469 lines
12 KiB
Python
469 lines
12 KiB
Python
import collections
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import os.path
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import re
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from . import utils
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class Changelog(list):
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_rules = r"""
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^
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(?P<source>
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\w[-+0-9a-z.]+
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)
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\
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\(
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(?P<version>
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[^\(\)\ \t]+
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)
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\)
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\s+
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(?P<distribution>
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[-+0-9a-zA-Z.]+
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)
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\;\s+urgency=
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(?P<urgency>
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\w+
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)
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"""
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_re = re.compile(_rules, re.X)
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class Entry(object):
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__slot__ = 'distribution', 'source', 'version', 'urgency'
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def __init__(self, distribution, source, version, urgency):
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self.distribution, self.source, self.version, self.urgency = \
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distribution, source, version, urgency
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def __init__(self, dir='', version=None):
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if version is None:
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version = Version
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with open(os.path.join(dir, "debian/changelog"), encoding="UTF-8") as f:
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while True:
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line = f.readline()
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if not line:
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break
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match = self._re.match(line)
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if not match:
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continue
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try:
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v = version(match.group('version'))
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except Exception:
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if not len(self):
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raise
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v = Version(match.group('version'))
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self.append(self.Entry(match.group('distribution'),
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match.group('source'), v,
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match.group('urgency')))
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class Version(object):
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_version_rules = r"""
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^
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(?:
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(?P<epoch>
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\d+
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)
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:
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)?
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(?P<upstream>
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.+?
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)
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(?:
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-
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(?P<revision>[^-]+)
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)?
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$
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"""
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_version_re = re.compile(_version_rules, re.X)
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def __init__(self, version):
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match = self._version_re.match(version)
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if match is None:
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raise RuntimeError(u"Invalid debian version")
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self.epoch = None
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if match.group("epoch") is not None:
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self.epoch = int(match.group("epoch"))
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self.upstream = match.group("upstream")
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self.revision = match.group("revision")
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def __str__(self):
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return self.complete
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@property
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def complete(self):
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if self.epoch is not None:
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return u"%d:%s" % (self.epoch, self.complete_noepoch)
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return self.complete_noepoch
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@property
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def complete_noepoch(self):
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if self.revision is not None:
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return u"%s-%s" % (self.upstream, self.revision)
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return self.upstream
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@property
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def debian(self):
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from warnings import warn
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warn(u"debian argument was replaced by revision", DeprecationWarning, stacklevel=2)
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return self.revision
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class VersionLinux(Version):
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_version_linux_rules = r"""
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^
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(?P<version>
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\d+\.\d+
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)
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(?P<update>
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(?:\.\d+)?
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(?:-[a-z]+\d+)?
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)
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(?:
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~
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(?P<modifier>
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.+?
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)
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)?
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(?:
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\.dfsg\.
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(?P<dfsg>
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\d+
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)
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)?
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-
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\d+
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(\.\d+)?
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(?:
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(?P<revision_experimental>
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~exp\d+
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)
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(?P<revision_security>
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[~+]deb\d+u\d+
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)?
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(?P<revision_backports>
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~bpo\d+\+\d+
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)?
