Utilização
Guias e padrões para trabalhar com o SDK de Python da TypeSafe.
Chamar a API de System One
import asyncio
from typesafe_sdk import AsyncTypeSafeClient, Choice, Noul, Score
async def main() -> None:
async with AsyncTypeSafeClient() as client:
result = await client.system_one(
"I was charged twice. Please help ASAP.",
{
"billing": Noul(instructions="Is this about billing?"),
"tone": Choice(
instructions="What is the tone?",
criteria={"calm": None, "angry": None},
),
"urgency": Score(
instructions="How urgent is this?",
criteria=["low", "medium", "high"],
),
},
)
print(
result.nouls["billing"].noul,
result.choices["tone"].choice,
result.scores["urgency"].score,
)
asyncio.run(main())from typesafe_sdk import Choice, Noul, Score, TypeSafeClient
client = TypeSafeClient()
state = "I was charged twice. Please help ASAP."
questions = {
"billing": Noul(instructions="Is this about billing?"),
"tone": Choice(
instructions="What is the tone?", criteria={"calm": None, "angry": None}
),
"urgency": Score(
instructions="How urgent is this?", criteria=["low", "medium", "high"]
),
}
result = client.system_one(state, questions)
print(
result.nouls["billing"].noul,
result.choices["tone"].choice,
result.scores["urgency"].score,
)Respostas de system_one tipadas
É possível fornecer um modelo de resposta a system_one para tornar a utilização da resposta mais segura em termos de tipos:
import asyncio
from typesafe_sdk import AsyncTypeSafeClient, Noul, NoulAnswer, SystemOneResponse
class BillingResponse(SystemOneResponse):
billing: NoulAnswer
async def main() -> None:
async with AsyncTypeSafeClient() as client:
result = await client.system_one(
"I was charged twice.",
{"billing": Noul(instructions="Is this about billing?")},
response_model=BillingResponse,
)
assert 0 <= result.billing.noul <= 1
assert result.billing == result.nouls["billing"]
print(result.request_id)
asyncio.run(main())from typesafe_sdk import Noul, NoulAnswer, SystemOneResponse, TypeSafeClient
class BillingResponse(SystemOneResponse):
billing: NoulAnswer
with TypeSafeClient() as client:
result = client.system_one(
"I was charged twice.",
{"billing": Noul(instructions="Is this about billing?")},
response_model=BillingResponse,
)
assert 0 <= result.billing.noul <= 1
assert result.billing == result.nouls["billing"]
print(result.request_id)Tipos de resposta personalizados
Também é possível definir um modelo de resposta completamente novo sem herdar de SystemOneResponse:
import asyncio
from pydantic import BaseModel
from typesafe_sdk import AsyncTypeSafeClient, Noul, NoulAnswer
class BillingAnswers(BaseModel):
billing: NoulAnswer
class BillingResponse(BaseModel):
answers: BillingAnswers
async def main() -> None:
async with AsyncTypeSafeClient() as client:
result = await client.system_one(
"I was charged twice.",
{"billing": Noul(instructions="Is this about billing?")},
response_model=BillingResponse,
)
assert 0 <= result.answers.billing.noul <= 1
asyncio.run(main())from pydantic import BaseModel
from typesafe_sdk import Noul, NoulAnswer, TypeSafeClient
class BillingAnswers(BaseModel):
billing: NoulAnswer
class BillingResponse(BaseModel):
answers: BillingAnswers
result = TypeSafeClient().system_one(
"I was charged twice.",
{"billing": Noul(instructions="Is this about billing?")},
response_model=BillingResponse,
)
assert 0 <= result.answers.billing.noul <= 1Escolher um modelo
Inspecione os modelos disponíveis:
import asyncio
from typesafe_sdk import AsyncTypeSafeClient
async def main() -> None:
async with AsyncTypeSafeClient() as client:
print(await client.models.list())
asyncio.run(main())from typesafe_sdk import TypeSafeClient
print(TypeSafeClient().models.list())Selecione o modelo ao construir um cliente:
client = AsyncTypeSafeClient(model="jev")client = TypeSafeClient(model="jev")Consulte a referência do recurso Models para obter mais detalhes.
Configurar o URL base
Para usar o SDK com um URL de API diferente, defina base_url no cliente ou a variável de ambiente TYPESAFE_BASE_URL. Isto exige que a API alternativa siga a especificação OpenAPI da TypeSafe.
Por exemplo, ligue através de uma gateway de IA usando a sua chave de API e ID de modelo.
