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"""Surface-renaming generation using the verbatim original prompts."""
from __future__ import annotations
import re
from dataclasses import dataclass
from typing import Literal
from .clients import JsonLLM
from .models import CanonicalItem, ModelCallRecord
from .prompts import surface_system, surface_user
from .store import RunStore
SurfaceFamily = Literal[
"descriptive_long",
"descriptive_long_confusing",
"descriptive_long_misleading",
"garbled_string",
]
SURFACE_FAMILIES: tuple[SurfaceFamily, ...] = (
"descriptive_long",
"descriptive_long_confusing",
"descriptive_long_misleading",
"garbled_string",
)
IDENTIFIER_RE = re.compile(r"^[a-z]{8,}$")
def apply_rename_map(text: str, rename_map: dict[str, str]) -> str:
"""Apply symbol renames without replacing letters inside other tokens."""
rendered = text
for source in sorted(rename_map, key=len, reverse=True):
pattern = re.escape(source)
if source[0].isalnum():
pattern = rf"(?<![A-Za-z0-9_]){pattern}"
if source[-1].isalnum():
pattern = rf"{pattern}(?![A-Za-z0-9_])"
rendered = re.sub(
pattern,
lambda _match, replacement=rename_map[source]: replacement,
rendered,
)
return rendered
@dataclass(frozen=True)
class SurfaceVariant:
family: SurfaceFamily
rename_map: dict[str, str]
question: str
solution: str
def as_release_payload(self) -> dict[str, object]:
return {
"map": dict(self.rename_map),
"question": self.question,
"solution": self.solution,
}
def validate_surface_variant(
item: CanonicalItem,
*,
rename_map: dict[str, str],
question: str,
solution: str,
) -> None:
expected = set(item.variables + item.parameters)
if set(rename_map) != expected:
raise ValueError(
"rename map must contain every var and param exactly once; "
f"expected {sorted(expected)}, received {sorted(rename_map)}"
)
if len(rename_map.values()) != len(set(rename_map.values())):
raise ValueError("surface replacements must be one-to-one")
forbidden = expected | set(item.scientific_constants)
for replacement in rename_map.values():
if replacement in forbidden:
raise ValueError(f"replacement {replacement!r} collides with input symbols")
if not IDENTIFIER_RE.fullmatch(replacement):
raise ValueError(
f"replacement {replacement!r} violates the original prompt contract"
)
if not question.strip() or not solution.strip():
raise ValueError("surface question and solution must be non-empty")
expected_question = apply_rename_map(item.problem, rename_map)
expected_solution = apply_rename_map(item.solution, rename_map)
if question != expected_question or solution != expected_solution:
raise ValueError(
"surface text must be the exact deterministic rename of the "
"canonical question and solution"
)
class SurfacePipeline:
def __init__(self, proposer: JsonLLM, store: RunStore) -> None:
self.proposer = proposer
self.store = store
async def run_family(
self,
item: CanonicalItem,
family: SurfaceFamily,
) -> SurfaceVariant:
request_id = f"{item.item_id}.surface.{family}"
system_prompt = surface_system(family)
user_prompt = surface_user(item)
response = await self.proposer.generate_json(
system_prompt=system_prompt,
user_prompt=user_prompt,
request_id=request_id,
)
self.store.write_call(
ModelCallRecord(
request_id=request_id,
model=response.model,
system_prompt=system_prompt,
user_prompt=user_prompt,
response_data=response.data,
raw_text=response.raw_text,
provider_response_id=response.response_id,
usage=response.usage,
)
)
rename_map = {
str(old): str(new)
for old, new in dict(response.data["map"]).items()
}
question = apply_rename_map(item.problem, rename_map)
solution = apply_rename_map(item.solution, rename_map)
validate_surface_variant(
item,
rename_map=rename_map,
question=question,
solution=solution,
)
variant = SurfaceVariant(
family=family,
rename_map=rename_map,
question=question,
solution=solution,
)
self.store.write_stage(
f"surface_{family}_variant",
variant.as_release_payload(),
request_id=request_id,
)
return variant
async def run_all(
self,
item: CanonicalItem,
) -> dict[SurfaceFamily, SurfaceVariant]:
output: dict[SurfaceFamily, SurfaceVariant] = {}
for family in SURFACE_FAMILIES:
output[family] = await self.run_family(item, family)
return output
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