Beispiel #1
0
    def find_packages_latest_versions(self, options):
        index_urls = [options.index_url] + options.extra_index_urls
        if options.no_index:
            logger.info('Ignoring indexes: %s', ','.join(index_urls))
            index_urls = []

        dependency_links = []
        for dist in get_installed_distributions(local_only=options.local,
                                                user_only=options.user):
            if dist.has_metadata('dependency_links.txt'):
                dependency_links.extend(
                    dist.get_metadata_lines('dependency_links.txt'),
                )

        with self._build_session(options) as session:
            finder = self._build_package_finder(options, index_urls, session)
            finder.add_dependency_links(dependency_links)

            installed_packages = get_installed_distributions(
                local_only=options.local,
                user_only=options.user,
                include_editables=False,
            )
            format_control = FormatControl(set(), set())
            wheel_cache = WheelCache(options.cache_dir, format_control)
            for dist in installed_packages:
                req = InstallRequirement.from_line(
                    dist.key, None, isolated=options.isolated_mode,
                    wheel_cache=wheel_cache
                )
                typ = 'unknown'
                try:
                    link = finder.find_requirement(req, True)

                    # If link is None, means installed version is most
                    # up-to-date
                    if link is None:
                        continue
                except DistributionNotFound:
                    continue
                else:
                    canonical_name = canonicalize_name(req.name)
                    formats = fmt_ctl_formats(format_control, canonical_name)
                    search = Search(
                        req.name,
                        canonical_name,
                        formats)
                    remote_version = finder._link_package_versions(
                        link, search).version
                    if link.is_wheel:
                        typ = 'wheel'
                    else:
                        typ = 'sdist'
                yield dist, remote_version, typ
Beispiel #2
0
def fmt_ctl_handle_mutual_exclude(value, target, other):
    new = value.split(',')
    while ':all:' in new:
        other.clear()
        target.clear()
        target.add(':all:')
        del new[:new.index(':all:') + 1]
        if ':none:' not in new:
            # Without a none, we want to discard everything as :all: covers it
            return
    for name in new:
        if name == ':none:':
            target.clear()
            continue
        name = canonicalize_name(name)
        other.discard(name)
        target.add(name)
Beispiel #3
0
def fmt_ctl_handle_mutual_exclude(value, target, other):
    new = value.split(',')
    while ':all:' in new:
        other.clear()
        target.clear()
        target.add(':all:')
        del new[:new.index(':all:') + 1]
        if ':none:' not in new:
            # Without a none, we want to discard everything as :all: covers it
            return
    for name in new:
        if name == ':none:':
            target.clear()
            continue
        name = canonicalize_name(name)
        other.discard(name)
        target.add(name)
Beispiel #4
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def cached_wheel(cache_dir, link, format_control, package_name):
    if not cache_dir:
        return link
    if not link:
        return link
    if link.is_wheel:
        return link
    if not link.is_artifact:
        return link
    if not package_name:
        return link
    canonical_name = canonicalize_name(package_name)
    formats = pip.index.fmt_ctl_formats(format_control, canonical_name)
    if "binary" not in formats:
        return link
    root = _cache_for_link(cache_dir, link)
    try:
        wheel_names = os.listdir(root)
    except OSError as e:
        if e.errno in (errno.ENOENT, errno.ENOTDIR):
            return link
        raise
    candidates = []
    for wheel_name in wheel_names:
        try:
            wheel = Wheel(wheel_name)
        except InvalidWheelFilename:
            continue
        if not wheel.supported():
            # Built for a different python/arch/etc
            continue
        candidates.append((wheel.support_index_min(), wheel_name))
    if not candidates:
        return link
    candidates.sort()
    path = os.path.join(root, candidates[0][1])
    return pip.index.Link(path_to_url(path))
Beispiel #5
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def cached_wheel(cache_dir, link, format_control, package_name):
    if not cache_dir:
        return link
    if not link:
        return link
    if link.is_wheel:
        return link
    if not link.is_artifact:
        return link
    if not package_name:
        return link
    canonical_name = canonicalize_name(package_name)
    formats = pip.index.fmt_ctl_formats(format_control, canonical_name)
    if "binary" not in formats:
        return link
    root = _cache_for_link(cache_dir, link)
    try:
        wheel_names = os.listdir(root)
    except OSError as e:
        if e.errno in (errno.ENOENT, errno.ENOTDIR):
            return link
        raise
    candidates = []
    for wheel_name in wheel_names:
        try:
            wheel = Wheel(wheel_name)
        except InvalidWheelFilename:
            continue
        if not wheel.supported():
            # Built for a different python/arch/etc
            continue
        candidates.append((wheel.support_index_min(), wheel_name))
    if not candidates:
        return link
    candidates.sort()
    path = os.path.join(root, candidates[0][1])
    return pip.index.Link(path_to_url(path))
Beispiel #6
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    def run_egg_info(self):
        assert self.source_dir
        if self.name:
            logger.debug(
                'Running setup.py (path:%s) egg_info for package %s',
                self.setup_py,
                self.name,
            )
        else:
            logger.debug(
                'Running setup.py (path:%s) egg_info for package from %s',
                self.setup_py,
                self.link,
            )

