abspath(options.target_dir)
            if (os.path.exists(options.target_dir) and not
                    os.path.isdir(options.target_dir)):
                raise CommandError(
                    "Target path exists but is not a directory, will not "
                    "continue."
                )

            # Create a target directory for using with the target option
            target_temp_dir.create()
            install_options.append('--home=' + target_temp_dir.path)

        global_options = options.global_options or []

        with self._build_session(options) as session:
            finder = self._build_package_finder(
                options=options,
                session=session,
                platform=options.platform,
                python_versions=python_versions,
                abi=options.abi,
                implementation=options.implementation,
            )
            build_delete = (not (options.no_clean or options.build_dir))
            wheel_cache = WheelCache(options.cache_dir, options.format_control)

            if options.cache_dir and not check_path_owner(options.cache_dir):
                logger.warning(
                    "The directory '%s' or its parent directory is not owned "
                    "by the current user and caching wheels has been "
                    "disabled. check the permissions and owner of that "
                    "directory. If executing pip with sudo, you may want "
                    "sudo's -H flag.",
                    options.cache_dir,
                )
                options.cache_dir = None

            with RequirementTracker() as req_tracker, TempDirectory(
                options.build_dir, delete=build_delete, kind="install"
            ) as directory:
                requirement_set = RequirementSet(
                    require_hashes=options.require_hashes,
                    check_supported_wheels=not options.target_dir,
                )

                try:
                    self.populate_requirement_set(
                        requirement_set, args, options, finder, session,
                        self.name, wheel_cache
                    )
                    preparer = RequirementPreparer(
                        build_dir=directory.path,
                        src_dir=options.src_dir,
                        download_dir=None,
                        wheel_download_dir=None,
                        progress_bar=options.progress_bar,
                        build_isolation=options.build_isolation,
                        req_tracker=req_tracker,
                    )

                    resolver = Resolver(
                        preparer=preparer,
                        finder=finder,
                        session=session,
                        wheel_cache=wheel_cache,
                        use_user_site=options.use_user_site,
                        upgrade_strategy=upgrade_strategy,
                        force_reinstall=options.force_reinstall,
                        ignore_dependencies=options.ignore_dependencies,
                        ignore_requires_python=options.ignore_requires_python,
                        ignore_installed=options.ignore_installed,
                        isolated=options.isolated_mode,
                    )
                    resolver.resolve(requirement_set)

                    protect_pip_from_modification_on_windows(
                        modifying_pip=requirement_set.has_requirement("pip")
                    )

                    # If caching is disabled or wheel is not installed don't
                    # try to build wheels.
                    if wheel and options.cache_dir:
                        # build wheels before install.
                        wb = WheelBuilder(
                            finder, preparer, wheel_cache,
                            build_options=[], global_options=[],
                        )
                        # Ignore the result: a failed wheel will be
                        # installed from the sdist/vcs whatever.
                        wb.build(
                            requirement_set.requirements.values(),
                            session=session, autobuilding=True
                        )

                    to_install = resolver.get_installation_order(
                        requirement_set
                    )

                    # Consistency Checking of the package set we're installing.
                    should_warn_about_conflicts = (
                        not options.ignore_dependencies and
                        options.warn_about_conflicts
                    )
                    if should_warn_about_conflicts:
                        self._warn_about_conflicts(to_install)

                    # Don't warn about script install locations if
                    # --target has been specified
                    warn_script_location = options.warn_script_location
                    if options.target_dir:
                        warn_script_location = False

                    installed = install_given_reqs(
                        to_install,
                        install_options,
                        global_options,
                        root=options.root_path,
                        home=target_temp_dir.path,
                        prefix=options.prefix_path,
                        pycompile=options.compile,
                        warn_script_location=warn_script_location,
                        use_user_site=options.use_user_site,
                    )

                    lib_locations = get_lib_location_guesses(
                        user=options.use_user_site,
                        home=target_temp_dir.path,
                        root=options.root_path,
                        prefix=options.prefix_path,
                        isolated=options.isolated_mode,
                    )
                    working_set = pkg_resources.WorkingSet(lib_locations)

                    reqs = sorted(installed, key=operator.attrgetter('name'))
                    items = []
                    for req in reqs:
                        item = req.name
                        try:
                            installed_version = get_installed_version(
                                req.name, working_set=working_set
                            )
                            if installed_version:
                                item += '-' + installed_version
                        except Exception:
                            pass
                        items.append(item)
                    installed = ' '.join(items)
                    if installed:
                        logger.info('Successfully installed %s', installed)
                except EnvironmentError as error:
                    show_traceback = (self.verbosity >= 1)

                    message = create_env_error_message(
                        error, show_traceback, options.use_user_site,
                    )
                    logger.error(message, exc_info=show_traceback)

                    return ERROR
                except PreviousBuildDirError:
                    options.no_clean = True
                    raise
                finally:
                    # Clean up
                    if not options.no_clean:
                        requirement_set.cleanup_files()
                        wheel_cache.cleanup()

        if options.target_dir:
            self._handle_target_dir(
                options.target_dir, target_temp_dir, options.upgrade
            )
        return requirement_set
Пример #3
0
def process_line(
    line,  # type: Text
    filename,  # type: str
    line_number,  # type: int
    finder=None,  # type: Optional[PackageFinder]
    comes_from=None,  # type: Optional[str]
    options=None,  # type: Optional[optparse.Values]
    session=None,  # type: Optional[PipSession]
    wheel_cache=None,  # type: Optional[WheelCache]
    use_pep517=None,  # type: Optional[bool]
    constraint=False  # type: bool
):
    # type: (...) -> Iterator[InstallRequirement]
    """Process a single requirements line; This can result in creating/yielding
    requirements, or updating the finder.

    For lines that contain requirements, the only options that have an effect
    are from SUPPORTED_OPTIONS_REQ, and they are scoped to the
    requirement. Other options from SUPPORTED_OPTIONS may be present, but are
    ignored.

    For lines that do not contain requirements, the only options that have an
    effect are from SUPPORTED_OPTIONS. Options from SUPPORTED_OPTIONS_REQ may
    be present, but are ignored. These lines may contain multiple options
    (although our docs imply only one is supported), and all our parsed and
    affect the finder.

    :param constraint: If True, parsing a constraints file.
    :param options: OptionParser options that we may update
    """
    parser = build_parser(line)
    defaults = parser.get_default_values()
    defaults.index_url = None
    if finder:
        defaults.format_control = finder.format_control
    args_str, options_str = break_args_options(line)
    # Prior to 2.7.3, shlex cannot deal with unicode entries
    if sys.version_info < (2, 7, 3):
        # https://github.com/python/mypy/issues/1174
        options_str = options_str.encode('utf8')  # type: ignore
    # https://github.com/python/mypy/issues/1174
    opts, _ = parser.parse_args(
        shlex.split(options_str), defaults)  # type: ignore

    # preserve for the nested code path
    line_comes_from = '%s %s (line %s)' % (
        '-c' if constraint else '-r', filename, line_number,
    )

    # yield a line requirement
    if args_str:
        isolated = options.isolated_mode if options else False
        if options:
            cmdoptions.check_install_build_global(options, opts)
        # get the options that apply to requirements
        req_options = {}
        for dest in SUPPORTED_OPTIONS_REQ_DEST:
            if dest in opts.__dict__ and opts.__dict__[dest]:
                req_options[dest] = opts.__dict__[dest]
        yield install_req_from_line(
            args_str, line_comes_from, constraint=constraint,
            use_pep517=use_pep517,
            isolated=isolated, options=req_options, wheel_cache=wheel_cache
        )

