def runConversion(self, job_id, source, target, format='pdf'):
tempdir = filepath.FilePath(tempfile.mkdtemp(suffix='-unoconv'))
tempsrc = tempdir.child(source.basename())
source.copyTo(tempsrc)
bin = "unoconv"
args = ["-v"] * 5 + [
"-f", format,
#"-T", "10",
tempsrc.path,
]
yield self.queue.acquire()
log.msg("JID {0} - Spawning conversion process".format(job_id))
try:
d = defer.Deferred()
prot = ConverterProcessProtocol(d, job_id)
print " ".join([bin] + args)
reactor.spawnProcess(prot, bin, [bin] + args, env=os.environ)
d.addCallback(self.handleResult, tempsrc, target)
d.addErrback(self.handleError, job_id, tempdir)
result = yield d
except Exception as e:
print "ERROR"
print e
raise
finally:
# Release the lock only after some time to make sure all uno
# resources are freed before restarting the service.
utils.sleep(10).addCallback(lambda _: self.queue.release())
defer.returnValue(result)
def getUpload(self, upload_id):
# 1. Santiy check and initialization
source = settings.completed_root.globChildren(upload_id + '.*')
if not source:
# Before raising an InvalidUploadID exception, let some grace
# period to allow to close the ftp connection/move the file if the
# client is too fast.
yield sleep(2)
source = settings.completed_root.globChildren(upload_id + '.*')
# If the file still does not exists, throw the exception
if not source:
raise error.InvalidUploadID(upload_id)
defer.returnValue(source[0])
def _unreg(result, task):
d = sleep(self.remove_timeout)
d.addCallback(lambda _: self.unregister(task))
return result
