def getattr(self, w_obj, w_name):
# an optional shortcut for performance
w_type = self.type(w_obj)
w_descr = w_type.getattribute_if_not_from_object()
if w_descr is not None:
return self._handle_getattribute(w_descr, w_obj, w_name)
# fast path: XXX this is duplicating most of the logic
# from the default __getattribute__ and the getattr() method...
name = get_attribute_name(self, w_obj, w_name)
w_descr = w_type.lookup(name)
e = None
if w_descr is not None:
w_get = None
is_data = self.is_data_descr(w_descr)
if is_data:
w_get = self.lookup(w_descr, "__get__")
if w_get is None:
w_value = w_obj.getdictvalue(self, name)
if w_value is not None:
return w_value
if not is_data:
w_get = self.lookup(w_descr, "__get__")
typ = type(w_descr)
if typ is Function or typ is FunctionWithFixedCode:
# This shortcut is necessary if w_obj is None. Otherwise e.g.
# None.__eq__ would return an unbound function because calling
# __get__ with None as the first argument returns the attribute
# as if it was accessed through the owner (type(None).__eq__).
return Method(self, w_descr, w_obj)
if w_get is not None:
# __get__ is allowed to raise an AttributeError to trigger
# use of __getattr__.
try:
return self.get_and_call_function(w_get, w_descr, w_obj,
w_type)
except OperationError as e:
if not e.match(self, self.w_AttributeError):
raise
else:
return w_descr
else:
w_value = w_obj.getdictvalue(self, name)
if w_value is not None:
return w_value
w_descr = self.lookup(w_obj, '__getattr__')
if w_descr is not None:
return self.get_and_call_function(w_descr, w_obj, w_name)
elif e is not None:
raise e
else:
raiseattrerror(self, w_obj, w_name)
def getattr(self, w_obj, w_name):
# an optional shortcut for performance
w_type = self.type(w_obj)
w_descr = w_type.getattribute_if_not_from_object()
if w_descr is not None:
return self._handle_getattribute(w_descr, w_obj, w_name)
# fast path: XXX this is duplicating most of the logic
# from the default __getattribute__ and the getattr() method...
name = self.text_w(w_name)
w_descr = w_type.lookup(name)
e = None
if w_descr is not None:
w_get = None
is_data = self.is_data_descr(w_descr)
if is_data:
w_get = self.lookup(w_descr, "__get__")
if w_get is None:
w_value = w_obj.getdictvalue(self, name)
if w_value is not None:
return w_value
if not is_data:
w_get = self.lookup(w_descr, "__get__")
if w_get is not None:
# __get__ is allowed to raise an AttributeError to trigger
# use of __getattr__.
try:
return self.get_and_call_function(w_get, w_descr, w_obj,
w_type)
except OperationError as e:
if not e.match(self, self.w_AttributeError):
raise
else:
return w_descr
else:
w_value = w_obj.getdictvalue(self, name)
if w_value is not None:
return w_value
w_descr = self.lookup(w_obj, '__getattr__')
if w_descr is not None:
return self.get_and_call_function(w_descr, w_obj, w_name)
elif e is not None:
raise e
else:
raiseattrerror(self, w_obj, name)
def getattr(self, w_obj, w_name):
# an optional shortcut for performance
w_type = self.type(w_obj)
w_descr = w_type.getattribute_if_not_from_object()
if w_descr is not None:
return self._handle_getattribute(w_descr, w_obj, w_name)
# fast path: XXX this is duplicating most of the logic
# from the default __getattribute__ and the getattr() method...
name = self.str_w(w_name)
w_descr = w_type.lookup(name)
e = None
if w_descr is not None:
w_get = None
is_data = self.is_data_descr(w_descr)
if is_data:
w_get = self.lookup(w_descr, "__get__")
if w_get is None:
w_value = w_obj.getdictvalue(self, name)
if w_value is not None:
return w_value
if not is_data:
w_get = self.lookup(w_descr, "__get__")
if w_get is not None:
# __get__ is allowed to raise an AttributeError to trigger
# use of __getattr__.
try:
return self.get_and_call_function(w_get, w_descr, w_obj, w_type)
except OperationError as e:
if not e.match(self, self.w_AttributeError):
raise
else:
return w_descr
else:
w_value = w_obj.getdictvalue(self, name)
if w_value is not None:
return w_value
w_descr = self.lookup(w_obj, "__getattr__")
if w_descr is not None:
return self.get_and_call_function(w_descr, w_obj, w_name)
elif e is not None:
raise e
else:
raiseattrerror(self, w_obj, name)
if not e.match(self, self.w_AttributeError):
raise
else:
return w_descr
else:
w_value = w_obj.getdictvalue(self, name)
if w_value is not None:
return w_value
w_descr = self.lookup(w_obj, '__getattr__')
if w_descr is not None:
return self.get_and_call_function(w_descr, w_obj, w_name)
elif e is not None:
raise e
else:
raiseattrerror(self, w_obj, name)
def finditem_str(self, w_obj, key):
""" Perform a getitem on w_obj with key (string). Returns found
element or None on element not found.
performance shortcut to avoid creating the OperationError(KeyError)
and allocating W_BytesObject
"""
if (isinstance(w_obj, W_DictMultiObject) and
not w_obj.user_overridden_class):
return w_obj.getitem_str(key)
return ObjSpace.finditem_str(self, w_obj, key)
def finditem(self, w_obj, w_key):
""" Perform a getitem on w_obj with w_key (any object). Returns found
return self.get(w_descr, w_obj)
except OperationError, e:
if not e.match(self, self.w_AttributeError):
raise
else:
w_value = w_obj.getdictvalue(self, w_name)
if w_value is not None:
return w_value
w_descr = self.lookup(w_obj, '__getattr__')
if w_descr is not None:
return self.get_and_call_function(w_descr, w_obj, w_name)
elif e is not None:
raise e
else:
raiseattrerror(self, w_obj, name)
def finditem(self, w_obj, w_key):
# performance shortcut to avoid creating the OperationError(KeyError)
if type(w_obj) is self.DictObjectCls:
return w_obj.get(w_key, None)
return ObjSpace.finditem(self, w_obj, w_key)
def set_str_keyed_item(self, w_obj, w_key, w_value, shadows_type=True):
# performance shortcut to avoid creating the OperationError(KeyError)
if type(w_obj) is self.DictObjectCls:
w_obj.set_str_keyed_item(w_key, w_value, shadows_type)
else:
self.setitem(w_obj, w_key, w_value)
def getindex_w(self, w_obj, w_exception, objdescr=None):