2025-02-17 12:52:22 +08:00

422 lines
13 KiB
Lua

local api, fn = vim.api, vim.fn
local Config = require("avante.config")
local Utils = require("avante.utils")
local DressingConfig = {
conceal_char = "*",
filetype = "DressingInput",
close_window = function() require("dressing.input").close() end,
}
local DressingState = { winid = nil, input_winid = nil, input_bufnr = nil }
---@class AvanteHandlerOptions: table<[string], string>
---@field on_start AvanteLLMStartCallback
---@field on_chunk AvanteLLMChunkCallback
---@field on_stop AvanteLLMStopCallback
---
---@class AvanteLLMMessage
---@field role "user" | "assistant"
---@field content string
---
---@class AvanteLLMToolResult
---@field tool_name string
---@field tool_use_id string
---@field content string
---@field is_error? boolean
---
---@class AvantePromptOptions: table<[string], string>
---@field system_prompt string
---@field messages AvanteLLMMessage[]
---@field image_paths? string[]
---@field tools? AvanteLLMTool[]
---@field tool_histories? AvanteLLMToolHistory[]
---
---@class AvanteGeminiMessage
---@field role "user"
---@field parts { text: string }[]
---
---@alias AvanteChatMessage AvanteClaudeMessage | OpenAIMessage | AvanteGeminiMessage
---
---@alias AvanteMessagesParser fun(opts: AvantePromptOptions): AvanteChatMessage[]
---
---@class AvanteCurlOutput: {url: string, proxy: string, insecure: boolean, body: table<string, any> | string, headers: table<string, string>, rawArgs: string[] | nil}
---@alias AvanteCurlArgsParser fun(opts: AvanteProvider | AvanteProviderFunctor | AvanteBedrockProviderFunctor, prompt_opts: AvantePromptOptions): AvanteCurlOutput
---
---@class ResponseParser
---@field on_start AvanteLLMStartCallback
---@field on_chunk AvanteLLMChunkCallback
---@field on_stop AvanteLLMStopCallback
---@alias AvanteResponseParser fun(ctx: any, data_stream: string, event_state: string, opts: ResponseParser): nil
---
---@class AvanteDefaultBaseProvider: table<string, any>
---@field endpoint? string
---@field model? string
---@field local? boolean
---@field proxy? string
---@field timeout? integer
---@field allow_insecure? boolean
---@field api_key_name? string
---@field _shellenv? string
---@field disable_tools? boolean
---
---@class AvanteSupportedProvider: AvanteDefaultBaseProvider
---@field __inherited_from? string
---@field temperature? number
---@field max_tokens? number
---@field reasoning_effort? string
---
---@class AvanteLLMUsage
---@field input_tokens number
---@field cache_creation_input_tokens number
---@field cache_read_input_tokens number
---@field output_tokens number
---
---@class AvanteLLMToolUse
---@field name string
---@field id string
---@field input_json string
---@field response_content? string
---
---@class AvanteLLMStartCallbackOptions
---@field usage? AvanteLLMUsage
---
---@class AvanteLLMStopCallbackOptions
---@field reason "complete" | "tool_use" | "error"
---@field error? string | table
---@field usage? AvanteLLMUsage
---@field tool_use_list? AvanteLLMToolUse[]
---
---@alias AvanteStreamParser fun(line: string, handler_opts: AvanteHandlerOptions): nil
---@alias AvanteLLMStartCallback fun(opts: AvanteLLMStartCallbackOptions): nil
---@alias AvanteLLMChunkCallback fun(chunk: string): any
---@alias AvanteLLMStopCallback fun(opts: AvanteLLMStopCallbackOptions): nil
---@alias AvanteLLMConfigHandler fun(opts: AvanteSupportedProvider): AvanteDefaultBaseProvider, table<string, any>
---
---@class AvanteProvider: AvanteSupportedProvider
---@field parse_response_data AvanteResponseParser
---@field parse_curl_args? AvanteCurlArgsParser
---@field parse_stream_data? AvanteStreamParser
---@field parse_api_key? fun(): string | nil
---
---@class AvanteProviderFunctor
---@field role_map table<"user" | "assistant", string>
---@field parse_messages AvanteMessagesParser
---@field parse_response AvanteResponseParser
---@field parse_curl_args AvanteCurlArgsParser
---@field setup fun(): nil
---@field has fun(): boolean
---@field api_key_name string
---@field tokenizer_id string | "gpt-4o"
---@field use_xml_format boolean
---@field model? string
---@field parse_api_key fun(): string | nil
---@field parse_stream_data? AvanteStreamParser
---@field on_error? fun(result: table<string, any>): nil
---
