Python index.PackageFinder方法代码示例

# 需要导入模块: from pip._internal import index [as 别名]
# 或者: from pip._internal.index import PackageFinder [as 别名]
def _build_package_finder(self, options, session,
                              platform=None, python_versions=None,
                              abi=None, implementation=None):
        """
        Create a package finder appropriate to this requirement command.
        """
        index_urls = [options.index_url] + options.extra_index_urls
        if options.no_index:
            logger.debug('Ignoring indexes: %s', ','.join(index_urls))
            index_urls = []

        return PackageFinder(
            find_links=options.find_links,
            format_control=options.format_control,
            index_urls=index_urls,
            trusted_hosts=options.trusted_hosts,
            allow_all_prereleases=options.pre,
            process_dependency_links=options.process_dependency_links,
            session=session,
            platform=platform,
            versions=python_versions,
            abi=abi,
            implementation=implementation,
        ) 

# 需要导入模块: from pip._internal import index [as 别名]
# 或者: from pip._internal.index import PackageFinder [as 别名]
def install_backend_dependencies(self, finder):
        # type: (PackageFinder) -> None
        """
        Install any extra build dependencies that the backend requests.

        :param finder: a PackageFinder object.
        """
        req = self.req
        with req.build_env:
            # We need to have the env active when calling the hook.
            req.spin_message = "Getting requirements to build wheel"
            reqs = req.pep517_backend.get_requires_for_build_wheel()
        conflicting, missing = req.build_env.check_requirements(reqs)
        if conflicting:
            self._raise_conflicts("the backend dependencies", conflicting)
        req.build_env.install_requirements(
            finder, missing, 'normal',
            "Installing backend dependencies"
        ) 

# 需要导入模块: from pip._internal import index [as 别名]
# 或者: from pip._internal.index import PackageFinder [as 别名]
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
            self.link = self._wheel_cache.get(self.link, self.name)
            if old_link != self.link:
                logger.debug('Using cached wheel link: %s', self.link)

    # Things that are valid for all kinds of requirements? 

# 需要导入模块: from pip._internal import index [as 别名]
# 或者: from pip._internal.index import PackageFinder [as 别名]
def _build_package_finder(self, options, session,
                              platform=None, python_versions=None,
                              abi=None, implementation=None):
        """
        Create a package finder appropriate to this requirement command.
        """
        index_urls = [options.index_url] + options.extra_index_urls
        if options.no_index:
            logger.debug('Ignoring indexes: %s', ','.join(index_urls))
            index_urls = []

        return PackageFinder(
            find_links=options.find_links,
            format_control=options.format_control,
            index_urls=index_urls,
            trusted_hosts=options.trusted_hosts,
            allow_all_prereleases=options.pre,
            process_dependency_links=options.process_dependency_links,
            session=session,
            platform=platform,
            versions=python_versions,
            abi=abi,
            implementation=implementation,
            prefer_binary=options.prefer_binary,
        ) 

# 需要导入模块: from pip._internal import index [as 别名]
# 或者: from pip._internal.index import PackageFinder [as 别名]
def _build_package_finder(self, options, index_urls, session):
        """
        Create a package finder appropriate to this list command.
        """
        return PackageFinder(
            find_links=options.find_links,
            index_urls=index_urls,
            allow_all_prereleases=options.pre,
            trusted_hosts=options.trusted_hosts,
            process_dependency_links=options.process_dependency_links,
            session=session,
        ) 

# 需要导入模块: from pip._internal import index [as 别名]
# 或者: from pip._internal.index import PackageFinder [as 别名]
def _build_package_finder(self, options, index_urls, session):
        """
        Create a package finder appropriate to this list command.
        """
        return PackageFinder(
            find_links=options.find_links,
            index_urls=index_urls,
            allow_all_prereleases=options.pre,
            trusted_hosts=options.trusted_hosts,
            session=session,
        ) 

