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/ opt / alt / python311 / lib / python3.11 / site-packages / pip / _internal / commands /

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index.py

import logging
from optparse import Values
from typing import Any, Iterable, List, Optional, Union

from pip._vendor.packaging.version import LegacyVersion, Version

from pip._internal.cli import cmdoptions
from pip._internal.cli.req_command import IndexGroupCommand
from pip._internal.cli.status_codes import ERROR, SUCCESS
from pip._internal.commands.search import print_dist_installation_info
from pip._internal.exceptions import CommandError, DistributionNotFound, PipError
from pip._internal.index.collector import LinkCollector
from pip._internal.index.package_finder import PackageFinder
from pip._internal.models.selection_prefs import SelectionPreferences
from pip._internal.models.target_python import TargetPython
from pip._internal.network.session import PipSession
from pip._internal.utils.misc import write_output

logger = logging.getLogger(__name__)

class IndexCommand(IndexGroupCommand):
    """
    Inspect information available from package indexes.
    """

usage = """
        %prog versions <package>
    """

def add_options(self) -> None:
        cmdoptions.add_target_python_options(self.cmd_opts)

self.cmd_opts.add_option(cmdoptions.ignore_requires_python())
        self.cmd_opts.add_option(cmdoptions.pre())
        self.cmd_opts.add_option(cmdoptions.no_binary())
        self.cmd_opts.add_option(cmdoptions.only_binary())

index_opts = cmdoptions.make_option_group(
            cmdoptions.index_group,
            self.parser,
        )

self.parser.insert_option_group(0, index_opts)
        self.parser.insert_option_group(0, self.cmd_opts)

def run(self, options: Values, args: List[str]) -> int:
        handlers = {
            "versions": self.get_available_package_versions,
        }

logger.warning(
            "pip index is currently an experimental command. "
            "It may be removed/changed in a future release "
            "without prior warning."
        )

# Determine action
        if not args or args[0] not in handlers:
            logger.error(
                "Need an action (%s) to perform.",
                ", ".join(sorted(handlers)),
            )
            return ERROR

action = args[0]

# Error handling happens here, not in the action-handlers.
        try:
            handlers[action](options, args[1:])
        except PipError as e:
            logger.error(e.args[0])
            return ERROR

return SUCCESS

def _build_package_finder(
        self,
        options: Values,
        session: PipSession,
        target_python: Optional[TargetPython] = None,
        ignore_requires_python: Optional[bool] = None,
    ) -> PackageFinder:
        """
        Create a package finder appropriate to the index command.
        """
        link_collector = LinkCollector.create(session, options=options)

# Pass allow_yanked=False to ignore yanked versions.
        selection_prefs = SelectionPreferences(
            allow_yanked=False,
            allow_all_prereleases=options.pre,
            ignore_requires_python=ignore_requires_python,
        )

return PackageFinder.create(
            link_collector=link_collector,
            selection_prefs=selection_prefs,
            target_python=target_python,
        )

def get_available_package_versions(self, options: Values, args: List[Any]) -> None:
        if len(args) != 1:
            raise CommandError("You need to specify exactly one argument")

target_python = cmdoptions.make_target_python(options)
        query = args[0]

with self._build_session(options) as session:
            finder = self._build_package_finder(
                options=options,
                session=session,
                target_python=target_python,
                ignore_requires_python=options.ignore_requires_python,
            )

versions: Iterable[Union[LegacyVersion, Version]] = (
                candidate.version for candidate in finder.find_all_candidates(query)
            )

if not options.pre:
                # Remove prereleases
                versions = (
                    version for version in versions if not version.is_prerelease
                )
            versions = set(versions)

if not versions:
                raise DistributionNotFound(
                    "No matching distribution found for {}".format(query)
                )

formatted_versions = [str(ver) for ver in sorted(versions, reverse=True)]
            latest = formatted_versions[0]

write_output("{} ({})".format(query, latest))
        write_output("Available versions: {}".format(", ".join(formatted_versions)))
        print_dist_installation_info(query, latest)

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	root/linksafe	drwxr-xr-x	2024-03-03 10:59:03
..	dir	-	root/linksafe	drwxr-xr-x	2024-03-03 10:59:03
__pycache__	dir	-	root/linksafe	drwxr-xr-x	2024-03-03 10:59:03
__init__.py	text/plain	3.65 KB	root/linksafe	-rw-r--r--	2023-11-13 10:00:31
cache.py	text/x-script.python	7.35 KB	root/linksafe	-rw-r--r--	2023-11-13 10:00:31
check.py	text/x-script.python	1.65 KB	root/linksafe	-rw-r--r--	2023-11-13 10:00:31
completion.py	text/x-script.python	2.89 KB	root/linksafe	-rw-r--r--	2023-11-13 10:00:31
configuration.py	text/x-script.python	8.73 KB	root/linksafe	-rw-r--r--	2023-11-13 10:00:31
debug.py	text/x-script.python	6.47 KB	root/linksafe	-rw-r--r--	2023-11-13 10:00:31
download.py	text/x-script.python	4.79 KB	root/linksafe	-rw-r--r--	2023-11-13 10:00:31
freeze.py	text/x-script.python	2.88 KB	root/linksafe	-rw-r--r--	2023-11-13 10:00:31
hash.py	text/x-script.python	1.66 KB	root/linksafe	-rw-r--r--	2023-11-13 10:00:31
help.py	text/x-script.python	1.11 KB	root/linksafe	-rw-r--r--	2023-11-13 10:00:31
index.py	text/x-script.python	4.65 KB	root/linksafe	-rw-r--r--	2023-11-13 10:00:31
install.py	text/x-script.python	27.2 KB	root/linksafe	-rw-r--r--	2023-11-13 10:00:31
list.py	text/x-script.python	11.92 KB	root/linksafe	-rw-r--r--	2023-11-13 10:00:31
search.py	text/x-script.python	5.56 KB	root/linksafe	-rw-r--r--	2023-11-13 10:00:31
show.py	text/x-script.python	7.88 KB	root/linksafe	-rw-r--r--	2023-11-13 10:00:31
uninstall.py	text/x-script.python	3.44 KB	root/linksafe	-rw-r--r--	2023-11-13 10:00:31
wheel.py	text/x-script.python	6.02 KB	root/linksafe	-rw-r--r--	2023-11-13 10:00:31