Create a temporary directory and store its path in self.path

def create(self):
        """Create a temporary directory and store its path in self.path
        """
        if self.path is not None:
            logger.debug(
                "Skipped creation of temporary directory: {}".format(self.path)
            )
            return
        # We realpath here because some systems have their default tmpdir
        # symlinked to another directory.  This tends to confuse build
        # scripts, so we canonicalize the path by traversing potential
        # symlinks here.
        self.path = os.path.realpath(
            tempfile.mkdtemp(prefix="pip-{}-".format(self.kind))
        )
        self._register_finalizer()
        logger.debug("Created temporary directory: {}".format(self.path))