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# Copyright 2008 The Tor Project, Inc. See LICENSE for licensing information.
import thandy.packagesys.PackageSystem as PS
import os
try:
import rpm
except ImportError:
rpm = None
import md5
import thandy.formats
__all__ = [ 'RPMPackageSystem' ]
_CALLBACK_CODES = {}
for name in dir(rpm):
if name.startswith("RPMCALLBACK_"):
_CALLBACK_CODES[getattr(rpm, name)] = name[12:]
del name
class RPMPackageTransaction:
def _start(self):
PS.PackageTransaction.__init__(self)
self._tset = rpm.TransactionSet()
def _commit(self):
self._tset.run(self._callback, "")
def _callback(self, what, amount, total, mydata, _):
if what == rpm.RPMCALLBACK_INST_OPEN_FILE:
hdr, path = mydata
logging.info("Installing RPM for %s [%s]", hdr['name'], path)
elif what == rpm.RPMCALLBACK_INST_CLOSE_FILE:
hdr, path = mydata
logging.info("Done installing RPM for %s", path)
elif what == rpm.RPMCALLBACK_INST_PROGRESS:
hdr, path = mydata
logging.info("%s: %.5s%% done", name, float(amount)/total*100)
else:
hdr, path = mydata
logging.info("RPM event %s on %s [%s/%s]",
_CALLBACK_CODES.get(what,str(what)),
hdr['name'], amount, total)
def addRPMInstall(ts, path):
fd = os.open(path, os.O_RDONLY)
try:
hdr = ts.hdrFromFdno(fd)
finally:
os.close(fd)
ts.addInstall(hdr, (hdr, path), "u")
def addRPMErase(ts, name):
ts.addErase(name)
def getInstalledRPMVersions(name, ts=None):
if ts is None:
ts = rpm.TransactionSet()
#XXXX need to close?
versions = set()
for match in ts.dbMatch(rpm.RPMTAG_NAME, name):
versions.add(match['version'])
return versions
def fileMD5(fname):
d = md5.new()
try:
f = open(fname, 'r')
try:
while 1:
s = f.read(4096)
if not s:
break
d.update(s)
finally:
f.close()
except OSError, e:
logging.warn("Couldn't get digest of %s: %s", fname, e)
return None
return d.hexdigest()
def checkRPMInstall(name, version, ts=None):
if ts is None:
ts = rpm.TransactionSet()
#XXXX need to close?
found = False
all_ok = True
for h in ts.dbMatch(rpm.RPMTAG_NAME, name):
if h['version'] != version:
continue
found = True
for fname, flags, md5sum in zip(h['filenames'], h['fileflags'], h['filemd5s']):
haveMD5 = fileMD5(fname)
if not haveMD5:
if flags & RPMFILE_MISSINGOK:
logging.info("%s is missing or unreadable from %s %s; "
"that's ok.", fname, name, h['version'])
else:
logging.warn("%s is missing or unreadable from %s %s.",
fname, name, h['version'])
all_ok = False
elif haveMD5 == md5sum:
logging.info("%s is unchanged from %s %s",
fname, name, h['version'])
else:
# file changed. If it's not configuration, that's a problem.
if not flags & RPMFILE_CONFIG:
logging.warn("%s changed from installed version of %s %s",
fname, name, h['version'])
all_ok = False
return found and all_ok
class RPMChacker(PS.Checker):
def __init__(self, rpmname, rpmversion):
PS.Checker.__init__(self)
self._name = rpmname
self._version = rpmversion
def __repr__(self):
return "RPMChecker(%r, %r)"%(self._name, self._version)
def getInstalledVersions(self):
return getInstalledRPMVersions(self._name, self._transaction)
def isInstalled(self):
vers = getInstalledRPMVersions(self._name, self._transaction)
return self._version in vers
# def checkInstall(self):
# return checkRPMInstall(self._name, self._version)
class RPMInstaller(PS.Installer):
def __init__(self, rpmname, relPath):
PS.Installer.__init__(self, relPath)
self._name = rpmname
def __repr__(self):
return "RPMInstaller(%r, %r)"%(self._name, self._relPath)
def install(self, transaction):
addRPMInstall(transaction._trans, self.getFilename())
def remove(self, transaction):
addRPMErase(transaction._trans, self._name)
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