        with indent_log():
            script = SETUPTOOLS_SHIM % self.setup_py
            base_cmd = [sys.executable, '-c', script]
            if self.isolated:
                base_cmd += ["--no-user-cfg"]
            egg_info_cmd = base_cmd + ['egg_info']
            # We can't put the .egg-info files at the root, because then the
            # source code will be mistaken for an installed egg, causing
            # problems
            if self.editable:
                egg_base_option = []
            else:
                egg_info_dir = os.path.join(self.source_dir, 'pip-egg-info')
                ensure_dir(egg_info_dir)
                egg_base_option = ['--egg-base', 'pip-egg-info']
            cwd = self.source_dir
            if self.editable_options and \
                    'subdirectory' in self.editable_options:
                cwd = os.path.join(cwd, self.editable_options['subdirectory'])
            call_subprocess(egg_info_cmd + egg_base_option,
                            cwd=cwd,
                            show_stdout=False,
                            command_level=logging.DEBUG,
                            command_desc='python setup.py egg_info')

        if not self.req:
            if isinstance(
                    pkg_resources.parse_version(self.pkg_info()["Version"]),
                    Version):
                op = "=="
            else:
                op = "==="
            self.req = pkg_resources.Requirement.parse("".join([
                self.pkg_info()["Name"],
                op,
                self.pkg_info()["Version"],
            ]))
            self._correct_build_location()
        else:
            metadata_name = canonicalize_name(self.pkg_info()["Name"])
            if canonicalize_name(self.req.project_name) != metadata_name:
                logger.warning(
                    'Running setup.py (path:%s) egg_info for package %s '
                    'produced metadata for project name %s. Fix your '
                    '#egg=%s fragments.', self.setup_py, self.name,
                    metadata_name, self.name)
                self.req = pkg_resources.Requirement.parse(metadata_name)
Beispiel #7
0
    def build(self, autobuilding=False):
        """Build wheels.

        :param unpack: If True, replace the sdist we built from the with the
            newly built wheel, in preparation for installation.
        :return: True if all the wheels built correctly.
        """
        assert self._wheel_dir or (autobuilding and self._cache_root)
        # unpack sdists and constructs req set
        self.requirement_set.prepare_files(self.finder)

        reqset = self.requirement_set.requirements.values()

        buildset = []
        for req in reqset:
            if req.constraint:
                continue
            if req.is_wheel:
                if not autobuilding:
                    logger.info(
                        'Skipping %s, due to already being wheel.', req.name)
            elif req.editable:
                if not autobuilding:
                    logger.info(
                        'Skipping bdist_wheel for %s, due to being editable',
                        req.name)
            elif autobuilding and req.link and not req.link.is_artifact:
                pass
            elif autobuilding and not req.source_dir:
                pass
            else:
                if autobuilding:
                    link = req.link
                    base, ext = link.splitext()
                    if pip.index.egg_info_matches(base, None, link) is None:
                        # Doesn't look like a package - don't autobuild a wheel
                        # because we'll have no way to lookup the result sanely
                        continue
                    if "binary" not in pip.index.fmt_ctl_formats(
                            self.finder.format_control,
                            canonicalize_name(req.name)):
                        logger.info(
                            "Skipping bdist_wheel for %s, due to binaries "
                            "being disabled for it.", req.name)
                        continue
                buildset.append(req)

