Parse port from base url

[jonburdo]

Is your feature request related to a problem? Please describe.

I would like to be able to pass the base url for the server including the port as a single string. This is helpful if I have this string in a variable and want to pass it through rather than splitting it apart to separate the port.

Instead of having to specify the port separately

registry = ModelRegistry(
    server_address="http://localhost",
    port=9000,
    is_secure=False
)

I would like to be able to include it in the url

registry = ModelRegistry(
    server_address="http://localhost:9000",
    is_secure=False
)

Describe the solution you'd like

The two examples above should be treated the same.

If the port kwarg is specified and a port is given in server_address at the same time this should probably cause an error.

Describe alternatives you've considered

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Additional context

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[osamaahmed17]

/assign