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(?P<revision_other>
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[^-]+
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)
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)
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$
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"""
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_version_linux_re = re.compile(_version_linux_rules, re.X)
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def __init__(self, version):
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super(VersionLinux, self).__init__(version)
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match = self._version_linux_re.match(version)
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if match is None:
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raise RuntimeError(u"Invalid debian linux version")
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d = match.groupdict()
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self.linux_modifier = d['modifier']
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self.linux_version = d['version']
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if d['modifier'] is not None:
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assert not d['update']
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self.linux_upstream = '-'.join((d['version'], d['modifier']))
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else:
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self.linux_upstream = d['version']
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self.linux_upstream_full = self.linux_upstream + d['update']
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self.linux_dfsg = d['dfsg']
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self.linux_revision_experimental = match.group('revision_experimental') and True
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self.linux_revision_security = match.group('revision_security') and True
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self.linux_revision_backports = match.group('revision_backports') and True
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self.linux_revision_other = match.group('revision_other') and True
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class PackageArchitecture(collections.MutableSet):
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__slots__ = '_data'
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def __init__(self, value=None):
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self._data = set()
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if value:
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self.extend(value)
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def __contains__(self, value):
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return self._data.__contains__(value)
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def __iter__(self):
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return self._data.__iter__()
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def __len__(self):
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return self._data.__len__()
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def __str__(self):
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return ' '.join(sorted(self))
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def add(self, value):
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self._data.add(value)
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def discard(self, value):
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self._data.discard(value)
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def extend(self, value):
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if isinstance(value, str):
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for i in re.split('\s', value.strip()):
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self.add(i)
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else:
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raise RuntimeError
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class PackageDescription(object):
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__slots__ = "short", "long"
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def __init__(self, value=None):
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self.short = []
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self.long = []
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if value is not None:
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desc_split = value.split("\n", 1)
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self.append_short(desc_split[0])
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if len(desc_split) == 2:
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self.append(desc_split[1])
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def __str__(self):
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wrap = utils.TextWrapper(width=74, fix_sentence_endings=True).wrap
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short = ', '.join(self.short)
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long_pars = []
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for i in self.long:
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long_pars.append(wrap(i))
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long = '\n .\n '.join(['\n '.join(i) for i in long_pars])
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return short + '\n ' + long if long else short
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def append(self, str):
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str = str.strip()
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if str:
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self.long.extend(str.split(u"\n.\n"))
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def append_short(self, str):
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for i in [i.strip() for i in str.split(u",")]:
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if i:
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self.short.append(i)
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def extend(self, desc):
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if isinstance(desc, PackageDescription):
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self.short.extend(desc.short)
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self.long.extend(desc.long)
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else:
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raise TypeError
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class PackageRelation(list):
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def __init__(self, value=None, override_arches=None):
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if value:
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self.extend(value, override_arches)
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def __str__(self):
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return ', '.join(str(i) for i in self)
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def _search_value(self, value):
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for i in self:
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if i._search_value(value):
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return i
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return None
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def append(self, value, override_arches=None):
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if isinstance(value, str):
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value = PackageRelationGroup(value, override_arches)
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elif not isinstance(value, PackageRelationGroup):
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raise ValueError(u"got %s" % type(value))
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j = self._search_value(value)
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if j:
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j._update_arches(value)
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else:
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super(PackageRelation, self).append(value)
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def extend(self, value, override_arches=None):
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if isinstance(value, str):
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value = (j.strip() for j in re.split(',', value.strip()))
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for i in value:
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self.append(i, override_arches)
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class PackageRelationGroup(list):
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def __init__(self, value=None, override_arches=None):
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if value:
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self.extend(value, override_arches)
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def __str__(self):
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return ' | '.join(str(i) for i in self)
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def _search_value(self, value):
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for i, j in zip(self, value):
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if i.name != j.name or i.operator != j.operator or \
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i.version != j.version or i.restrictions != j.restrictions:
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return None
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return self
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def _update_arches(self, value):
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for i, j in zip(self, value):
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if i.arches:
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for arch in j.arches:
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if arch not in i.arches:
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i.arches.append(arch)
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def append(self, value, override_arches=None):
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if isinstance(value, str):
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value = PackageRelationEntry(value, override_arches)