        if not buildset:
            return True

        # Build the wheels.
        logger.info(
            'Building wheels for collected packages: %s',
            ', '.join([req.name for req in buildset]),
        )
        with indent_log():
            build_success, build_failure = [], []
            for req in buildset:
                if autobuilding:
                    output_dir = _cache_for_link(self._cache_root, req.link)
                    try:
                        ensure_dir(output_dir)
                    except OSError as e:
                        logger.warn("Building wheel for %s failed: %s",
                                    req.name, e)
                        build_failure.append(req)
                        continue
                else:
                    output_dir = self._wheel_dir
                wheel_file = self._build_one(req, output_dir)
                if wheel_file:
                    build_success.append(req)
                    if autobuilding:
                        # XXX: This is mildly duplicative with prepare_files,
                        # but not close enough to pull out to a single common
                        # method.
                        # The code below assumes temporary source dirs -
                        # prevent it doing bad things.
                        if req.source_dir and not os.path.exists(os.path.join(
                                req.source_dir, PIP_DELETE_MARKER_FILENAME)):
                            raise AssertionError(
                                "bad source dir - missing marker")
                        # Delete the source we built the wheel from
                        req.remove_temporary_source()
                        # set the build directory again - name is known from
                        # the work prepare_files did.
                        req.source_dir = req.build_location(
                            self.requirement_set.build_dir)
                        # Update the link for this.
                        req.link = pip.index.Link(
                            path_to_url(wheel_file))
                        assert req.link.is_wheel
                        # extract the wheel into the dir
                        unpack_url(
                            req.link, req.source_dir, None, False,
                            session=self.requirement_set.session)
                else:
                    build_failure.append(req)

        # notify success/failure
        if build_success:
            logger.info(
                'Successfully built %s',
                ' '.join([req.name for req in build_success]),
            )
        if build_failure:
            logger.info(
                'Failed to build %s',
                ' '.join([req.name for req in build_failure]),
            )
        # Return True if all builds were successful
        return len(build_failure) == 0
Beispiel #8
0
    def _link_package_versions(self, link, search):
        """Return an InstallationCandidate or None"""

        version = None
        if link.egg_fragment:
            egg_info = link.egg_fragment
            ext = link.ext
        else:
            egg_info, ext = link.splitext()
            if not ext:
                self._log_skipped_link(link, 'not a file')
                return
            if ext not in SUPPORTED_EXTENSIONS:
                self._log_skipped_link(link,
                                       'unsupported archive format: %s' % ext)
                return
            if "binary" not in search.formats and ext == wheel_ext:
                self._log_skipped_link(
                    link, 'No binaries permitted for %s' % search.supplied)
                return
            if "macosx10" in link.path and ext == '.zip':
                self._log_skipped_link(link, 'macosx10 one')
                return
            if ext == wheel_ext:
                try:
                    wheel = Wheel(link.filename)
                except InvalidWheelFilename:
                    self._log_skipped_link(link, 'invalid wheel filename')
                    return
                if canonicalize_name(wheel.name) != search.canonical:
                    self._log_skipped_link(
                        link, 'wrong project name (not %s)' % search.supplied)
                    return
                if not wheel.supported():
                    self._log_skipped_link(
                        link, 'it is not compatible with this Python')
                    return

                version = wheel.version

        # This should be up by the search.ok_binary check, but see issue 2700.
        if "source" not in search.formats and ext != wheel_ext:
            self._log_skipped_link(
                link, 'No sources permitted for %s' % search.supplied)
            return

        if not version:
            version = egg_info_matches(egg_info, search.supplied, link)
        if version is None:
            self._log_skipped_link(
                link, 'wrong project name (not %s)' % search.supplied)
            return

        match = self._py_version_re.search(version)
        if match:
            version = version[:match.start()]
            py_version = match.group(1)
            if py_version != sys.version[:3]:
                self._log_skipped_link(link, 'Python version is incorrect')
                return
        logger.debug('Found link %s, version: %s', link, version)

        return InstallationCandidate(search.supplied, version, link)
Beispiel #9
0
    def find_all_candidates(self, project_name):
        """Find all available InstallationCandidate for project_name

        This checks index_urls, find_links and dependency_links.
        All versions found are returned as an InstallationCandidate list.

