晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 .
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Current File : //opt/imunify360/venv/lib64/python3.11/site-packages/pip/_vendor/truststore/_openssl.py
import contextlib
import os
import re
import ssl
import typing

# candidates based on https://github.com/tiran/certifi-system-store by Christian Heimes
_CA_FILE_CANDIDATES = [
    # Alpine, Arch, Fedora 34+, OpenWRT, RHEL 9+, BSD
    "/etc/ssl/cert.pem",
    # Fedora <= 34, RHEL <= 9, CentOS <= 9
    "/etc/pki/tls/cert.pem",
    # Debian, Ubuntu (requires ca-certificates)
    "/etc/ssl/certs/ca-certificates.crt",
    # SUSE
    "/etc/ssl/ca-bundle.pem",
]

_HASHED_CERT_FILENAME_RE = re.compile(r"^[0-9a-fA-F]{8}\.[0-9]$")


@contextlib.contextmanager
def _configure_context(ctx: ssl.SSLContext) -> typing.Iterator[None]:
    # First, check whether the default locations from OpenSSL
    # seem like they will give us a usable set of CA certs.
    # ssl.get_default_verify_paths already takes care of:
    # - getting cafile from either the SSL_CERT_FILE env var
    #   or the path configured when OpenSSL was compiled,
    #   and verifying that that path exists
    # - getting capath from either the SSL_CERT_DIR env var
    #   or the path configured when OpenSSL was compiled,
    #   and verifying that that path exists
    # In addition we'll check whether capath appears to contain certs.
    defaults = ssl.get_default_verify_paths()
    if defaults.cafile or (defaults.capath and _capath_contains_certs(defaults.capath)):
        ctx.set_default_verify_paths()
    else:
        # cafile from OpenSSL doesn't exist
        # and capath from OpenSSL doesn't contain certs.
        # Let's search other common locations instead.
        for cafile in _CA_FILE_CANDIDATES:
            if os.path.isfile(cafile):
                ctx.load_verify_locations(cafile=cafile)
                break

    yield


def _capath_contains_certs(capath: str) -> bool:
    """Check whether capath exists and contains certs in the expected format."""
    if not os.path.isdir(capath):
        return False
    for name in os.listdir(capath):
        if _HASHED_CERT_FILENAME_RE.match(name):
            return True
    return False


def _verify_peercerts_impl(
    ssl_context: ssl.SSLContext,
    cert_chain: list[bytes],
    server_hostname: str | None = None,
) -> None:
    # This is a no-op because we've enabled SSLContext's built-in
    # verification via verify_mode=CERT_REQUIRED, and don't need to repeat it.
    pass

haha - 2025