# 需要导入模块: from pip._internal import index [as 别名]
# 或者: from pip._internal.index import PackageFinder [as 别名]
def prep_for_dist(self, finder, build_isolation):
        # type: (PackageFinder, bool) -> Any
        """Ensure that we can get a Dist for this requirement."""
        raise NotImplementedError 

# 需要导入模块: from pip._internal import index [as 别名]
# 或者: from pip._internal.index import PackageFinder [as 别名]
def prepare_editable_requirement(
        self,
        req,  # type: InstallRequirement
        require_hashes,  # type: bool
        use_user_site,  # type: bool
        finder  # type: PackageFinder
    ):
        # type: (...) -> DistAbstraction
        """Prepare an editable requirement
        """
        assert req.editable, "cannot prepare a non-editable req as editable"

        logger.info('Obtaining %s', req)

        with indent_log():
            if require_hashes:
                raise InstallationError(
                    'The editable requirement %s cannot be installed when '
                    'requiring hashes, because there is no single file to '
                    'hash.' % req
                )
            req.ensure_has_source_dir(self.src_dir)
            req.update_editable(not self._download_should_save)

            abstract_dist = make_abstract_dist(req)
            with self.req_tracker.track(req):
                abstract_dist.prep_for_dist(finder, self.build_isolation)

            if self._download_should_save:
                req.archive(self.download_dir)
            req.check_if_exists(use_user_site)

        return abstract_dist 

# 需要导入模块: from pip._internal import index [as 别名]
# 或者: from pip._internal.index import PackageFinder [as 别名]
def parse_requirements(
    filename,  # type: str
    finder=None,  # type: Optional[PackageFinder]
    comes_from=None,  # type: Optional[str]
    options=None,  # type: Optional[optparse.Values]
    session=None,  # type: Optional[PipSession]
    constraint=False,  # type: bool
    wheel_cache=None,  # type: Optional[WheelCache]
    use_pep517=None  # type: Optional[bool]
):
    # type: (...) -> Iterator[InstallRequirement]
    """Parse a requirements file and yield InstallRequirement instances.

    :param filename:    Path or url of requirements file.
    :param finder:      Instance of pip.index.PackageFinder.
    :param comes_from:  Origin description of requirements.
    :param options:     cli options.
    :param session:     Instance of pip.download.PipSession.
    :param constraint:  If true, parsing a constraint file rather than
        requirements file.
    :param wheel_cache: Instance of pip.wheel.WheelCache
    :param use_pep517:  Value of the --use-pep517 option.
    """
    if session is None:
        raise TypeError(
            "parse_requirements() missing 1 required keyword argument: "
            "'session'"
        )

    _, content = get_file_content(
        filename, comes_from=comes_from, session=session
    )

    lines_enum = preprocess(content, options)

    for line_number, line in lines_enum:
        req_iter = process_line(line, filename, line_number, finder,
                                comes_from, options, session, wheel_cache,
                                use_pep517=use_pep517, constraint=constraint)
        for req in req_iter:
            yield req 

# 需要导入模块: from pip._internal import index [as 别名]
# 或者: from pip._internal.index import PackageFinder [as 别名]
def _build_package_finder(
        self,
        options,               # type: Values
        session,               # type: PipSession
        platform=None,         # type: Optional[str]
        python_versions=None,  # type: Optional[List[str]]
        abi=None,              # type: Optional[str]
        implementation=None    # type: Optional[str]
    ):
        # type: (...) -> PackageFinder
        """
        Create a package finder appropriate to this requirement command.
        """
        index_urls = [options.index_url] + options.extra_index_urls
        if options.no_index:
            logger.debug(
                'Ignoring indexes: %s',
                ','.join(redact_password_from_url(url) for url in index_urls),
            )
            index_urls = []

        return PackageFinder(
            find_links=options.find_links,
            format_control=options.format_control,
            index_urls=index_urls,
            trusted_hosts=options.trusted_hosts,
            allow_all_prereleases=options.pre,
            session=session,
            platform=platform,
            versions=python_versions,
            abi=abi,
            implementation=implementation,
            prefer_binary=options.prefer_binary,
        )