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ca22196 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 | import os
from functools import lru_cache
from typing import Any
import requests
from crewai import LLM
from dotenv import load_dotenv
load_dotenv()
OPENROUTER_BASE_URL = "https://openrouter.ai/api/v1"
OPENCODE_GO_OPENAI_BASE_URL = "https://opencode.ai/zen/go/v1"
OPENCODE_GO_ANTHROPIC_BASE_URL = "https://opencode.ai/zen/go"
OPENCODE_GO_MODELS_URL = "https://opencode.ai/zen/go/v1/models"
DEFAULT_OPENROUTER_MODEL = "moonshotai/kimi-k2:free"
DEFAULT_OPENCODE_GO_MODEL = "deepseek-v4-flash"
def _env_bool(name: str, default: bool = False) -> bool:
value = os.getenv(name)
if value is None:
return default
return value.strip().lower() in {"1", "true", "yes", "y", "on"}
def _env_required(name: str) -> str:
value = os.getenv(name)
if not value:
raise RuntimeError(f"Missing required environment variable: {name}")
return value
def _opencode_model_id(model: str) -> str:
return model.removeprefix("opencode-go/").strip()
def _openrouter_model_id(model: str) -> str:
model = model.strip()
if model.startswith("openrouter/"):
return model
return f"openrouter/{model}"
def _strings_from(value: Any) -> list[str]:
if isinstance(value, str):
return [value.lower()]
if isinstance(value, dict):
strings: list[str] = []
for item in value.values():
strings.extend(_strings_from(item))
return strings
if isinstance(value, list):
strings = []
for item in value:
strings.extend(_strings_from(item))
return strings
return []
@lru_cache(maxsize=32)
def _opencode_go_api_style(model: str, api_key: str) -> str:
configured = os.getenv("OPENCODE_GO_API_STYLE", "auto").strip().lower()
if configured in {"openai", "anthropic"}:
return configured
if configured != "auto":
raise RuntimeError("OPENCODE_GO_API_STYLE must be auto, openai, or anthropic")
model_id = _opencode_model_id(model)
try:
response = requests.get(
OPENCODE_GO_MODELS_URL,
headers={"Authorization": f"Bearer {api_key}"},
timeout=5,
)
response.raise_for_status()
payload = response.json()
models = payload.get("data", payload) if isinstance(payload, dict) else payload
if isinstance(models, list):
for item in models:
if not isinstance(item, dict):
continue
ids = {
str(item.get("id", "")),
str(item.get("model", "")),
str(item.get("name", "")),
}
if model_id not in ids and f"opencode-go/{model_id}" not in ids:
continue
details = " ".join(_strings_from(item))
if "messages" in details or "anthropic" in details:
return "anthropic"
if (
"chat/completions" in details
or "openai" in details
or "alibaba" in details
):
return "openai"
except requests.RequestException:
pass
if model_id.startswith("minimax-"):
return "anthropic"
return "openai"
def create_llm() -> LLM:
temperature = float(os.getenv("LLM_TEMPERATURE", "0.2"))
timeout = int(os.getenv("LLM_TIMEOUT", "300"))
if _env_bool("USE_OPENROUTER", default=False):
return LLM(
model=_openrouter_model_id(
os.getenv("OPENROUTER_MODEL", DEFAULT_OPENROUTER_MODEL)
),
api_base=OPENROUTER_BASE_URL,
api_key=_env_required("OPENROUTER_API_KEY"),
temperature=temperature,
timeout=timeout,
)
api_key = _env_required("OPENCODE_GO_API_KEY")
model = _opencode_model_id(os.getenv("OPENCODE_GO_MODEL", DEFAULT_OPENCODE_GO_MODEL))
api_style = _opencode_go_api_style(model, api_key)
if api_style == "anthropic":
return LLM(
model=f"anthropic/{model}",
api_base=OPENCODE_GO_ANTHROPIC_BASE_URL,
api_key=api_key,
temperature=temperature,
timeout=timeout,
)
return LLM(
model=f"openai/{model}",
api_base=OPENCODE_GO_OPENAI_BASE_URL,
api_key=api_key,
temperature=temperature,
timeout=timeout,
)
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