Hi,
having issues with cython/python3 I found the thread
http://www.mail-archive.com/[email protected]/msg02346.html
Actually, I have the same problem:
As *all* strings in cython code get converted to bytes, nothing works out.
I my case I have a c function like:
void foo(char *)
cdef c_foo "foo"(char *)
cdef class A:
def __init__(self,arg0):
c_foo(arg0)
calling from python with
x = A('test')
in python the argument 'test' is of type str, cython expects the
argument for c_foo to be of type bytes as char * is mapped to bytes.
Now, as I do not want to change all calls to all functions which take
str arguments, I tried to convert 'test' from str to bytes.
arg0 = arg0.encode("ascii")
Result:
TypeError: encode() argument 1 must be string, not bytes.
Even worse:
if isinstance(arg0, str):
actually checks if arg0 is of type bytes ...
Thats really bad, you can neither create nor recognize or convert
python3 str's in cython.
Maybe mapping "char *" to PyString_Type as a default for all internal
strings, and "unsigned char *" to PyBytes_Type?
Any other suggestions?
MfG
Markus
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