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cowork-local/mcp_servers/project_context/tools/change_context.py
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2026-08-20 20:50:37 +07:00

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Python

"""Member C work package: get_project_change_context."""
# ruff: noqa: UP045 -- Optional keeps Pydantic model evaluation compatible with Python 3.9.
from __future__ import annotations
from typing import Any, Literal, Optional
from pydantic import Field
from ..foundation import ContractModel, SourceCitation, ToolTemplate
class ChangeContextInput(ContractModel):
project_id: str = Field(min_length=1, max_length=128)
change_id: str = Field(min_length=1, max_length=128)
detail: Literal["summary", "standard", "full"] = "standard"
cursor: Optional[str] = Field(default=None, max_length=2048)
class ChangeContextOutput(ContractModel):
correlation_id: str
project_id: str
change_id: str
change_type: Literal["commit", "pull-request", "merge-request"]
title: str
state: str
summary: str
authors: tuple[str, ...]
files: tuple[str, ...]
commits: tuple[str, ...]
related_issues: tuple[str, ...]
source: SourceCitation
truncated: bool
returned: int = Field(ge=0)
remaining: int = Field(ge=0)
next_cursor: Optional[str] = None
def _handle(arguments: ContractModel, provider: Any) -> dict[str, Any]:
request = ChangeContextInput.model_validate(arguments)
return provider.get_change_context(**request.model_dump())
TOOL = ToolTemplate(
name="get_project_change_context",
description=(
"Returns provider-neutral context for one authorized commit, pull request, or merge request "
"with changed files, commits, related issues, and a pinned source. Use when an exact change "
"identifier is known. Do not use for issue details or free-text document search."
),
input_model=ChangeContextInput,
output_model=ChangeContextOutput,
handler=_handle,
)