Determine size of string in bytes

castironpi at gmail.com castironpi at gmail.com
Thu Mar 27 22:45:10 CET 2008


On Mar 27, 4:10 pm, John Machin <sjmac... at lexicon.net> wrote:
> On Mar 28, 6:45 am, breal <hacker.steven... at gmail.com> wrote:
>
> > Forgive me for this question which is most likely stupid...
>
> The contents of your question are not stupid. The subject however does
> invite a stupid answer like: len(the_string).
>
> Disclaimer: I know nothing about SOAP except that it's usually
> capitalised :-) Now read on:
>
> > How do I determine the number of bytes a string takes up?  I have a
> > soap server that is returning a serialized string.
>
> Serialised how? UTF-8?
>
> >  It seems that when
> > the string goes over 65978 characters it does not return to the soap
> > client.
>
> Why does it seem so? How did you arrive at such a precise limit?
>
> >  Instead I get an error:
> > error: (35, 'Resource temporarily unavailable')
>
> Is this error from the client or the server? Any error or logfile
> record from the other side?
>
> Is there anything in the documentation about maximum sizes?
>
>
>
> > This makes me think the problem exists on the soap client side with
> > some sort of max return length.
>
> Think? Can't you verify this by inspecting the source?
>
> > If I knew how many bytes the 65978
> > character string was, then I could try to up this value.
>
> How do you know the string is 65978 characters? If you are debugging
> the server, can't you do len(serialise(the_65978_char_string))?
>
> 65978? Are you sure? Looks suspiciously close to 65535 aka 0xFFFF aka
> (2 ** 16 - 1 ) to me.
>
> If you have the server, you presumably have the source code for both
> client and server. Some options for you:
>
> (1) Look at the traceback(s), look at the source code, nut it out for
> yourself. If there is some kind of max other than an implicit 16-bit
> limitation in the client code, it shouldn't be too hard to find.
>
> (2) Post the traceback(s) here, along with other details that might be
> useful, like what SOAP server s/w you are using, what version of
> Python, what platform.

I'm dying to find out.



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