Method delitem

src/_pytest/monkeypatch.py:294–306

Delete ``name`` from dict. Raises ``KeyError`` if it doesn't exist, unless ``raising`` is set to False.

(self, dic: Mapping[K, V], name: K, raising: bool = True)

        dic[name] = value  # type: ignore[index]

    def delitem(self, dic: Mapping[K, V], name: K, raising: bool = True) -> None:
        """Delete ``name`` from dict.

        Raises ``KeyError`` if it doesn't exist, unless ``raising`` is set to
        False.
        """
        if name not in dic:
            if raising:
                raise KeyError(name)
        else:
            self._setitem.append((dic, name, dic.get(name, NOTSET)))
            # Not all Mapping types support indexing, but MutableMapping doesn't support TypedDict
            del dic[name]  # type: ignore[attr-defined]

    def setenv(self, name: str, value: str, prepend: str | None = None) -> None:
        """Set environment variable ``name`` to ``value``.