Python utils.canonicalize_name方法代码示例

# 需要导入模块: from pip._vendor.packaging import utils [as 别名]
# 或者: from pip._vendor.packaging.utils import canonicalize_name [as 别名]
def _get_index_urls_locations(self, project_name):
        """Returns the locations found via self.index_urls

        Checks the url_name on the main (first in the list) index and
        use this url_name to produce all locations
        """

        def mkurl_pypi_url(url):
            loc = posixpath.join(
                url,
                urllib_parse.quote(canonicalize_name(project_name)))
            # For maximum compatibility with easy_install, ensure the path
            # ends in a trailing slash.  Although this isn't in the spec
            # (and PyPI can handle it without the slash) some other index
            # implementations might break if they relied on easy_install's
            # behavior.
            if not loc.endswith('/'):
                loc = loc + '/'
            return loc

        return [mkurl_pypi_url(url) for url in self.index_urls] 

# 需要导入模块: from pip._vendor.packaging import utils [as 别名]
# 或者: from pip._vendor.packaging.utils import canonicalize_name [as 别名]
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) 

# 需要导入模块: from pip._vendor.packaging import utils [as 别名]
# 或者: from pip._vendor.packaging.utils import canonicalize_name [as 别名]
def _get_candidates(self, link, package_name):
        can_not_cache = (
            not self.cache_dir or
            not package_name or
            not link
        )
        if can_not_cache:
            return []

        canonical_name = canonicalize_name(package_name)
        formats = index.fmt_ctl_formats(
            self.format_control, canonical_name
        )
        if not self.allowed_formats.intersection(formats):
            return []

        root = self.get_path_for_link(link)
        try:
            return os.listdir(root)
        except OSError as err:
            if err.errno in {errno.ENOENT, errno.ENOTDIR}:
                return []
            raise 

# 需要导入模块: from pip._vendor.packaging import utils [as 别名]
# 或者: from pip._vendor.packaging.utils import canonicalize_name [as 别名]
def create_package_set_from_installed(**kwargs):
    # type: (**Any) -> Tuple[PackageSet, bool]
    """Converts a list of distributions into a PackageSet.
    """
    # Default to using all packages installed on the system
    if kwargs == {}:
        kwargs = {"local_only": False, "skip": ()}

    package_set = {}
    problems = False
    for dist in get_installed_distributions(**kwargs):
        name = canonicalize_name(dist.project_name)
        try:
            package_set[name] = PackageDetails(dist.version, dist.requires())
        except RequirementParseError as e:
            # Don't crash on broken metadata
            logging.warning("Error parsing requirements for %s: %s", name, e)
            problems = True
    return package_set, problems 

# 需要导入模块: from pip._vendor.packaging import utils [as 别名]
# 或者: from pip._vendor.packaging.utils import canonicalize_name [as 别名]
def _simulate_installation_of(to_install, package_set):
    # type: (List[InstallRequirement], PackageSet) -> Set[str]
    """Computes the version of packages after installing to_install.
    """

    # Keep track of packages that were installed
    installed = set()

    # Modify it as installing requirement_set would (assuming no errors)
    for inst_req in to_install:
        dist = make_abstract_dist(inst_req).dist()
        name = canonicalize_name(dist.key)
        package_set[name] = PackageDetails(dist.version, dist.requires())

        installed.add(name)

    return installed 

# 需要导入模块: from pip._vendor.packaging import utils [as 别名]
# 或者: from pip._vendor.packaging.utils import canonicalize_name [as 别名]
def _find_name_version_sep(egg_info, canonical_name):
    # type: (str, str) -> int
    """Find the separator's index based on the package's canonical name.

    `egg_info` must be an egg info string for the given package, and
    `canonical_name` must be the package's canonical name.

    This function is needed since the canonicalized name does not necessarily
    have the same length as the egg info's name part. An example::

    >>> egg_info = 'foo__bar-1.0'
    >>> canonical_name = 'foo-bar'
    >>> _find_name_version_sep(egg_info, canonical_name)
    8
    """
    # Project name and version must be separated by one single dash. Find all
    # occurrences of dashes; if the string in front of it matches the canonical
    # name, this is the one separating the name and version parts.
    for i, c in enumerate(egg_info):
        if c != "-":
            continue
        if canonicalize_name(egg_info[:i]) == canonical_name:
            return i
    raise ValueError("{} does not match {}".format(egg_info, canonical_name)) 

# 需要导入模块: from pip._vendor.packaging import utils [as 别名]
# 或者: from pip._vendor.packaging.utils import canonicalize_name [as 别名]
def handle_mutual_excludes(value, target, other):
        # type: (str, Optional[Set], Optional[Set]) -> None
        new = value.split(',')
        while ':all:' in new:
            other.clear()
            target.clear()
            target.add(':all:')
            del new[:new.index(':all:') + 1]
            # Without a none, we want to discard everything as :all: covers it
            if ':none:' not in new:
                return
        for name in new:
            if name == ':none:':
                target.clear()
                continue
            name = canonicalize_name(name)
            other.discard(name)
            target.add(name) 

# 需要导入模块: from pip._vendor.packaging import utils [as 别名]
# 或者: from pip._vendor.packaging.utils import canonicalize_name [as 别名]
def _get_candidates(self, link, package_name):
        # type: (Link, Optional[str]) -> List[Any]
        can_not_cache = (
            not self.cache_dir or
            not package_name or
            not link
        )
        if can_not_cache:
            return []

        canonical_name = canonicalize_name(package_name)
        formats = self.format_control.get_allowed_formats(
            canonical_name
        )
        if not self.allowed_formats.intersection(formats):
            return []

        root = self.get_path_for_link(link)
        try:
            return os.listdir(root)
        except OSError as err:
            if err.errno in {errno.ENOENT, errno.ENOTDIR}:
                return []
            raise 

# 需要导入模块: from pip._vendor.packaging import utils [as 别名]
# 或者: from pip._vendor.packaging.utils import canonicalize_name [as 别名]
def _get_index_urls_locations(self, project_name):
        # type: (str) -> List[str]
        """Returns the locations found via self.index_urls

        Checks the url_name on the main (first in the list) index and
        use this url_name to produce all locations
        """

        def mkurl_pypi_url(url):
            loc = posixpath.join(
                url,
                urllib_parse.quote(canonicalize_name(project_name)))
            # For maximum compatibility with easy_install, ensure the path
            # ends in a trailing slash.  Although this isn't in the spec
            # (and PyPI can handle it without the slash) some other index
            # implementations might break if they relied on easy_install's
            # behavior.
            if not loc.endswith('/'):
                loc = loc + '/'
            return loc

        return [mkurl_pypi_url(url) for url in self.index_urls]