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import collections
import re
import itertools
import functools
_Version = collections.namedtuple(
"_Version", ["release", "patch_l", "pre_l", "pre_v"]
)
@functools.total_ordering
class Version():
def __init__(self, version, suffix=None):
suffixes = ["alphabetical", "patch"]
if str(suffix) == "alphabetical":
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]+)?)?)(.*)?"""
elif str(suffix) == "patch":
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]+)?)?)(.*)?"""
else:
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]+)?)?)(.*)?"""
regex = re.compile(r"^\s*" + version_pattern + r"\s*$", re.VERBOSE | re.IGNORECASE)
match = regex.search(version)
if not match:
raise Exception("Invalid version: '{0}'".format(version))
self._version = _Version(
release=tuple(int(i) for i in match.group("release").replace("-",".").split(".")),
patch_l=match.group("patch_l") if str(suffix) in suffixes and match.group("patch_l") else "",
pre_l=match.group("pre_l"),
pre_v=match.group("pre_v")
)
self._key = _cmpkey(
self._version.release,
self._version.patch_l,
self._version.pre_l,
self._version.pre_v
)
def __eq__(self, other):
if not isinstance(other, Version):
return NotImplemented
return self._key == other._key
def __gt__(self, other):
if not isinstance(other, Version):
return NotImplemented
return self._key > other._key
def _cmpkey(release, patch_l, pre_l, pre_v):
# remove leading 0
_release = tuple(
reversed(list(itertools.dropwhile(lambda x: x == 0, reversed(release))))
)
_patch = patch_l.upper()
if pre_l is None and pre_v is None:
_pre = float('inf')
else:
_pre = float(pre_v) if pre_v else float('-inf')
return _release, _patch, _pre
def cve_check_merge_jsons(output, data):
"""
Merge the data in the "package" property to the main data file
output
"""
if output["version"] != data["version"]:
bb.error("Version mismatch when merging JSON outputs")
return
for product in output["package"]:
if product["name"] == data["package"][0]["name"]:
bb.error("Error adding the same package twice")
return
output["package"].append(data["package"][0])
def update_symlinks(target_path, link_path):
"""
Update a symbolic link link_path to point to target_path.
Remove the link and recreate it if exist and is different.
"""
if link_path != target_path and os.path.exists(target_path):
if os.path.exists(os.path.realpath(link_path)):
os.remove(link_path)
os.symlink(os.path.basename(target_path), link_path)
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