Initial commit: coding-agent4915718a month ago1532 lines · 57.0 KB | 1 | use std::collections::HashMap; |
| 2 | use std::io::BufRead |
| 3 | use std::sync::atomic |
| 4 | use std::time::Duration |
| 5 | |
| 6 | use anyhow::{bail, |
| 7 | use hmac::{Hmac |
| 8 | use serde::{Deserialize |
| 9 | use serde_json::{json, |
| 10 | use sha2::{Digest |
| 11 | |
| 12 | use crate::db::StoredMessage |
| 13 | use crate::tools::ToolDef |
| 14 | |
| 15 | pub(crate) mod |
| 16 | use providers_data::PROVIDER_ROWS |
| 17 | |
| 18 | #[derive(Clone |
| 19 | pub enum ApiFormat |
| 20 | Compatible, |
| 21 | Anthropic, |
| 22 | Gemini, |
| 23 | Bedrock, |
| 24 | } |
| 25 | |
| 26 | #[derive(Clone |
| 27 | pub struct ProviderConfig |
| 28 | pub name: String |
| 29 | pub api_format: ApiFormat |
| 30 | pub base_url: String |
| 31 | pub api_key: Option |
| 32 | pub default_model: String |
| 33 | pub max_tokens: u32 |
| 34 | pub requires_key: bool |
| 35 | pub url_override: Option |
| 36 | pub azure_auth: bool |
| 37 | pub key_in_url: bool |
| 38 | pub aws_region: String |
| 39 | pub aws_secret_key: Option |
| 40 | pub aws_session_token: Option |
| 41 | } |
| 42 | |
| 43 | impl ProviderConfig { |
| 44 | fn with_format(mut |
| 45 | self.api_format = f |
| 46 | self |
| 47 | } |
| 48 | fn with_key_in_url(mut |
| 49 | self.key_in_url = true; |
| 50 | self |
| 51 | } |
| 52 | } |
| 53 | |
| 54 | #[derive(Clone |
| 55 | pub struct ToolCall |
| 56 | pub id: String |
| 57 | pub name: String |
| 58 | #[serde(default |
| 59 | pub arguments: Value |
| 60 | } |
| 61 | |
| 62 | pub struct LlmResponse |
| 63 | pub content: Option |
| 64 | pub tool_calls: Vec |
| 65 | } |
| 66 | |
| 67 | /// An image attached to a user message. `data_base64` holds the raw image |
| 68 | /// bytes (already base64-encoded) so every provider format can inline it. |
| 69 | #[derive(Clone |
| 70 | pub struct ImagePart |
| 71 | pub media_type: String |
| 72 | pub data_base64: String |
| 73 | } |
| 74 | |
| 75 | #[derive(Clone |
| 76 | pub struct LlmMessage |
| 77 | pub role: String |
| 78 | pub content: Option |
| 79 | pub tool_call_id: Option |
| 80 | pub name: Option |
| 81 | pub tool_calls: Vec |
| 82 | pub images: Vec |
| 83 | } |
| 84 | |
| 85 | impl From<StoredMessage |
| 86 | fn from(m: |
| 87 | let tool_calls = |
| 88 | .tool_calls |
| 89 | .as_deref() |
| 90 | .and_then(|s| |
| 91 | .unwrap_or_default(); |
| 92 | let images = |
| 93 | .images |
| 94 | .as_deref() |
| 95 | .and_then(|s| |
| 96 | .unwrap_or_default(); |
| 97 | LlmMessage { |
| 98 | role: m.role |
| 99 | content: m.content |
| 100 | tool_call_id: m.tool_call_id |
| 101 | name: m.name |
| 102 | tool_calls, |
| 103 | images, |
| 104 | } |
| 105 | } |
| 106 | } |
| 107 | |
| 108 | fn image_openai_parts(images: |
| 109 | images |
| 110 | .iter() |
| 111 | .map(|img| |
| 112 | json!({ |
| 113 | "type": "image_url", |
| 114 | "image_url": { |
| 115 | "url": format! |
| 116 | } |
| 117 | }) |
| 118 | }) |
| 119 | .collect() |
| 120 | } |
| 121 | |
| 122 | fn image_anthropic_block(img: |
| 123 | json!({ |
| 124 | "type": "image", |
| 125 | "source": { |
| 126 | "type": "base64", |
| 127 | "media_type": img. |
| 128 | "data": img. |
| 129 | } |
| 130 | }) |
| 131 | } |
| 132 | |
| 133 | fn image_gemini_part(img: |
| 134 | json!({ |
| 135 | "inline_data": { |
| 136 | "mime_type": img. |
| 137 | "data": img. |
| 138 | } |
| 139 | }) |
| 140 | } |
| 141 | |
| 142 | fn image_bedrock_block(img: |
| 143 | json!({ |
| 144 | "image": { |
| 145 | "format": img. |
| 146 | "source": {"bytes" |
| 147 | } |
| 148 | }) |
| 149 | } |
| 150 | |
| 151 | fn push_image_blocks(blocks: |
| 152 | for img in & |
| 153 | blocks.push(f |
| 154 | } |
| 155 | } |
| 156 | |
| 157 | pub struct ProviderMeta |
| 158 | pub name: & |
| 159 | pub env: & |
| 160 | pub default_model: & |
| 161 | } |
| 162 | |
| 163 | pub fn provider_metas() |
| 164 | let mut metas |
| 165 | .iter() |
| 166 | .map(|r| |
| 167 | name: r.name |
| 168 | env: r.env |
| 169 | default_model: r.default_model |
| 170 | }) |
| 171 | .collect(); |
| 172 | metas.extend(vec! |
| 173 | ProviderMeta { name |
| 174 | ProviderMeta { name |
| 175 | ProviderMeta { name |
| 176 | ProviderMeta { name |
| 177 | ProviderMeta { name |
| 178 | ProviderMeta { name |
| 179 | ProviderMeta { name |
| 180 | ProviderMeta { name |
| 181 | ProviderMeta { name |
| 182 | ProviderMeta { name |
| 183 | ProviderMeta { name |
| 184 | ProviderMeta { name |
| 185 | ]); |
| 186 | metas.sort_by(|a |
| 187 | metas |
| 188 | } |
| 189 | |
| 190 | fn env(key: |
| 191 | std::env::var |
| 192 | } |
| 193 | |
| 194 | fn env_default(key: |
| 195 | env(key).unwrap_or_else |
| 196 | } |
| 197 | |
| 198 | fn env_num<T |
| 199 | env(key).and_then |
| 200 | } |
| 201 | |
| 202 | #[allow(clippy:: |
| 203 | fn pcfg( |
| 204 | name: &str |
| 205 | key_env: &str |
| 206 | base_env: &str |
| 207 | default_base: &str |
| 208 | model_env: &str |
| 209 | default_model: &str |
| 210 | requires_key: bool |
| 211 | max_tokens: u32 |
| 212 | ) -> ProviderConfig { |
| 213 | ProviderConfig { |
| 214 | name: name.to_string |
| 215 | api_format: ApiFormat |
| 216 | base_url: env_default(base_env |
| 217 | api_key: env(key_env |
| 218 | default_model: env_default(model_env |
| 219 | max_tokens, |
| 220 | requires_key, |
| 221 | url_override: None |
| 222 | azure_auth: false, |
| 223 | key_in_url: false, |
| 224 | aws_region: "us-east-1". |
| 225 | aws_secret_key: None |
| 226 | aws_session_token: None |
| 227 | } |
| 228 | } |
| 229 | |
| 230 | pub fn resolve_provider(name |
| 231 | let max_tokens = |
| 232 | let cfg = |
| 233 | "openai" => pcfg |
| 234 | "anthropic" => pcfg |
| 235 | .with_format(ApiFormat::Anthropic |
| 236 | "google" | "gemini" |
| 237 | let mut c |
| 238 | .with_format(ApiFormat::Gemini |
| 239 | .with_key_in_url(); |
| 240 | c.api_key = env |
| 241 | c |
| 242 | } |
| 243 | "google-vertex" | "vertex" |
| 244 | let project = |
| 245 | let location = |
| 246 | let base = |
| 247 | String::new() |
| 248 | } else { |
| 249 | format!("https://{location |
| 250 | }; |
| 251 | let mut c |
| 252 | .with_format(ApiFormat::Gemini |
| 253 | c.base_url = env |
| 254 | c.api_key = env |
| 255 | c |
| 256 | } |
| 257 | "amazon-bedrock" | "bedrock" |
| 258 | let region = |
| 259 | let mut c |
| 260 | .with_format(ApiFormat::Bedrock |
| 261 | c.aws_region = region |
| 262 | c.aws_secret_key = env |
| 263 | c.aws_session_token = env |
| 264 | c |
| 265 | } |
| 266 | "azure" => { |
| 267 | let endpoint = |
| 268 | let deployment = |
| 269 | let version = |
| 270 | let url_override = |
| 271 | None |
| 272 | } else { |
| 273 | Some(format! |
| 274 | "{}/openai/deployments/{}/chat/completions?api-version={}", |
| 275 | endpoint.trim_end_matches('/ |
| 276 | deployment, |
| 277 | version |
| 278 | )) |
| 279 | }; |
| 280 | ProviderConfig { |
| 281 | name: "azure". |
| 282 | api_format: ApiFormat |
| 283 | base_url: endpoint, |
| 284 | api_key: env(" |
| 285 | default_model: if deployment |
| 286 | max_tokens, |
| 287 | requires_key: true, |
| 288 | url_override, |
| 289 | azure_auth: true, |
| 290 | key_in_url: false, |
| 291 | aws_region: "us-east-1". |
| 292 | aws_secret_key: None |
| 293 | aws_session_token: None |
| 294 | } |
| 295 | } |
| 296 | "groq" => pcfg |
| 297 | "mistral" => pcfg |
| 298 | "cohere" => pcfg |
| 299 | "fireworks" => pcfg |
| 300 | "cerebras" => pcfg |
| 301 | "xai" | "x-ai" |
| 302 | "together" => pcfg |
| 303 | "perplexity" => pcfg |
| 304 | "deepseek" => pcfg |
| 305 | "qwen" => { |
| 306 | let mut c |
| 307 | c.api_key = env |
| 308 | c |
| 309 | } |
| 310 | "sambanova" => pcfg |
| 311 | "replicate" => pcfg |
| 312 | "openrouter" => pcfg |
| 313 | "hf" | "huggingface" |
| 314 | let mut c |
| 315 | c.api_key = env |
| 316 | c |
| 317 | } |
| 318 | "cloudflare" => { |
| 319 | let account = |
| 320 | let default_base = |
| 321 | String::new() |
| 322 | } else { |
| 323 | format!("https://api.cloudflare.com/client/v4/accounts/{account |
| 324 | }; |
| 325 | let mut c |
| 326 | c.base_url = env |
| 327 | c.api_key = env |
| 328 | c |
| 329 | } |
| 330 | "ollama" => pcfg |
| 331 | "lmstudio" => pcfg |
| 332 | "compatible" => { |
| 333 | let mut c |
| 334 | c.base_url = env |
| 335 | .or_else(|| env |
| 336 | .unwrap_or_else(|| "https://api.openai.com/v1 |
| 337 | c.api_key = env |
| 338 | c.default_model = env |
| 339 | .or_else(|| env |
| 340 | .unwrap_or_else(|| "gpt-4o-mini |
| 341 | c |
| 342 | } |
| 343 | other => { |
| 344 | let Some( |
| 345 | bail!( |
| 346 | "Unknown provider '{other}'. Run `coding-agent providers` to list supported providers." |
| 347 | ) |
| 348 | }; |
| 349 | from_row(row, max_tokens |
| 350 | } |
| 351 | }; |
| 352 | Ok(cfg) |
| 353 | } |
| 354 | |
| 355 | fn from_row(row: |
| 356 | let key_env = |
| 357 | let tag = |
| 358 | .name |
| 359 | .to_uppercase() |
| 360 | .replace(['-', |
| 361 | let base_env = |
| 362 | let model_env = |
| 363 | if row.base_url.is_empty |
| 364 | bail!( |