    # yield an editable requirement
    elif opts.editables:
        isolated = options.isolated_mode if options else False
        yield install_req_from_editable(
            opts.editables[0], comes_from=line_comes_from,
            use_pep517=use_pep517,
            constraint=constraint, isolated=isolated, wheel_cache=wheel_cache
        )

    # parse a nested requirements file
    elif opts.requirements or opts.constraints:
        if opts.requirements:
            req_path = opts.requirements[0]
            nested_constraint = False
        else:
            req_path = opts.constraints[0]
            nested_constraint = True
        # original file is over http
        if SCHEME_RE.search(filename):
            # do a url join so relative paths work
            req_path = urllib_parse.urljoin(filename, req_path)
        # original file and nested file are paths
        elif not SCHEME_RE.search(req_path):
            # do a join so relative paths work
            req_path = os.path.join(os.path.dirname(filename), req_path)
        # TODO: Why not use `comes_from='-r {} (line {})'` here as well?
        parsed_reqs = parse_requirements(
            req_path, finder, comes_from, options, session,
            constraint=nested_constraint, wheel_cache=wheel_cache
        )
        for req in parsed_reqs:
            yield req

    # percolate hash-checking option upward
    elif opts.require_hashes:
        options.require_hashes = opts.require_hashes

    # set finder options
    elif finder:
        if opts.index_url:
            finder.index_urls = [opts.index_url]
        if opts.no_index is True:
            finder.index_urls = []
        if opts.extra_index_urls:
            finder.index_urls.extend(opts.extra_index_urls)
        if opts.find_links:
            # FIXME: it would be nice to keep track of the source
            # of the find_links: support a find-links local path
            # relative to a requirements file.
            value = opts.find_links[0]
            req_dir = os.path.dirname(os.path.abspath(filename))
            relative_to_reqs_file = os.path.join(req_dir, value)
            if os.path.exists(relative_to_reqs_file):
                value = relative_to_reqs_file
            finder.find_links.append(value)
        if opts.pre:
            finder.allow_all_prereleases = True
        if opts.trusted_hosts:
            finder.secure_origins.extend(
                ("*", host, "*") for host in opts.trusted_hosts)
Пример #4
0
    def run(self, options, args):
        # type: (Values, List[str]) -> int
        cmdoptions.check_install_build_global(options)

        session = self.get_default_session(options)

        finder = self._build_package_finder(options, session)
        build_delete = (not (options.no_clean or options.build_dir))
        wheel_cache = WheelCache(options.cache_dir, options.format_control)

        options.wheel_dir = normalize_path(options.wheel_dir)
        ensure_dir(options.wheel_dir)

        req_tracker = self.enter_context(get_requirement_tracker())

        directory = TempDirectory(
            options.build_dir,
            delete=build_delete,
            kind="wheel",
            globally_managed=True,
        )

        reqs = self.get_requirements(args, options, finder, session)

        preparer = self.make_requirement_preparer(
            temp_build_dir=directory,
            options=options,
            req_tracker=req_tracker,
            session=session,
            finder=finder,
            wheel_download_dir=options.wheel_dir,
            use_user_site=False,
        )

        resolver = self.make_resolver(
            preparer=preparer,
            finder=finder,
            options=options,
            wheel_cache=wheel_cache,
            ignore_requires_python=options.ignore_requires_python,
            use_pep517=options.use_pep517,
        )

        self.trace_basic_info(finder)

        requirement_set = resolver.resolve(
            reqs, check_supported_wheels=True
        )

        reqs_to_build = [
            r for r in requirement_set.requirements.values()
            if should_build_for_wheel_command(r)
        ]

        # build wheels
        build_successes, build_failures = build(
            reqs_to_build,
            wheel_cache=wheel_cache,
            build_options=options.build_options or [],
            global_options=options.global_options or [],
        )
        for req in build_successes:
            assert req.link and req.link.is_wheel
            assert req.local_file_path
            # copy from cache to target directory
            try:
                shutil.copy(req.local_file_path, options.wheel_dir)
            except OSError as e:
                logger.warning(
                    "Building wheel for %s failed: %s",
                    req.name, e,
                )
                build_failures.append(req)
        if len(build_failures) != 0:
            raise CommandError(
                "Failed to build one or more wheels"
            )

        return SUCCESS
Пример #5
0
    def run(self, options: Values, args: List[str]) -> int:
        if options.use_user_site and options.target_dir is not None:
            raise CommandError("Can not combine '--user' and '--target'")

        cmdoptions.check_install_build_global(options)
        upgrade_strategy = "to-satisfy-only"
        if options.upgrade:
            upgrade_strategy = options.upgrade_strategy

        cmdoptions.check_dist_restriction(options, check_target=True)

        install_options = options.install_options or []

        logger.verbose("Using %s", get_pip_version())
        options.use_user_site = decide_user_install(
            options.use_user_site,
            prefix_path=options.prefix_path,
            target_dir=options.target_dir,
            root_path=options.root_path,
            isolated_mode=options.isolated_mode,
        )

        target_temp_dir: Optional[TempDirectory] = None
        target_temp_dir_path: Optional[str] = None
        if options.target_dir:
            options.ignore_installed = True
            options.target_dir = os.path.abspath(options.target_dir)
            if (
                # fmt: off
                os.path.exists(options.target_dir) and
                not os.path.isdir(options.target_dir)
                # fmt: on
            ):
                raise CommandError(
                    "Target path exists but is not a directory, will not continue."
                )

            # Create a target directory for using with the target option
            target_temp_dir = TempDirectory(kind="target")
            target_temp_dir_path = target_temp_dir.path
            self.enter_context(target_temp_dir)

        global_options = options.global_options or []

        session = self.get_default_session(options)

        target_python = make_target_python(options)
        finder = self._build_package_finder(
            options=options,
            session=session,
            target_python=target_python,
            ignore_requires_python=options.ignore_requires_python,
        )
        wheel_cache = WheelCache(options.cache_dir, options.format_control)

        build_tracker = self.enter_context(get_build_tracker())

        directory = TempDirectory(
            delete=not options.no_clean,
            kind="install",
            globally_managed=True,
        )

        try:
            reqs = self.get_requirements(args, options, finder, session)

            # Only when installing is it permitted to use PEP 660.
            # In other circumstances (pip wheel, pip download) we generate
            # regular (i.e. non editable) metadata and wheels.
            for req in reqs:
                req.permit_editable_wheels = True

            reject_location_related_install_options(reqs, options.install_options)

            preparer = self.make_requirement_preparer(
                temp_build_dir=directory,
                options=options,
                build_tracker=build_tracker,
                session=session,
                finder=finder,
                use_user_site=options.use_user_site,
                verbosity=self.verbosity,
            )
            resolver = self.make_resolver(
                preparer=preparer,
                finder=finder,
                options=options,
                wheel_cache=wheel_cache,
                use_user_site=options.use_user_site,
                ignore_installed=options.ignore_installed,
                ignore_requires_python=options.ignore_requires_python,
                force_reinstall=options.force_reinstall,
                upgrade_strategy=upgrade_strategy,
                use_pep517=options.use_pep517,
            )

            self.trace_basic_info(finder)

            requirement_set = resolver.resolve(
                reqs, check_supported_wheels=not options.target_dir
            )

            try:
                pip_req = requirement_set.get_requirement("pip")
            except KeyError:
                modifying_pip = False
            else:
                # If we're not replacing an already installed pip,
                # we're not modifying it.
                modifying_pip = pip_req.satisfied_by is None
            protect_pip_from_modification_on_windows(modifying_pip=modifying_pip)

            check_binary_allowed = get_check_binary_allowed(finder.format_control)

            reqs_to_build = [
                r
                for r in requirement_set.requirements.values()
                if should_build_for_install_command(r, check_binary_allowed)
            ]

