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https://ghfast.top/https://github.com/aeroxw/tick-stock-panel.git
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53 lines
1.3 KiB
Python
53 lines
1.3 KiB
Python
"""Stable, small-grained contracts for in-repository secondary development."""
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from __future__ import annotations
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from abc import ABC, abstractmethod
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from dataclasses import dataclass
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from pathlib import Path
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from typing import Any, Protocol
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BACKEND_EXTENSION_API_VERSION = 1
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class RepositoryAccess(Protocol):
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"""Read-oriented repository surface exposed to backend extensions."""
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def get_name_map(self, symbols: list[str] | None = None) -> dict[str, str]: ...
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@dataclass(frozen=True)
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class ExtensionContext:
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api_version: int
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data_dir: Path
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repository: RepositoryAccess
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@dataclass(frozen=True)
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class NotificationFormatContext:
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api_version: int
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class NotificationFormatter(ABC):
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"""Customize notification copy without changing the event schema or semantics."""
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api_version = BACKEND_EXTENSION_API_VERSION
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@abstractmethod
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def format_message(
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self,
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event: dict[str, Any],
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context: NotificationFormatContext,
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) -> str:
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"""Return notification copy. The input event must not be mutated."""
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raise NotImplementedError
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class DefaultNotificationFormatter(NotificationFormatter):
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def format_message(
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self,
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event: dict[str, Any],
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context: NotificationFormatContext,
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) -> str:
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del context
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return str(event.get("message") or "")
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