---@class AvanteBedrockProviderFunctor
---@field parse_response AvanteResponseParser
---@field parse_curl_args AvanteCurlArgsParser
---@field setup fun(): nil
---@field has fun(): boolean
---@field api_key_name string
---@field tokenizer_id string | "gpt-4o"
---@field use_xml_format boolean
---@field model? string
---@field parse_api_key fun(): string | nil
---@field parse_stream_data? AvanteStreamParser
---@field on_error? fun(result: table<string, any>): nil
---@field load_model_handler fun(): AvanteBedrockModelHandler
---@field build_bedrock_payload? fun(prompt_opts: AvantePromptOptions, body_opts: table<string, any>): table<string, any>
---
---@class avante.Providers
---@field openai AvanteProviderFunctor
---@field claude AvanteProviderFunctor
---@field copilot AvanteProviderFunctor
---@field azure AvanteProviderFunctor
---@field gemini AvanteProviderFunctor
---@field cohere AvanteProviderFunctor
---@field bedrock AvanteBedrockProviderFunctor
local M = {}
---@class EnvironmentHandler
local E = {}
---@private
---@type table<string, string>
E.cache = {}
---@param Opts AvanteSupportedProvider | AvanteProviderFunctor | AvanteBedrockProviderFunctor
---@return string | nil
E.parse_envvar = function(Opts)
local api_key_name = Opts.api_key_name
if api_key_name == nil then error("Requires api_key_name") end
local cache_key = type(api_key_name) == "table" and table.concat(api_key_name, "__") or api_key_name
if E.cache[cache_key] ~= nil then return E.cache[cache_key] end
local cmd = type(api_key_name) == "table" and api_key_name or api_key_name:match("^cmd:(.*)")
local value = nil
if cmd ~= nil then
-- NOTE: in case api_key_name is cmd, and users still set envvar
-- We will try to get envvar first
if Opts._shellenv ~= nil and Opts._shellenv ~= "" then
value = os.getenv(Opts._shellenv)
if value ~= nil then
E.cache[cache_key] = value
vim.g.avante_login = true
return value
end
end
if type(cmd) == "string" then cmd = vim.split(cmd, " ", { trimempty = true }) end
Utils.debug("running command:", cmd)
local exit_codes = { 0 }
local ok, job_or_err = pcall(vim.system, cmd, { text = true }, function(result)
Utils.debug("command result:", result)
local code = result.code
local stderr = result.stderr or ""
local stdout = result.stdout and vim.split(result.stdout, "\n") or {}
if vim.tbl_contains(exit_codes, code) then
value = stdout[1]
E.cache[cache_key] = value
vim.g.avante_login = true
else
Utils.error("Failed to get API key: (error code" .. code .. ")\n" .. stderr, { once = true, title = "Avante" })
end
end)
if not ok then
error("failed to run command: " .. cmd .. "\n" .. job_or_err)
return
end
else
value = os.getenv(api_key_name)
end
if value ~= nil then
E.cache[cache_key] = value
vim.g.avante_login = true
end
return value
end
--- initialize the environment variable for current neovim session.
--- This will only run once and spawn a UI for users to input the envvar.
---@param opts {refresh: boolean, provider: AvanteProviderFunctor | AvanteBedrockProviderFunctor}
---@private
E.setup = function(opts)
opts.provider.setup()
local var = opts.provider.api_key_name
if var == nil or var == "" then
vim.g.avante_login = true
return
end
-- check if var is a all caps string
if type(var) == "table" or var:match("^cmd:(.*)") then return end
local refresh = opts.refresh or false
---@param value string
---@return nil
local function on_confirm(value)
if value then
vim.fn.setenv(var, value)
vim.g.avante_login = true
else
if not opts.provider.has() then
Utils.warn("Failed to set " .. var .. ". Avante won't work as expected", { once = true })
end
end
end
local function mount_dressing_buffer()
vim.defer_fn(function()
-- only mount if given buffer is not of buftype ministarter, dashboard, alpha, qf
local exclude_filetypes = {
"NvimTree",
"Outline",
"help",
"dashboard",
"alpha",
"qf",
"ministarter",
"TelescopePrompt",
"gitcommit",
"gitrebase",
"DressingInput",
"noice",
}
if not vim.tbl_contains(exclude_filetypes, vim.bo.filetype) and not opts.provider.has() then
DressingState.winid = api.nvim_get_current_win()
vim.ui.input({ default = "", prompt = "Enter " .. var .. ": " }, on_confirm)
for _, winid in ipairs(api.nvim_list_wins()) do
local bufnr = api.nvim_win_get_buf(winid)