            _, build_failures = build(
                reqs_to_build,
                wheel_cache=wheel_cache,
                verify=True,
                build_options=[],
                global_options=[],
            )

            # If we're using PEP 517, we cannot do a legacy setup.py install
            # so we fail here.
            pep517_build_failure_names: List[str] = [
                r.name for r in build_failures if r.use_pep517  # type: ignore
            ]
            if pep517_build_failure_names:
                raise InstallationError(
                    "Could not build wheels for {}, which is required to "
                    "install pyproject.toml-based projects".format(
                        ", ".join(pep517_build_failure_names)
                    )
                )

            # For now, we just warn about failures building legacy
            # requirements, as we'll fall through to a setup.py install for
            # those.
            for r in build_failures:
                if not r.use_pep517:
                    r.legacy_install_reason = 8368

            to_install = resolver.get_installation_order(requirement_set)

            # Check for conflicts in the package set we're installing.
            conflicts: Optional[ConflictDetails] = None
            should_warn_about_conflicts = (
                not options.ignore_dependencies and options.warn_about_conflicts
            )
            if should_warn_about_conflicts:
                conflicts = self._determine_conflicts(to_install)

            # Don't warn about script install locations if
            # --target or --prefix has been specified
            warn_script_location = options.warn_script_location
            if options.target_dir or options.prefix_path:
                warn_script_location = False

            installed = install_given_reqs(
                to_install,
                install_options,
                global_options,
                root=options.root_path,
                home=target_temp_dir_path,
                prefix=options.prefix_path,
                warn_script_location=warn_script_location,
                use_user_site=options.use_user_site,
                pycompile=options.compile,
            )

            lib_locations = get_lib_location_guesses(
                user=options.use_user_site,
                home=target_temp_dir_path,
                root=options.root_path,
                prefix=options.prefix_path,
                isolated=options.isolated_mode,
            )
            env = get_environment(lib_locations)

            installed.sort(key=operator.attrgetter("name"))
            items = []
            for result in installed:
                item = result.name
                try:
                    installed_dist = env.get_distribution(item)
                    if installed_dist is not None:
                        item = f"{item}-{installed_dist.version}"
                except Exception:
                    pass
                items.append(item)

            if conflicts is not None:
                self._warn_about_conflicts(
                    conflicts,
                    resolver_variant=self.determine_resolver_variant(options),
                )

            installed_desc = " ".join(items)
            if installed_desc:
                write_output(
                    "Successfully installed %s",
                    installed_desc,
                )
        except OSError as error:
            show_traceback = self.verbosity >= 1

            message = create_os_error_message(
                error,
                show_traceback,
                options.use_user_site,
            )
            logger.error(message, exc_info=show_traceback)  # noqa

            return ERROR

        if options.target_dir:
            assert target_temp_dir
            self._handle_target_dir(
                options.target_dir, target_temp_dir, options.upgrade
            )
        if options.root_user_action == "warn":
            warn_if_run_as_root()
        return SUCCESS
Пример #6
0
    def run(self, options, args):
        # type: (Values, List[str]) -> int
        if options.use_user_site and options.target_dir is not None:
            raise CommandError("Can not combine '--user' and '--target'")

        cmdoptions.check_install_build_global(options)
        upgrade_strategy = "to-satisfy-only"
        if options.upgrade:
            upgrade_strategy = options.upgrade_strategy

        cmdoptions.check_dist_restriction(options, check_target=True)

        install_options = options.install_options or []

        logger.debug("Using %s", get_pip_version())
        options.use_user_site = decide_user_install(
            options.use_user_site,
            prefix_path=options.prefix_path,
            target_dir=options.target_dir,
            root_path=options.root_path,
            isolated_mode=options.isolated_mode,
        )

        target_temp_dir = None  # type: Optional[TempDirectory]
        target_temp_dir_path = None  # type: Optional[str]
        if options.target_dir:
            options.ignore_installed = True
            options.target_dir = os.path.abspath(options.target_dir)
            if (os.path.exists(options.target_dir)
                    and not os.path.isdir(options.target_dir)):
                raise CommandError(
                    "Target path exists but is not a directory, will not "
                    "continue.")

            # Create a target directory for using with the target option
            target_temp_dir = TempDirectory(kind="target")
            target_temp_dir_path = target_temp_dir.path
            self.enter_context(target_temp_dir)

        global_options = options.global_options or []

        session = self.get_default_session(options)

        target_python = make_target_python(options)
        finder = self._build_package_finder(
            options=options,
            session=session,
            target_python=target_python,
            ignore_requires_python=options.ignore_requires_python,
        )
        build_delete = (not (options.no_clean or options.build_dir))
        wheel_cache = WheelCache(options.cache_dir, options.format_control)

        req_tracker = self.enter_context(get_requirement_tracker())

        directory = TempDirectory(
            options.build_dir,
            delete=build_delete,
            kind="install",
            globally_managed=True,
        )

        try:
            reqs = self.get_requirements(args, options, finder, session)

            reject_location_related_install_options(reqs,
                                                    options.install_options)

            preparer = self.make_requirement_preparer(
                temp_build_dir=directory,
                options=options,
                req_tracker=req_tracker,
                session=session,
                finder=finder,
                use_user_site=options.use_user_site,
            )
            resolver = self.make_resolver(
                preparer=preparer,
                finder=finder,
                options=options,
                wheel_cache=wheel_cache,
                use_user_site=options.use_user_site,
                ignore_installed=options.ignore_installed,
                ignore_requires_python=options.ignore_requires_python,
                force_reinstall=options.force_reinstall,
                upgrade_strategy=upgrade_strategy,
                use_pep517=options.use_pep517,
            )

            self.trace_basic_info(finder)

            requirement_set = resolver.resolve(
                reqs, check_supported_wheels=not options.target_dir)

            try:
                pip_req = requirement_set.get_requirement("pip")
            except KeyError:
                modifying_pip = False
            else:
                # If we're not replacing an already installed pip,
                # we're not modifying it.
                modifying_pip = pip_req.satisfied_by is None
            protect_pip_from_modification_on_windows(
                modifying_pip=modifying_pip)

            check_binary_allowed = get_check_binary_allowed(
                finder.format_control)

            reqs_to_build = [
                r for r in requirement_set.requirements.values()
                if should_build_for_install_command(r, check_binary_allowed)
            ]

            _, build_failures = build(
                reqs_to_build,
                wheel_cache=wheel_cache,
                build_options=[],
                global_options=[],
            )

            # If we're using PEP 517, we cannot do a direct install
            # so we fail here.
            pep517_build_failure_names = [
                r.name  # type: ignore
                for r in build_failures if r.use_pep517
            ]  # type: List[str]
            if pep517_build_failure_names:
                raise InstallationError(
                    "Could not build wheels for {} which use"
                    " PEP 517 and cannot be installed directly".format(
                        ", ".join(pep517_build_failure_names)))

