Synchronously reads the value of a single key.

>>> store = ts.KvStore.open({'driver': 'memory'}).result()
>>> store[b'a'] = b'value'
>>> store[b'a']
b'value'
>>> store[b'b']
Traceback (most recent call last):
    ...
KeyError...

Parameters:¶

key: str¶

The key to read. This is appended (without any separator) to the existing path, if any.

Returns:¶

The value associated with key on success.

Raises:¶

• KeyError – If key is not found.

• Exception – If an I/O error occurs.