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#!/usr/bin/python
import _rpm
# TODO: migrate relevant documentation from C-side
class TransactionSet(_rpm.ts):
_probFilter = 0
# FIXME: kludge for keeping refcounts on transaction element keys
_keyList = []
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 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 _rpmb
return _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 addInstall(self, item, key, how="u"):
if isinstance(item, str):
f = file(item)
header = self.hdrFromFdno(f)
f.close()
elif isinstance(item, file):
header = self.hdrFromFdno(item)
else:
header = item
if not how in ['u', 'i']:
raise ValueError, 'how argument must be "u" or "i"'
upgrade = (how == "u")
if not _rpm.ts.addInstall(self, header, key, upgrade):
raise _rpm.error, "adding package to transaction failed"
self._keyList.append(key)
def addErase(self, item):
hdrs = []
if isinstance(item, _rpm.hdr):
hdrs = [item]
elif isinstance(item, _rpm.mi):
hdrs = item
elif isinstance(item, int):
hdrs = self.dbMatch(_rpm.RPMDBI_PACKAGES, item)
elif isinstance(item, str):
hdrs = self.dbMatch(_rpm.RPMDBI_LABEL, item)
else:
raise TypeError, "invalid type %s" % type(item)
for h in hdrs:
if not _rpm.ts.addErase(self, h):
raise _rpm.error, "package not installed"
# garbage collection should take care but just in case...
if isinstance(hdrs, _rpm.mi):
del hdrs
def run(self, callback, data):
rc = _rpm.ts.run(self, callback, data, self._probFilter)
# crazy backwards compatibility goo: None for ok, list of problems
# if transaction didnt 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):
_rpm.ts.check(self, *args, **kwds)
probs = self.problems()
if not probs:
return None
# compatibility: munge problem strings into dependency tuples of doom
res = []
for p in probs:
# 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.pkgNEVR.rsplit('.', 1)[0]
n, v, r = nevr.rsplit('-', 2)
# extract the dependency information
needs = p.altNEVR.split()[1:]
needname = needs[0]
needflags = _rpm.RPMSENSE_ANY
if len(needs) == 3:
needop = needs[1]
if needop.find('<') >= 0: needflags |= _rpm.RPMSENSE_LESS
if needop.find('=') >= 0: needflags |= _rpm.RPMSENSE_EQUAL
if needop.find('>') >= 0: needflags |= _rpm.RPMSENSE_GREATER
needver = needs[2]
else:
needver = ""
res.append(((n, v, r),(needname,needver),needflags,sense,p.key))
return res
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