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pyfec: add easyfec.Decoder(), which is easier to use than fec.Decoder()

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This commit is contained in:
Zooko O'Whielacronx 2007-04-14 10:52:45 -07:00
parent 50353b982b
commit 89f036c012
1 changed files with 13 additions and 5 deletions
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18
pyfec/fec/easyfec.py
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@ -7,7 +7,6 @@ def div_ceil(n, d):
"""
return (n/d) + (n%d != 0)
class Encoder(object):
def __init__(self, k, m):
self.fec = fec.Encoder(k, m)
@ -22,8 +21,17 @@ class Encoder(object):
# padding
if len(l[-1]) != len(l[0]):
l[-1] = l[-1] + ('\x00'*(len(l[0])-len(l[-1])))
return self.fec.encode(l)
def decode(self, blocks):
return self.fec.decode(blocks)
res = self.fec.encode(l)
return res
class Decoder(object):
def __init__(self, k, m):
self.fec = fec.Decoder(k, m)
def decode(self, blocks, sharenums, padlen=0):
blocks = self.fec.decode(blocks, sharenums)
data = ''.join(blocks)
if padlen:
data = data[:-padlen]
return data