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feat: add support for Azure OpenAI deployment #293

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merged 2 commits into from
Oct 10, 2023
Merged

feat: add support for Azure OpenAI deployment #293

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c02c38c
feat: add support for Azure OpenAI deployment
jackyu1996 Sep 29, 2023
33d2a28
fix: fix stylua compliance
jackyu1996 Oct 2, 2023
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7 changes: 7 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,13 @@ Custom OpenAI API host with the configuration option `api_host_cmd` or
environment variable called `$OPENAI_API_HOST`. It's useful if you can't access
OpenAI directly

For Azure deployments, you also need to set environment variables
`$OPENAI_API_TYPE` to `azure`, `$OPENAI_API_BASE` to your own resource URL,
e.g. `https://{your-resource-name}.openai.azure.com`, and `$OPENAI_API_AZURE_ENGINE`
to your deployment ID. Optionally, if you need a different API version,
set `$OPENAI_API_AZURE_VERSION` as well. Note that edit models have been deprecated
so they might not work.

```lua
-- Packer
use({
Expand Down
37 changes: 35 additions & 2 deletions lua/chatgpt/api.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,7 @@ function Api.chat_completions(custom_params, cb, should_stop)
"-H",
"Content-Type: application/json",
"-H",
"Authorization: Bearer " .. Api.OPENAI_API_KEY,
Api.AUTHORIZATION_HEADER,
"-d",
vim.json.encode(params),
},
Expand Down Expand Up @@ -103,7 +103,7 @@ function Api.make_call(url, params, cb)
"-H",
"Content-Type: application/json",
"-H",
"Authorization: Bearer " .. Api.OPENAI_API_KEY,
Api.AUTHORIZATION_HEADER,
"-d",
"@" .. TMP_MSG_FILENAME,
},
Expand Down Expand Up @@ -222,6 +222,31 @@ local function loadApiKey(envName, configName, optionName, callback, defaultValu
end
end

local function loadAzureConfigs()
loadApiKey("OPENAI_API_BASE", "OPENAI_API_BASE", "azure_api_base_cmd", function(value)
Api.OPENAI_API_BASE = value
end)
loadApiKey("OPENAI_API_AZURE_ENGINE", "OPENAI_API_AZURE_ENGINE", "azure_api_engine_cmd", function(value)
Api.OPENAI_API_AZURE_ENGINE = value
end)
loadApiHost("OPENAI_API_AZURE_VERSION", "OPENAI_API_AZURE_VERSION", "azure_api_version_cmd", function(value)
Api.OPENAI_API_AZURE_VERSION = value
end, "2023-05-15")

if Api["OPENAI_API_BASE"] and Api["OPENAI_API_AZURE_ENGINE"] then
Api.COMPLETIONS_URL = Api.OPENAI_API_BASE
.. "/openai/deployments/"
.. Api.OPENAI_API_AZURE_ENGINE
.. "/completions?api-version="
.. Api.OPENAI_API_AZURE_VERSION
Api.CHAT_COMPLETIONS_URL = Api.OPENAI_API_BASE
.. "/openai/deployments/"
.. Api.OPENAI_API_AZURE_ENGINE
.. "/chat/completions?api-version="
.. Api.OPENAI_API_AZURE_VERSION
end
end

function Api.setup()
loadApiHost("OPENAI_API_HOST", "OPENAI_API_HOST", "api_host_cmd", function(value)
Api.OPENAI_API_HOST = value
Expand All @@ -233,6 +258,14 @@ function Api.setup()
loadApiKey("OPENAI_API_KEY", "OPENAI_API_KEY", "api_key_cmd", function(value)
Api.OPENAI_API_KEY = value
end)

loadConfigFromEnv("OPENAI_API_TYPE", "OPENAI_API_TYPE")
if Api["OPENAI_API_TYPE"] == "azure" then
loadAzureConfigs()
Api.AUTHORIZATION_HEADER = "api-key: " .. Api.OPENAI_API_KEY
else
Api.AUTHORIZATION_HEADER = "Authorization: Bearer " .. Api.OPENAI_API_KEY
end
end

function Api.exec(cmd, args, on_stdout_chunk, on_complete, should_stop, on_stop)
Expand Down