| 365 | "No base URL for provider '{}'. Set {} or use `coding-agent connect`.", |
| 366 | row.name, |
| 367 | base_env |
| 368 | ); |
| 369 | } |
| 370 | let cfg = |
| 371 | row.name, |
| 372 | key_env, |
| 373 | &base_env, |
| 374 | row.base_url, |
| 375 | &model_env, |
| 376 | row.default_model, |
| 377 | row.requires_key, |
| 378 | max_tokens, |
| 379 | ) |
| 380 | .with_format(row.format |
| 381 | Ok(cfg) |
| 382 | } |
| 383 | |
| 384 | pub fn apply_stored(cfg |
| 385 | let Some( |
| 386 | if let Some |
| 387 | && !k.is_empty |
| 388 | cfg.api_key = Some |
| 389 | } |
| 390 | if let Some |
| 391 | && !b.is_empty |
| 392 | cfg.base_url = b |
| 393 | if cfg.name == |
| 394 | cfg.url_override = Some |
| 395 | } |
| 396 | } |
| 397 | if let Some |
| 398 | && !m.is_empty |
| 399 | cfg.default_model = m |
| 400 | } |
| 401 | if let Some |
| 402 | && !s.is_empty |
| 403 | cfg.aws_secret_key = Some |
| 404 | } |
| 405 | if let Some |
| 406 | && !r.is_empty |
| 407 | cfg.aws_region = r |
| 408 | } |
| 409 | } |
| 410 | |
| 411 | pub fn print_providers(conn |
| 412 | let stored = |
| 413 | .and_then(|c| |
| 414 | .unwrap_or_default(); |
| 415 | println!("{:<18} |
| 416 | println!("{}", |
| 417 | for m in provider_metas |
| 418 | let mark = |
| 419 | println!("{mark} |
| 420 | } |
| 421 | } |
| 422 | |
| 423 | fn get_json(cfg: |
| 424 | let mut req |
| 425 | if let Some |
| 426 | if cfg.api_format == |
| 427 | req = req. |
| 428 | } else if cfg |
| 429 | req = req. |
| 430 | } else { |
| 431 | req = req. |
| 432 | } |
| 433 | } |
| 434 | let resp = |
| 435 | Ok(r) |
| 436 | Err(ureq:: |
| 437 | let body = |
| 438 | bail!("HTTP {code |
| 439 | } |
| 440 | Err(e) |
| 441 | }; |
| 442 | resp.into_json().context |
| 443 | } |
| 444 | |
| 445 | /// List available models for a provider. Prefers the provider's live |
| 446 | /// `/models` endpoint; falls back to the embedded registry model list. |
| 447 | pub fn list_models(cfg |
| 448 | let base = |
| 449 | let live: Result |
| 450 | let base = |
| 451 | let url = |
| 452 | let v = |
| 453 | Ok(v[ |
| 454 | .as_array() |
| 455 | .map(|arr| |
| 456 | arr.iter() |
| 457 | .filter_map(|m| |
| 458 | .collect() |
| 459 | }) |
| 460 | .unwrap_or_default()) |
| 461 | } else if cfg |
| 462 | let url = |
| 463 | let v = |
| 464 | Ok(v[ |
| 465 | .as_array() |
| 466 | .map(|arr| |
| 467 | arr.iter() |
| 468 | .filter_map(|m| |
| 469 | .collect() |
| 470 | }) |
| 471 | .unwrap_or_default()) |
| 472 | } else if cfg |
| 473 | let key = |
| 474 | let url = |
| 475 | let v = |
| 476 | Ok(v[ |
| 477 | .as_array() |
| 478 | .map(|arr| |
| 479 | arr.iter() |
| 480 | .filter_map(|m| |
| 481 | m["name"]. |
| 482 | }) |
| 483 | .collect() |
| 484 | }) |
| 485 | .unwrap_or_default()) |
| 486 | } else { |
| 487 | bail!("no model listing endpoint for {}" |
| 488 | }; |
| 489 | if let Ok |
| 490 | && !list.is_empty |
| 491 | return Ok(list |
| 492 | } |
| 493 | let embedded = |
| 494 | .iter() |
| 495 | .find(|(n |
| 496 | .map(|(_ |
| 497 | .unwrap_or_default(); |
| 498 | if !embedded.is_empty |
| 499 | return Ok(embedded |
| 500 | } |
| 501 | Ok(vec! |
| 502 | } |
| 503 | |
| 504 | pub fn embedded_models(name |
| 505 | providers_data::MODEL_LISTS |
| 506 | .iter() |
| 507 | .find(|(n |
| 508 | .map(|(_ |
| 509 | .unwrap_or_default() |
| 510 | } |
| 511 | |
| 512 | pub fn chat( |
| 513 | cfg: &ProviderConfig |
| 514 | model: &str |
| 515 | system: &str |
| 516 | messages: &[LlmMessage |
| 517 | tools: &[ToolDef |
| 518 | on_delta: Option |
| 519 | ) -> Result<LlmResponse |
| 520 | if cfg.requires_key && |
| 521 | bail!( |
| 522 | "Missing credentials for provider '{}'. Run `/connect` or set the matching env var (see `coding-agent providers`).", |
| 523 | cfg.name |
| 524 | ); |
| 525 | } |
| 526 | match cfg.api_format { |
| 527 | ApiFormat::Compatible |
| 528 | ApiFormat::Anthropic |
| 529 | ApiFormat::Gemini |
| 530 | ApiFormat::Bedrock |
| 531 | } |
| 532 | } |
| 533 | |
| 534 | const MAX_RETRIES: usize |
| 535 | |
| 536 | /// Per-socket read timeout for LLM HTTP requests. Applied per read operation, |
| 537 | /// so a steadily-streaming response is unaffected, but a provider that stops |
| 538 | /// sending data un-sticks the agent after this long instead of hanging forever. |
| 539 | const LLM_TIMEOUT: Duration |
| 540 | |
| 541 | /// Pi-style retry of transient LLM failures: HTTP 429/5xx, "overloaded" / |
| 542 | /// rate-limit responses, and network/timeout errors. Backoff doubles |
| 543 | /// (2s, 4s, 8s). `on_retry` is called before each wait with |
| 544 | /// (attempt, max, wait_ms); setting `cancel` during a wait aborts the retry. |
| 545 | /// Calls that already streamed deltas are never retried (their output is |
| 546 | /// already visible), and auth/validation/context errors never retry. |
| 547 | #[allow(clippy:: |
| 548 | pub fn chat_with_retries( |
| 549 | cfg: &ProviderConfig |
| 550 | model: &str |
| 551 | system: &str |
| 552 | messages: &[LlmMessage |
| 553 | tools: &[ToolDef |
| 554 | mut on_delta: Option |
| 555 | mut on_retry: Option |
| 556 | cancel: &AtomicBool |
| 557 | ) -> Result<LlmResponse |
| 558 | for attempt in 0 |
| 559 | if cancel.load( |
| 560 | bail!("cancelled"); |
| 561 | } |
| 562 | let mut streamed |
| 563 | let call = |
| 564 | let mut wrapped |
| 565 | streamed = true; |
| 566 | real(chunk); |
| 567 | }; |
| 568 | chat(cfg, model |
| 569 | } else { |
| 570 | chat(cfg, model |
| 571 | }; |
| 572 | match call { |
| 573 | Ok(r) |
| 574 | Err(e) |
| 575 | Err(e) |
| 576 | let wait_ms = |
| 577 | if let Some |
| 578 | f(attempt + |
| 579 | } |
| 580 | sleep_backoff(wait_ms, cancel |
| 581 | } |
| 582 | Err(e) |
| 583 | } |
| 584 | } |
| 585 | unreachable!("retry loop always returns") |
| 586 | } |
| 587 | |
| 588 | fn is_transient_err(err: |
| 589 | let msg = |
| 590 | if let Some |
| 591 | && let Ok |
| 592 | .chars() |
| 593 | .take_while(|c| |
| 594 | .collect::<String |
| 595 | .parse::<u16 |
| 596 | && (code == |
| 597 | { |
| 598 | return true; |
| 599 | } |
| 600 | if err |
| 601 | .chain() |
| 602 | .any(|c| |
| 603 | { |
| 604 | return true; |
| 605 | } |
| 606 | let lower = |
| 607 | [ |
| 608 | "overloaded", |
| 609 | "overloaded_error", |
| 610 | "rate limit", |
| 611 | "too many requests", |
| 612 | "temporarily unavailable", |
| 613 | "try again later", |
| 614 | "server busy", |
| 615 | "under maintenance", |
| 616 | "upstream error", |
| 617 | "connection reset", |
| 618 | ] |
| 619 | .iter() |
| 620 | .any(|pat| |
| 621 | } |
| 622 | |
| 623 | fn sleep_backoff(wait_ms: |
| 624 | let mut slept |
| 625 | while slept < wait_ms |
| 626 | if cancel.load( |
| 627 | bail!("Retry cancelled"); |
| 628 | } |
| 629 | std::thread::sleep |
| 630 | slept += 100; |
| 631 | } |
| 632 | Ok(()) |
| 633 | } |
| 634 | |
| 635 | fn post_json(cfg: |
| 636 | let mut req |
| 637 | .timeout(LLM_TIMEOUT) |
| 638 | .set("Content-Type", |
| 639 | if let Some |
| 640 | if cfg.api_format == |
| 641 | req = req. |
| 642 | } else if cfg |
| 643 | req = req. |
| 644 | } else { |
| 645 | req = req. |
| 646 | } |
| 647 | } |
| 648 | let resp = |
| 649 | Ok(r) |
| 650 | Err(ureq:: |
| 651 | let body = |
| 652 | bail!("HTTP {code |
| 653 | } |
| 654 | Err(e) |
| 655 | }; |
| 656 | let v: Value |
| 657 | if let Some |
| 658 | bail!("API error: {err |
| 659 | } |
| 660 | Ok(v) |
| 661 | } |
| 662 | |
| 663 | fn extract_text(v: |
| 664 | match v { |
| 665 | Value::String( |
| 666 | Value::Array( |
| 667 | let mut out |
| 668 | for item in arr |
| 669 | if let Some |
| 670 | out.push_str(t |
| 671 | } else if let |
| 672 | out.push_str(s |
| 673 | } |
| 674 | } |
| 675 | Some(out) |
| 676 | } |
| 677 | Value::Null |
| 678 | _ => None |
| 679 | } |
| 680 | } |
| 681 | |
| 682 | fn to_openai_messages(messages: |
| 683 | let mut out |
| 684 | for m in messages |
| 685 | match m.role.as_str |
| 686 | "system" => out |
| 687 | "user" => { |
| 688 | if m.images.is_empty |
| 689 | out.push(json! |
| 690 | } else { |
| 691 | let mut parts |
| 692 | if let Some |
| 693 | && !c.is_empty |
| 694 | { |
| 695 | parts.push(json! |
| 696 | } |
| 697 | parts.extend(image_openai_parts |
| 698 | out.push(json! |
| 699 | } |
| 700 | } |
| 701 | "assistant" => { |
| 702 | let mut msg |
| 703 | if !m.tool_calls. |
| 704 | let tcs: Vec |
| 705 | .tool_calls |
| 706 | .iter() |
| 707 | .map(|tc| |
| 708 | json!({ |
| 709 | "id": tc. |
| 710 | "type": "function", |
| 711 | "function": {"name" |
| 712 | }) |
| 713 | }) |
| 714 | .collect(); |
| 715 | msg["tool_calls"] |
| 716 | } |
| 717 | out.push(msg |
| 718 | } |
| 719 | "tool" => out |
| 720 | "role": "tool", |
| 721 | "tool_call_id": m. |
| 722 | "content": m. |
| 723 | })), |
| 724 | _ => {} |
| 725 | } |
| 726 | } |
| 727 | out |
| 728 | } |
| 729 | |
| 730 | fn chat_compatible( |
| 731 | cfg: &ProviderConfig |
| 732 | model: &str |
| 733 | _system: &str |
| 734 | messages: &[LlmMessage |
| 735 | tools: &[ToolDef |
| 736 | on_delta: Option |
| 737 | ) -> Result<LlmResponse |
