Peter Otten <__pete...@web.de> wrote:
> Ulli Horlacher wrote:
>
> > if u.getcode() == 200:
> > print(u.read(),file=szo,end='')
> > szo.close()
> > else:
> > die('cannot get %s - server reply: %d' % (szurl,u.getcode()))
>
> More random remarks:
Always welcome - I am here to learn :-)
> - print() gives the impression that you are dealing with text, and using it
> with binary strings will produce surprising results when you migrate to
> Python 3:
>
> Python 2:
>
> >>> from __future__ import print_function
I already have this in my code, to make a later transition to Python 3
easier.
> >>> print(b"foo")
> foo
>
> Python 3:
>
> >>> print(b"foo")
> b'foo'
Bad.
Is there a better alternative to write arbitrary binary data?
> - with open(...) ensures that the file is closed when an exception occurs.
> It doesn't matter here as your script is going to die() anyway, but using
> with is a got habit to get into.
When an error occurs I do want to write more data, anyway.
> - consider shutil.copyfileobj to limit memory usage when dealing with data
> of arbitrary size.
>
> Putting it together:
>
> with open(sz, "wb") as szo:
> shutil.copyfileobj(u, szo)
This writes the http stream binary to the file. without handling it
manually chunk by chunk?
Great. This would be my next task! You are answering my questions, before
I ask them! :-)
Background: I am rewriting my Perl program fexsend in Python.
fexsend transfers files up to TB range, see:
http://fex.rus.uni-stuttgart.de/
--
Ullrich Horlacher Server und Virtualisierung
Rechenzentrum IZUS/TIK E-Mail: horlac...@tik.uni-stuttgart.de
Universitaet Stuttgart Tel: ++49-711-68565868
Allmandring 30a Fax: ++49-711-682357
70550 Stuttgart (Germany) WWW: http://www.tik.uni-stuttgart.de/
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