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from __future__ import annotations
import platform
import sys
from importlib.metadata import version
from warnings import warn
import lxml.etree
from scrapy.exceptions import ScrapyDeprecationWarning
from scrapy.settings.default_settings import LOG_VERSIONS
from scrapy.utils.ssl import get_openssl_version
_DEFAULT_SOFTWARE = ["Scrapy", *LOG_VERSIONS]
def _version(item):
lowercase_item = item.lower()
if lowercase_item == "libxml2":
return ".".join(map(str, lxml.etree.LIBXML_VERSION))
if lowercase_item == "platform":
return platform.platform()
if lowercase_item == "pyopenssl":
return get_openssl_version()
if lowercase_item == "python":
return sys.version.replace("\n", "- ")
return version(item)
def get_versions(
software: list | None = None,
) -> list[tuple[str, str]]:
software = software or _DEFAULT_SOFTWARE
return [(item, _version(item)) for item in software]
def scrapy_components_versions() -> list[tuple[str, str]]:
warn(
(
"scrapy.utils.versions.scrapy_components_versions() is deprecated, "
"use scrapy.utils.versions.get_versions() instead."
),
ScrapyDeprecationWarning,
stacklevel=2,
)
return get_versions()
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