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from debian import deb822
import os.path
import re
class issue(deb822.Deb822):
nonReleaseFields = ['Candidate',
'References',
'Description',
'Notes',
'Bugs']
reservedPrefixes = ['Ubuntu-']
def __init__(self, path):
self.file = open(path, 'r')
self.d = deb822.Deb822(self.file)
self.name = os.path.basename(path)
def status(self, release):
if release in self.d:
return self.d[release]
else:
return ""
def fieldIsRelease(self, field):
if field in self.nonReleaseFields:
return False
for p in self.reservedPrefixes:
if field[:len(p)] == p:
return False
return True
def get_releases(self):
releases = set()
for field in self.d.keys():
if self.fieldIsRelease(field):
releases.add(field)
return releases
_ignore_patterns = [re.compile('.*~$'),
re.compile('^#.*'),
re.compile('^00.*')]
def _ignore_issue_name(issue):
for p in _ignore_patterns:
if p.match(issue):
return True
return False
# Pad last part of CVE ID to 8 digits so string comparison keeps working
def _pad_cve_id(cve_id):
return re.sub(r'-(\d+)$', lambda m: '-%08d' % int(m.group(1)), cve_id)
def get_issues(dir):
issues = []
L = [f for f in os.listdir(dir)
if not os.path.isdir(os.path.join(dir, f))
and not _ignore_issue_name(f)]
L.sort(key=_pad_cve_id)
return [ issue(os.path.join(dir, f)) for f in L ]
def parse_status(s):
ws = '\s*'
versions = '(?P<versions>\((\S*,\s*)*\S*\s*\))'
changerefs = '(?P<changerefs>\[(\S*,\s*)*\S*\s*\])'
state = '(?P<state>\S*)'
statusre = re.compile(ws + state + ws +
'(' + versions + '?)' +
'(' + changerefs + '?)')
m = statusre.match(s)
if not m:
raise SyntaxError
else:
return m.groupdict()
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