fix ecc indentation

This commit is contained in:
Roman Zeyde
2014-07-19 15:56:25 +03:00
parent 067cbf8428
commit c103460e05

8
ecc.py
View File

@@ -10,6 +10,7 @@ BLOCK_SIZE = 255
LEN_FMT = '<I'
def encode(data, nsym=DEFAULT_NSYM):
log.debug('Encoded {} bytes'.format(len(data)))
data = bytearray(struct.pack(LEN_FMT, len(data)) + data)
@@ -24,6 +25,7 @@ def encode(data, nsym=DEFAULT_NSYM):
return enc
def decode(data, nsym=DEFAULT_NSYM):
data = bytearray(data)
dec = bytearray()
@@ -31,7 +33,8 @@ def decode(data, nsym=DEFAULT_NSYM):
chunk = data[i:i+BLOCK_SIZE]
try:
dec.extend(rs_correct_msg(chunk, nsym))
log.debug('Decoded %d blocks = %d bytes', (i+1) / BLOCK_SIZE, len(dec))
log.debug('Decoded %d blocks = %d bytes',
(i+1) / BLOCK_SIZE, len(dec))
except ReedSolomonError as e:
log.debug('Decoding stopped: %s', e)
break
@@ -41,7 +44,8 @@ def decode(data, nsym=DEFAULT_NSYM):
overhead = (i - len(dec)) / float(i)
blocks = i / BLOCK_SIZE
log.debug('Decoded %d blocks = %d bytes (ECC overhead %.1f%%)', blocks, len(dec), overhead * 100)
log.debug('Decoded %d blocks = %d bytes (ECC overhead %.1f%%)',
blocks, len(dec), overhead * 100)
n = struct.calcsize(LEN_FMT)
payload, length = dec[n:], dec[:n]