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amodem-cli: fix compression logic

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Roman Zeyde
2015-01-16 11:32:15 +02:00
parent fe1714a0bc
commit 2727ff014a
1 changed files with 12 additions and 7 deletions
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amodem-cli
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@@ -34,13 +34,18 @@ class Compressor(object):
self.stream = stream self.stream = stream
def read(self, size): def read(self, size):
data = self.stream.read(size) while True:
if data: data = self.stream.read(size)
data = self.obj.compress(data) if data:
elif self.obj: result = self.obj.compress(data)
data = self.obj.flush() if not result: # compression is too good :)
self.obj = None continue # try again (since falsy data = EOF)
return data elif self.obj:
result = self.obj.flush()
self.obj = None
else:
result = '' # EOF marker
return result
class Decompressor(object): class Decompressor(object):