| 738 | let url = |
| 739 | .url_override |
| 740 | .clone() |
| 741 | .unwrap_or_else(|| format! |
| 742 | let streaming = |
| 743 | let mut body |
| 744 | "model": model, |
| 745 | "messages": to_openai_messages( |
| 746 | "max_tokens": cfg. |
| 747 | "stream": streaming, |
| 748 | }); |
| 749 | if !tools.is_empty |
| 750 | body["tools"] |
| 751 | tools |
| 752 | .iter() |
| 753 | .map(|t| |
| 754 | "type": "function", |
| 755 | "function": {"name" |
| 756 | })) |
| 757 | .collect::<Vec |
| 758 | ); |
| 759 | } |
| 760 | if streaming { |
| 761 | let on_delta = |
| 762 | return stream_compatible(cfg, |
| 763 | } |
| 764 | let resp = |
| 765 | let msg = |
| 766 | let content = |
| 767 | let mut tool_calls |
| 768 | if let Some |
| 769 | for tc in arr |
| 770 | let id = |
| 771 | let name = |
| 772 | .pointer("/function/name") |
| 773 | .and_then(|v| |
| 774 | .unwrap_or("") |
| 775 | .to_string(); |
| 776 | let arguments = |
| 777 | Some(Value |
| 778 | Some(v) |
| 779 | None => Value |
| 780 | }; |
| 781 | tool_calls.push(ToolCall |
| 782 | } |
| 783 | } |
| 784 | Ok(LlmResponse |
| 785 | } |
| 786 | |
| 787 | fn stream_compatible( |
| 788 | cfg: &ProviderConfig |
| 789 | url: &str |
| 790 | body: &Value |
| 791 | on_delta: &mut |
| 792 | ) -> Result<LlmResponse |
| 793 | let mut req |
| 794 | .timeout(LLM_TIMEOUT) |
| 795 | .set("Content-Type", |
| 796 | if let Some |
| 797 | if cfg.api_format == |
| 798 | req = req. |
| 799 | } else if cfg |
| 800 | req = req. |
| 801 | } else { |
| 802 | req = req. |
| 803 | } |
| 804 | } |
| 805 | let resp = |
| 806 | Ok(r) |
| 807 | Err(ureq:: |
| 808 | let body = |
| 809 | bail!("HTTP {code |
| 810 | } |
| 811 | Err(e) |
| 812 | }; |
| 813 | let mut reader |
| 814 | let mut buf |
| 815 | let mut content |
| 816 | let mut slots |
| 817 | let mut order |
| 818 | loop { |
| 819 | buf.clear(); |
| 820 | let n = |
| 821 | if n == 0 |
| 822 | break; |
| 823 | } |
| 824 | let line = |
| 825 | let line = |
| 826 | if line.is_empty() |
| 827 | continue; |
| 828 | } |
| 829 | let data = |
| 830 | if data.is_empty() |
| 831 | continue; |
| 832 | } |
| 833 | let v: Value |
| 834 | Ok(v) |
| 835 | Err(_) |
| 836 | }; |
| 837 | if let Some |
| 838 | content.push_str(t |
| 839 | on_delta(t); |
| 840 | } |
| 841 | if let Some |
| 842 | for tc in arr |
| 843 | let index = |
| 844 | let slot = |
| 845 | order.push(index |
| 846 | (String::new(), |
| 847 | }); |
| 848 | if let Some |
| 849 | && !id.is_empty |
| 850 | slot.0.push_str( |
| 851 | } |
| 852 | if let Some |
| 853 | && !name.is_empty |
| 854 | slot.1.push_str( |
| 855 | } |
| 856 | if let Some |
| 857 | slot.2.push_str( |
| 858 | } |
| 859 | } |
| 860 | } |
| 861 | } |
| 862 | let mut tool_calls |
| 863 | for index in order |
| 864 | let (id, |
| 865 | if name.is_empty() |
| 866 | continue; |
| 867 | } |
| 868 | tool_calls.push(ToolCall |
| 869 | id, |
| 870 | name, |
| 871 | arguments: serde_json::from_str |
| 872 | }); |
| 873 | } |
| 874 | Ok(LlmResponse |
| 875 | content: if content |
| 876 | tool_calls, |
| 877 | }) |
| 878 | } |
| 879 | |
| 880 | fn push_blocks(out: |
| 881 | if let Some |
| 882 | && last["role" |
| 883 | && let Some |
| 884 | for b in blocks |
| 885 | arr.push(b |
| 886 | } |
| 887 | return; |
| 888 | } |
| 889 | out.push(json! |
| 890 | } |
| 891 | |
| 892 | fn to_anthropic_messages(messages: |
| 893 | let mut out |
| 894 | let mut pending_results |
| 895 | for m in messages |
| 896 | match m.role.as_str |
| 897 | "system" => continue, |
| 898 | "assistant" => { |
| 899 | if !pending_results.is_empty |
| 900 | push_blocks(&mut out |
| 901 | } |
| 902 | let mut blocks |
| 903 | if let Some |
| 904 | && !c.is_empty |
| 905 | blocks.push(json! |
| 906 | } |
| 907 | for tc in & |
| 908 | blocks.push(json! |
| 909 | } |
| 910 | if !blocks.is_empty |
| 911 | push_blocks(&mut out |
| 912 | } |
| 913 | } |
| 914 | "tool" => { |
| 915 | pending_results.push(json! |
| 916 | "type": "tool_result", |
| 917 | "tool_use_id": m. |
| 918 | "content": m. |
| 919 | })); |
| 920 | } |
| 921 | "user" => { |
| 922 | if !pending_results.is_empty |
| 923 | let mut blocks |
| 924 | if let Some |
| 925 | && !c.is_empty |
| 926 | blocks.push(json! |
| 927 | } |
| 928 | push_image_blocks(&mut blocks |
| 929 | push_blocks(&mut out |
| 930 | } else { |
| 931 | let mut blocks |
| 932 | if let Some |
| 933 | && !c.is_empty |
| 934 | blocks.push(json! |
| 935 | } |
| 936 | push_image_blocks(&mut blocks |
| 937 | if blocks.is_empty() |
| 938 | blocks.push(json! |
| 939 | } |
| 940 | push_blocks(&mut out |
| 941 | } |
| 942 | } |
| 943 | _ => {} |
| 944 | } |
| 945 | } |
| 946 | if !pending_results.is_empty |
| 947 | push_blocks(&mut out |
| 948 | } |
| 949 | if let Some |
| 950 | && first["role" |
| 951 | out.insert(0, |
| 952 | } |
| 953 | out |
| 954 | } |
| 955 | |
| 956 | fn chat_anthropic( |
| 957 | cfg: &ProviderConfig |
| 958 | model: &str |
| 959 | system: &str |
| 960 | messages: &[LlmMessage |
| 961 | tools: &[ToolDef |
| 962 | on_delta: Option |
| 963 | ) -> Result<LlmResponse |
| 964 | let url = |
| 965 | let streaming = |
| 966 | let mut body |
| 967 | "model": model, |
| 968 | "max_tokens": cfg. |
| 969 | "system": system, |
| 970 | "messages": to_anthropic_messages( |
| 971 | "stream": streaming, |
| 972 | }); |
| 973 | if !tools.is_empty |
| 974 | body["tools"] |
| 975 | tools |
| 976 | .iter() |
| 977 | .map(|t| |
| 978 | .collect::<Vec |
| 979 | ); |
| 980 | } |
| 981 | if streaming { |
| 982 | let on_delta = |
| 983 | return stream_anthropic(cfg, |
| 984 | } |
| 985 | let resp = |
| 986 | let blocks = |
| 987 | let mut content |
| 988 | let mut tool_calls |
| 989 | for block in blocks |
| 990 | match block.get( |
| 991 | Some("text") |
| 992 | if let Some |
| 993 | content.push_str(t |
| 994 | } |
| 995 | } |
| 996 | Some("tool_use") |
| 997 | let id = |
| 998 | let name = |
| 999 | let input = |
| 1000 | tool_calls.push(ToolCall |
| 1001 | } |
| 1002 | _ => {} |
| 1003 | } |
| 1004 | } |
| 1005 | Ok(LlmResponse |
| 1006 | content: if content |
| 1007 | tool_calls, |
| 1008 | }) |
| 1009 | } |
| 1010 | |
| 1011 | fn stream_anthropic( |
| 1012 | cfg: &ProviderConfig |
| 1013 | url: &str |
| 1014 | body: &Value |
| 1015 | on_delta: &mut |
| 1016 | ) -> Result<LlmResponse |
| 1017 | let mut req |
| 1018 | .timeout(LLM_TIMEOUT) |
| 1019 | .set("Content-Type", |
| 1020 | if let Some |
| 1021 | req = req. |
| 1022 | } |
| 1023 | let resp = |
| 1024 | Ok(r) |
| 1025 | Err(ureq:: |
| 1026 | let body = |
| 1027 | bail!("HTTP {code |
| 1028 | } |
| 1029 | Err(e) |
| 1030 | }; |
| 1031 | let mut reader |
| 1032 | let mut buf |
| 1033 | let mut content |
| 1034 | let mut tool_blocks |
| 1035 | loop { |
| 1036 | buf.clear(); |
| 1037 | let n = |
| 1038 | if n == 0 |
| 1039 | break; |
| 1040 | } |
| 1041 | let line = |
| 1042 | let line = |
| 1043 | if line.is_empty() |
| 1044 | continue; |
| 1045 | } |
| 1046 | let data = |
| 1047 | if data.is_empty() |
| 1048 | continue; |
| 1049 | } |
| 1050 | let v: Value |
| 1051 | Ok(v) |
| 1052 | Err(_) |
| 1053 | }; |
| 1054 | let event_type = |
| 1055 | match event_type { |
| 1056 | "content_block_start" => { |
| 1057 | let block = |
| 1058 | if block.get( |
| 1059 | let id = |
| 1060 | let name = |
| 1061 | tool_blocks.push((id |
| 1062 | } |
| 1063 | } |
| 1064 | "content_block_delta" => { |
| 1065 | let delta = |
| 1066 | match delta.get( |
| 1067 | Some("text_delta") |
| 1068 | if let Some |
| 1069 | content.push_str(t |
| 1070 | on_delta(t); |
| 1071 | } |
| 1072 | } |
| 1073 | Some("input_json_delta") |
| 1074 | if let Some |
| 1075 | && let Some |
| 1076 | last.2.push_str( |
| 1077 | } |
| 1078 | } |
| 1079 | _ => {} |
| 1080 | } |
| 1081 | } |
| 1082 | _ => {} |
| 1083 | } |
| 1084 | } |
| 1085 | let mut tool_calls |
| 1086 | for (id, name |
| 1087 | tool_calls.push(ToolCall |
| 1088 | id, |
| 1089 | name, |
| 1090 | arguments: serde_json::from_str |
| 1091 | }); |
| 1092 | } |
| 1093 | Ok(LlmResponse |
| 1094 | content: if content |
| 1095 | tool_calls, |
| 1096 | }) |
| 1097 | } |
| 1098 | |
| 1099 | fn gpush(out: |
| 1100 | if let Some |
| 1101 | && last["role" |
| 1102 | && let Some |
| 1103 | for p in parts |
| 1104 | arr.push(p |
| 1105 | } |
| 1106 | return; |
| 1107 | } |
| 1108 | out.push(json! |
| 1109 | } |
| 1110 | |
| 1111 | fn parse_tool_content(c: |
| 1112 | match c { |
| 1113 | None => json! |
| 1114 | Some(s) |
| 1115 | } |
| 1116 | } |
| 1117 | |
| 1118 | fn to_gemini_contents(messages: |
| 1119 | let mut out |
| 1120 | let mut pending_fn |
| 1121 | for m in messages |
| 1122 | match m.role.as_str |
| 1123 | "system" => continue, |
| 1124 | "assistant" => { |
| 1125 | if !pending_fn.is_empty |
| 1126 | gpush(&mut out |
| 1127 | } |
| 1128 | let mut parts |
| 1129 | if let Some |
| 1130 | && !c.is_empty |
| 1131 | parts.push(json! |
| 1132 | } |
| 1133 | for tc in & |
| 1134 | parts.push(json! |
| 1135 | } |
| 1136 | if !parts.is_empty |
| 1137 | gpush(&mut out |