            # For now, we just warn about failures building legacy
            # requirements, as we'll fall through to a direct
            # install for those.
            for r in build_failures:
                if not r.use_pep517:
                    r.legacy_install_reason = 8368

            to_install = resolver.get_installation_order(requirement_set)

            # Check for conflicts in the package set we're installing.
            conflicts = None  # type: Optional[ConflictDetails]
            should_warn_about_conflicts = (not options.ignore_dependencies
                                           and options.warn_about_conflicts)
            if should_warn_about_conflicts:
                conflicts = self._determine_conflicts(to_install)

            # Don't warn about script install locations if
            # --target has been specified
            warn_script_location = options.warn_script_location
            if options.target_dir:
                warn_script_location = False

            installed = install_given_reqs(
                to_install,
                install_options,
                global_options,
                root=options.root_path,
                home=target_temp_dir_path,
                prefix=options.prefix_path,
                warn_script_location=warn_script_location,
                use_user_site=options.use_user_site,
                pycompile=options.compile,
            )

            lib_locations = get_lib_location_guesses(
                user=options.use_user_site,
                home=target_temp_dir_path,
                root=options.root_path,
                prefix=options.prefix_path,
                isolated=options.isolated_mode,
            )
            working_set = pkg_resources.WorkingSet(lib_locations)

            installed.sort(key=operator.attrgetter('name'))
            items = []
            for result in installed:
                item = result.name
                try:
                    installed_version = get_installed_version(
                        result.name, working_set=working_set)
                    if installed_version:
                        item += '-' + installed_version
                except Exception:
                    pass
                items.append(item)

            if conflicts is not None:
                self._warn_about_conflicts(
                    conflicts,
                    new_resolver='2020-resolver' in options.features_enabled,
                )

            installed_desc = ' '.join(items)
            if installed_desc:
                write_output(
                    'Successfully installed %s',
                    installed_desc,
                )
        except EnvironmentError as error:
            show_traceback = (self.verbosity >= 1)

            message = create_env_error_message(
                error,
                show_traceback,
                options.use_user_site,
            )
            logger.error(message, exc_info=show_traceback)  # noqa

            return ERROR

        if options.target_dir:
            assert target_temp_dir
            self._handle_target_dir(options.target_dir, target_temp_dir,
                                    options.upgrade)

        return SUCCESS
Пример #7
0
    def run(self, options, args):
        cmdoptions.check_install_build_global(options)

        if options.build_dir:
            options.build_dir = os.path.abspath(options.build_dir)

        options.src_dir = os.path.abspath(options.src_dir)

        with self._build_session(options) as session:
            finder = self._build_package_finder(options, session)
            build_delete = (not (options.no_clean or options.build_dir))
            wheel_cache = WheelCache(options.cache_dir, options.format_control)

            with RequirementTracker() as req_tracker, TempDirectory(
                options.build_dir, delete=build_delete, kind="wheel"
            ) as directory:

                requirement_set = RequirementSet(
                    require_hashes=options.require_hashes,
                )

                try:
                    self.populate_requirement_set(
                        requirement_set, args, options, finder, session,
                        self.name, wheel_cache
                    )

                    preparer = RequirementPreparer(
                        build_dir=directory.path,
                        src_dir=options.src_dir,
                        download_dir=None,
                        wheel_download_dir=options.wheel_dir,
                        progress_bar=options.progress_bar,
                        build_isolation=options.build_isolation,
                        req_tracker=req_tracker,
                    )

                    resolver = Resolver(
                        preparer=preparer,
                        finder=finder,
                        session=session,
                        wheel_cache=wheel_cache,
                        use_user_site=False,
                        upgrade_strategy="to-satisfy-only",
                        force_reinstall=False,
                        ignore_dependencies=options.ignore_dependencies,
                        ignore_requires_python=options.ignore_requires_python,
                        ignore_installed=True,
                        isolated=options.isolated_mode,
                        use_pep517=options.use_pep517
                    )
                    resolver.resolve(requirement_set)

                    # build wheels
                    wb = WheelBuilder(
                        finder, preparer, wheel_cache,
                        build_options=options.build_options or [],
                        global_options=options.global_options or [],
                        no_clean=options.no_clean,
                    )
                    build_failures = wb.build(
                        requirement_set.requirements.values(), session=session,
                    )
                    if len(build_failures) != 0:
                        raise CommandError(
                            "Failed to build one or more wheels"
                        )
                except PreviousBuildDirError:
                    options.no_clean = True
                    raise
                finally:
                    if not options.no_clean:
                        requirement_set.cleanup_files()
                        wheel_cache.cleanup()
Пример #8
0
    def run(self, options, args):
        # type: (Values, List[Any]) -> int
        cmdoptions.check_install_build_global(options)
        upgrade_strategy = "to-satisfy-only"
        if options.upgrade:
            upgrade_strategy = options.upgrade_strategy

        cmdoptions.check_dist_restriction(options, check_target=True)

        install_options = options.install_options or []

        options.use_user_site = decide_user_install(
            options.use_user_site,
            prefix_path=options.prefix_path,
            target_dir=options.target_dir,
            root_path=options.root_path,
            isolated_mode=options.isolated_mode,
        )

        target_temp_dir = None  # type: Optional[TempDirectory]
        target_temp_dir_path = None  # type: Optional[str]
        if options.target_dir:
            options.ignore_installed = True
            options.target_dir = os.path.abspath(options.target_dir)
            if os.path.exists(options.target_dir) and not os.path.isdir(
                    options.target_dir):
                raise CommandError(
                    "Target path exists but is not a directory, will not "
                    "continue.")

            # Create a target directory for using with the target option
            target_temp_dir = TempDirectory(kind="target")
            target_temp_dir_path = target_temp_dir.path

        global_options = options.global_options or []

        session = self.get_default_session(options)

        target_python = make_target_python(options)
        finder = self._build_package_finder(
            options=options,
            session=session,
            target_python=target_python,
            ignore_requires_python=options.ignore_requires_python,
        )
        build_delete = not (options.no_clean or options.build_dir)
        wheel_cache = WheelCache(options.cache_dir, options.format_control)

        with get_requirement_tracker() as req_tracker, TempDirectory(
                options.build_dir, delete=build_delete,
                kind="install") as directory:
            requirement_set = RequirementSet(
                check_supported_wheels=not options.target_dir, )

            try:
                self.populate_requirement_set(requirement_set, args, options,
                                              finder, session, wheel_cache)

                warn_deprecated_install_options(requirement_set,
                                                options.install_options)

                preparer = self.make_requirement_preparer(
                    temp_build_dir=directory,
                    options=options,
                    req_tracker=req_tracker,
                    session=session,
                    finder=finder,
                    use_user_site=options.use_user_site,
                )
                resolver = self.make_resolver(
                    preparer=preparer,
                    finder=finder,
                    options=options,
                    wheel_cache=wheel_cache,
                    use_user_site=options.use_user_site,
                    ignore_installed=options.ignore_installed,
                    ignore_requires_python=options.ignore_requires_python,
                    force_reinstall=options.force_reinstall,
                    upgrade_strategy=upgrade_strategy,
                    use_pep517=options.use_pep517,
                )

                self.trace_basic_info(finder)

                resolver.resolve(requirement_set)

                try:
                    pip_req = requirement_set.get_requirement("pip")
                except KeyError:
                    modifying_pip = None
                else:
                    # If we're not replacing an already installed pip,
                    # we're not modifying it.
                    modifying_pip = pip_req.satisfied_by is None
                protect_pip_from_modification_on_windows(
                    modifying_pip=modifying_pip)

                check_binary_allowed = get_check_binary_allowed(
                    finder.format_control)

                reqs_to_build = [
                    r for r in requirement_set.requirements.values()
                    if should_build_for_install_command(
                        r, check_binary_allowed)
                ]

