Given a string or unicode instance, produce a new URL instance.
The given string is parsed according to the rfc1738 spec. If an existing URL object is passed, just returns the object.
Represent the components of a URL used to connect to a database.
This object is suitable to be passed directly to a create_engine() call. The fields of the URL are parsed from a string by the module-level make_url() function. the string format of the URL is an RFC-1738-style string.
Attributes on URL include:
Translate this URL's attributes into a dictionary of connection arguments.
Given a list of argument names corresponding to the URL attributes (host, database, username, password, port), will assemble the attribute values of this URL into the dictionary using the given names.