| 1138 | } |
| 1139 | } |
| 1140 | "tool" => { |
| 1141 | let name = |
| 1142 | pending_fn.push(json! |
| 1143 | } |
| 1144 | "user" => { |
| 1145 | let mut parts |
| 1146 | if let Some |
| 1147 | && !c.is_empty |
| 1148 | parts.push(json! |
| 1149 | } |
| 1150 | for img in & |
| 1151 | parts.push(image_gemini_part |
| 1152 | } |
| 1153 | if !parts.is_empty |
| 1154 | gpush(&mut out |
| 1155 | } |
| 1156 | } |
| 1157 | _ => {} |
| 1158 | } |
| 1159 | } |
| 1160 | if !pending_fn.is_empty |
| 1161 | gpush(&mut out |
| 1162 | } |
| 1163 | out |
| 1164 | } |
| 1165 | |
| 1166 | fn chat_gemini( |
| 1167 | cfg: &ProviderConfig |
| 1168 | model: &str |
| 1169 | system: &str |
| 1170 | messages: &[LlmMessage |
| 1171 | tools: &[ToolDef |
| 1172 | on_delta: Option |
| 1173 | ) -> Result<LlmResponse |
| 1174 | let base = |
| 1175 | if base.is_empty() |
| 1176 | bail!("No base URL configured for '{}'. Run `/connect google-vertex` or set GOOGLE_VERTEX_BASE_URL. |
| 1177 | } |
| 1178 | let streaming = |
| 1179 | let url = |
| 1180 | let key = |
| 1181 | if streaming { |
| 1182 | format!("{base} |
| 1183 | } else { |
| 1184 | format!("{base} |
| 1185 | } |
| 1186 | } else if streaming |
| 1187 | format!("{base} |
| 1188 | } else { |
| 1189 | format!("{base} |
| 1190 | }; |
| 1191 | let mut body |
| 1192 | "contents": to_gemini_contents( |
| 1193 | "systemInstruction": {"parts" |
| 1194 | "generationConfig": {"maxOutputTokens" |
| 1195 | }); |
| 1196 | if !tools.is_empty |
| 1197 | body["tools"] |
| 1198 | "functionDeclarations": tools |
| 1199 | .iter() |
| 1200 | .map(|t| |
| 1201 | .collect::<Vec |
| 1202 | }]); |
| 1203 | } |
| 1204 | if streaming { |
| 1205 | let on_delta = |
| 1206 | return stream_gemini(cfg, |
| 1207 | } |
| 1208 | let resp = |
| 1209 | let parts = |
| 1210 | .pointer("/candidates/0/content/parts") |
| 1211 | .and_then(|v| |
| 1212 | .context("no candidates[0].content.parts in response") |
| 1213 | let mut content |
| 1214 | let mut tool_calls |
| 1215 | for (i, part |
| 1216 | if let Some |
| 1217 | content.push_str(t |
| 1218 | } |
| 1219 | if let Some |
| 1220 | let name = |
| 1221 | let args = |
| 1222 | tool_calls.push(ToolCall |
| 1223 | } |
| 1224 | } |
| 1225 | Ok(LlmResponse |
| 1226 | content: if content |
| 1227 | tool_calls, |
| 1228 | }) |
| 1229 | } |
| 1230 | |
| 1231 | fn stream_gemini( |
| 1232 | cfg: &ProviderConfig |
| 1233 | url: &str |
| 1234 | body: &Value |
| 1235 | on_delta: &mut |
| 1236 | ) -> Result<LlmResponse |
| 1237 | let mut req |
| 1238 | .timeout(LLM_TIMEOUT) |
| 1239 | .set("Content-Type", |
| 1240 | if !cfg.key_in_url |
| 1241 | && let Some |
| 1242 | req = req. |
| 1243 | } |
| 1244 | let resp = |
| 1245 | Ok(r) |
| 1246 | Err(ureq:: |
| 1247 | let body = |
| 1248 | bail!("HTTP {code |
| 1249 | } |
| 1250 | Err(e) |
| 1251 | }; |
| 1252 | let mut reader |
| 1253 | let mut buf |
| 1254 | let mut content |
| 1255 | let mut fcs |
| 1256 | loop { |
| 1257 | buf.clear(); |
| 1258 | let n = |
| 1259 | if n == 0 |
| 1260 | break; |
| 1261 | } |
| 1262 | let line = |
| 1263 | let line = |
| 1264 | if line.is_empty() |
| 1265 | continue; |
| 1266 | } |
| 1267 | let data = |
| 1268 | if data.is_empty() |
| 1269 | continue; |
| 1270 | } |
| 1271 | let v: Value |
| 1272 | Ok(v) |
| 1273 | Err(_) |
| 1274 | }; |
| 1275 | let Some( |
| 1276 | continue; |
| 1277 | }; |
| 1278 | for (i, part |
| 1279 | if let Some |
| 1280 | content.push_str(t |
| 1281 | on_delta(t); |
| 1282 | } |
| 1283 | if let Some |
| 1284 | let name = |
| 1285 | let args = |
| 1286 | fcs.insert(i |
| 1287 | } |
| 1288 | } |
| 1289 | } |
| 1290 | let mut tool_calls |
| 1291 | let mut indices |
| 1292 | indices.sort_unstable(); |
| 1293 | for i in indices |
| 1294 | let (name, |
| 1295 | tool_calls.push(ToolCall |
| 1296 | } |
| 1297 | Ok(LlmResponse |
| 1298 | content: if content |
| 1299 | tool_calls, |
| 1300 | }) |
| 1301 | } |
| 1302 | |
| 1303 | // ---- Amazon Bedrock (AWS SigV4 + Converse API) ---- |
| 1304 | |
| 1305 | fn sha256_hex(data: |
| 1306 | let mut h |
| 1307 | h.update(data |
| 1308 | h.finalize().iter |
| 1309 | } |
| 1310 | |
| 1311 | fn hmac_bytes(key: |
| 1312 | let mut mac |
| 1313 | mac.update(data |
| 1314 | mac.finalize().into_bytes |
| 1315 | } |
| 1316 | |
| 1317 | fn to_bedrock_messages(messages: |
| 1318 | let mut out |
| 1319 | let mut pending |
| 1320 | for m in messages |
| 1321 | match m.role.as_str |
| 1322 | "system" => continue, |
| 1323 | "assistant" => { |
| 1324 | if !pending.is_empty |
| 1325 | push_blocks(&mut out |
| 1326 | } |
| 1327 | let mut blocks |
| 1328 | if let Some |
| 1329 | && !c.is_empty |
| 1330 | blocks.push(json! |
| 1331 | } |
| 1332 | for tc in & |
| 1333 | blocks.push(json! |
| 1334 | } |
| 1335 | if !blocks.is_empty |
| 1336 | push_blocks(&mut out |
| 1337 | } |
| 1338 | } |
| 1339 | "tool" => { |
| 1340 | pending.push(json! |
| 1341 | "toolResult": { |
| 1342 | "toolUseId": m. |
| 1343 | "content": [{"text" |
| 1344 | } |
| 1345 | })); |
| 1346 | } |
| 1347 | "user" => { |
| 1348 | if !pending.is_empty |
| 1349 | let mut blocks |
| 1350 | if let Some |
| 1351 | && !c.is_empty |
| 1352 | blocks.push(json! |
| 1353 | } |
| 1354 | push_image_blocks(&mut blocks |
| 1355 | push_blocks(&mut out |
| 1356 | } else { |
| 1357 | let mut blocks |
| 1358 | if let Some |
| 1359 | && !c.is_empty |
| 1360 | blocks.push(json! |
| 1361 | } |
| 1362 | push_image_blocks(&mut blocks |
| 1363 | if blocks.is_empty() |
| 1364 | blocks.push(json! |
| 1365 | } |
| 1366 | push_blocks(&mut out |
| 1367 | } |
| 1368 | } |
| 1369 | _ => {} |
| 1370 | } |
| 1371 | } |
| 1372 | if !pending.is_empty |
| 1373 | push_blocks(&mut out |
| 1374 | } |
| 1375 | out |
| 1376 | } |
| 1377 | |
| 1378 | fn post_bedrock(cfg: |
| 1379 | let access_key = |
| 1380 | let secret_key = |
| 1381 | let region = |
| 1382 | let body_str = |
| 1383 | let payload_hash = |
| 1384 | |
| 1385 | let now = |
| 1386 | let amz_date = |
| 1387 | let date_stamp = |
| 1388 | |
| 1389 | let parsed = |
| 1390 | let host = |
| 1391 | let path = |
| 1392 | |
| 1393 | let canonical_headers = |
| 1394 | "content-type:application/json\nhost:{host}\ |
| 1395 | ); |
| 1396 | let signed_headers = |
| 1397 | let canonical_request = |
| 1398 | let scope = |
| 1399 | let string_to_sign = |
| 1400 | "AWS4-HMAC-SHA256\n{amz_date}\n |
| 1401 | sha256_hex(canonical_request.as_bytes |
| 1402 | ); |
| 1403 | |
| 1404 | let mut key |
| 1405 | key.extend_from_slice(secret_key |
| 1406 | let k_date = |
| 1407 | let k_region = |
| 1408 | let k_service = |
| 1409 | let k_signing = |
| 1410 | let signature = |
| 1411 | .iter() |
| 1412 | .map(|b| |
| 1413 | .collect::<String |
| 1414 | let authorization = |
| 1415 | "AWS4-HMAC-SHA256 Credential={access_key}/{scope} |
| 1416 | ); |
| 1417 | |
| 1418 | let mut req |
| 1419 | .timeout(LLM_TIMEOUT) |
| 1420 | .set("Content-Type", |
| 1421 | .set("X-Amz-Date", |
| 1422 | .set("X-Amz-Content-Sha256", |
| 1423 | .set("Authorization", |
| 1424 | if let Some |
| 1425 | req = req. |
| 1426 | } |
| 1427 | let resp = |
| 1428 | Ok(r) |
| 1429 | Err(ureq:: |
| 1430 | let txt = |
| 1431 | bail!("HTTP {code |
| 1432 | } |
| 1433 | Err(e) |
| 1434 | }; |
| 1435 | let v: Value |
| 1436 | if let Some |
| 1437 | bail!("Bedrock error: {err |
| 1438 | } |
| 1439 | Ok(v) |
| 1440 | } |
| 1441 | |
| 1442 | fn chat_bedrock( |
| 1443 | cfg: &ProviderConfig |
| 1444 | model: &str |
| 1445 | system: &str |
| 1446 | messages: &[LlmMessage |
| 1447 | tools: &[ToolDef |
| 1448 | _on_delta: Option |
| 1449 | ) -> Result<LlmResponse |
| 1450 | let url = |
| 1451 | let mut body |
| 1452 | "modelId": model, |
| 1453 | "system": [{"text" |
| 1454 | "messages": to_bedrock_messages( |
| 1455 | "inferenceConfig": {"maxTokens" |
| 1456 | }); |
| 1457 | if !tools.is_empty |
| 1458 | body["toolConfig"] |
| 1459 | "tools": tools |
| 1460 | .iter() |
| 1461 | .map(|t| |
| 1462 | .collect::<Vec |
| 1463 | }); |
| 1464 | } |
| 1465 | let resp = |
| 1466 | let message = |
| 1467 | let mut content |
| 1468 | let mut tool_calls |
| 1469 | if let Some |
| 1470 | for block in arr |
| 1471 | if let Some |
| 1472 | content.push_str(t |
| 1473 | } |
| 1474 | if let Some |
| 1475 | let id = |
| 1476 | let name = |
| 1477 | let input = |
| 1478 | tool_calls.push(ToolCall |
| 1479 | } |
| 1480 | } |
| 1481 | } |
| 1482 | Ok(LlmResponse |
| 1483 | content: if content |
| 1484 | tool_calls, |
| 1485 | }) |
| 1486 | } |
| 1487 | |
| 1488 | #[cfg(test)] |
| 1489 | mod tests { |
| 1490 | use super::*; |
| 1491 | use anyhow::anyhow; |
| 1492 | |
| 1493 | fn err(s: |
| 1494 | anyhow!(s.into |
| 1495 | } |
| 1496 | |
| 1497 | #[test] |
| 1498 | fn transient_http_status_codes() { |
| 1499 | assert!(is_transient_err( |
| 1500 | assert!(is_transient_err( |
| 1501 | assert!(is_transient_err( |
| 1502 | } |
| 1503 | |
| 1504 | #[test] |
| 1505 | fn non_transient_http_status_codes() { |
| 1506 | assert!(!is_transient_err |
| 1507 | assert!(!is_transient_err |
