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aaf7efefba
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: 5dfd5ad5144708b474ef31eaa89a846c57be8ac0)
(From OE-Core rev: 73f8c25a44ee33866a8fa61824437285cea96249)
Signed-off-by: Lee Chee Yang <chee.yang.lee@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 86b42289bd)
Signed-off-by: Anuj Mittal <anuj.mittal@intel.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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