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__pycache__	-	Open
appdirs.py	1.67 MB	View DL Edit
compat.py	2.34 MB	View DL Edit
compatibility_tags.py	6.51 MB	View DL Edit
datetime.py	241 B	View DL Edit
deprecation.py	3.62 MB	View DL Edit
direct_url_helpers.py	3.12 MB	View DL Edit
egg_link.py	2.41 MB	View DL Edit
entrypoints.py	3.25 MB	View DL Edit
filesystem.py	4.83 MB	View DL Edit
filetypes.py	715 B	View DL Edit
glibc.py	3.65 MB	View DL Edit
hashes.py	4.86 MB	View DL Edit
logging.py	11.79 MB	View DL Edit
misc.py	22.9 MB	View DL Edit
packaging.py	1.57 MB	View DL Edit
retry.py	1.36 MB	View DL Edit
setuptools_build.py	4.38 MB	View DL Edit
subprocess.py	8.78 MB	View DL Edit
temp_dir.py	9.09 MB	View DL Edit
unpacking.py	11.65 MB	View DL Edit
urls.py	1.56 MB	View DL Edit
virtualenv.py	3.38 MB	View DL Edit
wheel.py	4.39 MB	View DL Edit
_jaraco_text.py	3.27 MB	View DL Edit
_log.py	1015 B	View DL Edit
__init__.py	0 B	View DL Edit

Edit file: /opt/imunify360/venv/lib/python3.11/site-packages/pip/_internal/utils/virtualenv.py

import logging
import os
import re
import site
import sys
from typing import List, Optional

logger = logging.getLogger(__name__)
_INCLUDE_SYSTEM_SITE_PACKAGES_REGEX = re.compile(
    r"include-system-site-packages\s*=\s*(?P<value>true|false)"
)

def _running_under_venv() -> bool:
    """Checks if sys.base_prefix and sys.prefix match.

This handles PEP 405 compliant virtual environments.
    """
    return sys.prefix != getattr(sys, "base_prefix", sys.prefix)

def _running_under_legacy_virtualenv() -> bool:
    """Checks if sys.real_prefix is set.

This handles virtual environments created with pypa's virtualenv.
    """
    # pypa/virtualenv case
    return hasattr(sys, "real_prefix")

def running_under_virtualenv() -> bool:
    """True if we're running inside a virtual environment, False otherwise."""
    return _running_under_venv() or _running_under_legacy_virtualenv()

def _get_pyvenv_cfg_lines() -> Optional[List[str]]:
    """Reads {sys.prefix}/pyvenv.cfg and returns its contents as list of lines

Returns None, if it could not read/access the file.
    """
    pyvenv_cfg_file = os.path.join(sys.prefix, "pyvenv.cfg")
    try:
        # Although PEP 405 does not specify, the built-in venv module always
        # writes with UTF-8. (pypa/pip#8717)
        with open(pyvenv_cfg_file, encoding="utf-8") as f:
            return f.read().splitlines()  # avoids trailing newlines
    except OSError:
        return None

def _no_global_under_venv() -> bool:
    """Check `{sys.prefix}/pyvenv.cfg` for system site-packages inclusion

PEP 405 specifies that when system site-packages are not supposed to be
    visible from a virtual environment, `pyvenv.cfg` must contain the following
    line:

include-system-site-packages = false

Additionally, log a warning if accessing the file fails.
    """
    cfg_lines = _get_pyvenv_cfg_lines()
    if cfg_lines is None:
        # We're not in a "sane" venv, so assume there is no system
        # site-packages access (since that's PEP 405's default state).
        logger.warning(
            "Could not access 'pyvenv.cfg' despite a virtual environment "
            "being active. Assuming global site-packages is not accessible "
            "in this environment."
        )
        return True

for line in cfg_lines:
        match = _INCLUDE_SYSTEM_SITE_PACKAGES_REGEX.match(line)
        if match is not None and match.group("value") == "false":
            return True
    return False

def _no_global_under_legacy_virtualenv() -> bool:
    """Check if "no-global-site-packages.txt" exists beside site.py

This mirrors logic in pypa/virtualenv for determining whether system
    site-packages are visible in the virtual environment.
    """
    site_mod_dir = os.path.dirname(os.path.abspath(site.__file__))
    no_global_site_packages_file = os.path.join(
        site_mod_dir,
        "no-global-site-packages.txt",
    )
    return os.path.exists(no_global_site_packages_file)

def virtualenv_no_global() -> bool:
    """Returns a boolean, whether running in venv with no system site-packages."""
    # PEP 405 compliance needs to be checked first since virtualenv >=20 would
    # return True for both checks, but is only able to use the PEP 405 config.
    if _running_under_venv():
        return _no_global_under_venv()

if _running_under_legacy_virtualenv():
        return _no_global_under_legacy_virtualenv()

return False

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