| 1508 | assert!(!is_transient_err |
| 1509 | } |
| 1510 | |
| 1511 | #[test] |
| 1512 | fn overloaded_message_patterns() { |
| 1513 | assert!(is_transient_err( |
| 1514 | assert!(is_transient_err( |
| 1515 | assert!(is_transient_err( |
| 1516 | } |
| 1517 | |
| 1518 | #[test] |
| 1519 | fn never_retries_auth_and_validation() { |
| 1520 | assert!(!is_transient_err |
| 1521 | assert!(!is_transient_err |
| 1522 | assert!(!is_transient_err |
| 1523 | } |
| 1524 | |
| 1525 | #[test] |
| 1526 | fn backoff_sequence_doubles() { |
| 1527 | assert_eq!(MAX_RETRIES, |
| 1528 | assert_eq!(2000u64 |
| 1529 | assert_eq!(2000u64 |
| 1530 | assert_eq!(2000u64 |
| 1531 | } |
| 1532 | } |
;
::
{
AtomicBool
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PROVIDER_ROWS
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google-vertex
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env
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gemini-2.5-flash
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amazon-bedrock
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anthropic.claude-3-5-sonnet-20241022-v2:0
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azure
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fireworks
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accounts/fireworks/models/llama-v3p3-70b-instruct
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MiniMaxAI/MiniMax-M2.5
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sambanova
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SAMBANOVA_API_KEY
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Meta-Llama-3.3-70B-Instruct
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replicate
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REPLICATE_API_TOKEN
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meta/meta-llama-3-70b-instruct
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cloudflare
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CLOUDFLARE_API_TOKEN
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@cf/meta/llama-3.1-8b-instruct
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env_num
(
"
MAX_TOKENS
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4096
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match
name
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to_lowercase
()
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as_str
()
{
(
"
openai
"
,
"
OPENAI_API_KEY
"
,
"
OPENAI_BASE_URL
"
,
"
https://api.openai.com/v1
"
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"
OPENAI_MODEL
"
,
"
gpt-4o-mini
"
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true
,
max_tokens
),
(
"
anthropic
"
,
"
ANTHROPIC_API_KEY
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,
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ANTHROPIC_BASE_URL
"
,
"
https://api.anthropic.com
"
,
"
ANTHROPIC_MODEL
"
,
"
claude-sonnet-4-20250514
"
,
true
,
max_tokens
)
),
=>
{
=
pcfg
(
"
google
"
,
"
GOOGLE_API_KEY
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GOOGLE_GENERATIVE_AI_BASE_URL
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https://generativelanguage.googleapis.com/v1beta
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GOOGLE_MODEL
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gemini-2.0-flash
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true
,
max_tokens
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(
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GOOGLE_API_KEY
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or_else
(
||
env
(
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GEMINI_API_KEY
"
));
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{
env
(
"
GOOGLE_VERTEX_PROJECT
"
)
.
unwrap_or_default
();
env_default
(
"
GOOGLE_VERTEX_LOCATION
"
,
"
us-central1
"
);
if
project
.
is_empty
()
{
}
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{
project
}
/locations/
{
location
}
/publishers/google
"
)
=
pcfg
(
"
google-vertex
"
,
"
GOOGLE_VERTEX_TOKEN
"
,
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GOOGLE_VERTEX_BASE_URL
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,
""
,
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GOOGLE_VERTEX_MODEL
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gemini-2.5-flash
"
,
true
,
max_tokens
)
);
(
"
GOOGLE_VERTEX_BASE_URL
"
)
.
unwrap_or
(
base
);
(
"
GOOGLE_VERTEX_TOKEN
"
)
.
or_else
(
||
env
(
"
GOOGLE_ACCESS_TOKEN
"
));
|
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aws
"
=>
{
env_default
(
"
AWS_REGION
"
,
"
us-east-1
"
);
=
pcfg
(
"
amazon-bedrock
"
,
"
AWS_ACCESS_KEY_ID
"
,
"
BEDROCK_BASE_URL
"
,
&
format!
(
"
https://bedrock-runtime.
{
region
}
.amazonaws.com
"
),
"
BEDROCK_MODEL
"
,
"
anthropic.claude-3-5-sonnet-20241022-v2:0
"
,
true
,
max_tokens
)
);
;
(
"
AWS_SECRET_ACCESS_KEY
"
);
(
"
AWS_SESSION_TOKEN
"
);
env
(
"
AZURE_OPENAI_ENDPOINT
"
)
.
or_else
(
||
env
(
"
AZURE_ENDPOINT
"
))
.
unwrap_or_default
();
env
(
"
AZURE_OPENAI_DEPLOYMENT
"
)
.
unwrap_or_default
();
env
(
"
AZURE_OPENAI_API_VERSION
"
)
.
unwrap_or_else
(
||
"
2024-06-01
"
.
to_string
());
if
endpoint
.
is_empty
()
||
deployment
.
is_empty
()
{
(
'
),
into
(),
::
Compatible
,
AZURE_OPENAI_API_KEY
"
),
.
is_empty
()
{
"
deployment
"
.
into
()
}
else
{
deployment
.
clone
()
},
into
(),
,
,
(
"
groq
"
,
"
GROQ_API_KEY
"
,
"
GROQ_BASE_URL
"
,
"
https://api.groq.com/openai/v1
"
,
"
GROQ_MODEL
"
,
"
llama-3.3-70b-versatile
"
,
true
,
max_tokens
),
(
"
mistral
"
,
"
MISTRAL_API_KEY
"
,
"
MISTRAL_BASE_URL
"
,
"
https://api.mistral.ai/v1
"
,
"
MISTRAL_MODEL
"
,
"
mistral-large-latest
"
,
true
,
max_tokens
),
(
"
cohere
"
,
"
COHERE_API_KEY
"
,
"
COHERE_BASE_URL
"
,
"
https://api.cohere.com/v1
"
,
"
COHERE_MODEL
"
,
"
command-r-plus
"
,
true
,
max_tokens
),
(
"
fireworks
"
,
"
FIREWORKS_API_KEY
"
,
"
FIREWORKS_BASE_URL
"
,
"
https://api.fireworks.ai/inference/v1
"
,
"
FIREWORKS_MODEL
"
,
"
accounts/fireworks/models/llama-v3p3-70b-instruct
"
,
true
,
max_tokens
),
(
"
cerebras
"
,
"
CEREBRAS_API_KEY
"
,
"
CEREBRAS_BASE_URL
"
,
"
https://api.cerebras.ai/v1
"
,
"
CEREBRAS_MODEL
"
,
"
llama-3.3-70b
"
,
true
,
max_tokens
),
|
"
grok
"
=>
pcfg
(
"
xai
"
,
"
XAI_API_KEY
"
,
"
XAI_BASE_URL
"
,
"
https://api.x.ai/v1
"
,
"
XAI_MODEL
"
,
"
grok-2
"
,
true
,
max_tokens
),
(
"
together
"
,
"
TOGETHER_API_KEY
"
,
"
TOGETHER_BASE_URL
"
,
"
https://api.together.xyz/v1
"
,
"
TOGETHER_MODEL
"
,
"
meta-llama/Llama-3.3-70B-Instruct-Turbo
"
,
true
,
max_tokens
),
(
"
perplexity
"
,
"
PERPLEXITY_API_KEY
"
,
"
PERPLEXITY_BASE_URL
"
,
"
https://api.perplexity.ai
"
,
"
PERPLEXITY_MODEL
"
,
"
sonar-pro
"
,
true
,
max_tokens
),
(
"
deepseek
"
,
"
DEEPSEEK_API_KEY
"
,
"
DEEPSEEK_BASE_URL
"
,
"
https://api.deepseek.com/v1
"
,
"
DEEPSEEK_MODEL
"
,
"
deepseek-chat
"
,
true
,
max_tokens
),
=
pcfg
(
"
qwen
"
,
"
DASHSCOPE_API_KEY
"
,
"
QWEN_BASE_URL
"
,
"
https://dashscope.aliyuncs.com/compatible-mode/v1
"
,
"
QWEN_MODEL
"
,
"
qwen-plus
"
,
true
,
max_tokens
);
(
"
DASHSCOPE_API_KEY
"
)
.
or_else
(
||
env
(
"
QWEN_API_KEY
"
));
(
"
sambanova
"
,
"
SAMBANOVA_API_KEY
"
,
"
SAMBANOVA_BASE_URL
"
,
"
https://api.sambanova.ai/v1
"
,
"
SAMBANOVA_MODEL
"
,
"
Meta-Llama-3.3-70B-Instruct
"
,
true
,
max_tokens
),
(
"
replicate
"
,
"
REPLICATE_API_TOKEN
"
,
"
REPLICATE_BASE_URL
"
,
"
https://api.replicate.com/v1
"
,
"
REPLICATE_MODEL
"
,
"
meta/meta-llama-3-70b-instruct
"
,
true
,
max_tokens
),
(
"
openrouter
"
,
"
OPENROUTER_API_KEY
"
,
"
OPENROUTER_BASE_URL
"
,
"
https://openrouter.ai/api/v1
"
,
"
OPENROUTER_MODEL
"
,
"
anthropic/claude-sonnet-4
"
,
true
,
max_tokens
),
=>
{
=
pcfg
(
"
huggingface
"
,
"
HF_API_TOKEN
"
,
"
HF_BASE_URL
"
,
"
https://api-inference.huggingface.co/v1
"
,
"
HF_MODEL
"
,
"
meta-llama/Llama-3.3-70B-Instruct
"
,
true
,
max_tokens
);
(
"
HF_API_TOKEN
"
)
.
or_else
(
||
env
(
"
HUGGINGFACE_API_KEY
"
));
env
(
"
CLOUDFLARE_ACCOUNT_ID
"
)
.
unwrap_or_default
();
if
account
.
is_empty
()
{
}
/ai/v1
"
)
=
pcfg
(
"
cloudflare
"
,
"
CLOUDFLARE_API_TOKEN
"
,
"
CLOUDFLARE_BASE_URL
"
,
""
,
"
CLOUDFLARE_MODEL
"
,
"
@cf/meta/llama-3.1-8b-instruct
"
,
true
,
max_tokens
);
(
"
CLOUDFLARE_BASE_URL
"
)
.
unwrap_or
(
default_base
);
(
"
CLOUDFLARE_API_TOKEN
"
)
.
or_else
(
||
env
(
"
CF_API_TOKEN
"
));
(
"
ollama
"
,
"
OLLAMA_API_KEY
"
,
"
OLLAMA_BASE_URL
"
,
"
http://localhost:11434/v1
"
,
"
OLLAMA_MODEL
"
,
"
llama3.2
"
,
false
,
max_tokens
),
(
"
lmstudio
"
,
"
LMSTUDIO_API_KEY
"
,
"
LMSTUDIO_BASE_URL
"
,
"
http://localhost:1234/v1
"
,
"
LMSTUDIO_MODEL
"
,
""
,
false
,
max_tokens
),
=
pcfg
(
"
compatible
"
,
"
COMPATIBLE_API_KEY
"
,
"
COMPATIBLE_BASE_URL
"
,
"
https://api.openai.com/v1
"
,
"
COMPATIBLE_MODEL
"
,
"
gpt-4o-mini
"
,
false
,
max_tokens
);
(
"
COMPATIBLE_BASE_URL
"
)
(
"
OPENAI_BASE_URL
"
))
"
.
to_string
());
(
"
COMPATIBLE_API_KEY
"
)
.
or_else
(
||
env
(
"
OPENAI_API_KEY
"
));
(
"
COMPATIBLE_MODEL
"
)
(
"
OPENAI_MODEL
"
))
"
.
to_string
());
row
)
=
PROVIDER_ROWS
.
iter
()
.
find
(
|
r
|
r
.
name
==
other
)
else
{
)
?
