Python pkg_resources.safe_extra方法代码示例

# 需要导入模块: from pip._vendor import pkg_resources [as 别名]
# 或者: from pip._vendor.pkg_resources import safe_extra [as 别名]
def get_requirements_from_dist(
    dist: EggInfoDistribution, extras: Sequence[str]
) -> List[str]:
    """Get requirements of a distribution, with given extras."""
    extras_in_metadata = []
    result = []
    dep_map = dist._build_dep_map()
    for extra, reqs in dep_map.items():
        reqs = [Requirement.from_pkg_requirement(r) for r in reqs]
        if not extra:
            # requirements without extras are always required.
            result.extend(r.as_line() for r in reqs)
        else:
            new_extra, _, marker = extra.partition(":")
            extras_in_metadata.append(new_extra.strip())
            # Only include requirements that match one of extras.
            if not new_extra.strip() or safe_extra(new_extra.strip()) in extras:
                marker = Marker(marker) if marker else None
                for r in reqs:
                    r.marker = marker
                    result.append(r.as_line())
    extras_not_found = [e for e in extras if e not in extras_in_metadata]
    if extras_not_found:
        warnings.warn(ExtrasError(extras_not_found), stacklevel=2)
    return result 

# 需要导入模块: from pip._vendor import pkg_resources [as 别名]
# 或者: from pip._vendor.pkg_resources import safe_extra [as 别名]
def _safe_extras(extras):
    return set(pkg_resources.safe_extra(extra) for extra in extras) 

# 需要导入模块: from pip._vendor import pkg_resources [as 别名]
# 或者: from pip._vendor.pkg_resources import safe_extra [as 别名]
def __init__(self, req, comes_from, source_dir=None, editable=False,
                 link=None, update=True, markers=None,
                 isolated=False, options=None, wheel_cache=None,
                 constraint=False, extras=()):
        assert req is None or isinstance(req, Requirement), req
        self.req = req
        self.comes_from = comes_from
        self.constraint = constraint
        if source_dir is not None:
            self.source_dir = os.path.normpath(os.path.abspath(source_dir))
        else:
            self.source_dir = None
        self.editable = editable

        self._wheel_cache = wheel_cache
        if link is not None:
            self.link = self.original_link = link
        else:
            from pip._internal.index import Link
            self.link = self.original_link = req and req.url and Link(req.url)

        if extras:
            self.extras = extras
        elif req:
            self.extras = {
                pkg_resources.safe_extra(extra) for extra in req.extras
            }
        else:
            self.extras = set()
        if markers is not None:
            self.markers = markers
        else:
            self.markers = req and req.marker
        self._egg_info_path = None
        # This holds the pkg_resources.Distribution object if this requirement
        # is already available:
        self.satisfied_by = None
        # This hold the pkg_resources.Distribution object if this requirement
        # conflicts with another installed distribution:
        self.conflicts_with = None
        # Temporary build location
        self._temp_build_dir = TempDirectory(kind="req-build")
        # Used to store the global directory where the _temp_build_dir should
        # have been created. Cf _correct_build_location method.
        self._ideal_build_dir = None
        # True if the editable should be updated:
        self.update = update
        # Set to True after successful installation
        self.install_succeeded = None
        # UninstallPathSet of uninstalled distribution (for possible rollback)
        self.uninstalled_pathset = None
        self.options = options if options else {}
        # Set to True after successful preparation of this requirement
        self.prepared = False
        self.is_direct = False

        self.isolated = isolated
        self.build_env = BuildEnvironment(no_clean=True) 

# 需要导入模块: from pip._vendor import pkg_resources [as 别名]
# 或者: from pip._vendor.pkg_resources import safe_extra [as 别名]
def __init__(self, req, comes_from, source_dir=None, editable=False,
                 link=None, update=True, markers=None,
                 isolated=False, options=None, wheel_cache=None,
                 constraint=False, extras=()):
        assert req is None or isinstance(req, Requirement), req
        self.req = req
        self.comes_from = comes_from
        self.constraint = constraint
        if source_dir is not None:
            self.source_dir = os.path.normpath(os.path.abspath(source_dir))
        else:
            self.source_dir = None
        self.editable = editable

        self._wheel_cache = wheel_cache
        if link is not None:
            self.link = self.original_link = link
        else:
            from pip._internal.index import Link
            self.link = self.original_link = req and req.url and Link(req.url)

        if extras:
            self.extras = extras
        elif req:
            self.extras = {
                pkg_resources.safe_extra(extra) for extra in req.extras
            }
        else:
            self.extras = set()
        if markers is not None:
            self.markers = markers
        else:
            self.markers = req and req.marker
        self._egg_info_path = None
        # This holds the pkg_resources.Distribution object if this requirement
        # is already available:
        self.satisfied_by = None
        # This hold the pkg_resources.Distribution object if this requirement
        # conflicts with another installed distribution:
        self.conflicts_with = None
        # Temporary build location
        self._temp_build_dir = TempDirectory(kind="req-build")
        # Used to store the global directory where the _temp_build_dir should
        # have been created. Cf _correct_build_location method.
        self._ideal_build_dir = None
        # True if the editable should be updated:
        self.update = update
        # Set to True after successful installation
        self.install_succeeded = None
        # UninstallPathSet of uninstalled distribution (for possible rollback)
        self.uninstalled_pathset = None
        self.options = options if options else {}
        # Set to True after successful preparation of this requirement
        self.prepared = False
        self.is_direct = False

        self.isolated = isolated
        self.build_env = NoOpBuildEnvironment()

    # Constructors
    #   TODO: Move these out of this class into custom methods.