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Added Optional Endpoints #26

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Sep 13, 2024
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2 changes: 1 addition & 1 deletion gleam.toml
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
name = "gloq"
version = "1.3.2"
version = "1.4.2"

# Fill out these fields if you intend to generate HTML documentation or publish
# your project to the Hex package manager.
Expand Down
171 changes: 158 additions & 13 deletions src/gloq.gleam
Original file line number Diff line number Diff line change
Expand Up @@ -2,27 +2,61 @@ import gleam/hackney
import gleam/http
import gleam/http/request
import gleam/json
import gleam/option.{type Option, None, Some}

pub type GroqRequestBuilder {
GroqRequestBuilder(key: String, user: String, context: String, model: String)
GroqRequestBuilder(
key: String,
user: String,
context: String,
model: String,
frequency_penalty: Option(Float),
logprobs: Option(Bool),
max_tokens: Option(Int),
n: Option(Int),
parallel_tool_calls: Option(Bool),
presence_penalty: Option(Float),
seed: Option(Int),
stop: Option(String),
stream: Option(Bool),
temperature: Option(Float),
top_p: Option(Float),
)
}

/// Creates a new GroqRequestBuilder with default model and user values.
/// Uses the default model `llama3-8b-8192` and user role `user`.
pub fn default_groq_request() -> GroqRequestBuilder {
GroqRequestBuilder(
key: "",
user: "user",
context: "",
model: "llama3-8b-8192",
frequency_penalty: Some(0.0),
logprobs: Some(False),
max_tokens: None,
n: Some(1),
parallel_tool_calls: Some(True),
presence_penalty: Some(0.0),
seed: None,
stop: None,
stream: Some(False),
temperature: Some(1.0),
top_p: Some(1.0),
)
}

/// Create a new GroqRequestBuilder with no default values.
pub fn new_groq_request() -> GroqRequestBuilder {
GroqRequestBuilder(key: "", user: "", context: "", model: "")
GroqRequestBuilder(
..default_groq_request(),
key: "",
user: "",
context: "",
model: "",
)
}

/// Enum of all models available for the GroqRequestBuilder.
/// Sets the API key for the GroqRequestBuilder.
pub fn with_key(builder: GroqRequestBuilder, key: String) -> GroqRequestBuilder {
GroqRequestBuilder(..builder, key: key)
Expand Down Expand Up @@ -52,6 +86,99 @@ pub fn with_model(
GroqRequestBuilder(..builder, model: model)
}

/// Number between -2.0 and 2.0. Positive values penalize new tokens based on their existing frequency
/// in the text so far, decreasing the model's likelihood to repeat the same line verbatim.
pub fn with_frequency_penalty(
builder: GroqRequestBuilder,
frequency_penalty: Float,
) -> GroqRequestBuilder {
GroqRequestBuilder(..builder, frequency_penalty: Some(frequency_penalty))
}

/// This is not yet supported by any of our models. Whether to return log probabilities of the output tokens or not.
/// If true, returns the log probabilities of each output token returned in the `content` of `message`.
pub fn with_logprobs(
builder: GroqRequestBuilder,
logprobs: Bool,
) -> GroqRequestBuilder {
GroqRequestBuilder(..builder, logprobs: Some(logprobs))
}

/// The maximum number of tokens that can be generated in the chat completion.
/// The total length of input tokens and generated tokens is limited by the model's context length.
pub fn with_max_tokens(
builder: GroqRequestBuilder,
max_tokens: Int,
) -> GroqRequestBuilder {
GroqRequestBuilder(..builder, max_tokens: Some(max_tokens))
}

/// How many chat completion choices to generate for each input message.
/// Note that the current moment, only n=1 is supported. Other values will result in a 400 response.
pub fn with_n(builder: GroqRequestBuilder, n: Int) -> GroqRequestBuilder {
GroqRequestBuilder(..builder, n: Some(n))
}

/// Whether to enable parallel function calling during tool use.
pub fn with_parallel_tool_calls(
builder: GroqRequestBuilder,
parallel_tool_calls: Bool,
) -> GroqRequestBuilder {
GroqRequestBuilder(..builder, parallel_tool_calls: Some(parallel_tool_calls))
}

