def engine_from_config(configuration, prefix='sqlalchemy.', **kwargs):
"""Create a new Engine instance using a configuration dictionary.
- The dictionary is typically produced from a config file where keys
- are prefixed, such as sqlalchemy.url, sqlalchemy.echo, etc. The
- 'prefix' argument indicates the prefix to be searched for.
+ The *configuration* dictionary is typically produced from a config file
+ in which keys are prefixed, e.g. sqlalchemy.url, sqlalchemy.echo, etc.
+ The 'prefix' argument indicates the prefix to be searched for.
A select set of keyword arguments will be "coerced" to their
expected type based on string values. The set of arguments