/*
def adapter_hook(self, provided, object, name=u'', default=None):
required = providedBy(object)
cache = self._getcache(provided, name)
factory = cache.get(required, _not_in_mapping)
if factory is _not_in_mapping:
factory = self.lookup((required, ), provided, name)
if factory is not None:
result = factory(object)
if result is not None:
return result
return default
*/
static PyObject *
_adapter_hook(lookup *self,
PyObject *provided, PyObject *object, PyObject *name,
PyObject *default_)
{
PyObject *required, *factory, *result;
required = providedBy(NULL, object);
if (required == NULL)
return NULL;
factory = _lookup1(self, required, provided, name, Py_None);
Py_DECREF(required);
if (factory == NULL)
return NULL;
if (factory != Py_None)
{
result = PyObject_CallFunctionObjArgs(factory, object, NULL);
Py_DECREF(factory);
if (result == NULL || result != Py_None)
return result;
}
else
result = factory; /* None */
if (default_ == NULL || default_ == result) /* No default specified, */
return result; /* Return None. result is owned None */
Py_DECREF(result);
Py_INCREF(default_);
return default_;
}
static PyObject *
lookup_lookup1(lookup *self, PyObject *args, PyObject *kwds)
{
static char *kwlist[] = {"required", "provided", "name", "default", NULL};
PyObject *required, *provided, *name=NULL, *default_=NULL;
if (! PyArg_ParseTupleAndKeywords(args, kwds, "OO|OO", kwlist,
&required, &provided, &name, &default_))
return NULL;
return _lookup1(self, required, provided, name, default_);
}
/*
def adapter_hook(self, provided, object, name=u'', default=None):
required = providedBy(object)
cache = self._getcache(provided, name)
factory = cache.get(required, _not_in_mapping)
if factory is _not_in_mapping:
factory = self.lookup((required, ), provided, name)
if factory is not None:
result = factory(object)
if result is not None:
return result
return default
*/
static PyObject *
_adapter_hook(lookup *self,
PyObject *provided, PyObject *object, PyObject *name,
PyObject *default_)
{
PyObject *required, *factory, *result;
#ifdef PY3K
if ( name && !PyUnicode_Check(name) )
#else
if ( name && !PyString_Check(name) && !PyUnicode_Check(name) )
#endif
{
PyErr_SetString(PyExc_ValueError,
"name is not a string or unicode");
return NULL;
}
required = providedBy(NULL, object);
if (required == NULL)
return NULL;
factory = _lookup1(self, required, provided, name, Py_None);
Py_DECREF(required);
if (factory == NULL)
return NULL;
if (factory != Py_None)
{
result = PyObject_CallFunctionObjArgs(factory, object, NULL);
Py_DECREF(factory);
if (result == NULL || result != Py_None)
return result;
}
else
result = factory; /* None */
if (default_ == NULL || default_ == result) /* No default specified, */
return result; /* Return None. result is owned None */
Py_DECREF(result);
Py_INCREF(default_);
return default_;
}
