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feat(py): middleware v2 implementation #4982

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75fd49f
feat(py): middleware v2 implementation
huangjeff5 Mar 23, 2026
070402a
format
huangjeff5 Mar 24, 2026
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26 changes: 13 additions & 13 deletions py/packages/genkit/src/genkit/_ai/_aio.py
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Original file line number Diff line number Diff line change
Expand Up @@ -50,11 +50,11 @@
Message,
ModelConfig,
ModelFn,
ModelMiddleware,
ModelResponse,
ModelResponseChunk,
define_model,
)
from genkit._core._middleware._base import BaseMiddleware
from genkit._ai._prompt import (
ExecutablePrompt,
ModelStreamResponse,
Expand Down Expand Up @@ -395,7 +395,7 @@ def define_prompt(
metadata: dict[str, object] | None = None,
tools: list[str] | None = None,
tool_choice: ToolChoice | None = None,
use: list[ModelMiddleware] | None = None,
use: list[BaseMiddleware] | None = None,
docs: list[Document] | None = None,
input_schema: type[InputT],
output_schema: type[OutputT],
Expand Down Expand Up @@ -423,7 +423,7 @@ def define_prompt(
metadata: dict[str, object] | None = None,
tools: list[str] | None = None,
tool_choice: ToolChoice | None = None,
use: list[ModelMiddleware] | None = None,
use: list[BaseMiddleware] | None = None,
docs: list[Document] | None = None,
input_schema: type[InputT],
output_schema: dict[str, object] | str | None = None,
Expand Down Expand Up @@ -451,7 +451,7 @@ def define_prompt(
metadata: dict[str, object] | None = None,
tools: list[str] | None = None,
tool_choice: ToolChoice | None = None,
use: list[ModelMiddleware] | None = None,
use: list[BaseMiddleware] | None = None,
docs: list[Document] | None = None,
input_schema: dict[str, object] | str | None = None,
output_schema: type[OutputT],
Expand Down Expand Up @@ -479,7 +479,7 @@ def define_prompt(
metadata: dict[str, object] | None = None,
tools: list[str] | None = None,
tool_choice: ToolChoice | None = None,
use: list[ModelMiddleware] | None = None,
use: list[BaseMiddleware] | None = None,
docs: list[Document] | None = None,
input_schema: dict[str, object] | str | None = None,
output_schema: dict[str, object] | str | None = None,
Expand All @@ -505,7 +505,7 @@ def define_prompt(
metadata: dict[str, object] | None = None,
tools: list[str] | None = None,
tool_choice: ToolChoice | None = None,
use: list[ModelMiddleware] | None = None,
use: list[BaseMiddleware] | None = None,
docs: list[Document] | None = None,
input_schema: type | dict[str, object] | str | None = None,
output_schema: type | dict[str, object] | str | None = None,
Expand Down Expand Up @@ -753,7 +753,7 @@ async def generate(
output_content_type: str | None = None,
output_instructions: str | None = None,
output_constrained: bool | None = None,
use: list[ModelMiddleware] | None = None,
use: list[BaseMiddleware] | None = None,
docs: list[Document] | None = None,
) -> ModelResponse[OutputT]: ...

Expand All @@ -778,7 +778,7 @@ async def generate(
output_content_type: str | None = None,
output_instructions: str | None = None,
output_constrained: bool | None = None,
use: list[ModelMiddleware] | None = None,
use: list[BaseMiddleware] | None = None,
docs: list[Document] | None = None,
) -> ModelResponse[Any]: ...

Expand All @@ -801,7 +801,7 @@ async def generate(
output_content_type: str | None = None,
output_instructions: str | None = None,
output_constrained: bool | None = None,
use: list[ModelMiddleware] | None = None,
use: list[BaseMiddleware] | None = None,
docs: list[Document] | None = None,
) -> ModelResponse[Any]:
"""Generate text or structured data using a language model."""
Expand Down Expand Up @@ -852,7 +852,7 @@ def generate_stream(
output_content_type: str | None = None,
output_instructions: str | None = None,
output_constrained: bool | None = None,
use: list[ModelMiddleware] | None = None,
use: list[BaseMiddleware] | None = None,
docs: list[Document] | None = None,
timeout: float | None = None,
) -> ModelStreamResponse[OutputT]: ...
Expand All @@ -877,7 +877,7 @@ def generate_stream(
output_content_type: str | None = None,
output_instructions: str | None = None,
output_constrained: bool | None = None,
use: list[ModelMiddleware] | None = None,
use: list[BaseMiddleware] | None = None,
docs: list[Document] | None = None,
timeout: float | None = None,
) -> ModelStreamResponse[Any]: ...
Expand All @@ -900,7 +900,7 @@ def generate_stream(
output_content_type: str | None = None,
output_instructions: str | None = None,
output_constrained: bool | None = None,
use: list[ModelMiddleware] | None = None,
use: list[BaseMiddleware] | None = None,
docs: list[Document] | None = None,
timeout: float | None = None,
) -> ModelStreamResponse[Any]:
Expand Down Expand Up @@ -1141,7 +1141,7 @@ async def generate_operation(
output_content_type: str | None = None,
output_instructions: str | None = None,
output_constrained: bool | None = None,
use: list[ModelMiddleware] | None = None,
use: list[BaseMiddleware] | None = None,
docs: list[Document] | None = None,
) -> Operation:
"""Generate content using a long-running model, returning an Operation to poll."""
Expand Down
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