def format_records(self, start, count, res_set, rec_syn):
l = []
for i in range(start - 1, start + count - 1):
elt = res_set[i]
elt_external = asn1.EXTERNAL()
elt_external.direct_reference = zdefs.Z3950_RECSYN_SUTRS_ov
elt_external.encoding = ('single-ASN1-type', elt)
n = zdefs.NamePlusRecord()
n.name = 'foo' # XXX
n.record = 'retrievalRecord', elt_external
l.append(n)
return l
def format_one(self, rec, esn, syntax, next):
elt_external = asn1.EXTERNAL()
elt_external.direct_reference = zdefs.Z3950_RECSYN_SUTRS_ov
elt_external.encoding = ('single-ASN1-type',
str(esn) + ': ' + str(rec))
n = zdefs.NamePlusRecord()
n.name = dbname
n.record = ('retrievalRecord', elt_external)
# we could call next(n) directly, but using reactor.callLater
# helps to ensure there aren't any bugs which would be revealed
# by running from callback context, and prevents stack overflow
# for large Present requests. Normally, I'd expect some kind of
# async call to be required to fetch the data, so 'next' should
# be triggered from a deferred callback. (An errback should
# correspond to a surrogate diagnostic.)
if callLater:
reactor.callLater(0.01, next, n)
else:
next(n)