[PATCH 04/14] pytdb: Introduce PyTdb_ARGS_AS_TDBDATA helper

[Jelmer Vernooij]

On Sat, 2010-10-02 at 17:43 +0400, Kirill Smelkov wrote:
> To parse `PyObject *args` into one TDBDATA.
> 
> This already reduces boilerplate code, but will help more in the next
> patch, where there will be several fuctions (chainlock_*) which takes
> key as the only argument.
If it's really all that useful to save those few lines of code, please
simply specify that those methods receive only a single object (METH_O
IIRC) to avoid the PyArg_ParseTuple call.

Personally I'm not a big fan of macros that have side-effects, like this
one (which returns).

Cheers,

Jelmer
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