def chunker(s):
z = zlib.compress(s)
zl = len(z)
chunk = 1
index = 0
remain = zl
while remain>0:
l = min(preset_chunk_size,remain)
yield chunk,piw.makeblob2(z[index:index+l],0)
chunk += 1
index += l
remain -= l
def get_blob(self):
z = ''.join([ n.get_data().as_blob2() for n in self.itervalues() ])
return piw.makeblob2(zlib.decompress(z) if z else '',0)