Lars Gustäbel added the comment:
Why overcomplicate things?
import io, tarfile
with tarfile.open("foo.tar", mode="w") as tar:
b = "hello world!".encode("utf-8")
t = tarfile.TarInfo("helloworld.txt")
t.size = len(b) # this is crucial
tar.addfile(t, io.BytesIO(b))
My answer to issue10369 was never supposed to be used as a reference on how to
add file-like objects to a TarFile. I posted it as a simpler but equivalent
version of the code of the original poster, which is why it looks "hackish".
I think the documentation on TarFile.gettarinfo() is rather clear on how to use
it (i.e. that it needs a file object with a valid file descriptor). Also, I
think that the code above is intuitive and simple.
----------
assignee: -> lars.gustaebel
priority: normal -> low
type: -> behavior
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue22208>
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