Use uma chave de API da OpenRouter e um ID de modelo da OpenRouter:
import asyncio
import os
from typesafe_sdk import AsyncTypeSafeClient, Noul
async def main() -> None:
async with AsyncTypeSafeClient(
api_key=os.environ["OPENROUTER_API_KEY"],
base_url="https://openrouter.ai/api",
model="~typesafe/jev-latest",
) as client:
result = await client.system_one(
"I was charged twice.",
{"billing": Noul(instructions="Is this about billing?")},
)
print(result.nouls["billing"].noul)
asyncio.run(main())import os
from typesafe_sdk import Noul, TypeSafeClient
with TypeSafeClient(
api_key=os.environ["OPENROUTER_API_KEY"],
base_url="https://openrouter.ai/api",
model="~typesafe/jev-latest",
) as client:
result = client.system_one(
"I was charged twice.",
{"billing": Noul(instructions="Is this about billing?")},
)
print(result.nouls["billing"].noul)A API compatível com a TypeSafe da Vercel pode ser usada com o SDK:
import asyncio
import os
from typesafe_sdk import AsyncTypeSafeClient, Noul
async def main() -> None:
async with AsyncTypeSafeClient(
api_key=os.environ["AI_GATEWAY_API_KEY"],
base_url="https://ai-gateway.vercel.sh/typesafe",
model="typesafe-ai/jev",
) as client:
result = await client.system_one(
"I was charged twice.",
{"billing": Noul(instructions="Is this about billing?")},
)
print(result.nouls["billing"].noul)
asyncio.run(main())import os
from typesafe_sdk import Noul, TypeSafeClient
with TypeSafeClient(
api_key=os.environ["AI_GATEWAY_API_KEY"],
base_url="https://ai-gateway.vercel.sh/typesafe",
model="typesafe-ai/jev",
) as client:
result = client.system_one(
"I was charged twice.",
{"billing": Noul(instructions="Is this about billing?")},
)
print(result.nouls["billing"].noul)Use uma chave de API da Pydantic AI Gateway:
import asyncio
import os
from typesafe_sdk import AsyncTypeSafeClient, Noul
async def main() -> None:
async with AsyncTypeSafeClient(
api_key=os.environ["PYDANTIC_AI_GATEWAY_API_KEY"],
base_url="https://gateway-us.pydantic.dev/proxy/typesafe",
model="jev-latest",
) as client:
result = await client.system_one(
"I was charged twice.",
{"billing": Noul(instructions="Is this about billing?")},
)
print(result.nouls["billing"].noul)
asyncio.run(main())import os
from typesafe_sdk import Noul, TypeSafeClient
with TypeSafeClient(
api_key=os.environ["PYDANTIC_AI_GATEWAY_API_KEY"],
base_url="https://gateway-us.pydantic.dev/proxy/typesafe",
model="jev-latest",
) as client:
result = client.system_one(
"I was charged twice.",
{"billing": Noul(instructions="Is this about billing?")},
)
print(result.nouls["billing"].noul)HTTP/2
import httpx2
from typesafe_sdk import AsyncTypeSafeClient
client = AsyncTypeSafeClient(http_client=httpx2.AsyncClient(http2=True))import httpx2
from typesafe_sdk import TypeSafeClient
client = TypeSafeClient(http_client=httpx2.Client(http2=True))Reintentos
Passe um RetryPolicy personalizado como retry no cliente ou por chamada. As chaves de API inválidas lançam TypeSafeError durante a criação do cliente, antes de qualquer pedido ou reintento.
No cliente:
from typesafe_sdk import AsyncTypeSafeClient, RetryPolicy
client = AsyncTypeSafeClient(
retry=RetryPolicy(max_retries=3, backoff_max=0.2, timeout=1.0)
)from typesafe_sdk import RetryPolicy, TypeSafeClient
client = TypeSafeClient(retry=RetryPolicy(max_retries=3, backoff_max=0.2, timeout=1.0))Por chamada:
import asyncio
from typesafe_sdk import AsyncTypeSafeClient, RetryPolicy
async def main() -> None:
async with AsyncTypeSafeClient() as client:
await client.system_one(
state,
questions,
retry=RetryPolicy(max_retries=3, backoff_max=0.2, timeout=1.0),
)
asyncio.run(main())from typesafe_sdk import RetryPolicy
client.system_one(
state, questions, retry=RetryPolicy(max_retries=3, backoff_max=0.2, timeout=1.0)
)Tratamento de erros
Trate as exceções lançadas pelo SDK:
import asyncio
from typesafe_sdk import AsyncTypeSafeClient, TypeSafeAPIError
async def main() -> None:
async with AsyncTypeSafeClient() as client:
try:
await client.system_one(state, questions)
except TypeSafeAPIError as error:
print(error.status, error.request_id)
asyncio.run(main())from typesafe_sdk import TypeSafeAPIError
try:
client.system_one(state, questions)
except TypeSafeAPIError as error:
print(error.status, error.request_id)Registo
O SDK escreve registos no logger typesafe_sdk. Configure-o de acordo com o guia de registo padrão:
import logging
logging.getLogger("typesafe_sdk").setLevel(logging.DEBUG)
Ou defina TYPESAFE_LOG_LEVEL como um de debug, info, warning, error ou off antes de importar o SDK.