&
providers_data
::
ProviderRow
,
max_tokens
:
u32
)
->
Result
<
ProviderConfig
>
{
row
.
env
.
split
(
'
,
'
)
.
next
()
.
unwrap_or
(
""
)
.
trim
();
row
'
.
'
],
"
_
"
);
format!
(
"
{
tag
}
_BASE_URL
"
);
format!
(
"
{
tag
}
_MODEL
"
);
()
&&
env
(
&
base_env
)
.
is_none
()
{
pcfg
(
);
:
&
mut
ProviderConfig
,
stored
:
Option
<
&
Value
>
)
{
v
)
=
stored
else
{
return
};
(
k
)
=
v
.
get
(
"
api_key
"
)
.
and_then
(
|
x
|
x
.
as_str
())
()
{
(
k
.
to_string
());
(
b
)
=
v
.
get
(
"
base_url
"
)
.
and_then
(
|
x
|
x
.
as_str
())
()
{
.
to_string
();
"
azure
"
{
(
b
.
to_string
());
(
m
)
=
v
.
get
(
"
model
"
)
.
and_then
(
|
x
|
x
.
as_str
())
()
{
.
to_string
();
(
s
)
=
v
.
get
(
"
aws_secret_key
"
)
.
and_then
(
|
x
|
x
.
as_str
())
()
{
(
s
.
to_string
());
(
r
)
=
v
.
get
(
"
aws_region
"
)
.
and_then
(
|
x
|
x
.
as_str
())
()
{
.
to_string
();
:
Option
<
&
crate
::
db
::
DbConn
>
)
{
conn
crate
::
db
::
list_provider_configs
(
c
)
.
ok
())
{
:<46
}
default model
"
,
"
provider
"
,
"
credentials
"
);
"
-
"
.
repeat
(
105
));
()
{
if
stored
.
iter
()
.
any
(
|
(
p
,
_
)
|
p
==
m
.
name
)
{
"
✓
"
}
else
{
"
"
};
{
:<16
}
{
:<46
}
{}
"
,
m
.
name
,
m
.
env
,
m
.
default_model
);
&
ProviderConfig
,
url
:
&
str
)
->
Result
<
Value
>
{
=
ureq
::
get
(
url
)
.
timeout
(
Duration
::
from_secs
(
30
));
(
key
)
=
&
cfg
.
api_key
{
ApiFormat
::
Anthropic
{
set
(
"
x-api-key
"
,
key
)
.
set
(
"
anthropic-version
"
,
"
2023-06-01
"
);
.
azure_auth
{
set
(
"
api-key
"
,
key
);
set
(
"
Authorization
"
,
&
format!
(
"
Bearer
{
key
}
"
));
match
req
.
call
()
{
=>
r
,
Error
::
Status
(
code
,
r
))
=>
{
r
.
into_string
()
.
unwrap_or_default
();
}
from
{
url
}
:
{
body
}
"
);
=>
return
Err
(
e
.
into
()),
(
"
invalid JSON from model list
"
)
:
&
ProviderConfig
)
->
Result
<
Vec
<
String
>>
{
cfg
.
base_url
.
trim_end_matches
(
'
/
'
);
<
Vec
<
String
>>
=
if
cfg
.
name
==
"
ollama
"
{
base
.
trim_end_matches
(
"
/v1
"
);
format!
(
"
{
base
}
/api/tags
"
);
get_json
(
cfg
,
&
url
)
?
;
"
models
"
]
{
m
[
"
name
"
]
.
as_str
()
.
map
(
|
s
|
s
.
trim_end_matches
(
"
:latest
"
)
.
to_string
()))
.
api_format
==
ApiFormat
::
Compatible
{
format!
(
"
{
base
}
/models
"
);
get_json
(
cfg
,
&
url
)
?
;
"
data
"
]
{
m
[
"
id
"
]
.
as_str
()
.
map
(
|
s
|
s
.
to_string
()))
.
api_format
==
ApiFormat
::
Gemini
{
cfg
.
api_key
.
clone
()
.
unwrap_or_default
();
format!
(
"
{
base
}
/models?key=
{
key
}
"
);
get_json
(
cfg
,
&
url
)
?
;
"
models
"
]
{
{
as_str
()
.
map
(
|
s
|
s
.
strip_prefix
(
"
models/
"
)
.
unwrap_or
(
s
)
.
to_string
())
,
cfg
.
name
)
(
list
)
=
live
()
{
);
providers_data
::
MODEL_LISTS
,
_
)
|
*
n
==
cfg
.
name
)
,
m
)
|
m
.
iter
()
.
map
(
|
s
|
s
.
to_string
())
.
collect
::
<
Vec
<
_
>>
())
()
{
);
[
cfg
.
default_model
.
clone
()])
:
&
str
)
->
Vec
<
String
>
{
,
_
)
|
*
n
==
name
)
,
m
)
|
m
.
iter
()
.
map
(
|
s
|
s
.
to_string
())
.
collect
::
<
Vec
<
_
>>
())
,
,
,
],
],
<
&
mut
dyn
FnMut
(
&
str
)
>
,
>
{
cfg
.
api_key
.
is_none
()
{
=>
chat_compatible
(
cfg
,
model
,
system
,
messages
,
tools
,
on_delta
),
=>
chat_anthropic
(
cfg
,
model
,
system
,
messages
,
tools
,
on_delta
),
=>
chat_gemini
(
cfg
,
model
,
system
,
messages
,
tools
,
on_delta
),
=>
chat_bedrock
(
cfg
,
model
,
system
,
messages
,
tools
,
on_delta
),
=
3
;
=
Duration
::
from_secs
(
120
);
too_many_arguments
)]
,
,
,
],
],
<
&
mut
dyn
FnMut
(
&
str
)
>
,
<
&
mut
dyn
FnMut
(
usize
,
usize
,
u64
)
>
,
,
>
{
..=
MAX_RETRIES
{
Ordering
::
Relaxed
)
{
=
false
;
if
let
Some
(
real
)
=
on_delta
.
as_deref_mut
()
{
=
|
chunk
:
&
str
|
{
,
system
,
messages
,
tools
,
Some
(
&
mut
wrapped
))
,
system
,
messages
,
tools
,
None
)
=>
return
Ok
(
r
),
if
streamed
=>
return
Err
(
e
),
if
attempt
<
MAX_RETRIES
&&
is_transient_err
(
&
e
)
=>
{
2000
u64
<<
attempt
;
(
f
)
=
on_retry
.
as_deref_mut
()
{
1
,
MAX_RETRIES
,
wait_ms
);
)
?
;
=>
return
Err
(
e
),
&
anyhow
::
Error
)
->
bool
{
format!
(
"
{
err:#
}
"
);
(
start
)
=
msg
.
find
(
"
HTTP
"
)
(
code
)
=
msg
[
start
+
5
..
]
c
.
is_ascii_digit
())
>
()
>
()
429
||
(
500
..=
599
)
.
contains
(
&
code
))
matches!
(
c
.
downcast_ref
::
<
ureq
::
Error
>
(),
Some
(
ureq
::
Error
::
Transport
(
_
))))
msg
.
to_lowercase
();
lower
.
contains
(
pat
))
u64
,
cancel
:
&
AtomicBool
)
->
Result
<
()
>
{
=
0
u64
;
{
Ordering
::
Relaxed
)
{
(
Duration
::
from_millis
(
100
));
&
ProviderConfig
,
url
:
&
str
,
body
:
&
Value
)
->
Result
<
Value
>
{
=
ureq
::
post
(
url
)
"
application/json
"
);
(
key
)
=
&
cfg
.
api_key
{
ApiFormat
::
Anthropic
{
set
(
"
x-api-key
"
,
key
)
.
set
(
"
anthropic-version
"
,
"
2023-06-01
"
);
.
azure_auth
{
set
(
"
api-key
"
,
key
);
set
(
"
Authorization
"
,
&
format!
(
"
Bearer
{
key
}
"
));
match
req
.
send_json
(
body
)
{
=>
r
,
Error
::
Status
(
code
,
r
))
=>
{
r
.
into_string
()
.
unwrap_or_default
();
}
from
{
url
}
:
{
body
}
"
);
=>
return
Err
(
e
.
into
()),
=
resp
.
into_json
()
.
context
(
"
invalid JSON response from LLM
"
)
?
;
(
err
)
=
v
.
get
(
"
error
"
)
{
}
"
);
&
Value
)
->
Option
<
String
>
{
s
)
=>
Some
(
s
.
clone
()),
arr
)
=>
{
=
String
::
new
();
{
(
t
)
=
item
.
get
(
"
text
"
)
.
and_then
(
|
x
|
x
.
as_str
())
{
);
Value
::
String
(
s
)
=
item
{
);
=>
None
,
,
&
[
LlmMessage
])
->
Vec
<
Value
>
{
=
Vec
::
new
();
{
()
{
.
push
(
json!
({
"
role
"
:
"
system
"
,
"
content
"
:
m
.
content
.
clone
()
.
unwrap_or_default
()})),
()
{
({
"
role
"
:
"
user
"
,
"
content
"
:
m
.
content
.
clone
()
.
unwrap_or_default
()}));
=
Vec
::
new
();
(
c
)
=
&
m
.
content
()
({
"
type
"
:
"
text
"
,
"
text
"
:
c
}));
(
&
m
.
images
));
({
"
role
"
:
"
user
"
,
"
content
"
:
parts
}));
=
json!
({
"
role
"
:
"
assistant
"
,
"
content
"
:
m
.
content
.
clone
()});
is_empty
()
{
<
Value
>
=
m
{
id
,
:
tc
.
name
,
"
arguments
"
:
tc
.
arguments
.
to_string
()}
=
json!
(
tcs
);
);
.
push
(
json!
({
tool_call_id
.
clone
()
.
unwrap_or_default
(),
content
.
clone
()
.
unwrap_or_default
()
,
,
,
],
],
<
&
mut
dyn
FnMut
(
&
str
)
>
,
>
{
cfg
(
"
{}
/chat/completions
"
,
cfg
.
base_url
.
trim_end_matches
(
'
/
'
)));
on_delta
.
is_some
();
=
json!
({
messages
),
max_tokens
,
()
{
=
json!
(
json!
({
:
t
.
name
,
"
description
"
:
t
.
description
,
"
parameters
"
:
t
.
parameters
}
<
_
>>
()
on_delta
.
expect
(
"
streaming implies on_delta
"
);
&
url
,
&
body
,
on_delta
);
post_json
(
cfg
,
&
url
,
&
body
)
?