                _, build_failures = build(
                    reqs_to_build,
                    wheel_cache=wheel_cache,
                    build_options=[],
                    global_options=[],
                )

                # If we're using PEP 517, we cannot do a direct install
                # so we fail here.
                # We don't care about failures building legacy
                # requirements, as we'll fall through to a direct
                # install for those.
                pep517_build_failures = [
                    r for r in build_failures if r.use_pep517
                ]
                if pep517_build_failures:
                    raise InstallationError(
                        "Could not build wheels for {} which use"
                        " PEP 517 and cannot be installed directly".format(
                            ", ".join(r.name for r in pep517_build_failures)))

                to_install = resolver.get_installation_order(requirement_set)

                # Consistency Checking of the package set we're installing.
                should_warn_about_conflicts = (not options.ignore_dependencies
                                               and
                                               options.warn_about_conflicts)
                if should_warn_about_conflicts:
                    self._warn_about_conflicts(to_install)

                # Don't warn about script install locations if
                # --target has been specified
                warn_script_location = options.warn_script_location
                if options.target_dir:
                    warn_script_location = False

                installed = install_given_reqs(
                    to_install,
                    install_options,
                    global_options,
                    root=options.root_path,
                    home=target_temp_dir_path,
                    prefix=options.prefix_path,
                    pycompile=options.compile,
                    warn_script_location=warn_script_location,
                    use_user_site=options.use_user_site,
                )

                lib_locations = get_lib_location_guesses(
                    user=options.use_user_site,
                    home=target_temp_dir_path,
                    root=options.root_path,
                    prefix=options.prefix_path,
                    isolated=options.isolated_mode,
                )
                working_set = pkg_resources.WorkingSet(lib_locations)

                installed.sort(key=operator.attrgetter("name"))
                items = []
                for result in installed:
                    item = result.name
                    try:
                        installed_version = get_installed_version(
                            result.name, working_set=working_set)
                        if installed_version:
                            item += "-" + installed_version
                    except Exception:
                        pass
                    items.append(item)
                installed_desc = " ".join(items)
                if installed_desc:
                    write_output(
                        "Successfully installed %s",
                        installed_desc,
                    )
            except EnvironmentError as error:
                show_traceback = self.verbosity >= 1

                message = create_env_error_message(
                    error,
                    show_traceback,
                    options.use_user_site,
                )
                logger.error(message, exc_info=show_traceback)

                return ERROR
            except PreviousBuildDirError:
                options.no_clean = True
                raise
            finally:
                # Clean up
                if not options.no_clean:
                    requirement_set.cleanup_files()
                    wheel_cache.cleanup()

        if options.target_dir:
            self._handle_target_dir(options.target_dir, target_temp_dir,
                                    options.upgrade)

        return SUCCESS
Пример #9
0
def process_line(
    line,  # type: Text
    filename,  # type: str
    line_number,  # type: int
    finder=None,  # type: Optional[PackageFinder]
    comes_from=None,  # type: Optional[str]
    options=None,  # type: Optional[optparse.Values]
    session=None,  # type: Optional[PipSession]
    wheel_cache=None,  # type: Optional[WheelCache]
    use_pep517=None,  # type: Optional[bool]
    constraint=False  # type: bool
):
    # type: (...) -> Iterator[InstallRequirement]
    """Process a single requirements line; This can result in creating/yielding
    requirements, or updating the finder.

    For lines that contain requirements, the only options that have an effect
    are from SUPPORTED_OPTIONS_REQ, and they are scoped to the
    requirement. Other options from SUPPORTED_OPTIONS may be present, but are
    ignored.

    For lines that do not contain requirements, the only options that have an
    effect are from SUPPORTED_OPTIONS. Options from SUPPORTED_OPTIONS_REQ may
    be present, but are ignored. These lines may contain multiple options
    (although our docs imply only one is supported), and all our parsed and
    affect the finder.

    :param constraint: If True, parsing a constraints file.
    :param options: OptionParser options that we may update
    """
    parser = build_parser(line)
    defaults = parser.get_default_values()
    defaults.index_url = None
    if finder:
        defaults.format_control = finder.format_control
    args_str, options_str = break_args_options(line)
    # Prior to 2.7.3, shlex cannot deal with unicode entries
    if sys.version_info < (2, 7, 3):
        # https://github.com/python/mypy/issues/1174
        options_str = options_str.encode('utf8')  # type: ignore
    # https://github.com/python/mypy/issues/1174
    opts, _ = parser.parse_args(
        shlex.split(options_str), defaults)  # type: ignore

    # preserve for the nested code path
    line_comes_from = '%s %s (line %s)' % (
        '-c' if constraint else '-r', filename, line_number,
    )

    # yield a line requirement
    if args_str:
        isolated = options.isolated_mode if options else False
        if options:
            cmdoptions.check_install_build_global(options, opts)
        # get the options that apply to requirements
        req_options = {}
        for dest in SUPPORTED_OPTIONS_REQ_DEST:
            if dest in opts.__dict__ and opts.__dict__[dest]:
                req_options[dest] = opts.__dict__[dest]
        yield install_req_from_line(
            args_str, line_comes_from, constraint=constraint,
            use_pep517=use_pep517,
            isolated=isolated, options=req_options, wheel_cache=wheel_cache
        )

    # yield an editable requirement
    elif opts.editables:
        isolated = options.isolated_mode if options else False
        yield install_req_from_editable(
            opts.editables[0], comes_from=line_comes_from,
            use_pep517=use_pep517,
            constraint=constraint, isolated=isolated, wheel_cache=wheel_cache
        )

    # parse a nested requirements file
    elif opts.requirements or opts.constraints:
        if opts.requirements:
            req_path = opts.requirements[0]
            nested_constraint = False
        else:
            req_path = opts.constraints[0]
            nested_constraint = True
        # original file is over http
        if SCHEME_RE.search(filename):
            # do a url join so relative paths work
            req_path = urllib_parse.urljoin(filename, req_path)
        # original file and nested file are paths
        elif not SCHEME_RE.search(req_path):
            # do a join so relative paths work
            req_path = os.path.join(os.path.dirname(filename), req_path)
        # TODO: Why not use `comes_from='-r {} (line {})'` here as well?
        parsed_reqs = parse_requirements(
            req_path, finder, comes_from, options, session,
            constraint=nested_constraint, wheel_cache=wheel_cache
        )
        for req in parsed_reqs:
            yield req

    # percolate hash-checking option upward
    elif opts.require_hashes:
        options.require_hashes = opts.require_hashes

