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78f58a4769
CVE_VERSION_SUFFIX in "patch" to treat version string with suffix "pX" or "patchX" as patched release. also update testcases to cover this changes and set CVE_VERSION_SUFFIX for sudo. (From OE-Core rev: 8076815fc2ffc8f632e73527ce2b7d158a29e9ea) Signed-off-by: Lee Chee Yang <chee.yang.lee@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
66 lines
2.3 KiB
Python
66 lines
2.3 KiB
Python
import collections
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import re
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import itertools
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import functools
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_Version = collections.namedtuple(
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"_Version", ["release", "patch_l", "pre_l", "pre_v"]
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)
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@functools.total_ordering
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class Version():
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def __init__(self, version, suffix=None):
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suffixes = ["alphabetical", "patch"]
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if str(suffix) == "alphabetical":
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version_pattern = r"""r?v?(?:(?P<release>[0-9]+(?:[-\.][0-9]+)*)(?P<patch>[-_\.]?(?P<patch_l>[a-z]))?(?P<pre>[-_\.]?(?P<pre_l>(rc|alpha|beta|pre|preview|dev))[-_\.]?(?P<pre_v>[0-9]+)?)?)(.*)?"""
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elif str(suffix) == "patch":
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version_pattern = r"""r?v?(?:(?P<release>[0-9]+(?:[-\.][0-9]+)*)(?P<patch>[-_\.]?(p|patch)(?P<patch_l>[0-9]+))?(?P<pre>[-_\.]?(?P<pre_l>(rc|alpha|beta|pre|preview|dev))[-_\.]?(?P<pre_v>[0-9]+)?)?)(.*)?"""
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else:
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version_pattern = r"""r?v?(?:(?P<release>[0-9]+(?:[-\.][0-9]+)*)(?P<pre>[-_\.]?(?P<pre_l>(rc|alpha|beta|pre|preview|dev))[-_\.]?(?P<pre_v>[0-9]+)?)?)(.*)?"""
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regex = re.compile(r"^\s*" + version_pattern + r"\s*$", re.VERBOSE | re.IGNORECASE)
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match = regex.search(version)
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if not match:
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raise Exception("Invalid version: '{0}'".format(version))
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self._version = _Version(
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release=tuple(int(i) for i in match.group("release").replace("-",".").split(".")),
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patch_l=match.group("patch_l") if str(suffix) in suffixes and match.group("patch_l") else "",
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pre_l=match.group("pre_l"),
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pre_v=match.group("pre_v")
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)
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self._key = _cmpkey(
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self._version.release,
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self._version.patch_l,
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self._version.pre_l,
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self._version.pre_v
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)
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def __eq__(self, other):
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if not isinstance(other, Version):
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return NotImplemented
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return self._key == other._key
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def __gt__(self, other):
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if not isinstance(other, Version):
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return NotImplemented
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return self._key > other._key
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def _cmpkey(release, patch_l, pre_l, pre_v):
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# remove leading 0
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_release = tuple(
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reversed(list(itertools.dropwhile(lambda x: x == 0, reversed(release))))
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)
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_patch = patch_l.upper()
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if pre_l is None and pre_v is None:
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_pre = float('inf')
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else:
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_pre = float(pre_v) if pre_v else float('-inf')
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return _release, _patch, _pre
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