[Rpm-maint] [PATCH 10/15] Port tagNumFromPyObject on Python 3 to use unicode objects

[James Antill]

On Thu, 2009-10-15 at 15:15 -0400, David Malcolm wrote:
> Preserve the string-based API to headers:
>    h['name']
> by expecting a PyUnicode on Python 3, and a PyString on Python 2.
> ---
>  python/header-py.c |    7 +++++++
>  1 files changed, 7 insertions(+), 0 deletions(-)
> 
> diff --git a/python/header-py.c b/python/header-py.c
> index 98cd753..f3454df 100644
> --- a/python/header-py.c
> +++ b/python/header-py.c
> @@ -421,8 +421,15 @@ int tagNumFromPyObject (PyObject *item, rpmTag *tagp)
>      if (PyInt_Check(item)) {
>  	/* XXX we should probably validate tag numbers too */
>  	tag = PyInt_AsLong(item);
> +#if PY_MAJOR_VERSION >= 3
> +    } else if (PyUnicode_Check(item)) {
> +	PyObject *utf8_bytes = PyUnicode_AsUTF8String(item);
> +	tag = rpmTagGetValue(PyBytes_AsString(utf8_bytes));
> +	Py_XDECREF(utf8_bytes);
> +#else

 There's no reason for ifdef here, as it isn't a bug if:

ipkg.hdr[u'name']

...works in 2.* ... dito. hdr[b'name'] working in 3.*.