        See _link_package_versions for details on which files are accepted
        """
        index_locations = self._get_index_urls_locations(project_name)
        index_file_loc, index_url_loc = self._sort_locations(index_locations)
        fl_file_loc, fl_url_loc = self._sort_locations(self.find_links,
                                                       expand_dir=True)
        dep_file_loc, dep_url_loc = self._sort_locations(self.dependency_links)

        file_locations = (Link(url) for url in itertools.chain(
            index_file_loc, fl_file_loc, dep_file_loc))

        # We trust every url that the user has given us whether it was given
        #   via --index-url or --find-links
        # We explicitly do not trust links that came from dependency_links
        # We want to filter out any thing which does not have a secure origin.
        url_locations = [
            link for link in itertools.chain(
                (Link(url) for url in index_url_loc),
                (Link(url) for url in fl_url_loc),
                (Link(url) for url in dep_url_loc),
            ) if self._validate_secure_origin(logger, link)
        ]

        logger.debug('%d location(s) to search for versions of %s:',
                     len(url_locations), project_name)

        for location in url_locations:
            logger.debug('* %s', location)

        canonical_name = canonicalize_name(project_name)
        formats = fmt_ctl_formats(self.format_control, canonical_name)
        search = Search(project_name, canonical_name, formats)
        find_links_versions = self._package_versions(
            # We trust every directly linked archive in find_links
            (Link(url, '-f') for url in self.find_links),
            search)

        page_versions = []
        for page in self._get_pages(url_locations, project_name):
            logger.debug('Analyzing links from page %s', page.url)
            with indent_log():
                page_versions.extend(self._package_versions(
                    page.links, search))

        dependency_versions = self._package_versions(
            (Link(url) for url in self.dependency_links), search)
        if dependency_versions:
            logger.debug(
                'dependency_links found: %s', ', '.join(
                    [version.location.url for version in dependency_versions]))

        file_versions = self._package_versions(file_locations, search)
        if file_versions:
            file_versions.sort(reverse=True)
            logger.debug(
                'Local files found: %s', ', '.join([
                    url_to_path(candidate.location.url)
                    for candidate in file_versions
                ]))

        # This is an intentional priority ordering
        return (file_versions + find_links_versions + page_versions +
                dependency_versions)
    def run_egg_info(self):
        assert self.source_dir
        if self.name:
            logger.debug(
                'Running setup.py (path:%s) egg_info for package %s',
                self.setup_py, self.name,
            )
        else:
            logger.debug(
                'Running setup.py (path:%s) egg_info for package from %s',
                self.setup_py, self.link,
            )

        with indent_log():
            script = SETUPTOOLS_SHIM % self.setup_py
            base_cmd = [sys.executable, '-c', script]
            if self.isolated:
                base_cmd += ["--no-user-cfg"]
            egg_info_cmd = base_cmd + ['egg_info']
            # We can't put the .egg-info files at the root, because then the
            # source code will be mistaken for an installed egg, causing
            # problems
            if self.editable:
                egg_base_option = []
            else:
                egg_info_dir = os.path.join(self.source_dir, 'pip-egg-info')
                ensure_dir(egg_info_dir)
                egg_base_option = ['--egg-base', 'pip-egg-info']
            cwd = self.source_dir
            if self.editable_options and \
                    'subdirectory' in self.editable_options:
                cwd = os.path.join(cwd, self.editable_options['subdirectory'])
            call_subprocess(
                egg_info_cmd + egg_base_option,
                cwd=cwd,
                show_stdout=False,
                command_level=logging.DEBUG,
                command_desc='python setup.py egg_info')

        if not self.req:
            if isinstance(
                    pkg_resources.parse_version(self.pkg_info()["Version"]),
                    Version):
                op = "=="
            else:
                op = "==="
            self.req = pkg_resources.Requirement.parse(
                "".join([
                    self.pkg_info()["Name"],
                    op,
                    self.pkg_info()["Version"],
                ]))
            self._correct_build_location()
        else:
            metadata_name = canonicalize_name(self.pkg_info()["Name"])
            if canonicalize_name(self.req.project_name) != metadata_name:
                logger.warning(
                    'Running setup.py (path:%s) egg_info for package %s '
                    'produced metadata for project name %s. Fix your '
                    '#egg=%s fragments.',
                    self.setup_py, self.name, metadata_name, self.name
                )
                self.req = pkg_resources.Requirement.parse(metadata_name)
Beispiel #11
0
    def build(self, autobuilding=False):
        """Build wheels.

