Dag Sverre Seljebotn wrote:
> Then, for Python 3 compatability and nice logging of any binary data you
> are passed, you can switch to
>
> cdef inline object cb2str(char* bytebuf):
> if bytebuf == NULL:
> return u"None"
> else:
> try:
> return unicode(bytebuf, "iso-8859-1")
> except:
> # have some code to return a hex-formatted string instead,
> # as the char* doesn't contain latin data...
>
> And so on. The point is: Outputting a char* to a logfile is a
> potentially complex task with associated business logic. Stick it in a
> function.
To expand on that: For your purposes, outputting "None" is probably
wrong anyway. What happens if the client library passes a char*
containing the string "None"? How do you distinguish it?
I.e. something like this is probably better (cb means "charbuf" btw):
cdef inline object cbrepr(char* bytebuf):
if bytebuf == NULL:
return u'None'
else:
try:
return u'"%s"' % unicode(bytebuf, "iso-8859-1")
except:
return u'binary data:%s' % your_hex_dump_func(bytebuf)
(But now we're straying rather far from Cython and into general
programming...)
--
Dag Sverre
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