?HAMA

Edit File Size: 2.97 KB

/opt/hc_python/lib64/python3.12/site-packages/pip/_internal/req/__init__.py

Text Base64

from __future__ import annotations

import collections
import logging
from collections.abc import Generator
from dataclasses import dataclass

from pip._internal.cli.progress_bars import BarType, get_install_progress_renderer
from pip._internal.utils.logging import indent_log

from .req_file import parse_requirements
from .req_install import InstallRequirement
from .req_set import RequirementSet

__all__ = [
    "RequirementSet",
    "InstallRequirement",
    "parse_requirements",
    "install_given_reqs",
]

logger = logging.getLogger(__name__)

@dataclass(frozen=True)
class InstallationResult:
    name: str

def _validate_requirements(
    requirements: list[InstallRequirement],
) -> Generator[tuple[str, InstallRequirement], None, None]:
    for req in requirements:
        assert req.name, f"invalid to-be-installed requirement: {req}"
        yield req.name, req

def install_given_reqs(
    requirements: list[InstallRequirement],
    root: str | None,
    home: str | None,
    prefix: str | None,
    warn_script_location: bool,
    use_user_site: bool,
    pycompile: bool,
    progress_bar: BarType,
) -> list[InstallationResult]:
    """
    Install everything in the given list.

(to be called after having downloaded and unpacked the packages)
    """
    to_install = collections.OrderedDict(_validate_requirements(requirements))

if to_install:
        logger.info(
            "Installing collected packages: %s",
            ", ".join(to_install.keys()),
        )

installed = []

show_progress = logger.isEnabledFor(logging.INFO) and len(to_install) > 1

items = iter(to_install.values())
    if show_progress:
        renderer = get_install_progress_renderer(
            bar_type=progress_bar, total=len(to_install)
        )
        items = renderer(items)

with indent_log():
        for requirement in items:
            req_name = requirement.name
            assert req_name is not None
            if requirement.should_reinstall:
                logger.info("Attempting uninstall: %s", req_name)
                with indent_log():
                    uninstalled_pathset = requirement.uninstall(auto_confirm=True)
            else:
                uninstalled_pathset = None

try:
                requirement.install(
                    root=root,
                    home=home,
                    prefix=prefix,
                    warn_script_location=warn_script_location,
                    use_user_site=use_user_site,
                    pycompile=pycompile,
                )
            except Exception:
                # if install did not succeed, rollback previous uninstall
                if uninstalled_pathset and not requirement.install_succeeded:
                    uninstalled_pathset.rollback()
                raise
            else:
                if uninstalled_pathset and requirement.install_succeeded:
                    uninstalled_pathset.commit()

installed.append(InstallationResult(req_name))

return installed

Exit & Reset Text mode: syntax highlighting auto-detects file type.

Name	Size	Perms	Modified	Actions
__pycache__ DIR	-	drwxr-xr-x	2025-12-03 08:02:41	Edit Download recursive recursive
constructors.py	18.15 KB	lrw-r--r--	2025-12-03 08:02:41	Edit Download recursive recursive
req_dependency_group.py	2.56 KB	lrw-r--r--	2025-12-03 08:02:41	Edit Download recursive recursive
req_file.py	19.66 KB	lrw-r--r--	2025-12-03 08:02:41	Edit Download recursive recursive
req_install.py	30.54 KB	lrw-r--r--	2025-12-03 08:02:41	Edit Download recursive recursive
req_set.py	2.76 KB	lrw-r--r--	2025-12-03 08:02:41	Edit Download recursive recursive
req_uninstall.py	23.53 KB	lrw-r--r--	2025-12-03 08:02:41	Edit Download recursive recursive
__init__.py	2.97 KB	lrw-r--r--	2025-12-03 08:02:41	Edit Download recursive recursive

Directory Contents