;
resp
.
pointer
(
"
/choices/0/message
"
)
.
context
(
"
no choices[0].message in response
"
)
?.
clone
();
extract_text
(
msg
.
get
(
"
content
"
)
.
unwrap_or
(
&
Value
::
Null
));
=
Vec
::
new
();
(
arr
)
=
msg
.
get
(
"
tool_calls
"
)
.
and_then
(
|
v
|
v
.
as_array
())
{
{
tc
.
get
(
"
id
"
)
.
and_then
(
|
v
|
v
.
as_str
())
.
unwrap_or
(
""
)
.
to_string
();
tc
v
.
as_str
())
match
tc
.
pointer
(
"
/function/arguments
"
)
{
::
String
(
s
))
=>
serde_json
::
from_str
(
s
)
.
unwrap_or
(
Value
::
Null
),
=>
v
.
clone
(),
::
Null
,
{
id
,
name
,
arguments
});
{
content
,
tool_calls
})
,
,
,
dyn
FnMut
(
&
str
),
>
{
=
ureq
::
post
(
url
)
"
application/json
"
);
(
key
)
=
&
cfg
.
api_key
{
ApiFormat
::
Anthropic
{
set
(
"
x-api-key
"
,
key
)
.
set
(
"
anthropic-version
"
,
"
2023-06-01
"
);
.
azure_auth
{
set
(
"
api-key
"
,
key
);
set
(
"
Authorization
"
,
&
format!
(
"
Bearer
{
key
}
"
));
match
req
.
send_json
(
body
)
{
=>
r
,
Error
::
Status
(
code
,
r
))
=>
{
r
.
into_string
()
.
unwrap_or_default
();
}
from
{
url
}
:
{
body
}
"
);
=>
return
Err
(
e
.
into
()),
=
std
::
io
::
BufReader
::
new
(
resp
.
into_reader
());
=
Vec
::
new
();
=
String
::
new
();
:
HashMap
<
usize
,
(
String
,
String
,
String
)
>
=
HashMap
::
new
();
:
Vec
<
usize
>
=
Vec
::
new
();
reader
.
read_until
(
b
'
\
n
'
,
&
mut
buf
)
?
;
{
String
::
from_utf8_lossy
(
&
buf
);
line
.
trim
();
||
!
line
.
starts_with
(
"
data:
"
)
{
line
[
"
data:
"
.
len
()
..
]
.
trim
();
||
data
==
"
[DONE]
"
{
=
match
serde_json
::
from_str
(
data
)
{
=>
v
,
=>
continue
,
(
t
)
=
v
.
pointer
(
"
/choices/0/delta/content
"
)
.
and_then
(
|
x
|
x
.
as_str
())
{
);
(
arr
)
=
v
.
pointer
(
"
/choices/0/delta/tool_calls
"
)
.
and_then
(
|
x
|
x
.
as_array
())
{
{
tc
.
get
(
"
index
"
)
.
and_then
(
|
x
|
x
.
as_u64
())
.
unwrap_or
(
0
)
as
usize
;
slots
.
entry
(
index
)
.
or_insert_with
(
||
{
);
String
::
new
(),
String
::
new
())
(
id
)
=
tc
.
get
(
"
id
"
)
.
and_then
(
|
x
|
x
.
as_str
())
()
{
id
);
(
name
)
=
tc
.
pointer
(
"
/function/name
"
)
.
and_then
(
|
x
|
x
.
as_str
())
()
{
name
);
(
args
)
=
tc
.
pointer
(
"
/function/arguments
"
)
.
and_then
(
|
x
|
x
.
as_str
())
{
args
);
=
Vec
::
new
();
{
name
,
args
)
=
slots
.
remove
(
&
index
)
.
expect
(
"
slot present
"
);
{
{
(
&
args
)
.
unwrap_or
(
Value
::
Null
),
{
.
is_empty
()
{
None
}
else
{
Some
(
content
)
},
&
mut
Vec
<
Value
>
,
role
:
&
str
,
blocks
:
Vec
<
Value
>
)
{
(
last
)
=
out
.
last_mut
()
]
.
as_str
()
==
Some
(
role
)
(
arr
)
=
last
[
"
content
"
]
.
as_array_mut
()
{
{
);
({
"
role
"
:
role
,
"
content
"
:
blocks
}));
&
[
LlmMessage
])
->
Vec
<
Value
>
{
:
Vec
<
Value
>
=
Vec
::
new
();
:
Vec
<
Value
>
=
Vec
::
new
();
{
()
{
()
{
,
"
user
"
,
std
::
mem
::
take
(
&
mut
pending_results
));
=
Vec
::
new
();
(
c
)
=
&
m
.
content
()
{
({
"
type
"
:
"
text
"
,
"
text
"
:
c
}));
m
.
tool_calls
{
({
"
type
"
:
"
tool_use
"
,
"
id
"
:
tc
.
id
,
"
name
"
:
tc
.
name
,
"
input
"
:
tc
.
arguments
}));
()
{
,
"
assistant
"
,
blocks
);
({
tool_call_id
.
clone
()
.
unwrap_or_default
(),
content
.
clone
()
.
unwrap_or_default
()
()
{
=
std
::
mem
::
take
(
&
mut
pending_results
);
(
c
)
=
&
m
.
content
()
{
({
"
type
"
:
"
text
"
,
"
text
"
:
c
}));
,
m
,
image_anthropic_block
);
,
"
user
"
,
blocks
);
=
Vec
::
new
();
(
c
)
=
&
m
.
content
()
{
({
"
type
"
:
"
text
"
,
"
text
"
:
c
}));
,
m
,
image_anthropic_block
);
{
({
"
type
"
:
"
text
"
,
"
text
"
:
""
}));
,
"
user
"
,
blocks
);
()
{
,
"
user
"
,
std
::
mem
::
take
(
&
mut
pending_results
));
(
first
)
=
out
.
first
()
]
.
as_str
()
==
Some
(
"
assistant
"
)
{
json!
({
"
role
"
:
"
user
"
,
"
content
"
:
[{
"
type
"
:
"
text
"
,
"
text
"
:
"
(continued)
"
}]}));
,
,
,
],
],
<
&
mut
dyn
FnMut
(
&
str
)
>
,
>
{
format!
(
"
{}
/v1/messages
"
,
cfg
.
base_url
.
trim_end_matches
(
'
/
'
));
on_delta
.
is_some
();
=
json!
({
max_tokens
,
messages
),
()
{
=
json!
(
json!
({
"
name
"
:
t
.
name
,
"
description
"
:
t
.
description
,
"
input_schema
"
:
t
.
parameters
}))
<
_
>>
()
on_delta
.
expect
(
"
streaming implies on_delta
"
);
&
url
,
&
body
,
on_delta
);
post_json
(
cfg
,
&
url
,
&
body
)
?
;
resp
.
get
(
"
content
"
)
.
and_then
(
|
v
|
v
.
as_array
())
.
context
(
"
no content in response
"
)
?
;
=
String
::
new
();
=
Vec
::
new
();
{
"
type
"
)
.
and_then
(
|
v
|
v
.
as_str
())
{
=>
{
(
t
)
=
block
.
get
(
"
text
"
)
.
and_then
(
|
v
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v
.
as_str
())
{
);
=>
{
block
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get
(
"
id
"
)
.
and_then
(
|
v
|
v
.
as_str
())
.
unwrap_or
(
""
)
.
to_string
();
block
.
get
(
"
name
"
)
.
and_then
(
|
v
|
v
.
as_str
())
.
unwrap_or
(
""
)
.
to_string
();
block
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get
(
"
input
"
)
.
cloned
()
.
unwrap_or
(
Value
::
Null
);
{
id
,
name
,
arguments
:
input
});
{
.
is_empty
()
{
None
}
else
{
Some
(
content
)
},
,
,
,
dyn
FnMut
(
&
str
),
>
{
=
ureq
::
post
(
url
)
"
application/json
"
);
(
key
)
=
&
cfg
.
api_key
{
set
(
"
x-api-key
"
,
key
)
.
set
(
"
anthropic-version
"
,
"
2023-06-01
"
);
match
req
.
send_json
(
body
)
{
=>
r
,
Error
::
Status
(
code
,
r
))
=>
{
r
.
into_string
()
.
unwrap_or_default
();
}
from
{
url
}
:
{
body
}
"
);
=>
return
Err
(
e
.
into
()),
=
std
::
io
::
BufReader
::
new
(
resp
.
into_reader
());
=
Vec
::
new
();
=
String
::
new
();
:
Vec
<
(
String
,
String
,
String
)
>
=
Vec
::
new
();
reader
.
read_until
(
b
'
\
n
'
,
&
mut
buf
)
?
;
{
String
::
from_utf8_lossy
(
&
buf
);
line
.
trim
();
||
!
line
.
starts_with
(
"
data:
"
)
{
line
[
"
data:
"
.
len
()
..
]
.
trim
();
{
=
match
serde_json
::
from_str
(
data
)
{
=>
v
,
=>
continue
,
v
.
get
(
"
type
"
)
.
and_then
(
|
x
|
x
.
as_str
())
.
unwrap_or
(
""
);
v
.
pointer
(
"
/content_block
"
)
.
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()
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unwrap_or
(
Value
::
Null
);
"
type
"
)
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and_then
(
|
x
|
x
.
as_str
())
==
Some
(
"
tool_use
"
)
{
block
.
get
(
"
id
"
)
.
and_then
(
|
x
|
x
.
as_str
())
.
unwrap_or
(
""
)
.
to_string
();
block
.
get
(
"
name
"
)
.
and_then
(
|
x
|
x
.
as_str
())
.
unwrap_or
(
""
)
.
to_string
();
,
name
,
String
::
new
()));
v
.
pointer
(
"
/delta
"
)
.
cloned
()
.
unwrap_or
(
Value
::
Null
);
"
type
"
)
.
and_then
(
|
x
|
x
.
as_str
())
{
=>
{
(
t
)
=
delta
.
get
(
"
text
"
)
.
and_then
(
|
x
|
x
.
as_str
())
{
);
=>
{
(
pj
)
=
delta
.
get
(
"
partial_json
"
)
.
and_then
(
|
x
|
x
.
as_str
())
(
last
)
=
tool_blocks
.
last_mut
()
{
pj
);
=
Vec
::
new
();
,
args
)
in
tool_blocks
{
{
(
&
args
)
.
unwrap_or
(
Value
::
Null
),
{
.
is_empty
()
{
None
}
else
{
Some
(
content
)
},
&
mut
Vec
<
Value
>
,
role
:
&
str
,
parts
:
Vec
<
Value
>
)
{
(
last
)
=
out
.
last_mut
()
]
.
as_str
()
==
Some
(
role
)
(
arr
)
=
last
[
"
parts
"
]
.
as_array_mut
()
{
{
);
({
"
role
"
:
role
,
"
parts
"
:
parts
}));
&
Option
<
String
>
)
->
Value
{
({
"
result
"
:
""
}),
=>
serde_json
::
from_str
::
<
Value
>
(
s
)
.
unwrap_or_else
(
|
_
|
json!
({
"
result
"
:
s
})),
&
[
LlmMessage
])
->
Vec
<
Value
>
{
:
Vec
<
Value
>
=
Vec
::
new
();
:
Vec
<
Value
>
=
Vec
::
new
();
{
()
{
()
{
,
"
user
"
,
std
::
mem
::
take
(
&
mut
pending_fn
));
=
Vec
::
new
();
(
c
)
=
&
m
.
content
()
{
({
"
text
"
:
c
}));
m
.
tool_calls
{
({
"
functionCall
"
:
{
"
name
"
:
tc
.
name
,
"
args
"
:
tc
.
arguments
}}));
()
{
,
"
model
"
,
parts
);
m
.
name
.
clone
()
.
unwrap_or_default
();
({
"
functionResponse
"
:
{
"
name
"
:
name
,
"
response
"
:
parse_tool_content
(
&
m
.
content
)}}));
:
Vec
<
Value
>
=
std
::
mem
::
take
(
&
mut
pending_fn
);
(
c
)
=
&
m
.
content
()
{
({
"
text
"
:
c
}));
m
.
images
{
(
img
));
()
{
,
"
user
"
,
parts
);
()
{
,
"
user
"
,
std
::
mem
::
take
(
&
mut
pending_fn
));
,
,
,
],
],
<
&
mut
dyn
FnMut
(
&
str
)
>
,
>
{
cfg
.
base_url
.
trim_end_matches
(
'
/
'
)
.
to_string
();
{
"
,
cfg
.
name
);
on_delta
.
is_some
();
if
cfg
.
key_in_url
{
cfg
.
api_key
.
as_deref
()
.
context
(
"
missing Gemini API key (GOOGLE_API_KEY or GEMINI_API_KEY)
"
)
?
