我们从Python开源项目中，提取了以下50个代码示例，用于说明如何使用werkzeug._internal._missing()。
def pop(self, key, default=_missing): """Pop the first item for a list on the dict. Afterwards the key is removed from the dict, so additional values are discarded: >>> d = MultiDict({"foo": [1, 2, 3]}) >>> d.pop("foo") 1 >>> "foo" in d False :param key: the key to pop. :param default: if provided the value to return if the key was not in the dictionary. """ try: return dict.pop(self, key)[0] except KeyError as e: if default is not _missing: return default raise exceptions.BadRequestKeyError(str(e))
def pop(self, key=None, default=_missing): """Removes and returns a key or index. :param key: The key to be popped. If this is an integer the item at that position is removed, if it's a string the value for that key is. If the key is omitted or `None` the last item is removed. :return: an item. """ if key is None: return self._list.pop() if isinstance(key, integer_types): return self._list.pop(key) try: rv = self[key] self.remove(key) except KeyError: if default is not _missing: return default raise return rv
def pop(self, key, default=_missing): """Pop the first item for a list on the dict. Afterwards the key is removed from the dict, so additional values are discarded: >>> d = MultiDict({"foo": [1, 2, 3]}) >>> d.pop("foo") 1 >>> "foo" in d False :param key: the key to pop. :param default: if provided the value to return if the key was not in the dictionary. """ try: lst = dict.pop(self, key) if len(lst) == 0: raise exceptions.BadRequestKeyError() return lst[0] except KeyError as e: if default is not _missing: return default raise exceptions.BadRequestKeyError(str(e))