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elif not isinstance(value, PackageRelationEntry):
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raise ValueError
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super(PackageRelationGroup, self).append(value)
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def extend(self, value, override_arches=None):
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if isinstance(value, str):
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value = (j.strip() for j in re.split('\|', value.strip()))
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for i in value:
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self.append(i, override_arches)
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class PackageRelationEntry(object):
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__slots__ = "name", "operator", "version", "arches", "restrictions"
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_re = re.compile(r'^(\S+)(?: \((<<|<=|=|!=|>=|>>)\s*([^)]+)\))?(?: \[([^]]+)\])?(?: <([^>]+)>)?$')
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class _operator(object):
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OP_LT = 1
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OP_LE = 2
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OP_EQ = 3
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OP_NE = 4
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OP_GE = 5
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OP_GT = 6
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operators = {
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'<<': OP_LT,
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'<=': OP_LE,
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'=': OP_EQ,
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'!=': OP_NE,
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'>=': OP_GE,
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'>>': OP_GT,
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}
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operators_neg = {
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OP_LT: OP_GE,
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OP_LE: OP_GT,
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OP_EQ: OP_NE,
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OP_NE: OP_EQ,
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OP_GE: OP_LT,
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OP_GT: OP_LE,
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}
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operators_text = dict((b, a) for a, b in operators.items())
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__slots__ = '_op',
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def __init__(self, value):
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self._op = self.operators[value]
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def __neg__(self):
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return self.__class__(self.operators_text[self.operators_neg[self._op]])
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def __str__(self):
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return self.operators_text[self._op]
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def __eq__(self, other):
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return type(other) == type(self) and self._op == other._op
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def __init__(self, value=None, override_arches=None):
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if not isinstance(value, str):
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raise ValueError
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self.parse(value)
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if override_arches:
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self.arches = list(override_arches)
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def __str__(self):
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ret = [self.name]
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if self.operator is not None and self.version is not None:
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ret.extend((' (', str(self.operator), ' ', self.version, ')'))
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if self.arches:
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ret.extend((' [', ' '.join(self.arches), ']'))
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if self.restrictions:
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ret.extend((' <', ' '.join(self.restrictions), '>'))
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return ''.join(ret)
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def parse(self, value):
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match = self._re.match(value)
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if match is None:
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raise RuntimeError(u"Can't parse dependency %s" % value)
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match = match.groups()
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self.name = match[0]
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if match[1] is not None:
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self.operator = self._operator(match[1])
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else:
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self.operator = None
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self.version = match[2]
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if match[3] is not None:
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self.arches = re.split('\s+', match[3])
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else:
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self.arches = []
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if match[4] is not None:
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self.restrictions = re.split('\s+', match[4])
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else:
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self.restrictions = []
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class _ControlFileDict(dict):
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def __setitem__(self, key, value):
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try:
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cls = self._fields[key]
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if not isinstance(value, cls):
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value = cls(value)
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except KeyError:
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pass
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super(_ControlFileDict, self).__setitem__(key, value)
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def keys(self):
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keys = set(super(_ControlFileDict, self).keys())
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for i in self._fields.keys():
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if i in self:
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keys.remove(i)
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yield i
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for i in sorted(list(keys)):
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yield i
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def items(self):
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for i in self.keys():
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yield (i, self[i])
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def values(self):
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for i in self.keys():
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yield self[i]
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class Package(_ControlFileDict):
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_fields = collections.OrderedDict((
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('Package', str),
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('Source', str),
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('Architecture', PackageArchitecture),
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('Section', str),
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('Priority', str),
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('Maintainer', str),
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('Uploaders', str),
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('Standards-Version', str),
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('Build-Depends', PackageRelation),
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('Build-Depends-Arch', PackageRelation),
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('Build-Depends-Indep', PackageRelation),
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('Provides', PackageRelation),
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('Pre-Depends', PackageRelation),
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('Depends', PackageRelation),
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('Recommends', PackageRelation),
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('Suggests', PackageRelation),
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('Replaces', PackageRelation),
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('Breaks', PackageRelation),
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('Conflicts', PackageRelation),
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('Description', PackageDescription),
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))
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class TestsControl(_ControlFileDict):
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_fields = collections.OrderedDict((
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('Tests', str),
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('Test-Command', str),
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('Restrictions', str),
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('Features', str),
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('Depends', PackageRelation),
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('Tests-Directory', str),
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('Classes', str),
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))
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