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2b526d9079
add CVE_VERSION_SUFFIX to indicate the version suffix type, currently works in two value, "alphabetical" if the version string uses single alphabetical character suffix as incremental release, blank to not consider the unidentified suffixes. This can be expand when more suffix pattern identified. refactor cve_check.Version class to use functools and add parameter to handle suffix condition. Also update testcases to cover new changes. (From OE-Core rev: 37a40c30709bf80c74948f47361b2be2c646c9d8) Signed-off-by: Lee Chee Yang <chee.yang.lee@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org> (cherry picked from commit 5dfd5ad5144708b474ef31eaa89a846c57be8ac0) Signed-off-by: Steve Sakoman <steve@sakoman.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
61 lines
2.0 KiB
Python
61 lines
2.0 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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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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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) == "alphabetical" 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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