def merge(cards):
"""Merge a list of cards into one card"""
new = NCard()
for c in cards:
for k,v in c:
new.add(k,v)
return new
def read(fh):
"""Yields all cards read from a file"""
chunks = dict()
for name,data in read_iff(fh):
chunks[name] = data
fh.close()
keys = chunks["KEYS"].split("\0")
data = chunks["MCRD"]
length = len(data)
pos = 0
count = 0
cc = NCard()
while pos < length:
key = keys[ord(data[pos])]
pos += 1
if key == keys[0]:
cc.id = count
yield cc
count += 1
cc = NCard()
else:
end = data.index("\0", pos)
cc.add(key, data[pos:end].decode("utf8"))
pos = end+1