        :param unpack: If True, replace the sdist we built from with the
            newly built wheel, in preparation for installation.
        :return: True if all the wheels built correctly.
        """
        assert self._wheel_dir or (autobuilding and self._cache_root)
        # unpack sdists and constructs req set
        self.requirement_set.prepare_files(self.finder)

        reqset = self.requirement_set.requirements.values()

        buildset = []
        for req in reqset:
            if req.constraint:
                continue
            if req.is_wheel:
                if not autobuilding:
                    logger.info('Skipping %s, due to already being wheel.',
                                req.name)
            elif req.editable:
                if not autobuilding:
                    logger.info(
                        'Skipping bdist_wheel for %s, due to being editable',
                        req.name)
            elif autobuilding and req.link and not req.link.is_artifact:
                pass
            elif autobuilding and not req.source_dir:
                pass
            else:
                if autobuilding:
                    link = req.link
                    base, ext = link.splitext()
                    if pip.index.egg_info_matches(base, None, link) is None:
                        # Doesn't look like a package - don't autobuild a wheel
                        # because we'll have no way to lookup the result sanely
                        continue
                    if "binary" not in pip.index.fmt_ctl_formats(
                            self.finder.format_control,
                            canonicalize_name(req.name)):
                        logger.info(
                            "Skipping bdist_wheel for %s, due to binaries "
                            "being disabled for it.", req.name)
                        continue
                buildset.append(req)

        if not buildset:
            return True

        # Build the wheels.
        logger.info(
            'Building wheels for collected packages: %s',
            ', '.join([req.name for req in buildset]),
        )
        with indent_log():
            build_success, build_failure = [], []
            for req in buildset:
                python_tag = None
                if autobuilding:
                    python_tag = pep425tags.implementation_tag
                    output_dir = _cache_for_link(self._cache_root, req.link)
                    try:
                        ensure_dir(output_dir)
                    except OSError as e:
                        logger.warn("Building wheel for %s failed: %s",
                                    req.name, e)
                        build_failure.append(req)
                        continue
                else:
                    output_dir = self._wheel_dir
                wheel_file = self._build_one(
                    req,
                    output_dir,
                    python_tag=python_tag,
                )
                if wheel_file:
                    build_success.append(req)
                    if autobuilding:
                        # XXX: This is mildly duplicative with prepare_files,
                        # but not close enough to pull out to a single common
                        # method.
                        # The code below assumes temporary source dirs -
                        # prevent it doing bad things.
                        if req.source_dir and not os.path.exists(
                                os.path.join(req.source_dir,
                                             PIP_DELETE_MARKER_FILENAME)):
                            raise AssertionError(
                                "bad source dir - missing marker")
                        # Delete the source we built the wheel from
                        req.remove_temporary_source()
                        # set the build directory again - name is known from
                        # the work prepare_files did.
                        req.source_dir = req.build_location(
                            self.requirement_set.build_dir)
                        # Update the link for this.
                        req.link = pip.index.Link(path_to_url(wheel_file))
                        assert req.link.is_wheel
                        # extract the wheel into the dir
                        unpack_url(req.link,
                                   req.source_dir,
                                   None,
                                   False,
                                   session=self.requirement_set.session)
                else:
                    build_failure.append(req)