;
/models/
{
model
}
:streamGenerateContent?alt=sse&key=
{
key
}
"
)
/models/
{
model
}
:generateContent?key=
{
key
}
"
)
{
/models/
{
model
}
:streamGenerateContent?alt=sse
"
)
/models/
{
model
}
:generateContent
"
)
=
json!
({
messages
),
:
[{
"
text
"
:
system
}]},
:
cfg
.
max_tokens
},
()
{
=
json!
([{
json!
({
"
name
"
:
t
.
name
,
"
description
"
:
t
.
description
,
"
parameters
"
:
t
.
parameters
}))
<
_
>>
()
on_delta
.
expect
(
"
streaming implies on_delta
"
);
&
url
,
&
body
,
on_delta
);
post_json
(
cfg
,
&
url
,
&
body
)
?
;
resp
v
.
as_array
())
?
;
=
String
::
new
();
=
Vec
::
new
();
)
in
parts
.
iter
()
.
enumerate
()
{
(
t
)
=
part
.
get
(
"
text
"
)
.
and_then
(
|
v
|
v
.
as_str
())
{
);
(
fc
)
=
part
.
get
(
"
functionCall
"
)
{
fc
.
get
(
"
name
"
)
.
and_then
(
|
v
|
v
.
as_str
())
.
unwrap_or
(
""
)
.
to_string
();
fc
.
get
(
"
args
"
)
.
cloned
()
.
unwrap_or
(
Value
::
Null
);
{
id
:
format!
(
"
fc
{
i
}
"
),
name
,
arguments
:
args
});
{
.
is_empty
()
{
None
}
else
{
Some
(
content
)
},
,
,
,
dyn
FnMut
(
&
str
),
>
{
=
ureq
::
post
(
url
)
"
application/json
"
);
(
key
)
=
&
cfg
.
api_key
{
set
(
"
Authorization
"
,
&
format!
(
"
Bearer
{
key
}
"
));
match
req
.
send_json
(
body
)
{
=>
r
,
Error
::
Status
(
code
,
r
))
=>
{
r
.
into_string
()
.
unwrap_or_default
();
}
from
{
url
}
:
{
body
}
"
);
=>
return
Err
(
e
.
into
()),
=
std
::
io
::
BufReader
::
new
(
resp
.
into_reader
());
=
Vec
::
new
();
=
String
::
new
();
:
HashMap
<
usize
,
(
String
,
Value
)
>
=
HashMap
::
new
();
reader
.
read_until
(
b
'
\
n
'
,
&
mut
buf
)
?
;
{
String
::
from_utf8_lossy
(
&
buf
);
line
.
trim
();
||
!
line
.
starts_with
(
"
data:
"
)
{
line
[
"
data:
"
.
len
()
..
]
.
trim
();
{
=
match
serde_json
::
from_str
(
data
)
{
=>
v
,
=>
continue
,
parts
)
=
v
.
pointer
(
"
/candidates/0/content/parts
"
)
.
and_then
(
|
x
|
x
.
as_array
())
else
{
)
in
parts
.
iter
()
.
enumerate
()
{
(
t
)
=
part
.
get
(
"
text
"
)
.
and_then
(
|
x
|
x
.
as_str
())
{
);
(
fc
)
=
part
.
get
(
"
functionCall
"
)
{
fc
.
get
(
"
name
"
)
.
and_then
(
|
x
|
x
.
as_str
())
.
unwrap_or
(
""
)
.
to_string
();
fc
.
get
(
"
args
"
)
.
cloned
()
.
unwrap_or
(
Value
::
Null
);
,
(
name
,
args
));
=
Vec
::
new
();
:
Vec
<
usize
>
=
fcs
.
keys
()
.
copied
()
.
collect
();
{
arguments
)
=
fcs
.
remove
(
&
i
)
.
expect
(
"
key present
"
);
{
id
:
format!
(
"
fc
{
i
}
"
),
name
,
arguments
});
{
.
is_empty
()
{
None
}
else
{
Some
(
content
)
},
&
[
u8
])
->
String
{
=
Sha256
::
new
();
);
()
.
map
(
|
b
|
format!
(
"
{
b:02x
}
"
))
.
collect
()
&
[
u8
],
data
:
&
[
u8
])
->
Vec
<
u8
>
{
=
<
Hmac
<
Sha256
>
as
Mac
>
::
new_from_slice
(
key
)
.
expect
(
"
valid hmac key
"
);
);
()
.
to_vec
()
&
[
LlmMessage
])
->
Vec
<
Value
>
{
:
Vec
<
Value
>
=
Vec
::
new
();
:
Vec
<
Value
>
=
Vec
::
new
();
{
()
{
()
{
,
"
user
"
,
std
::
mem
::
take
(
&
mut
pending
));
=
Vec
::
new
();
(
c
)
=
&
m
.
content
()
{
({
"
text
"
:
c
}));
m
.
tool_calls
{
({
"
toolUse
"
:
{
"
toolUseId
"
:
tc
.
id
,
"
name
"
:
tc
.
name
,
"
input
"
:
tc
.
arguments
}}));
()
{
,
"
assistant
"
,
blocks
);
({
tool_call_id
.
clone
()
.
unwrap_or_default
(),
:
m
.
content
.
clone
()
.
unwrap_or_default
()}]
()
{
=
std
::
mem
::
take
(
&
mut
pending
);
(
c
)
=
&
m
.
content
()
{
({
"
text
"
:
c
}));
,
m
,
image_bedrock_block
);
,
"
user
"
,
blocks
);
=
Vec
::
new
();
(
c
)
=
&
m
.
content
()
{
({
"
text
"
:
c
}));
,
m
,
image_bedrock_block
);
{
({
"
text
"
:
""
}));
,
"
user
"
,
blocks
);
()
{
,
"
user
"
,
std
::
mem
::
take
(
&
mut
pending
));
&
ProviderConfig
,
url
:
&
str
,
body
:
&
Value
)
->
Result
<
Value
>
{
cfg
.
api_key
.
as_deref
()
.
context
(
"
missing AWS_ACCESS_KEY_ID
"
)
?
;
cfg
.
aws_secret_key
.
as_deref
()
.
context
(
"
missing AWS_SECRET_ACCESS_KEY
"
)
?
;
&
cfg
.
aws_region
;
serde_json
::
to_string
(
body
)
?
;
sha256_hex
(
body_str
.
as_bytes
());
chrono
::
Utc
::
now
();
now
.
format
(
"
%Y%m%dT%H%M%SZ
"
)
.
to_string
();
now
.
format
(
"
%Y%m%d
"
)
.
to_string
();
url
::
Url
::
parse
(
url
)
.
context
(
"
invalid URL
"
)
?
;
parsed
.
host_str
()
.
context
(
"
URL has no host
"
)
?.
to_string
();
parsed
.
path
()
.
to_string
();
format!
(
n
x-amz-content-sha256:
{
payload_hash
}
\
n
x-amz-date:
{
amz_date
}
\
n
"
"
content-type;host;x-amz-content-sha256;x-amz-date
"
;
format!
(
"
POST
\
n
{
path
}
\
n
\
n
{
canonical_headers
}
\
n
{
signed_headers
}
\
n
{
payload_hash
}
"
);
format!
(
"
{
date_stamp
}
/
{
region
}
/bedrock/aws4_request
"
);
format!
(
{
scope
}
\
n
{}
"
,
())
=
b
"
AWS4
"
.
to_vec
();
.
as_bytes
());
hmac_bytes
(
&
key
,
date_stamp
.
as_bytes
());
hmac_bytes
(
&
k_date
,
region
.
as_bytes
());
hmac_bytes
(
&
k_region
,
b
"
bedrock
"
);
hmac_bytes
(
&
k_service
,
b
"
aws4_request
"
);
hmac_bytes
(
&
k_signing
,
string_to_sign
.
as_bytes
())
format!
(
"
{
b:02x
}
"
))
>
();
format!
(
, SignedHeaders=
{
signed_headers
}
, Signature=
{
signature
}
"
=
ureq
::
post
(
url
)
"
application/json
"
)
&
amz_date
)
&
payload_hash
)
&
authorization
);
(
token
)
=
&
cfg
.
aws_session_token
{
set
(
"
X-Amz-Security-Token
"
,
token
);
match
req
.
send_json
(
body
)
{
=>
r
,
Error
::
Status
(
code
,
r
))
=>
{
r
.
into_string
()
.
unwrap_or_default
();
}
from
{
url
}
:
{
txt
}
"
);
=>
return
Err
(
e
.
into
()),
=
resp
.
into_json
()
.
context
(
"
invalid JSON response from Bedrock
"
)
?
;
(
err
)
=
v
.
get
(
"
error
"
)
{
}
"
);
,
,
,
],
],
<
&
mut
dyn
FnMut
(
&
str
)
>
,
>
{
format!
(
"
{}
/model/
{
model
}
/converse
"
,
cfg
.
base_url
.
trim_end_matches
(
'
/
'
));
=
json!
({
:
system
}],
messages
),
:
cfg
.
max_tokens
},
()
{
=
json!
({
json!
({
"
toolSpec
"
:
{
"
name
"
:
t
.
name
,
"
description
"
:
t
.
description
,
"
inputSchema
"
:
t
.
parameters
}}))
<
_
>>
()
post_bedrock
(
cfg
,
&
url
,
&
body
)
?
;
resp
.
pointer
(
"
/output/message
"
)
.
context
(
"
no output.message in response
"
)
?.
clone
();
=
String
::
new
();
=
Vec
::
new
();
(
arr
)
=
message
.
get
(
"
content
"
)
.
and_then
(
|
v
|
v
.
as_array
())
{
{
(
t
)
=
block
.
get
(
"
text
"
)
.
and_then
(
|
v
|
v
.
as_str
())
{
);
(
tu
)
=
block
.
get
(
"
toolUse
"
)
{
tu
.
get
(
"
toolUseId
"
)
.
and_then
(
|
v
|
v
.
as_str
())
.
unwrap_or
(
""
)
.
to_string
();
tu
.
get
(
"
name
"
)
.
and_then
(
|
v
|
v
.
as_str
())
.
unwrap_or
(
""
)
.
to_string
();
tu
.
get
(
"
input
"
)
.
cloned
()
.
unwrap_or
(
Value
::
Null
);
{
id
,
name
,
arguments
:
input
});
{
.
is_empty
()
{
None
}
else
{
Some
(
content
)
},
impl
Into
<
String
>
)
->
anyhow
::
Error
{
())
&
err
(
"
HTTP 429 from https://api.example.com: rate limited
"
)));
&
err
(
"
HTTP 500 from https://api.example.com: boom
"
)));
&
err
(
"
HTTP 503 from https://api.example.com: unavailable
"
)));
(
&
err
(
"
HTTP 400 from https://api.example.com: bad request
"
)));
(
&
err
(
"
HTTP 401 from https://api.example.com: unauthorized
"
)));
(
&
err
(
"
HTTP 404 from https://api.example.com: not found
"
)));
&
err
(
"
API error: {
\
"
error
\
"
:{
\
"
message
\
"
:
\
"
The server is overloaded, try again later
\
"
}}
"
)));
&
err
(
"
API error: rate limit exceeded
"
)));
&
err
(
"
upstream error
"
)));
(
&
err
(
"
Missing credentials for provider 'openai'
"
)));
(
&
err
(
"
API error: {
\
"
error
\
"
:{
\
"
message
\
"
:
\
"
invalid_api_key
\
"
}}
"
)));
(
&
err
(
"
context window exceeded
"
)));
3
);
<<
1
,
4000
);
<<
2
,
8000
);
<<
3
,
16000
);