Lukas Lueg <[email protected]> added the comment:
This is true for all objects whose input could be concatenated.
For example with hashlib:
data = ['foobar']*100000
mdX = hashlib.sha1()
for d in data:
mdX.update(d)
mdY = hashlib.sha1()
mdY.update("".join(data))
mdX.digest() == mdY.digest()
the second version is multiple times faster...
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nosy: +ebfe
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Python tracker <[email protected]>
<http://bugs.python.org/issue1501108>
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