SkullCyberArmy Bypass Shell

Uname : Linux server1.cgrithy.com 3.10.0-1160.95.1.el7.x86_64 #1 SMP Mon Jul 24 13:59:37 UTC 2023 x86_64
Soft : Apache
Ip : 203.161.60.200
Port : 443

File Name : build_env.py

"""Build Environment used for isolation during sdist building
"""

import logging
import os
import pathlib
import site
import sys
import textwrap
from collections import OrderedDict
from types import TracebackType
from typing import TYPE_CHECKING, Iterable, List, Optional, Set, Tuple, Type, Union

from pip._vendor.certifi import where
from pip._vendor.packaging.requirements import Requirement
from pip._vendor.packaging.version import Version

from pip import __file__ as pip_location
from pip._internal.cli.spinners import open_spinner
from pip._internal.locations import get_platlib, get_purelib, get_scheme
from pip._internal.metadata import get_default_environment, get_environment
from pip._internal.utils.subprocess import call_subprocess
from pip._internal.utils.temp_dir import TempDirectory, tempdir_kinds

if TYPE_CHECKING:
    from pip._internal.index.package_finder import PackageFinder

logger = logging.getLogger(__name__)

def _dedup(a: str, b: str) -> Union[Tuple[str], Tuple[str, str]]:
    return (a, b) if a != b else (a,)

class _Prefix:
    def __init__(self, path: str) -> None:
        self.path = path
        self.setup = False
        scheme = get_scheme("", prefix=path)
        self.bin_dir = scheme.scripts
        self.lib_dirs = _dedup(scheme.purelib, scheme.platlib)

def get_runnable_pip() -> str:
    """Get a file to pass to a Python executable, to run the currently-running pip.

This is used to run a pip subprocess, for installing requirements into the build
    environment.
    """
    source = pathlib.Path(pip_location).resolve().parent

if not source.is_dir():
        # This would happen if someone is using pip from inside a zip file. In that
        # case, we can use that directly.
        return str(source)

return os.fsdecode(source / "__pip-runner__.py")

def _get_system_sitepackages() -> Set[str]:
    """Get system site packages

Usually from site.getsitepackages,
    but fallback on `get_purelib()/get_platlib()` if unavailable
    (e.g. in a virtualenv created by virtualenv<20)

Returns normalized set of strings.
    """
    if hasattr(site, "getsitepackages"):
        system_sites = site.getsitepackages()
    else:
        # virtualenv < 20 overwrites site.py without getsitepackages
        # fallback on get_purelib/get_platlib.
        # this is known to miss things, but shouldn't in the cases
        # where getsitepackages() has been removed (inside a virtualenv)
        system_sites = [get_purelib(), get_platlib()]
    return {os.path.normcase(path) for path in system_sites}

class BuildEnvironment:
    """Creates and manages an isolated environment to install build deps"""

def __init__(self) -> None:
        temp_dir = TempDirectory(kind=tempdir_kinds.BUILD_ENV, globally_managed=True)

self._prefixes = OrderedDict(
            (name, _Prefix(os.path.join(temp_dir.path, name)))
            for name in ("normal", "overlay")
        )

self._bin_dirs: List[str] = []
        self._lib_dirs: List[str] = []
        for prefix in reversed(list(self._prefixes.values())):
            self._bin_dirs.append(prefix.bin_dir)
            self._lib_dirs.extend(prefix.lib_dirs)

# Customize site to:
        # - ensure .pth files are honored
        # - prevent access to system site packages
        system_sites = _get_system_sitepackages()

self._site_dir = os.path.join(temp_dir.path, "site")
        if not os.path.exists(self._site_dir):
            os.mkdir(self._site_dir)
        with open(
            os.path.join(self._site_dir, "sitecustomize.py"), "w", encoding="utf-8"
        ) as fp:
            fp.write(
                textwrap.dedent(
                    """
                import os, site, sys

# First, drop system-sites related paths.
                original_sys_path = sys.path[:]
                known_paths = set()
                for path in {system_sites!r}:
                    site.addsitedir(path, known_paths=known_paths)
                system_paths = set(
                    os.path.normcase(path)
                    for path in sys.path[len(original_sys_path):]
                )
                original_sys_path = [
                    path for path in original_sys_path
                    if os.path.normcase(path) not in system_paths
                ]
                sys.path = original_sys_path

# Second, add lib directories.
                # ensuring .pth file are processed.
                for path in {lib_dirs!r}:
                    assert not path in sys.path
                    site.addsitedir(path)
                """
                ).format(system_sites=system_sites, lib_dirs=self._lib_dirs)
            )

def __enter__(self) -> None:
        self._save_env = {
            name: os.environ.get(name, None)
            for name in ("PATH", "PYTHONNOUSERSITE", "PYTHONPATH")
        }

path = self._bin_dirs[:]
        old_path = self._save_env["PATH"]
        if old_path:
            path.extend(old_path.split(os.pathsep))

pythonpath = [self._site_dir]

os.environ.update(
            {
                "PATH": os.pathsep.join(path),
                "PYTHONNOUSERSITE": "1",
                "PYTHONPATH": os.pathsep.join(pythonpath),
            }
        )

def __exit__(
        self,
        exc_type: Optional[Type[BaseException]],
        exc_val: Optional[BaseException],
        exc_tb: Optional[TracebackType],
    ) -> None:
        for varname, old_value in self._save_env.items():
            if old_value is None:
                os.environ.pop(varname, None)
            else:
                os.environ[varname] = old_value