    # set finder options
    elif finder:
        if opts.index_url:
            finder.index_urls = [opts.index_url]
        if opts.no_index is True:
            finder.index_urls = []
        if opts.extra_index_urls:
            finder.index_urls.extend(opts.extra_index_urls)
        if opts.find_links:
            # FIXME: it would be nice to keep track of the source
            # of the find_links: support a find-links local path
            # relative to a requirements file.
            value = opts.find_links[0]
            req_dir = os.path.dirname(os.path.abspath(filename))
            relative_to_reqs_file = os.path.join(req_dir, value)
            if os.path.exists(relative_to_reqs_file):
                value = relative_to_reqs_file
            finder.find_links.append(value)
        if opts.pre:
            finder.allow_all_prereleases = True
        if opts.trusted_hosts:
            finder.secure_origins.extend(
                ("*", host, "*") for host in opts.trusted_hosts)
Пример #10
0
    def run(self, options, args):
        # type: (Values, List[Any]) -> int
        cmdoptions.check_install_build_global(options)
        upgrade_strategy = "to-satisfy-only"
        if options.upgrade:
            upgrade_strategy = options.upgrade_strategy

        if options.build_dir:
            options.build_dir = os.path.abspath(options.build_dir)

        cmdoptions.check_dist_restriction(options, check_target=True)

        options.src_dir = os.path.abspath(options.src_dir)
        install_options = options.install_options or []
        if options.use_user_site:
            if options.prefix_path:
                raise CommandError(
                    "Can not combine '--user' and '--prefix' as they imply "
                    "different installation locations")
            if virtualenv_no_global():
                raise InstallationError(
                    "Can not perform a '--user' install. User site-packages "
                    "are not visible in this virtualenv.")
            install_options.append('--user')
            install_options.append('--prefix=')

        target_temp_dir = TempDirectory(kind="target")
        if options.target_dir:
            options.ignore_installed = True
            options.target_dir = os.path.abspath(options.target_dir)
            if (os.path.exists(options.target_dir)
                    and not os.path.isdir(options.target_dir)):
                raise CommandError(
                    "Target path exists but is not a directory, will not "
                    "continue.")

            # Create a target directory for using with the target option
            target_temp_dir.create()
            install_options.append('--home=' + target_temp_dir.path)

        global_options = options.global_options or []

        with self._build_session(options) as session:
            target_python = make_target_python(options)
            finder = self._build_package_finder(
                options=options,
                session=session,
                target_python=target_python,
                ignore_requires_python=options.ignore_requires_python,
            )
            build_delete = (not (options.no_clean or options.build_dir))
            wheel_cache = WheelCache(options.cache_dir, options.format_control)

            if options.cache_dir and not check_path_owner(options.cache_dir):
                logger.warning(
                    "The directory '%s' or its parent directory is not owned "
                    "by the current user and caching wheels has been "
                    "disabled. check the permissions and owner of that "
                    "directory. If executing pip with sudo, you may want "
                    "sudo's -H flag.",
                    options.cache_dir,
                )
                options.cache_dir = None

            with RequirementTracker() as req_tracker, TempDirectory(
                    options.build_dir, delete=build_delete,
                    kind="install") as directory:
                requirement_set = RequirementSet(
                    require_hashes=options.require_hashes,
                    check_supported_wheels=not options.target_dir,
                )

                try:
                    self.populate_requirement_set(requirement_set, args,
                                                  options, finder, session,
                                                  wheel_cache)
                    preparer = self.make_requirement_preparer(
                        temp_directory=directory,
                        options=options,
                        req_tracker=req_tracker,
                    )
                    resolver = self.make_resolver(
                        preparer=preparer,
                        finder=finder,
                        session=session,
                        options=options,
                        wheel_cache=wheel_cache,
                        use_user_site=options.use_user_site,
                        ignore_installed=options.ignore_installed,
                        ignore_requires_python=options.ignore_requires_python,
                        force_reinstall=options.force_reinstall,
                        upgrade_strategy=upgrade_strategy,
                        use_pep517=options.use_pep517,
                    )
                    resolver.resolve(requirement_set)

                    protect_pip_from_modification_on_windows(
                        modifying_pip=requirement_set.has_requirement("pip"))

                    # Consider legacy and PEP517-using requirements separately
                    legacy_requirements = []
                    pep517_requirements = []
                    for req in requirement_set.requirements.values():
                        if req.use_pep517:
                            pep517_requirements.append(req)
                        else:
                            legacy_requirements.append(req)

                    wheel_builder = WheelBuilder(
                        finder,
                        preparer,
                        wheel_cache,
                        build_options=[],
                        global_options=[],
                    )

                    build_failures = build_wheels(
                        builder=wheel_builder,
                        pep517_requirements=pep517_requirements,
                        legacy_requirements=legacy_requirements,
                    )

                    # If we're using PEP 517, we cannot do a direct install
                    # so we fail here.
                    if build_failures:
                        raise InstallationError(
                            "Could not build wheels for {} which use"
                            " PEP 517 and cannot be installed directly".format(
                                ", ".join(r.name for r in build_failures)))

                    to_install = resolver.get_installation_order(
                        requirement_set)

                    # Consistency Checking of the package set we're installing.
                    should_warn_about_conflicts = (
                        not options.ignore_dependencies
                        and options.warn_about_conflicts)
                    if should_warn_about_conflicts:
                        self._warn_about_conflicts(to_install)

                    # Don't warn about script install locations if
                    # --target has been specified
                    warn_script_location = options.warn_script_location
                    if options.target_dir:
                        warn_script_location = False

                    installed = install_given_reqs(
                        to_install,
                        install_options,
                        global_options,
                        root=options.root_path,
                        home=target_temp_dir.path,
                        prefix=options.prefix_path,
                        pycompile=options.compile,
                        warn_script_location=warn_script_location,
                        use_user_site=options.use_user_site,
                    )

                    lib_locations = get_lib_location_guesses(
                        user=options.use_user_site,
                        home=target_temp_dir.path,
                        root=options.root_path,
                        prefix=options.prefix_path,
                        isolated=options.isolated_mode,
                    )
                    working_set = pkg_resources.WorkingSet(lib_locations)

                    reqs = sorted(installed, key=operator.attrgetter('name'))
                    items = []
                    for req in reqs:
                        item = req.name
                        try:
                            installed_version = get_installed_version(
                                req.name, working_set=working_set)
                            if installed_version:
                                item += '-' + installed_version
                        except Exception:
                            pass
                        items.append(item)
                    installed_desc = ' '.join(items)
                    if installed_desc:
                        logger.info(
                            'Successfully installed %s',
                            installed_desc,
                        )
                except EnvironmentError as error:
                    show_traceback = (self.verbosity >= 1)

                    message = create_env_error_message(
                        error,
                        show_traceback,
                        options.use_user_site,
                    )
                    logger.error(message, exc_info=show_traceback)

                    return ERROR
                except PreviousBuildDirError:
                    options.no_clean = True
                    raise
                finally:
                    # Clean up
                    if not options.no_clean:
                        requirement_set.cleanup_files()
                        wheel_cache.cleanup()

        if options.target_dir:
            self._handle_target_dir(options.target_dir, target_temp_dir,
                                    options.upgrade)

        return SUCCESS
Пример #11
0
    def run(self, options, args):
        # type: (Values, List[Any]) -> None
        cmdoptions.check_install_build_global(options)

        if options.build_dir:
            options.build_dir = os.path.abspath(options.build_dir)

        options.src_dir = os.path.abspath(options.src_dir)

        session = self.get_default_session(options)

        finder = self._build_package_finder(options, session)
        build_delete = (not (options.no_clean or options.build_dir))
        wheel_cache = WheelCache(options.cache_dir, options.format_control)

        with RequirementTracker() as req_tracker, TempDirectory(
                options.build_dir, delete=build_delete,
                kind="wheel") as directory:

            requirement_set = RequirementSet()

            try:
                self.populate_requirement_set(requirement_set, args, options,
                                              finder, session, wheel_cache)

                preparer = self.make_requirement_preparer(
                    temp_build_dir=directory,
                    options=options,
                    req_tracker=req_tracker,
                    session=session,
                    wheel_download_dir=options.wheel_dir,
                )

                resolver = self.make_resolver(
                    preparer=preparer,
                    finder=finder,
                    options=options,
                    wheel_cache=wheel_cache,
                    ignore_requires_python=options.ignore_requires_python,
                    use_pep517=options.use_pep517,
                )
                resolver.resolve(requirement_set)