        # notify success/failure
        if build_success:
            logger.info(
                'Successfully built %s',
                ' '.join([req.name for req in build_success]),
            )
        if build_failure:
            logger.info(
                'Failed to build %s',
                ' '.join([req.name for req in build_failure]),
            )
        # Return True if all builds were successful
        return len(build_failure) == 0
Beispiel #12
0
                        req.name)
            elif autobuilding and req.link and not req.link.is_artifact:
                pass
            elif autobuilding and not req.source_dir:
                pass
            else:
                if autobuilding:
                    link = req.link
                    base, ext = link.splitext()
                    if pip.index.egg_info_matches(base, None, link) is None:
                        # Doesn't look like a package - don't autobuild a wheel
                        # because we'll have no way to lookup the result sanely
                        continue
                    if "binary" not in pip.index.fmt_ctl_formats(
                            self.finder.format_control,
                            canonicalize_name(req.name)):
                        logger.info(
                            "Skipping bdist_wheel for %s, due to binaries "
                            "being disabled for it.", req.name)
                        continue
                buildset.append(req)

        if not buildset:
            return True

        # Build the wheels.
        logger.info(
            'Building wheels for collected packages: %s',
            ', '.join([req.name for req in buildset]),
        )
        with indent_log():
Beispiel #13
0
    def _link_package_versions(self, link, search):
        """Return an InstallationCandidate or None"""
        platform = get_platform()

        version = None
        if link.egg_fragment:
            egg_info = link.egg_fragment
            ext = link.ext
        else:
            egg_info, ext = link.splitext()
            if not ext:
                self._log_skipped_link(link, 'not a file')
                return
            if ext not in SUPPORTED_EXTENSIONS:
                self._log_skipped_link(
                    link, 'unsupported archive format: %s' % ext)
                return
            if "binary" not in search.formats and ext == wheel_ext:
                self._log_skipped_link(
                    link, 'No binaries permitted for %s' % search.supplied)
                return
            if "macosx10" in link.path and ext == '.zip':
                self._log_skipped_link(link, 'macosx10 one')
                return
            if ext == wheel_ext:
                try:
                    wheel = Wheel(link.filename)
                except InvalidWheelFilename:
                    self._log_skipped_link(link, 'invalid wheel filename')
                    return
                if canonicalize_name(wheel.name) != search.canonical:
                    self._log_skipped_link(
                        link, 'wrong project name (not %s)' % search.supplied)
                    return
                if not wheel.supported():
                    self._log_skipped_link(
                        link, 'it is not compatible with this Python')
                    return
                # This is a dirty hack to prevent installing Binary Wheels from
                # PyPI unless it is a Windows or Mac Binary Wheel. This is
                # paired with a change to PyPI disabling uploads for the
                # same. Once we have a mechanism for enabling support for
                # binary wheels on linux that deals with the inherent problems
                # of binary distribution this can be removed.
                comes_from = getattr(link, "comes_from", None)
                if (
                        (
                            not platform.startswith('win') and not
                            platform.startswith('macosx') and not
                            platform == 'cli'
                        ) and
                        comes_from is not None and
                        urllib_parse.urlparse(
                            comes_from.url
                        ).netloc.endswith(PyPI.netloc)):
                    if not wheel.supported(tags=supported_tags_noarch):
                        self._log_skipped_link(
                            link,
                            "it is a pypi-hosted binary "
                            "Wheel on an unsupported platform",
                        )
                        return
                version = wheel.version

        # This should be up by the search.ok_binary check, but see issue 2700.
        if "source" not in search.formats and ext != wheel_ext:
            self._log_skipped_link(
                link, 'No sources permitted for %s' % search.supplied)
            return

        if not version:
            version = egg_info_matches(egg_info, search.supplied, link)
        if version is None:
            self._log_skipped_link(
                link, 'wrong project name (not %s)' % search.supplied)
            return

        match = self._py_version_re.search(version)
        if match:
            version = version[:match.start()]
            py_version = match.group(1)
            if py_version != sys.version[:3]:
                self._log_skipped_link(
                    link, 'Python version is incorrect')
                return
        logger.debug('Found link %s, version: %s', link, version)

        return InstallationCandidate(search.supplied, version, link)
Beispiel #14
0
    def _find_all_versions(self, project_name):
        """Find all available versions for project_name

        This checks index_urls, find_links and dependency_links.
        All versions found are returned as an InstallationCandidate list.