if vim.bo[bufnr].filetype == DressingConfig.filetype then
DressingState.input_winid = winid
DressingState.input_bufnr = bufnr
vim.wo[winid].conceallevel = 2
vim.wo[winid].concealcursor = "nvi"
break
end
end
local prompt_length = api.nvim_strwidth(fn.prompt_getprompt(DressingState.input_bufnr))
api.nvim_buf_call(
DressingState.input_bufnr,
function()
vim.cmd(string.format(
[[
syn region SecretValue start=/^/ms=s+%s end=/$/ contains=SecretChar
syn match SecretChar /./ contained conceal %s
]],
prompt_length,
"cchar=*"
))
end
)
end
end, 200)
end
if refresh then return mount_dressing_buffer() end
api.nvim_create_autocmd("User", {
pattern = E.REQUEST_LOGIN_PATTERN,
callback = mount_dressing_buffer,
})
end
E.REQUEST_LOGIN_PATTERN = "AvanteRequestLogin"
---@param provider AvanteDefaultBaseProvider
E.require_api_key = function(provider)
if provider["local"] ~= nil then
if provider["local"] then
vim.deprecate('"local" = true', "api_key_name = ''", "0.1.0", "avante.nvim")
else
vim.deprecate('"local" = false', "api_key_name", "0.1.0", "avante.nvim")
end
return not provider["local"]
end
return provider.api_key_name ~= nil and provider.api_key_name ~= ""
end
M.env = E
M = setmetatable(M, {
---@param t avante.Providers
---@param k Provider
__index = function(t, k)
---@type AvanteProviderFunctor | AvanteBedrockProviderFunctor
local Opts = M.get_config(k)
---@diagnostic disable: undefined-field,no-unknown,inject-field
if Config.vendors[k] ~= nil then
Opts.parse_response = Opts.parse_response_data
if Opts.__inherited_from ~= nil then
local BaseOpts = M.get_config(Opts.__inherited_from)
local ok, module = pcall(require, "avante.providers." .. Opts.__inherited_from)
if not ok then error("Failed to load provider: " .. Opts.__inherited_from) end
t[k] = vim.tbl_deep_extend("keep", Opts, BaseOpts, module)
else
t[k] = Opts
end
else
local ok, module = pcall(require, "avante.providers." .. k)
if not ok then error("Failed to load provider: " .. k) end
t[k] = vim.tbl_deep_extend("keep", Opts, module)
end
t[k].parse_api_key = function() return E.parse_envvar(t[k]) end
-- default to gpt-4o as tokenizer
if t[k].tokenizer_id == nil then t[k].tokenizer_id = "gpt-4o" end
if t[k].use_xml_format == nil then t[k].use_xml_format = false end
if t[k].has == nil then t[k].has = function() return E.parse_envvar(t[k]) ~= nil end end
if t[k].setup == nil then
local provider_conf = M.parse_config(t[k])
t[k].setup = function()
if E.require_api_key(provider_conf) then t[k].parse_api_key() end
require("avante.tokenizers").setup(t[k].tokenizer_id)
end
end
return t[k]
end,
})
M.setup = function()
vim.g.avante_login = false
---@type AvanteProviderFunctor | AvanteBedrockProviderFunctor
local provider = M[Config.provider]
local auto_suggestions_provider = M[Config.auto_suggestions_provider]
E.setup({ provider = provider })
if auto_suggestions_provider and auto_suggestions_provider ~= provider then
E.setup({ provider = auto_suggestions_provider })
end
end
---@param provider Provider
function M.refresh(provider)
require("avante.config").override({ provider = provider })
---@type AvanteProviderFunctor | AvanteBedrockProviderFunctor
local p = M[Config.provider]
E.setup({ provider = p, refresh = true })
Utils.info("Switch to provider: " .. provider, { once = true, title = "Avante" })
end
---@param opts AvanteProvider | AvanteSupportedProvider | AvanteProviderFunctor | AvanteBedrockProviderFunctor
---@return AvanteDefaultBaseProvider provider_opts
---@return table<string, any> request_body
M.parse_config = function(opts)
---@type AvanteDefaultBaseProvider
local provider_opts = {}
---@type table<string, any>
local request_body = {}
for key, value in pairs(opts) do
if vim.tbl_contains(Config.BASE_PROVIDER_KEYS, key) then
provider_opts[key] = value
else
request_body[key] = value
end
end
request_body = vim
.iter(request_body)
:filter(function(_, v) return type(v) ~= "function" end)
:fold({}, function(acc, k, v)
acc[k] = v
return acc
end)
return provider_opts, request_body
end
---@private
---@param provider Provider
---@return AvanteProviderFunctor | AvanteBedrockProviderFunctor
M.get_config = function(provider)
provider = provider or Config.provider
local cur = Config.get_provider(provider)
return type(cur) == "function" and cur() or cur
end
return M