Feature request: Ability to connect to Azure OpenAI

[svilupp]

Thank you for the package!

Currently, it's limited to OpenAI API v1 only (via preset BASE_URL_V1 in https://github.com/rory-linehan/OpenAI.jl/blob/226a4779dcda21c0ee9b41f255c821d94675227e/src/OpenAI.jl#L6).

It would be awesome if we could change the API provider and use Azure OpenAI etc. Similar to what you can do with Python OpenAI package.

There a user can change 3 parameters to be able to use Azure instead of OpenAI

openai.api_type = "azure"
openai.api_base = "https://example-endpoint.openai.azure.com"
openai.api_version = "2022-12-01"

openai.api_key = "..."

I could envision having some Provider types that a user could customize to connect to their own deployments, eg,

abstract type AbstractOpenAIProvider end
struct OpenAI <: AbstractOpenAIProvider
    api_key::String
    base_url::String
    api_version::String
end
struct Azure <: AbstractOpenAIProvider
    api_key::String
    base_url::String
    api_version::String
end

Technically, this could also circumvent the need to keep constantly providing an API key for each call (it rarely changes between calls).

I'm happy to open a PR to showcase what I'm thinking. Would you be interested in it?

On that note, would you be interested in Provider types (ala above) or rather defining a set of global constants for each parameter (ala BASE_URL_V1) that the users would have to override with @eval?

[roryl23]

I like the Azure integration idea, and Abstract types seems like a great idea for maintainability in the long term. If you want to submit a PR, be my guest! I'd be happy to help review, update tests, release, etc. to get your contribution released ASAP.

[svilupp]

Sounds good! I like ASAP.

I have something running locally, so let me open the PR tonight

[roryl23]

Merged and released 0.8.0 with these changes