        See _link_package_versions for details on which files are accepted
        """
        index_locations = self._get_index_urls_locations(project_name)
        index_file_loc, index_url_loc = self._sort_locations(index_locations)
        fl_file_loc, fl_url_loc = self._sort_locations(
            self.find_links, expand_dir=True)
        dep_file_loc, dep_url_loc = self._sort_locations(self.dependency_links)

        file_locations = (
            Link(url) for url in itertools.chain(
                index_file_loc, fl_file_loc, dep_file_loc)
        )

        # We trust every url that the user has given us whether it was given
        #   via --index-url or --find-links
        # We explicitly do not trust links that came from dependency_links
        # We want to filter out any thing which does not have a secure origin.
        url_locations = [
            link for link in itertools.chain(
                (Link(url) for url in index_url_loc),
                (Link(url) for url in fl_url_loc),
                (Link(url) for url in dep_url_loc),
            )
            if self._validate_secure_origin(logger, link)
        ]

        logger.debug('%d location(s) to search for versions of %s:',
                     len(url_locations), project_name)

        for location in url_locations:
            logger.debug('* %s', location)

        canonical_name = canonicalize_name(project_name)
        formats = fmt_ctl_formats(self.format_control, canonical_name)
        search = Search(project_name, canonical_name, formats)
        find_links_versions = self._package_versions(
            # We trust every directly linked archive in find_links
            (Link(url, '-f') for url in self.find_links),
            search
        )

        page_versions = []
        for page in self._get_pages(url_locations, project_name):
            logger.debug('Analyzing links from page %s', page.url)
            with indent_log():
                page_versions.extend(
                    self._package_versions(page.links, search)
                )

        dependency_versions = self._package_versions(
            (Link(url) for url in self.dependency_links), search
        )
        if dependency_versions:
            logger.debug(
                'dependency_links found: %s',
                ', '.join([
                    version.location.url for version in dependency_versions
                ])
            )

        file_versions = self._package_versions(file_locations, search)
        if file_versions:
            file_versions.sort(reverse=True)
            logger.debug(
                'Local files found: %s',
                ', '.join([
                    url_to_path(candidate.location.url)
                    for candidate in file_versions
                ])
            )

        # This is an intentional priority ordering
        return (
            file_versions + find_links_versions + page_versions +
            dependency_versions
        )
Beispiel #15
0
    def _link_package_versions(self, link, search):
        """Return an InstallationCandidate or None"""

        version = None
        if link.egg_fragment:
            egg_info = link.egg_fragment
            ext = link.ext
        else:
            egg_info, ext = link.splitext()
            if not ext:
                self._log_skipped_link(link, 'not a file')
                return
            if ext not in SUPPORTED_EXTENSIONS:
                self._log_skipped_link(
                    link, 'unsupported archive format: %s' % ext)
                return
            if "binary" not in search.formats and ext == wheel_ext:
                self._log_skipped_link(
                    link, 'No binaries permitted for %s' % search.supplied)
                return
            if "macosx10" in link.path and ext == '.zip':
                self._log_skipped_link(link, 'macosx10 one')
                return
            if ext == wheel_ext:
                try:
                    wheel = Wheel(link.filename)
                except InvalidWheelFilename:
                    self._log_skipped_link(link, 'invalid wheel filename')
                    return
                if canonicalize_name(wheel.name) != search.canonical:
                    self._log_skipped_link(
                        link, 'wrong project name (not %s)' % search.supplied)
                    return
                if not wheel.supported():
                    self._log_skipped_link(
                        link, 'it is not compatible with this Python')
                    return

                version = wheel.version

        # This should be up by the search.ok_binary check, but see issue 2700.
        if "source" not in search.formats and ext != wheel_ext:
            self._log_skipped_link(
                link, 'No sources permitted for %s' % search.supplied)
            return

        if not version:
            version = egg_info_matches(egg_info, search.supplied, link)
        if version is None:
            self._log_skipped_link(
                link, 'wrong project name (not %s)' % search.supplied)
            return

        match = self._py_version_re.search(version)
        if match:
            version = version[:match.start()]
            py_version = match.group(1)
            if py_version != sys.version[:3]:
                self._log_skipped_link(
                    link, 'Python version is incorrect')
                return
        logger.debug('Found link %s, version: %s', link, version)

        return InstallationCandidate(search.supplied, version, link)