                # build wheels
                wb = WheelBuilder(
                    preparer,
                    wheel_cache,
                    build_options=options.build_options or [],
                    global_options=options.global_options or [],
                    no_clean=options.no_clean,
                    path_to_wheelnames=options.path_to_wheelnames)
                build_failures = wb.build(
                    requirement_set.requirements.values(), )
                self.save_wheelnames(
                    [
                        req.link.filename
                        for req in requirement_set.successfully_downloaded
                        if req.link is not None
                    ],
                    wb.path_to_wheelnames,
                    wb.wheel_filenames,
                )
                if len(build_failures) != 0:
                    raise CommandError("Failed to build one or more wheels")
            except PreviousBuildDirError:
                options.no_clean = True
                raise
            finally:
                if not options.no_clean:
                    requirement_set.cleanup_files()
                    wheel_cache.cleanup()
Пример #12
0
    def run(self, options, args):
        # type: (Values, List[Any]) -> None
        cmdoptions.check_install_build_global(options)

        session = self.get_default_session(options)

        finder = self._build_package_finder(options, session)
        build_delete = (not (options.no_clean or options.build_dir))
        wheel_cache = WheelCache(options.cache_dir, options.format_control)

        options.wheel_dir = normalize_path(options.wheel_dir)
        ensure_dir(options.wheel_dir)

        with get_requirement_tracker() as req_tracker, TempDirectory(
                options.build_dir, delete=build_delete,
                kind="wheel") as directory:

            requirement_set = RequirementSet()

            try:
                self.populate_requirement_set(requirement_set, args, options,
                                              finder, session, wheel_cache)

                preparer = self.make_requirement_preparer(
                    temp_build_dir=directory,
                    options=options,
                    req_tracker=req_tracker,
                    session=session,
                    finder=finder,
                    wheel_download_dir=options.wheel_dir,
                    use_user_site=False,
                )

                resolver = self.make_resolver(
                    preparer=preparer,
                    finder=finder,
                    options=options,
                    wheel_cache=wheel_cache,
                    ignore_requires_python=options.ignore_requires_python,
                    use_pep517=options.use_pep517,
                )

                self.trace_basic_info(finder)

                resolver.resolve(requirement_set)

                reqs_to_build = [
                    r for r in requirement_set.requirements.values()
                    if should_build_for_wheel_command(r)
                ]

                # build wheels
                build_successes, build_failures = build(
                    reqs_to_build,
                    wheel_cache=wheel_cache,
                    build_options=options.build_options or [],
                    global_options=options.global_options or [],
                )
                for req in build_successes:
                    assert req.link and req.link.is_wheel
                    assert req.local_file_path
                    # copy from cache to target directory
                    try:
                        shutil.copy(req.local_file_path, options.wheel_dir)
                    except OSError as e:
                        logger.warning(
                            "Building wheel for %s failed: %s",
                            req.name,
                            e,
                        )
                        build_failures.append(req)
                if len(build_failures) != 0:
                    raise CommandError("Failed to build one or more wheels")
            except PreviousBuildDirError:
                options.no_clean = True
                raise
            finally:
                if not options.no_clean:
                    requirement_set.cleanup_files()
                    wheel_cache.cleanup()
Пример #13
0
    def run(self, options, args):
        cmdoptions.check_install_build_global(options)

        def is_venv():
            return (hasattr(sys, 'real_prefix')
                    or (hasattr(sys, 'base_prefix')
                        and sys.base_prefix != sys.prefix))

        # Check whether we have root privileges and aren't in venv/virtualenv
        if os.getuid() == 0 and not is_venv():
            logger.warning(
                "WARNING: Running pip install with root privileges is "
                "generally not a good idea. Try `%s install --user` instead." %
                path.basename(sys.argv[0]))

        upgrade_strategy = "to-satisfy-only"
        if options.upgrade:
            upgrade_strategy = options.upgrade_strategy

        if options.build_dir:
            options.build_dir = os.path.abspath(options.build_dir)

        cmdoptions.check_dist_restriction(options, check_target=True)

        if options.python_version:
            python_versions = [options.python_version]
        else:
            python_versions = None

        options.src_dir = os.path.abspath(options.src_dir)
        install_options = options.install_options or []
        if options.use_user_site:
            if options.prefix_path:
                raise CommandError(
                    "Can not combine '--user' and '--prefix' as they imply "
                    "different installation locations")
            if virtualenv_no_global():
                raise InstallationError(
                    "Can not perform a '--user' install. User site-packages "
                    "are not visible in this virtualenv.")
            install_options.append('--user')
            install_options.append('--prefix=')

        target_temp_dir = TempDirectory(kind="target")
        if options.target_dir:
            options.ignore_installed = True
            options.target_dir = os.path.abspath(options.target_dir)
            if (os.path.exists(options.target_dir)
                    and not os.path.isdir(options.target_dir)):
                raise CommandError(
                    "Target path exists but is not a directory, will not "
                    "continue.")

            # Create a target directory for using with the target option
            target_temp_dir.create()
            install_options.append('--home=' + target_temp_dir.path)

        global_options = options.global_options or []

        with self._build_session(options) as session:
            finder = self._build_package_finder(
                options=options,
                session=session,
                platform=options.platform,
                python_versions=python_versions,
                abi=options.abi,
                implementation=options.implementation,
            )
            build_delete = (not (options.no_clean or options.build_dir))
            wheel_cache = WheelCache(options.cache_dir, options.format_control)

            if options.cache_dir and not check_path_owner(options.cache_dir):
                logger.warning(
                    "The directory '%s' or its parent directory is not owned "
                    "by the current user and caching wheels has been "
                    "disabled. check the permissions and owner of that "
                    "directory. If executing pip with sudo, you may want "
                    "sudo's -H flag.",
                    options.cache_dir,
                )
                options.cache_dir = None

            with RequirementTracker() as req_tracker, TempDirectory(
                    options.build_dir, delete=build_delete,
                    kind="install") as directory:
                requirement_set = RequirementSet(
                    require_hashes=options.require_hashes,
                    check_supported_wheels=not options.target_dir,
                )

                try:
                    self.populate_requirement_set(requirement_set, args,
                                                  options, finder, session,
                                                  self.name, wheel_cache)
                    preparer = RequirementPreparer(
                        build_dir=directory.path,
                        src_dir=options.src_dir,
                        download_dir=None,
                        wheel_download_dir=None,
                        progress_bar=options.progress_bar,
                        build_isolation=options.build_isolation,
                        req_tracker=req_tracker,
                    )

                    resolver = Resolver(
                        preparer=preparer,
                        finder=finder,
                        session=session,
                        wheel_cache=wheel_cache,
                        use_user_site=options.use_user_site,
                        upgrade_strategy=upgrade_strategy,
                        force_reinstall=options.force_reinstall,
                        ignore_dependencies=options.ignore_dependencies,
                        ignore_requires_python=options.ignore_requires_python,
                        ignore_installed=options.ignore_installed,
                        isolated=options.isolated_mode,
                    )
                    resolver.resolve(requirement_set)

                    protect_pip_from_modification_on_windows(
                        modifying_pip=requirement_set.has_requirement("pip"))

