dirdbm.py 文件源码

def __getitem__(self, k):
        """
        C{dirdbm[k]}
        Get the contents of a file in this directory as a string.

        @type k: str
        @param k: key to lookup

        @return: The value associated with C{k}
        @raise KeyError: Raised when there is no such key
        """
        assert type(k) == types.StringType, AssertionError("DirDBM key must be a string")
        path = os.path.join(self.dname, self._encode(k))
        try:
            return self._readFile(path)
        except:
            raise KeyError, k