Terry J. Reedy <[email protected]> added the comment:
It is possible that only a fixed-size buffer is needed. If so, use of an
alternate read mechanism could be conditioned on the underlying file(like)
object not having seek.
It is also possible to direct a stream to a temporary file, but I think having
the user do so explicitly is better so there are no surprises and so that the
user has file reference for any further work.
Or their could be a context manager class for creating temp files from streams
(or urls specifically) and deleting when done. One could then write
with TempStreamFile(urlopen('xxx') as f:
for line in Gzipfile(fileobj=f):
----------
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<http://bugs.python.org/issue9664>
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