                    # If caching is disabled or wheel is not installed don't
                    # try to build wheels.
                    if wheel and options.cache_dir:
                        # build wheels before install.
                        wb = WheelBuilder(
                            finder,
                            preparer,
                            wheel_cache,
                            build_options=[],
                            global_options=[],
                        )
                        # Ignore the result: a failed wheel will be
                        # installed from the sdist/vcs whatever.
                        wb.build(requirement_set.requirements.values(),
                                 session=session,
                                 autobuilding=True)

                    to_install = resolver.get_installation_order(
                        requirement_set)

                    # Consistency Checking of the package set we're installing.
                    should_warn_about_conflicts = (
                        not options.ignore_dependencies
                        and options.warn_about_conflicts)
                    if should_warn_about_conflicts:
                        self._warn_about_conflicts(to_install)

                    # Don't warn about script install locations if
                    # --target has been specified
                    warn_script_location = options.warn_script_location
                    if options.target_dir:
                        warn_script_location = False

                    installed = install_given_reqs(
                        to_install,
                        install_options,
                        global_options,
                        root=options.root_path,
                        home=target_temp_dir.path,
                        prefix=options.prefix_path,
                        pycompile=options.compile,
                        warn_script_location=warn_script_location,
                        use_user_site=options.use_user_site,
                        strip_file_prefix=options.strip_file_prefix,
                    )

                    lib_locations = get_lib_location_guesses(
                        user=options.use_user_site,
                        home=target_temp_dir.path,
                        root=options.root_path,
                        prefix=options.prefix_path,
                        isolated=options.isolated_mode,
                    )
                    working_set = pkg_resources.WorkingSet(lib_locations)

                    reqs = sorted(installed, key=operator.attrgetter('name'))
                    items = []
                    for req in reqs:
                        item = req.name
                        try:
                            installed_version = get_installed_version(
                                req.name, working_set=working_set)
                            if installed_version:
                                item += '-' + installed_version
                        except Exception:
                            pass
                        items.append(item)
                    installed = ' '.join(items)
                    if installed:
                        logger.info('Successfully installed %s', installed)
                except EnvironmentError as error:
                    show_traceback = (self.verbosity >= 1)

                    message = create_env_error_message(
                        error,
                        show_traceback,
                        options.use_user_site,
                    )
                    logger.error(message, exc_info=show_traceback)

                    return ERROR
                except PreviousBuildDirError:
                    options.no_clean = True
                    raise
                finally:
                    # Clean up
                    if not options.no_clean:
                        requirement_set.cleanup_files()
                        wheel_cache.cleanup()

        if options.target_dir:
            self._handle_target_dir(options.target_dir, target_temp_dir,
                                    options.upgrade)
        return requirement_set
Пример #14
0
def process_line(
    line,  # type: Text
    filename,  # type: str
    line_number,  # type: int
    finder=None,  # type: Optional[PackageFinder]
    comes_from=None,  # type: Optional[str]
    options=None,  # type: Optional[optparse.Values]
    session=None,  # type: Optional[PipSession]
    wheel_cache=None,  # type: Optional[WheelCache]
    use_pep517=None,  # type: Optional[bool]
    constraint=False,  # type: bool
):
    # type: (...) -> Iterator[InstallRequirement]
    """Process a single requirements line; This can result in creating/yielding
    requirements, or updating the finder.

    For lines that contain requirements, the only options that have an effect
    are from SUPPORTED_OPTIONS_REQ, and they are scoped to the
    requirement. Other options from SUPPORTED_OPTIONS may be present, but are
    ignored.

    For lines that do not contain requirements, the only options that have an
    effect are from SUPPORTED_OPTIONS. Options from SUPPORTED_OPTIONS_REQ may
    be present, but are ignored. These lines may contain multiple options
    (although our docs imply only one is supported), and all our parsed and
    affect the finder.

    :param constraint: If True, parsing a constraints file.
    :param options: OptionParser options that we may update
    """
    line_parser = get_line_parser(finder)
    try:
        args_str, opts = line_parser(line)
    except OptionParsingError as e:
        # add offending line
        msg = 'Invalid requirement: %s\n%s' % (line, e.msg)
        raise RequirementsFileParseError(msg)

    # parse a nested requirements file
    if (
        not args_str and
        not opts.editables and
        (opts.requirements or opts.constraints)
    ):
        if opts.requirements:
            req_path = opts.requirements[0]
            nested_constraint = False
        else:
            req_path = opts.constraints[0]
            nested_constraint = True
        # original file is over http
        if SCHEME_RE.search(filename):
            # do a url join so relative paths work
            req_path = urllib_parse.urljoin(filename, req_path)
        # original file and nested file are paths
        elif not SCHEME_RE.search(req_path):
            # do a join so relative paths work
            req_path = os.path.join(os.path.dirname(filename), req_path)
        parsed_reqs = parse_requirements(
            req_path, finder, comes_from, options, session,
            constraint=nested_constraint, wheel_cache=wheel_cache
        )
        for req in parsed_reqs:
            yield req
        return

    # preserve for the nested code path
    line_comes_from = '%s %s (line %s)' % (
        '-c' if constraint else '-r', filename, line_number,
    )

    # yield a line requirement
    if args_str:
        isolated = options.isolated_mode if options else False
        if options:
            cmdoptions.check_install_build_global(options, opts)
        # get the options that apply to requirements
        req_options = {}
        for dest in SUPPORTED_OPTIONS_REQ_DEST:
            if dest in opts.__dict__ and opts.__dict__[dest]:
                req_options[dest] = opts.__dict__[dest]
        line_source = 'line {} of {}'.format(line_number, filename)
        yield install_req_from_line(
            args_str,
            comes_from=line_comes_from,
            use_pep517=use_pep517,
            isolated=isolated,
            options=req_options,
            wheel_cache=wheel_cache,
            constraint=constraint,
            line_source=line_source,
        )

    # yield an editable requirement
    elif opts.editables:
        isolated = options.isolated_mode if options else False
        yield install_req_from_editable(
            opts.editables[0], comes_from=line_comes_from,
            use_pep517=use_pep517,
            constraint=constraint, isolated=isolated, wheel_cache=wheel_cache
        )

    # percolate hash-checking option upward
    elif opts.require_hashes:
        options.require_hashes = opts.require_hashes

    # set finder options
    elif finder:
        find_links = finder.find_links
        index_urls = finder.index_urls
        if opts.index_url:
            index_urls = [opts.index_url]
        if opts.no_index is True:
            index_urls = []
        if opts.extra_index_urls:
            index_urls.extend(opts.extra_index_urls)
        if opts.find_links:
            # FIXME: it would be nice to keep track of the source
            # of the find_links: support a find-links local path
            # relative to a requirements file.
            value = opts.find_links[0]
            req_dir = os.path.dirname(os.path.abspath(filename))
            relative_to_reqs_file = os.path.join(req_dir, value)
            if os.path.exists(relative_to_reqs_file):
                value = relative_to_reqs_file
            find_links.append(value)

        search_scope = SearchScope(
            find_links=find_links,
            index_urls=index_urls,
        )
        finder.search_scope = search_scope

        if opts.pre:
            finder.set_allow_all_prereleases()
        for host in opts.trusted_hosts or []:
            source = 'line {} of {}'.format(line_number, filename)
            session.add_trusted_host(host, source=source)