Method set

src/_pytest/cacheprovider.py:165–194

Save value for the given key. :param key: Must be a ``/`` separated value. Usually the first name is the name of your plugin or your application. :param value: Must be of any combination of basic python types, including nested types li

(self, key: str, value: object)

            return default

    def set(self, key: str, value: object) -> None:
        """Save value for the given key.

        :param key:
            Must be a ``/`` separated value. Usually the first
            name is the name of your plugin or your application.
        :param value:
            Must be of any combination of basic python types,
            including nested types like lists of dictionaries.
        """
        path = self._getvaluepath(key)
        try:
            if path.parent.is_dir():
                cache_dir_exists_already = True
            else:
                cache_dir_exists_already = self._cachedir.exists()
                path.parent.mkdir(exist_ok=True, parents=True)
        except OSError:
            self.warn("could not create cache path {path}", path=path, _ispytest=True)
            return
        if not cache_dir_exists_already:
            self._ensure_supporting_files()
        data = json.dumps(value, indent=2)
        try:
            f = path.open("w")
        except OSError:
            self.warn("cache could not write path {path}", path=path, _ispytest=True)
        else:
            with f:
                f.write(data)

    def _ensure_supporting_files(self) -> None:
        """Create supporting files in the cache dir that are not really part of the cache."""