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cfefa928be
* Bump dnspython from 2.4.2 to 2.6.1 Bumps [dnspython](https://github.com/rthalley/dnspython) from 2.4.2 to 2.6.1. - [Release notes](https://github.com/rthalley/dnspython/releases) - [Changelog](https://github.com/rthalley/dnspython/blob/main/doc/whatsnew.rst) - [Commits](https://github.com/rthalley/dnspython/compare/v2.4.2...v2.6.1) --- updated-dependencies: - dependency-name: dnspython dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com> * Update dnspython==2.6.1 --------- Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> Co-authored-by: JonnyWong16 <9099342+JonnyWong16@users.noreply.github.com> [skip ci]
93 lines
2.3 KiB
Python
93 lines
2.3 KiB
Python
# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license
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import importlib.metadata
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import itertools
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import string
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from typing import Dict, List, Tuple
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def _tuple_from_text(version: str) -> Tuple:
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text_parts = version.split(".")
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int_parts = []
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for text_part in text_parts:
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digit_prefix = "".join(
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itertools.takewhile(lambda x: x in string.digits, text_part)
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)
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try:
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int_parts.append(int(digit_prefix))
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except Exception:
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break
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return tuple(int_parts)
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def _version_check(
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requirement: str,
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) -> bool:
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"""Is the requirement fulfilled?
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The requirement must be of the form
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package>=version
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"""
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package, minimum = requirement.split(">=")
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try:
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version = importlib.metadata.version(package)
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except Exception:
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return False
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t_version = _tuple_from_text(version)
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t_minimum = _tuple_from_text(minimum)
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if t_version < t_minimum:
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return False
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return True
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_cache: Dict[str, bool] = {}
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def have(feature: str) -> bool:
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"""Is *feature* available?
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This tests if all optional packages needed for the
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feature are available and recent enough.
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Returns ``True`` if the feature is available,
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and ``False`` if it is not or if metadata is
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missing.
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"""
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value = _cache.get(feature)
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if value is not None:
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return value
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requirements = _requirements.get(feature)
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if requirements is None:
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# we make a cache entry here for consistency not performance
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_cache[feature] = False
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return False
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ok = True
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for requirement in requirements:
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if not _version_check(requirement):
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ok = False
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break
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_cache[feature] = ok
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return ok
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def force(feature: str, enabled: bool) -> None:
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"""Force the status of *feature* to be *enabled*.
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This method is provided as a workaround for any cases
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where importlib.metadata is ineffective, or for testing.
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"""
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_cache[feature] = enabled
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_requirements: Dict[str, List[str]] = {
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### BEGIN generated requirements
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"dnssec": ["cryptography>=41"],
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"doh": ["httpcore>=1.0.0", "httpx>=0.26.0", "h2>=4.1.0"],
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"doq": ["aioquic>=0.9.25"],
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"idna": ["idna>=3.6"],
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"trio": ["trio>=0.23"],
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"wmi": ["wmi>=1.5.1"],
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### END generated requirements
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}
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