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usr
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lib64
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python3.6
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site-packages
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rpm
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Filename :
transaction.py
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from __future__ import with_statement import sys import rpm from rpm._rpm import ts as TransactionSetCore if sys.version_info[0] == 3: _string_types = str, else: _string_types = basestring, # TODO: migrate relevant documentation from C-side class TransactionSet(TransactionSetCore): _probFilter = 0 def _wrapSetGet(self, attr, val): oval = getattr(self, attr) setattr(self, attr, val) return oval def setVSFlags(self, flags): return self._wrapSetGet('_vsflags', flags) def getVSFlags(self): return self._vsflags def setVfyFlags(self, flags): return self._wrapSetGet('_vfyflags', flags) def getVfyFlags(self): return self._vfyflags def getVfyLevel(self): return self._vfylevel def setVfyLevel(self, flags): return self._wrapSetGet('_vfylevel', flags) def setColor(self, color): return self._wrapSetGet('_color', color) def setPrefColor(self, color): return self._wrapSetGet('_prefcolor', color) def setFlags(self, flags): return self._wrapSetGet('_flags', flags) def setProbFilter(self, ignoreSet): return self._wrapSetGet('_probFilter', ignoreSet) def parseSpec(self, specfile): import rpm._rpmb return rpm._rpmb.spec(specfile) def getKeys(self): keys = [] for te in self: keys.append(te.Key()) # Backwards compatibility goo - WTH does this return a *tuple* ?! if not keys: return None else: return tuple(keys) def _f2hdr(self, item): if isinstance(item, _string_types): with open(item) as f: header = self.hdrFromFdno(f) elif isinstance(item, rpm.hdr): header = item else: header = self.hdrFromFdno(item) return header def addInstall(self, item, key, how="u"): header = self._f2hdr(item) if how not in ['u', 'i']: raise ValueError('how argument must be "u" or "i"') upgrade = (how == "u") if not TransactionSetCore.addInstall(self, header, key, upgrade): raise rpm.error("adding package to transaction failed") def addReinstall(self, item, key): header = self._f2hdr(item) if not TransactionSetCore.addReinstall(self, header, key): raise rpm.error("adding package to transaction failed") def addErase(self, item): hdrs = [] # match iterators are passed on as-is if isinstance(item, rpm.mi): hdrs = item elif isinstance(item, rpm.hdr): hdrs.append(item) elif isinstance(item, (int, _string_types)): if isinstance(item, int): dbi = rpm.RPMDBI_PACKAGES else: dbi = rpm.RPMDBI_LABEL for h in self.dbMatch(dbi, item): hdrs.append(h) if not hdrs: raise rpm.error("package not installed") else: raise TypeError("invalid type %s" % type(item)) for h in hdrs: if not TransactionSetCore.addErase(self, h): raise rpm.error("package not installed") def run(self, callback, data): rc = TransactionSetCore.run(self, callback, data, self._probFilter) # crazy backwards compatibility goo: None for ok, list of problems # if transaction didn't complete and empty list if it completed # with errors if rc == 0: return None res = [] if rc > 0: for prob in self.problems(): item = ("%s" % prob, (prob.type, prob._str, prob._num)) res.append(item) return res def check(self, *args, **kwds): TransactionSetCore.check(self, *args, **kwds) # compatibility: munge problem strings into dependency tuples of doom res = [] for p in self.problems(): # is it anything we need to care about? if p.type == rpm.RPMPROB_CONFLICT: sense = rpm.RPMDEP_SENSE_CONFLICTS elif p.type == rpm.RPMPROB_REQUIRES: sense = rpm.RPMDEP_SENSE_REQUIRES else: continue # strip arch, split to name, version, release nevr = p.altNEVR.rsplit('.', 1)[0] n, v, r = nevr.rsplit('-', 2) # extract the dependency information needs = p._str.split() needname = needs[0] needflags = rpm.RPMSENSE_ANY if len(needs) == 3: needop = needs[1] if '<' in needop: needflags |= rpm.RPMSENSE_LESS if '=' in needop: needflags |= rpm.RPMSENSE_EQUAL if '>' in needop: needflags |= rpm.RPMSENSE_GREATER needver = needs[2] else: needver = "" res.append(((n, v, r), (needname, needver), needflags, sense, p.key)) return res def hdrCheck(self, blob): res, msg = TransactionSetCore.hdrCheck(self, blob) # generate backwards compatibly broken exceptions if res == rpm.RPMRC_NOKEY: raise rpm.error("public key not available") elif res == rpm.RPMRC_NOTTRUSTED: raise rpm.error("public key not trusted") elif res != rpm.RPMRC_OK: raise rpm.error(msg) def hdrFromFdno(self, fd): res, h = TransactionSetCore.hdrFromFdno(self, fd) # generate backwards compatibly broken exceptions if res == rpm.RPMRC_NOKEY: raise rpm.error("public key not available") elif res == rpm.RPMRC_NOTTRUSTED: raise rpm.error("public key not trusted") elif res != rpm.RPMRC_OK: raise rpm.error("error reading package header") return h