/// Number between -2.0 and 2.0. Positive values penalize new tokens based on whether they
/// appear in the text so far, increasing the model's likelihood to talk about new topics.
pub fn with_presence_penalty(
builder: GroqRequestBuilder,
presence_penalty: Float,
) -> GroqRequestBuilder {
GroqRequestBuilder(..builder, presence_penalty: Some(presence_penalty))
}

/// If specified, our system will make a best effort to sample deterministically, such that
/// repeated requests with the same seed and parameters should return the same result.
/// Determinism is not guaranteed, and you should refer to the system_fingerprint response
/// parameter to monitor changes in the backend.
pub fn with_seed(builder: GroqRequestBuilder, seed: Int) -> GroqRequestBuilder {
GroqRequestBuilder(..builder, seed: Some(seed))
}

/// Up to 4 sequences where the API will stop generating further tokens. The returned text will not contain the stop sequence.
pub fn with_stop(
builder: GroqRequestBuilder,
stop: String,
) -> GroqRequestBuilder {
GroqRequestBuilder(..builder, stop: Some(stop))
}

/// If set, partial message deltas will be sent. Tokens will be sent as data-only server-sent events as they become available,
/// with the stream terminated by a data: [DONE] message.
pub fn with_stream(
builder: GroqRequestBuilder,
stream: Bool,
) -> GroqRequestBuilder {
GroqRequestBuilder(..builder, stream: Some(stream))
}

/// What sampling temperature to use, between 0 and 2. Higher values like 0.8 will make the output more random, while lower
/// values like 0.2 will make it more focused and deterministic. We generally recommend altering this or top_p but not both
pub fn with_temperature(
builder: GroqRequestBuilder,
temperature: Float,
) -> GroqRequestBuilder {
GroqRequestBuilder(..builder, temperature: Some(temperature))
}

/// An alternative to sampling with temperature, called nucleus sampling, where the model considers the results of the tokens with top_p probability mass.
/// So 0.1 means only the tokens comprising the top 10% probability mass are considered. We generally recommend altering this or temperature but not both.
pub fn with_top_p(
builder: GroqRequestBuilder,
top_p: Float,
) -> GroqRequestBuilder {
GroqRequestBuilder(..builder, top_p: Some(top_p))
}

/// Builds the request body for the GroqCloud API that can be sent using the appropriate HTTP client.
pub fn build(builder: GroqRequestBuilder) {
let body =
Expand All @@ -69,18 +196,36 @@ pub fn build(builder: GroqRequestBuilder) {
),
),
#("model", json.string(builder.model)),
#(
"frequency_penalty",
json.float(option.unwrap(builder.frequency_penalty, 0.0)),
),
#("logprobs", json.bool(option.unwrap(builder.logprobs, False))),
#("max_tokens", json.int(option.unwrap(builder.max_tokens, 8192))),
// 8192 is the largest accepted value for max_tokens accepted by the API
#("n", json.int(option.unwrap(builder.n, 1))),
#(
"parallel_tool_calls",
json.bool(option.unwrap(builder.parallel_tool_calls, True)),
),
#(
"presence_penalty",
json.float(option.unwrap(builder.presence_penalty, 0.0)),
),
#("seed", json.int(option.unwrap(builder.seed, 0))),
#("stop", json.string(option.unwrap(builder.stop, ""))),
#("stream", json.bool(option.unwrap(builder.stream, False))),
#("temperature", json.float(option.unwrap(builder.temperature, 1.0))),
#("top_p", json.float(option.unwrap(builder.top_p, 1.0))),
])

let request =
request.new()
|> request.set_method(http.Post)
|> request.set_host("api.groq.com")
|> request.set_path("/openai/v1/chat/completions")
|> request.set_header("Authorization", "Bearer " <> builder.key)
|> request.set_header("Content-Type", "application/json")
|> request.set_body(json.to_string(body))

request
request.new()
|> request.set_method(http.Post)
|> request.set_host("api.groq.com")
|> request.set_path("/openai/v1/chat/completions")
|> request.set_header("Authorization", "Bearer " <> builder.key)
|> request.set_header("Content-Type", "application/json")
|> request.set_body(json.to_string(body))
}

/// Sends the request to the GroqCloud API for chat completions.
Expand Down
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