info regista uma linha de resumo por pedido; debug regista também os cabeçalhos e os corpos dos pedidos e das respostas. Os cabeçalhos secretos — autorização, chaves de API, cookies e qualquer cabeçalho cujo nome contenha token ou secret — são ocultados da saída de registo. Os corpos dos pedidos e das respostas não são ocultados.
Variáveis de ambiente
O SDK lê e usa as seguintes variáveis de ambiente:
| Variável | Configura | Predefinição |
|---|---|---|
TYPESAFE_API_KEY |
Chave de API (obrigatória) | — |
TYPESAFE_BASE_URL |
URL raiz da API | https://api.typesafe.ai |
TYPESAFE_DEFAULT_MODEL |
Modelo predefinido | jev-latest |
TYPESAFE_LOG_LEVEL |
Nível do logger typesafe_sdk, aplicado uma vez na importação |
não definido |
Consulte a referência de constantes para as predefinições do SDK.
As chaves de API fornecidas através de api_key ou TYPESAFE_API_KEY têm os espaços em branco iniciais e finais removidos, incluindo as quebras de linha dos ficheiros de chaves. As chaves vazias, os espaços internos, os caracteres de controlo e os caracteres não ASCII são rejeitados antes de enviar um pedido. Uma chave explicitamente vazia não recorre à variável de ambiente.
Compatibilidade futura
O SDK continua a funcionar à medida que a API TypeSafe evolui, para que possa adotar novas funcionalidades da API antes de uma versão do SDK lhes adicionar suporte de primeira classe.
Campos de pedido adicionais
Envie campos de pedido adicionais da API com extra_body. O campo beam_width abaixo é ilustrativo; envie apenas campos suportados pela API.
import asyncio
from typesafe_sdk import AsyncTypeSafeClient, Noul
async def main() -> None:
async with AsyncTypeSafeClient() as client:
await client.system_one(
"I was charged twice.",
{"billing": Noul(instructions="About billing?")},
extra_body={"beam_width": 4},
)
asyncio.run(main())from typesafe_sdk import Noul, TypeSafeClient
with TypeSafeClient() as client:
client.system_one(
"I was charged twice.",
{"billing": Noul(instructions="About billing?")},
extra_body={"beam_width": 4},
)Dicionários de perguntas em bruto
import asyncio
from typesafe_sdk import AsyncTypeSafeClient
async def main() -> None:
async with AsyncTypeSafeClient() as client:
await client.system_one(
"I was charged twice.",
{
"billing": {
"type": "noul",
"instructions": "About billing?",
"weight": 2,
}
},
)
asyncio.run(main())from typesafe_sdk import TypeSafeClient
with TypeSafeClient() as client:
client.system_one(
"I was charged twice.",
{"billing": {"type": "noul", "instructions": "About billing?", "weight": 2}},
)Tipos de resposta desconhecidos
O SDK regista um aviso e ignora tipos de resposta não reconhecidos. Use raw_http_response para inspecionar a resposta completa da API, incluindo essas respostas:
import asyncio
from typesafe_sdk import AsyncTypeSafeClient, Noul
async def main() -> None:
async with AsyncTypeSafeClient() as client:
result = await client.system_one(
"I was charged twice.",
{"billing": Noul(instructions="Is this about billing?")},
)
print(result.raw_http_response.json()["answers"])
asyncio.run(main())from typesafe_sdk import Noul, TypeSafeClient
result = TypeSafeClient().system_one(
"I was charged twice.",
{"billing": Noul(instructions="Is this about billing?")},
)
raw_answers = result.raw_http_response.json()["answers"]Campos de resposta desconhecidos
Os campos extra desconhecidos em respostas reconhecidas são ignorados.