/* 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_; }