def check_requirements(
        self, reqs: Iterable[str]
    ) -> Tuple[Set[Tuple[str, str]], Set[str]]:
        """Return 2 sets:
        - conflicting requirements: set of (installed, wanted) reqs tuples
        - missing requirements: set of reqs
        """
        missing = set()
        conflicting = set()
        if reqs:
            env = (
                get_environment(self._lib_dirs)
                if hasattr(self, "_lib_dirs")
                else get_default_environment()
            )
            for req_str in reqs:
                req = Requirement(req_str)
                # We're explicitly evaluating with an empty extra value, since build
                # environments are not provided any mechanism to select specific extras.
                if req.marker is not None and not req.marker.evaluate({"extra": ""}):
                    continue
                dist = env.get_distribution(req.name)
                if not dist:
                    missing.add(req_str)
                    continue
                if isinstance(dist.version, Version):
                    installed_req_str = f"{req.name}=={dist.version}"
                else:
                    installed_req_str = f"{req.name}==={dist.version}"
                if not req.specifier.contains(dist.version, prereleases=True):
                    conflicting.add((installed_req_str, req_str))
                # FIXME: Consider direct URL?
        return conflicting, missing

def install_requirements(
        self,
        finder: "PackageFinder",
        requirements: Iterable[str],
        prefix_as_string: str,
        *,
        kind: str,
    ) -> None:
        prefix = self._prefixes[prefix_as_string]
        assert not prefix.setup
        prefix.setup = True
        if not requirements:
            return
        self._install_requirements(
            get_runnable_pip(),
            finder,
            requirements,
            prefix,
            kind=kind,
        )

@staticmethod
    def _install_requirements(
        pip_runnable: str,
        finder: "PackageFinder",
        requirements: Iterable[str],
        prefix: _Prefix,
        *,
        kind: str,
    ) -> None:
        args: List[str] = [
            sys.executable,
            pip_runnable,
            "install",
            "--ignore-installed",
            "--no-user",
            "--prefix",
            prefix.path,
            "--no-warn-script-location",
        ]
        if logger.getEffectiveLevel() <= logging.DEBUG:
            args.append("-v")
        for format_control in ("no_binary", "only_binary"):
            formats = getattr(finder.format_control, format_control)
            args.extend(
                (
                    "--" + format_control.replace("_", "-"),
                    ",".join(sorted(formats or {":none:"})),
                )
            )

index_urls = finder.index_urls
        if index_urls:
            args.extend(["-i", index_urls[0]])
            for extra_index in index_urls[1:]:
                args.extend(["--extra-index-url", extra_index])
        else:
            args.append("--no-index")
        for link in finder.find_links:
            args.extend(["--find-links", link])

for host in finder.trusted_hosts:
            args.extend(["--trusted-host", host])
        if finder.allow_all_prereleases:
            args.append("--pre")
        if finder.prefer_binary:
            args.append("--prefer-binary")
        args.append("--")
        args.extend(requirements)
        extra_environ = {"_PIP_STANDALONE_CERT": where()}
        with open_spinner(f"Installing {kind}") as spinner:
            call_subprocess(
                args,
                command_desc=f"pip subprocess to install {kind}",
                spinner=spinner,
                extra_environ=extra_environ,
            )

class NoOpBuildEnvironment(BuildEnvironment):
    """A no-op drop-in replacement for BuildEnvironment"""

def __init__(self) -> None:
        pass

def __enter__(self) -> None:
        pass

def __exit__(
        self,
        exc_type: Optional[Type[BaseException]],
        exc_val: Optional[BaseException],
        exc_tb: Optional[TracebackType],
    ) -> None:
        pass

def cleanup(self) -> None:
        pass

def install_requirements(
        self,
        finder: "PackageFinder",
        requirements: Iterable[str],
        prefix_as_string: str,
        *,
        kind: str,
    ) -> None:
        raise NotImplementedError()

Name	Type	Size	Permission	Last Modified	Actions
.	dir	-	0755	2023-09-12 12:51:41
..	dir	-	0755	2023-09-12 12:51:42
__pycache__	dir	-	0755	2023-09-12 12:51:41
cli	dir	-	0755	2023-09-12 12:51:41
commands	dir	-	0755	2023-09-12 12:51:41
distributions	dir	-	0755	2023-09-12 12:51:41
index	dir	-	0755	2023-09-12 12:51:41
locations	dir	-	0755	2023-09-12 12:51:41
metadata	dir	-	0755	2023-09-12 12:51:41
models	dir	-	0755	2023-09-12 12:51:41
network	dir	-	0755	2023-09-12 12:51:41
operations	dir	-	0755	2023-09-12 12:51:41
req	dir	-	0755	2023-09-12 12:51:41
resolution	dir	-	0755	2023-09-12 12:51:41
utils	dir	-	0755	2023-09-12 12:51:41
vcs	dir	-	0755	2023-09-12 12:51:41
__init__.py	text/x-script.python	573 B	0644	2023-06-23 12:19:28
build_env.py	text/plain	10 KB	0644	2023-06-23 12:19:28
cache.py	text/plain	9.43 KB	0644	2023-06-23 12:19:28
configuration.py	text/plain	13.21 KB	0644	2023-06-23 12:19:28
exceptions.py	text/plain	23.18 KB	0644	2023-06-23 12:19:28
main.py	text/x-script.python	340 B	0644	2023-06-23 12:19:28
pyproject.py	text/x-script.python	6.99 KB	0644	2023-06-23 12:19:28
self_outdated_check.py	text/x-script.python	7.98 KB	0644	2023-06-23 12:19:28
wheel_builder.py	text/plain	11.56 KB	0644	2023-06-23 12:19:28