SolitaryThinker
a9e5f6ee7a
Directory rename (git mv, history preserved) plus rewrite of all references: absolute imports in tests, the zero-dep runner, docstrings, comments, and the README. No behavior change. Run: python3 -m pytest v2/tests/ -q ; python3 v2/run_tests.py ; python3 -m v2.examples
98 lines
3.6 KiB
Python
98 lines
3.6 KiB
Python
"""Request + Session — the only currency crossing the product boundary (design_v3 §12).
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"A typed ``Request`` carries ``task`` (declared, never inferred), ``inputs``
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(ModalParts), AR ``sampling`` vs ``diffusion`` params, an ``OutputSpec``, and
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per-node overrides." Products construct Requests; they never reach into the model.
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"""
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from __future__ import annotations
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import itertools
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from dataclasses import dataclass, field
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from .cancel import CancelKind, CancelScope
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from .modalpart import ImagePart, ModalPart, TextPart
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from .params import DiffusionParams, OutputSpec, SamplingParams
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from .streams import Stream
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from .tasks import TaskType
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_counter = itertools.count(1)
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def new_request_id() -> str:
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return f"req-{next(_counter)}"
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@dataclass(frozen=True)
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class Request:
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request_id: str
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task: TaskType
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model_id: str # which ModelCard to run
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inputs: tuple[ModalPart, ...] = ()
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sampling: SamplingParams = field(default_factory=SamplingParams)
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diffusion: DiffusionParams = field(default_factory=DiffusionParams)
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outputs: OutputSpec = field(default_factory=OutputSpec)
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node_params: dict[str, dict] = field(default_factory=dict) # per graph-node overrides
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priority: int = 0
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# --- convenience accessors (do not infer task from these; §12) ---
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def prompt(self) -> str:
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for p in self.inputs:
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if isinstance(p, TextPart):
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return p.text
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return ""
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def image(self):
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for p in self.inputs:
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if isinstance(p, ImagePart):
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return p
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return None
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def node_override(self, node_id: str) -> dict:
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return self.node_params.get(node_id, {})
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def make_request(task: TaskType, model_id: str, prompt: str = "", *,
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inputs: tuple[ModalPart, ...] | None = None,
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sampling: SamplingParams | None = None,
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diffusion: DiffusionParams | None = None,
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outputs: OutputSpec | None = None,
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node_params: dict[str, dict] | None = None,
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priority: int = 0,
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request_id: str | None = None) -> Request:
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"""Ergonomic constructor used by the offline API and tests."""
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parts: tuple[ModalPart, ...] = inputs if inputs is not None else ((TextPart(prompt),) if prompt else ())
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return Request(
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request_id=request_id or new_request_id(),
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task=task, model_id=model_id, inputs=parts,
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sampling=sampling or SamplingParams(),
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diffusion=diffusion or DiffusionParams(),
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outputs=outputs or OutputSpec(),
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node_params=node_params or {},
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priority=priority,
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)
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@dataclass
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class Session:
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"""A long-lived interactive context (design_v3 §12, §15e Dreamverse).
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Holds prompt memory, media streams, a cancel scope, and a handle to
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cross-request chunk-KV that persists for a game/scene session (self-forcing /
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world-model rollout). Mutable by design.
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"""
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session_id: str
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prompt_memory: list[str] = field(default_factory=list)
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streams: dict[str, Stream] = field(default_factory=dict)
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cancel_scope: CancelScope | None = None
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kv_handle: object | None = None # persistent chunk-KV CacheHandle (see cache/)
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def __post_init__(self):
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if self.cancel_scope is None:
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self.cancel_scope = CancelScope(kind=CancelKind.SESSION, target_id=self.session_id)
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def push_text(self, text: str) -> None:
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self.prompt_memory.append(text)
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def stream(self, name: str) -> Stream:
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return self.streams.setdefault(name, Stream(f"{self.session_id}:{name}"))
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